/* ============================================================
   2-canvas.css
   Bundle 2/5 — Canvas page styles
   Nguồn gốc: canvas.css + canvas-ai.css + canvas-theme.css
             + gallery-popup2.css + book-settings-panel.css
   Load trong App.razor sau 1-base.css.
   Tất cả styles scoped trong .canvas-app hoặc prefixed.
   ============================================================ */

/* ── Reset & base ─────────────────────────────────────────────────────── */
.canvas-app * {
    box-sizing: border-box;
}

.canvas-app {
    display: flex;
    height: 100vh;
    width: 100%;
    overflow: hidden;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 13px;
    background: #f0f0f0;
    color: #1a1a1a;
}

.canvas-container {
    border: none !important;
}
/* ── Sidebar ──────────────────────────────────────────────────────────── */
.sidebar {
    width: 0;
    overflow: hidden;
    background: #fff;
    border-right: 1px solid #e5e7eb;
    display: flex;
    flex-direction: column;
    transition: width 0.2s ease;
    flex-shrink: 0;
}

    .sidebar.open {
        width: 220px;
        overflow: visible !important;
    }

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 12px 10px;
    border-bottom: 1px solid #f0f0f0;
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 14px;
    color: #111;
}

.sidebar-section-label {
    padding: 10px 12px 4px;
    font-size: 11px;
    font-weight: 500;
    color: #9ca3af;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.doc-list {
    flex: 1;
    overflow-y: auto;
    padding: 4px 8px;
}

.doc-item {
    padding: 7px 10px;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    color: #374151;
    transition: background 0.1s;
    white-space: nowrap;
    overflow: hidden;
}

    .doc-item:hover {
        background: #f3f4f6;
    }

    .doc-item.active {
        background: #eff6ff;
        color: #2563eb;
        font-weight: 500;
    }

    /* Nút icon mặc định sẽ ẩn */
    .doc-item .icon-btn {
        opacity: 0;
        transition: opacity 0.2s ease-in-out;
        background: transparent;
        border: none;
        cursor: pointer;
        flex-shrink: 0; /* Đảm bảo nút không bị bóp méo khi tên quá dài */
    }

    /* Khi hover vào dòng (doc-item) thì hiện nút */
    .doc-item:hover .icon-btn {
        opacity: 1;
    }

.doc-name {
    overflow: hidden;
    text-overflow: ellipsis;
}

.doc-rename-input {
    border: 1px solid #3b82f6;
    border-radius: 4px;
    padding: 2px 6px;
    font-size: 13px;
    width: 100%;
    outline: none;
    background: #fff;
}

/* Đảm bảo phần tên chiếm hết không gian còn lại và xuống dòng nếu quá dài */
.doc-name, .doc-rename-input {
    flex-grow: 1;
    margin-right: 10px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sidebar-footer {
    padding: 12px;
    border-top: 1px solid #f0f0f0;
}

.user-chip {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 8px;
    border-radius: 8px;
    cursor: pointer;
}

    .user-chip:hover {
        background: #f3f4f6;
    }

.user-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: #6366f1;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
    flex-shrink: 0;
}

/* ── Main area ────────────────────────────────────────────────────────── */
.canvas-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

/* ── Topbar ───────────────────────────────────────────────────────────── */
.topbar {
    height: 44px;
    background: #fff;
    /*border-bottom: 1px solid #e5e7eb;*/
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 10px 0 8px;
    gap: 8px;
    flex-shrink: 0;
    z-index: 10;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 4px;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 6px;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    color: #374151;
}

.breadcrumb-doc {
    font-weight: 500;
    color: #6b7280;
}

.breadcrumb-sep {
    color: #d1d5db;
}

.breadcrumb-page {
    display: flex;
    align-items: center;
    gap: 3px;
    background: none;
    border: none;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    padding: 3px 6px;
    border-radius: 5px;
    color: #111;
    transition: background 0.1s;
}

    .breadcrumb-page:hover {
        background: #f3f4f6;
    }

/* ── Page menu ────────────────────────────────────────────────────────── */
.page-menu {
    position: absolute;
    top: 44px;
    left: 90px;
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 0px;
    box-shadow: 0 8px 24px rgba(0,0,0,.1);
    min-width: 180px;
    z-index: 100;
    padding: 6px 0;
    max-height: 60vh; /* thêm */
    display: flex; /* thêm */
    flex-direction: column; /* thêm */
}

.page-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 12px 6px;
    font-size: 11px;
    font-weight: 600;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    flex-shrink: 0; /* thêm */
    border-bottom: 1px solid #e5e7eb; /* thêm */
}

.page-menu-actions {
    display: flex;
    gap: 2px;
}

.page-menu-items {
    overflow-y: auto;
    flex: 1;
    min-height: 0;
}

.page-item {
    position: relative;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 12px;
    cursor: pointer;
    color: #374151;
    transition: background 0.1s;
}

    .page-item:hover {
        background: #f3f4f6;
    }

    .page-item.active {
        color: #2563eb;
        font-weight: 500;
    }

    .page-item .icon-btn {
        opacity: 0;
        transition: opacity 0.2s ease-in-out;
        background: transparent;
        border: none;
        cursor: pointer;
        flex-shrink: 0;
    }

    .page-item:hover .icon-btn {
        opacity: 1;
    }

/* Nhóm nội dung bên trái (Avatar + Tên hoặc Icon + Tên) */
.page-content, .user-info {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-grow: 1;
    overflow: hidden;
}

/* Ép tên không bị tràn làm đẩy nút ra ngoài */
.user-chip span {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex-grow: 1;
}

/* Container chứa mục Theme */
.has-submenu {
    position: relative; /* Gốc tọa độ cho sub-menu con */
}

/* Layout cho nội dung chính của mục Theme */
.menu-item-main {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

/* Định dạng khối Sub-menu */
.sub-menu {
    display: none; /* Mặc định ẩn */
    position: absolute;
    left: 100%; /* Đẩy sang phải hoàn toàn so với menu chính */
    top: 0; /* Căn lề trên bằng với lề trên của mục Theme */
    min-width: 120px;
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    padding: 4px 0;
    z-index: 1001;
    margin-left: 2px; /* Tạo khoảng hở nhỏ giữa 2 menu */
}

.sub-menu {
    /*left: auto;*/
    /*right: 100%;*/ /* Bung sang bên trái thay vì bên phải */
    margin-right: 2px;
}

/* HIỆU ỨNG HOVER: Khi di chuột vào cha thì hiện con */
.has-submenu:hover > .sub-menu {
    display: block;
}

/* Tạo "cầu nối" vô hình để khi di chuột qua khoảng hở 2px không bị mất hover */
.sub-menu::before {
    content: "";
    position: absolute;
    left: -10px;
    top: 0;
    width: 10px;
    height: 100%;
}

/* ── Workspace ────────────────────────────────────────────────────────── */
.canvas-workspace {
    flex: 1;
    position: relative;
    overflow: hidden;
    background: radial-gradient(circle, #d1d5db 1px, transparent 1px);
    background-size: 24px 24px;
    background-color: #f0f0f0;
    display: flex;
    align-items: center;
    justify-content: center;
}

    .canvas-workspace canvas {
        border-radius: 0px;
        box-shadow: 0 2px 16px rgba(0,0,0,.12);
    }

/* ── Bottom toolbar ───────────────────────────────────────────────────── */
.bottom-toolbar {
    position: absolute;
    bottom: 14px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 2px;
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    padding: 5px 8px;
    box-shadow: 0 4px 16px rgba(0,0,0,.1);
    z-index: 20;
}

.toolbar-left, .toolbar-center, .toolbar-right {
    display: flex;
    align-items: center;
    gap: 2px;
}

.toolbar-left {
    margin-right: 4px;
}

.toolbar-right {
    margin-left: 4px;
}

.toolbar-divider {
    width: 1px;
    height: 20px;
    background: #e5e7eb;
    margin: 0 4px;
}

.zoom-btn {
    background: none;
    border: none;
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
    color: #374151;
    cursor: pointer;
    transition: background 0.1s;
    min-width: 44px;
    text-align: center;
}

    .zoom-btn:hover {
        background: #f3f4f6;
    }

/* ── Right panel ──────────────────────────────────────────────────────── */
.right-panel {
    position: absolute;
    right: 12px;
    top: 56px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 20;
}

.panel-colors {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    padding: 6px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 4px;
    box-shadow: 0 2px 8px rgba(0,0,0,.08);
}

.color-dot {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid transparent;
    cursor: pointer;
    transition: transform 0.1s, border-color 0.1s;
    padding: 0;
}

    .color-dot:hover {
        transform: scale(1.15);
    }

    .color-dot.active {
        border-color: #3b82f6;
        transform: scale(1.1);
    }

    .color-dot[style*="#ffffff"] {
        border-color: #d1d5db;
    }

.panel-size {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    padding: 10px 6px;
    display: flex;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0,0,0,.08);
}

/* SAU */
.size-slider {
    writing-mode: vertical-lr;
    direction: rtl;
    width: 22px;
    height: 80px;
    cursor: pointer;
    accent-color: #3b82f6;
}

.panel-shapes {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    padding: 6px;
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 3px;
    box-shadow: 0 2px 8px rgba(0,0,0,.08);
}

.shape-btn {
    width: 26px;
    height: 26px;
    background: none;
    border: 1px solid #e5e7eb;
    border-radius: 5px;
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.1s;
}

    .shape-btn:hover {
        background: #f3f4f6;
    }

.panel-size-labels {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    padding: 5px;
    display: flex;
    flex-direction: column;
    gap: 2px;
    box-shadow: 0 2px 8px rgba(0,0,0,.08);
}

.size-label {
    background: none;
    border: none;
    padding: 3px 6px;
    border-radius: 5px;
    font-size: 12px;
    font-weight: 600;
    color: #6b7280;
    cursor: pointer;
    transition: background 0.1s;
    text-align: center;
}

    .size-label:hover {
        background: #f3f4f6;
        color: #111;
    }

    .size-label.active {
        background: #eff6ff;
        color: #2563eb;
    }

/* ── Shared button styles ─────────────────────────────────────────────── */
.icon-btn {
    width: 30px;
    height: 30px;
    background: none;
    border: none;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: #6b7280;
    transition: background 0.1s, color 0.1s;
    padding: 0;
    flex-shrink: 0;
}

    .icon-btn:hover {
        background: #f3f4f6;
        color: #111;
    }

    .icon-btn.sm {
        width: 24px;
        height: 24px;
        border-radius: 4px;
    }

.tool-btn {
    width: 30px;
    height: 30px;
    background: none;
    border: none;
    border-radius: 7px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: #6b7280;
    transition: background 0.1s, color 0.1s;
    padding: 0;
}

    .tool-btn:hover {
        background: #f3f4f6;
        color: #111;
    }

    .tool-btn.active {
        background: #2563eb;
        color: #fff;
    }

.btn-outline {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 5px 12px;
    border-radius: 7px;
    border: 1px solid #e5e7eb;
    background: #fff;
    font-size: 12px;
    font-weight: 500;
    color: #374151;
    cursor: pointer;
    transition: background 0.1s;
}

    .btn-outline:hover {
        background: #f3f4f6;
    }

.btn-primary {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 5px 14px;
    border-radius: 7px;
    border: none;
    background: #2563eb;
    font-size: 12px;
    font-weight: 500;
    color: #fff;
    cursor: pointer;
    transition: background 0.1s;
}

    .btn-primary:hover {
        background: #1d4ed8;
    }

/* Thẻ bao ngoài của Menu */
.menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 999;
    background: transparent; /* Hoặc rgba(0,0,0,0.01) để debug */
}

.custom-menu {
    position: absolute;
    /*top: 100%; */ /* Hiển thị ngay dưới nút bấm */
    /* right: 0;*/ /* Căn lề phải bằng với lề phải của nút bấm */
    z-index: 1000;
    min-width: 160px;
    max-width: 160px;
    background-color: #ffffff;
    border-radius: 8px;
    /*box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15); */ /* Đổ bóng nhẹ như hình */
    box-shadow: 0 10px 25px rgba(0,0,0,0.2); /* Đổ bóng đậm hơn để nổi bật */
    padding: 4px 0;
    border: 1px solid #eee;
    /* Loại bỏ transition nếu dùng tọa độ chuột để tránh menu "chạy" theo */
}
/* Từng dòng trong menu */
.menu-item {
    padding: 10px 16px;
    font-size: 14px;
    color: #333;
    cursor: pointer;
    display: flex;
    align-items: center;
    transition: background 0.2s;
}

    .menu-item:hover {
        background-color: #f5f5f5; /* Màu nền khi hover vào option */
    }

    /* Màu riêng cho nút Delete */
    .menu-item.delete {
        color: #d32f2f;
    }

/* Đường kẻ ngang chia tách (giữa Pin và Delete) */
.menu-divider {
    height: 1px;
    background-color: #eee;
    margin: 4px 0;
}
/* Giữ highlight nền và hiện nút icon khi đang mở Menu */
.page-item.menu-open, .doc-item.menu-open {
    background-color: #f0f0f0; /* Màu nền highlight khi mở menu */
    color: #000;
}

    /* Quan trọng: Giữ cho nút ba chấm luôn hiện khi menu đang mở */
    .page-item.menu-open .icon-btn, .doc-item.menu-open .icon-btn {
        opacity: 1;
        color: #333;
    }

/* Nếu bạn muốn dòng đang Active và dòng đang mở Menu có màu khác nhau một chút */
.page-item.active.menu-open, .doc-item.active.menu-open {
    background-color: #e8f0fe;
    color: #1a73e8;
}

.user-menu-popup {
    position: absolute;
    /* Cách đáy của user-chip khoảng 50px để nó nằm lơ lửng bên trên */
    bottom: calc(100% + 10px);
    right: 0;
    min-width: 160px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.15);
    z-index: 999; /* Cao hơn overlay */
    padding: 6px 0;
    /* Chống bị cắt bởi các thẻ cha khác nếu có overflow: hidden */
    /* Lưu ý: Nếu sidebar-footer có overflow: hidden, absolute vẫn sẽ bị cắt */
}

/* Thêm hiệu ứng xuất hiện cho chuyên nghiệp */
.user-menu-popup {
    animation: popupSlideUp 0.15s ease-out;
}

.more-tools-menu {
    position: absolute;
    bottom: 42px; /* Điều chỉnh tùy theo vị trí toolbar */
    /*left: 50%;*/
    right: 0;
    /*transform: translateX(-50%);*/
    background: #ffffff; /* Nền trắng */
    border: 1px solid #e0e0e0;
    border-radius: 10px;
    padding: 6px;
    display: flex;
    flex-direction: column;
    min-width: 140px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1); /* Đổ bóng nhẹ nhàng */
    z-index: 1000;
}

.tool-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 12px;
    background: transparent;
    border: none;
    color: #333333; /* Chữ tối */
    cursor: pointer;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    transition: background 0.2s ease;
}

    /* Hiệu ứng khi hover vào item */
    .tool-item:hover {
        background: #f0f2f5;
        color: #000;
    }

    .tool-item span {
        flex-grow: 1;
        text-align: left;
    }
/* Đường kẻ ngăn cách các nhóm tool */
.menu-divider {
    height: 1px;
    background: #eeeeee;
    margin: 4px 8px;
}

.more-tools-menu-d {
    position: absolute;
    bottom: 50px; /* Cách toolbar một khoảng */
    left: 50%;
    transform: translateX(-50%);
    background: #2c2c2c; /* Màu tối cho đồng bộ */
    border: 1px solid #444;
    border-radius: 8px;
    padding: 8px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    z-index: 100;
}

.tool-item-d {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    background: transparent;
    border: none;
    color: white;
    cursor: pointer;
    border-radius: 4px;
    font-size: 13px;
    white-space: nowrap;
}

    .tool-item-d:hover {
        background: rgba(255, 255, 255, 0.1);
    }
/* ── Scrollbar ────────────────────────────────────────────────────────── */
.doc-list::-webkit-scrollbar {
    width: 4px;
}

.doc-list::-webkit-scrollbar-thumb {
    background: #d1d5db;
    border-radius: 4px;
}

/* ── Sidebar collapse button ── */
.sidebar-collapse-btn {
    display: none; /* ẩn trên desktop */
    width: 26px;
    height: 26px;
    border: none;
    background: none;
    border-radius: 6px;
    cursor: pointer;
    color: #6b7280;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background 0.1s, color 0.1s;
    margin-left: auto;
}

    .sidebar-collapse-btn:hover {
        background: #f3f4f6;
        color: #111;
    }

@media (max-width: 768px) {
    .sidebar-collapse-btn {
        display: flex; /* chỉ hiện khi sidebar là overlay */
    }
}

/* ══════════════════════════════════════════════════════════
   canvas-ai.css — Generate modal, gallery popup, AI components
══════════════════════════════════════════════════════════ */

/* ── Generate Modal ─────────────────────────────────────────────── */

.gen-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.gen-modal {
    background: var(--bg-primary, #ffffff);
    border: 1px solid var(--border, #e5e7eb);
    border-radius: 12px;
    width: 100%;
    max-width: 540px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0,0,0,0.2);
}

.gen-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px 12px;
    border-bottom: 1px solid var(--border, #e5e7eb);
}

.gen-modal-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary, #111827);
}

.gen-close-btn {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: var(--text-secondary, #6b7280);
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    transition: background 0.15s;
}
.gen-close-btn:hover { background: var(--bg-hover, #f3f4f6); }
.gen-close-btn:disabled { opacity: 0.4; cursor: not-allowed; }

.gen-step { padding: 16px 20px 20px; display: flex; flex-direction: column; gap: 14px; }

.gen-label {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary, #6b7280);
    display: block;
    margin-bottom: 6px;
}

/* Quality bars */
.gen-quality-section { display: flex; flex-direction: column; gap: 6px; }
.gen-quality-header { display: flex; align-items: center; justify-content: space-between; }
.gen-quality-badge {
    font-size: 11px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 999px;
}
.gen-quality-badge.good { background: #dcfce7; color: #15803d; }
.gen-quality-badge.warn { background: #fef9c3; color: #854d0e; }

.gen-quality-bars { display: flex; flex-direction: column; gap: 6px; }
.gen-quality-bar-row {
    display: grid;
    grid-template-columns: 60px 1fr 80px;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--text-secondary, #6b7280);
}
.gen-bar-track {
    height: 6px;
    background: var(--bg-secondary, #f3f4f6);
    border-radius: 999px;
    overflow: hidden;
}
.gen-bar-fill {
    height: 100%;
    border-radius: 999px;
    transition: width 0.3s ease;
}
.gen-bar-fill.ok { background: #22c55e; }
.gen-bar-fill.low { background: #f59e0b; }
.gen-bar-value { font-size: 11px; text-align: right; }
.gen-quality-hint {
    font-size: 12px;
    color: #b45309;
    background: #fef9c3;
    padding: 6px 10px;
    border-radius: 6px;
}

/* Preview */
.gen-preview-section { display: flex; flex-direction: column; }
.gen-preview-img-wrap {
    border: 1px solid var(--border, #e5e7eb);
    border-radius: 8px;
    overflow: hidden;
    max-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f9fafb;
}
.gen-preview-img {
    max-width: 100%;
    max-height: 200px;
    object-fit: contain;
}

/* Textarea */
.gen-textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border, #e5e7eb);
    border-radius: 8px;
    font-size: 13px;
    resize: none;
    color: var(--text-primary, #111827);
    background: var(--bg-primary, #ffffff);
    transition: border-color 0.15s;
    box-sizing: border-box;
}
.gen-textarea:focus { outline: none; border-color: #6366f1; }

/* Model cards */
.gen-model-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.gen-model-card {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border: 1.5px solid var(--border, #e5e7eb);
    border-radius: 8px;
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
}
.gen-model-card:hover { border-color: #a5b4fc; background: #eef2ff; }
.gen-model-card.selected { border-color: #6366f1; background: #eef2ff; }

.gen-model-icon {
    width: 30px;
    height: 30px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.gen-model-icon.openai { background: #000; color: #fff; }
.gen-model-icon.gemini { background: linear-gradient(135deg, #4285F4, #0F9D58); color: #fff; }

.gen-model-info { display: flex; flex-direction: column; gap: 2px; }
.gen-model-name { font-size: 13px; font-weight: 600; color: var(--text-primary, #111827); }
.gen-model-desc { font-size: 11px; color: var(--text-secondary, #6b7280); }

/* Action buttons */
.gen-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 4px; }

.gen-btn-cancel {
    padding: 8px 16px;
    border: 1px solid var(--border, #e5e7eb);
    border-radius: 7px;
    background: none;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary, #6b7280);
    transition: background 0.15s;
}
.gen-btn-cancel:hover { background: var(--bg-hover, #f3f4f6); }

.gen-btn-generate {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 20px;
    background: #6366f1;
    color: #fff;
    border: none;
    border-radius: 7px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    transition: background 0.15s, opacity 0.15s;
}
.gen-btn-generate:hover:not(:disabled) { background: #4f46e5; }
.gen-btn-generate:disabled { opacity: 0.4; cursor: not-allowed; }

/* Loading step */
.gen-loading-step { align-items: center; text-align: center; padding: 32px 20px; }
.gen-spinner-wrap { display: flex; flex-direction: column; align-items: center; gap: 12px; }
.gen-spinner {
    width: 40px; height: 40px;
    border: 3px solid var(--bg-secondary, #f3f4f6);
    border-top-color: #6366f1;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
.gen-spinner.sm { width: 20px; height: 20px; border-width: 2px; }
@keyframes spin { to { transform: rotate(360deg); } }

.gen-loading-text { font-size: 14px; font-weight: 600; color: var(--text-primary, #111827); }
.gen-loading-sub { font-size: 12px; color: var(--text-secondary, #6b7280); }

.gen-preview-small {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 16px;
}
.gen-preview-small img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid var(--border, #e5e7eb);
}
.gen-result-placeholder {
    width: 80px;
    height: 80px;
    border-radius: 8px;
    border: 2px dashed #6366f1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #eef2ff;
}

/* Result step */
.gen-result-step { gap: 14px; }
.gen-result-header { display: flex; align-items: center; }
.gen-result-success, .gen-result-error {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
}
.gen-result-success { color: #15803d; }
.gen-result-error { color: #dc2626; }

.gen-compare {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}
.gen-compare-item { display: flex; flex-direction: column; gap: 6px; flex: 1; }
.gen-compare-label { font-size: 11px; font-weight: 600; color: var(--text-secondary, #6b7280); text-align: center; }
.gen-compare-img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: contain;
    border-radius: 8px;
    border: 1px solid var(--border, #e5e7eb);
    background: #f9fafb;
}
.gen-compare-arrow { align-self: center; flex-shrink: 0; }

.gen-result-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.gen-btn-download {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: #6366f1;
    color: #fff;
    text-decoration: none;
    border-radius: 7px;
    font-size: 13px;
    font-weight: 600;
    transition: background 0.15s;
}
.gen-btn-download:hover { background: #4f46e5; }
.gen-btn-download.sm { padding: 6px 12px; font-size: 12px; }

.gen-btn-regenerate {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: none;
    border: 1px solid var(--border, #e5e7eb);
    border-radius: 7px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary, #111827);
    transition: background 0.15s;
}
.gen-btn-regenerate:hover { background: var(--bg-hover, #f3f4f6); }

.gen-btn-delete {
    padding: 6px 12px;
    background: none;
    border: 1px solid #fca5a5;
    border-radius: 7px;
    cursor: pointer;
    font-size: 12px;
    color: #dc2626;
    transition: background 0.15s;
}
.gen-btn-delete:hover { background: #fee2e2; }

.gen-error-detail {
    font-size: 12px;
    color: #dc2626;
    background: #fee2e2;
    padding: 8px 12px;
    border-radius: 6px;
    word-break: break-all;
}

/* ── Gallery FAB & Popup ─────────────────────────────────────────── */

.gallery-fab-wrap {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 500;
}

.gallery-fab {
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 10px 16px;
    background: var(--bg-primary, #ffffff);
    border: 1.5px solid var(--border, #e5e7eb);
    border-radius: 999px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary, #111827);
    box-shadow: 0 4px 16px rgba(0,0,0,0.12);
    transition: box-shadow 0.15s, border-color 0.15s;
    position: relative;
}
.gallery-fab:hover { box-shadow: 0 6px 24px rgba(0,0,0,0.18); border-color: #6366f1; }
.gallery-fab.has-new { border-color: #6366f1; background: #eef2ff; }
.gallery-fab-label { color: var(--text-primary, #111827); }
.gallery-fab-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    width: 10px;
    height: 10px;
    background: #6366f1;
    border-radius: 50%;
    border: 2px solid var(--bg-primary, #fff);
}

.gallery-popup-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.3);
    z-index: 600;
    display: flex;
    align-items: flex-end;
    justify-content: flex-end;
    padding: 80px 24px 24px;
}

.gallery-popup {
    background: var(--bg-primary, #ffffff);
    border: 1px solid var(--border, #e5e7eb);
    border-radius: 12px;
    width: 520px;
    max-width: 100%;
    max-height: 75vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 60px rgba(0,0,0,0.2);
    overflow: hidden;
}

.gallery-popup-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px 12px;
    border-bottom: 1px solid var(--border, #e5e7eb);
    flex-shrink: 0;
}
.gallery-popup-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary, #111827);
}
.gallery-count {
    font-size: 11px;
    background: var(--bg-secondary, #f3f4f6);
    color: var(--text-secondary, #6b7280);
    padding: 1px 7px;
    border-radius: 999px;
}
.gallery-close-btn {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: var(--text-secondary, #6b7280);
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
}
.gallery-close-btn.sm { font-size: 16px; width: 22px; height: 22px; }
.gallery-close-btn:hover { background: var(--bg-hover, #f3f4f6); }

/* Cost bar (admin) */
.gallery-cost-bar {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--border, #e5e7eb);
    flex-shrink: 0;
}
.gallery-cost-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 8px 4px;
    border-right: 1px solid var(--border, #e5e7eb);
}
.gallery-cost-item:last-child { border-right: none; }
.gallery-cost-label { font-size: 10px; color: var(--text-secondary, #6b7280); text-transform: uppercase; letter-spacing: 0.04em; }
.gallery-cost-value { font-size: 13px; font-weight: 700; color: #6366f1; margin-top: 1px; }

/* Filter bar */
.gallery-filter-bar {
    display: flex;
    gap: 6px;
    padding: 10px 12px;
    border-bottom: 1px solid var(--border, #e5e7eb);
    flex-shrink: 0;
}
.gallery-search {
    flex: 1;
    padding: 6px 10px;
    border: 1px solid var(--border, #e5e7eb);
    border-radius: 6px;
    font-size: 12px;
    background: var(--bg-primary, #fff);
    color: var(--text-primary, #111827);
}
.gallery-search:focus { outline: none; border-color: #6366f1; }
.gallery-filter-select {
    padding: 6px 8px;
    border: 1px solid var(--border, #e5e7eb);
    border-radius: 6px;
    font-size: 12px;
    background: var(--bg-primary, #fff);
    color: var(--text-primary, #111827);
    cursor: pointer;
}
.gallery-refresh-btn {
    padding: 6px 8px;
    border: 1px solid var(--border, #e5e7eb);
    border-radius: 6px;
    background: none;
    cursor: pointer;
    color: var(--text-secondary, #6b7280);
    transition: background 0.15s;
}
.gallery-refresh-btn:hover { background: var(--bg-hover, #f3f4f6); }

/* Grid */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    padding: 12px;
    overflow-y: auto;
    flex: 1;
    min-height: 180px;
}

.gallery-card {
    border: 1.5px solid var(--border, #e5e7eb);
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    transition: border-color 0.15s, box-shadow 0.15s;
    position: relative;
    display: flex;
    flex-direction: column;
}
.gallery-card:hover { border-color: #a5b4fc; box-shadow: 0 2px 8px rgba(99,102,241,0.15); }
.gallery-card.selected { border-color: #6366f1; box-shadow: 0 2px 12px rgba(99,102,241,0.25); }
.gallery-card.skeleton { background: var(--bg-secondary, #f3f4f6); min-height: 120px; animation: pulse 1.2s infinite; }
@keyframes pulse { 0%,100% { opacity:1; } 50% { opacity:0.5; } }

.gallery-card-status {
    position: absolute;
    top: 4px;
    right: 4px;
    font-size: 10px;
    font-weight: 700;
    padding: 2px 5px;
    border-radius: 4px;
    z-index: 1;
}
.gallery-card-status.completed { background: #dcfce7; color: #15803d; }
.gallery-card-status.failed { background: #fee2e2; color: #dc2626; }
.gallery-card-status.processing { background: #e0e7ff; color: #3730a3; }
.gallery-card-status.pending { background: #fef9c3; color: #854d0e; }

.gallery-card-img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    display: block;
    background: #f9fafb;
}
.gallery-card-img.placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary, #f3f4f6);
}

.gallery-card-info { padding: 6px 8px; }
.gallery-card-prompt {
    font-size: 11px;
    color: var(--text-primary, #111827);
    display: block;
    line-height: 1.3;
    margin-bottom: 3px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.gallery-card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.gallery-card-model {
    font-size: 10px;
    background: #e0e7ff;
    color: #3730a3;
    padding: 1px 5px;
    border-radius: 4px;
}
.gallery-card-date { font-size: 10px; color: var(--text-secondary, #6b7280); }
.gallery-card-admin-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 3px;
}
.gallery-card-user { font-size: 10px; color: var(--text-secondary, #6b7280); }
.gallery-card-cost { font-size: 10px; font-weight: 600; color: #6366f1; }

/* Empty state */
.gallery-empty {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 32px 16px;
    color: var(--text-secondary, #6b7280);
    font-size: 13px;
    font-weight: 500;
}
.gallery-empty-sub { font-size: 11px; font-weight: 400; }

/* Detail panel */
.gallery-detail-panel {
    border-top: 1px solid var(--border, #e5e7eb);
    padding: 12px;
    flex-shrink: 0;
    max-height: 280px;
    overflow-y: auto;
}
.gallery-detail-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-primary, #111827);
}
.gallery-detail-compare {
    display: flex;
    gap: 8px;
    margin-bottom: 10px;
}
.gallery-detail-col {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.gallery-detail-col img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: contain;
    border-radius: 6px;
    border: 1px solid var(--border, #e5e7eb);
    background: #f9fafb;
}
.gallery-detail-meta { display: flex; flex-direction: column; gap: 4px; margin-bottom: 10px; padding: 10px; }
.gallery-detail-row {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    padding: 3px 0;
    border-bottom: 1px solid var(--border, #f3f4f6);
    gap: 8px;
}
.gallery-detail-row span:first-child { flex-shrink: 0; }
.gallery-detail-row span:last-child { text-align: right; word-break: break-all; }
.gallery-detail-row.highlight span:last-child { color: #6366f1; font-weight: 700; }
.gallery-detail-row.error span:last-child { color: #dc2626; }

.gallery-detail-actions { display: flex; gap: 8px; flex-wrap: wrap; }


/* Provider tabs */
.gen-provider-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 8px;
    background: var(--bg-secondary, #f3f4f6);
    padding: 3px;
    border-radius: 8px;
}

.gen-provider-tab {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 6px 10px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary, #6b7280);
    background: transparent;
    transition: background 0.15s, color 0.15s;
}

    .gen-provider-tab.active {
        background: var(--bg-primary, #ffffff);
        color: var(--text-primary, #111827);
        box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    }

/* Model list rows */
.gen-model-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 8px;
}

.gen-model-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    border: 1.5px solid var(--border, #e5e7eb);
    border-radius: 8px;
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
    gap: 8px;
}

    .gen-model-row:hover {
        border-color: #a5b4fc;
        background: #f5f3ff;
    }

    .gen-model-row.selected {
        border-color: #6366f1;
        background: #eef2ff;
    }

.gen-model-row-left {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    flex: 1;
    min-width: 0;
}

.gen-model-radio {
    width: 16px;
    height: 16px;
    border: 2px solid var(--border, #d1d5db);
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color 0.15s;
}

.gen-model-row.selected .gen-model-radio {
    border-color: #6366f1;
}

.gen-model-radio-dot {
    width: 8px;
    height: 8px;
    background: #6366f1;
    border-radius: 50%;
}

.gen-model-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.gen-model-name-row {
    display: flex;
    align-items: center;
    gap: 5px;
    flex-wrap: wrap;
}

.gen-model-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary, #111827);
}

.gen-model-desc {
    font-size: 11px;
    color: var(--text-secondary, #6b7280);
    line-height: 1.3;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.gen-model-price {
    font-size: 11px;
    font-weight: 600;
    color: #6366f1;
    flex-shrink: 0;
    white-space: nowrap;
}

/* Tags */
.gen-tag {
    font-size: 10px;
    font-weight: 600;
    padding: 1px 6px;
    border-radius: 4px;
    white-space: nowrap;
}

    .gen-tag.best {
        background: #fef3c7;
        color: #92400e;
    }

    .gen-tag.fast {
        background: #d1fae5;
        color: #065f46;
    }

    .gen-tag.legacy {
        background: #f3f4f6;
        color: #6b7280;
    }

/* Quality picker */
.gen-quality-picker {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 10px 12px;
    background: var(--bg-secondary, #f9fafb);
    border: 1px solid var(--border, #e5e7eb);
    border-radius: 8px;
    margin-bottom: 2px;
}

.gen-sublabel {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary, #6b7280);
}

.gen-quality-options {
    display: flex;
    gap: 6px;
}

.gen-quality-option {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 7px 6px;
    border: 1.5px solid var(--border, #e5e7eb);
    border-radius: 7px;
    cursor: pointer;
    background: var(--bg-primary, #fff);
    transition: border-color 0.15s, background 0.15s;
}

    .gen-quality-option:hover {
        border-color: #a5b4fc;
        background: #f5f3ff;
    }

    .gen-quality-option.selected {
        border-color: #6366f1;
        background: #eef2ff;
    }

.gen-quality-name {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-primary, #111827);
}

.gen-quality-price {
    font-size: 10px;
    color: #6366f1;
    font-weight: 600;
}

/* Cost hint */
.gen-cost-hint {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 12px;
    color: var(--text-secondary, #6b7280);
    background: var(--bg-secondary, #f9fafb);
    padding: 7px 10px;
    border-radius: 6px;
    border: 1px solid var(--border, #e5e7eb);
}

    .gen-cost-hint strong {
        color: #6366f1;
    }

    .gen-cost-hint.success {
        background: #f0fdf4;
        border-color: #bbf7d0;
        color: #15803d;
    }

        .gen-cost-hint.success strong {
            color: #15803d;
        }

/*CSS cho mock badge*/
.gen-mock-badge {
    display: flex;
    flex-direction: column;
    gap: 3px;
    padding: 8px 12px;
    background: #fef9c3;
    border: 1.5px solid #fde047;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    color: #713f12;
}

.gen-mock-hint {
    font-size: 11px;
    color: #92400e;
    font-weight: 400;
}

    .gen-mock-hint code {
        background: #fef08a;
        padding: 1px 4px;
        border-radius: 3px;
        font-family: monospace;
        font-size: 10px;
    }

.gallery-card-model.mock {
    background: #fef9c3;
    color: #713f12;
}

.canvas-workspace.drag-over {
    outline: 3px dashed #6366f1;
    outline-offset: -3px;
    background: rgba(99, 102, 241, 0.04);
}

    .canvas-workspace.drag-over::after {
        content: '📋 Drop image here';
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        background: rgba(99, 102, 241, 0.9);
        color: white;
        padding: 12px 24px;
        border-radius: 10px;
        font-size: 15px;
        font-weight: 600;
        pointer-events: none;
        z-index: 100;
        white-space: nowrap;
    }

/* ══════════════════════════════════════════════════════════
   canvas-theme.css — CSS variables + dark overrides cho .canvas-app
══════════════════════════════════════════════════════════ */


/* ══════════════════════════════════════════════════════════
   CSS VARIABLES — Light default
══════════════════════════════════════════════════════════ */
.canvas-app {
    --c-bg: #ffffff;
    --c-bg2: #f9fafb;
    --c-bg3: #f3f4f6;
    --c-bg-hover: #f3f4f6;
    --c-bg-active: #eff6ff;
    --c-border: #e5e7eb;
    --c-border-light: #f0f0f0;
    --c-text: #1a1a1a;
    --c-text2: #374151;
    --c-text3: #6b7280;
    --c-text4: #9ca3af;
    --c-accent: #2563eb;
    --c-accent-bg: #eff6ff;
    --c-workspace-bg: #f0f0f0;
    --c-workspace-dot: #d1d5db;
    --c-shadow-md: rgba(0,0,0,.12);
    --c-menu-bg: #ffffff;
    --c-scroll-thumb: #d1d5db;
    /* Forward cho canvas-ai.css / ai-components.css */
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-hover: #f3f4f6;
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --border: #e5e7eb;
}

/* ══════════════════════════════════════════════════════════
   CSS VARIABLES — Dark
   html[data-theme="dark"] set bởi window.setTheme()
══════════════════════════════════════════════════════════ */
html[data-theme="dark"] .canvas-app {
    --c-bg: #1f2937;
    --c-bg2: #111827;
    --c-bg3: #374151;
    --c-bg-hover: #374151;
    --c-bg-active: #1e3a5f;
    --c-border: #374151;
    --c-border-light: #2d3748;
    --c-text: #f9fafb;
    --c-text2: #e5e7eb;
    --c-text3: #9ca3af;
    --c-text4: #6b7280;
    --c-accent: #3b82f6;
    --c-accent-bg: #1e3a5f;
    --c-workspace-bg: #111827;
    --c-workspace-dot: #374151;
    --c-shadow-md: rgba(0,0,0,.40);
    --c-menu-bg: #1f2937;
    --c-scroll-thumb: #4b5563;
    --bg-primary: #1f2937;
    --bg-secondary: #111827;
    --bg-hover: #374151;
    --text-primary: #f9fafb;
    --text-secondary: #9ca3af;
    --border: #374151;
    color-scheme: dark;
}

/* Dark variant — thêm class iv-dark vào overlay */
html[data-theme="dark"] .iv-overlay {
    --iv-overlay-bg: rgba(8, 8, 10, 0.92);
    --iv-toolbar-bg: rgba(18, 18, 22, 0.95);
    --iv-toolbar-border: rgba(255,255,255,.1);
    --iv-toolbar-shadow: none;
    --iv-title-color: rgba(255,255,255,.88);
    --iv-muted-color: rgba(255,255,255,.45);
    --iv-counter-bg: rgba(255,255,255,.08);
    --iv-zoom-bg: rgba(255,255,255,.07);
    --iv-zoom-border: rgba(255,255,255,.12);
    --iv-btn-hover-bg: rgba(255,255,255,.12);
    --iv-btn-color: rgba(255,255,255,.55);
    --iv-btn-hover-color: #ffffff;
    --iv-divider: rgba(255,255,255,.12);
    --iv-stage-bg: #1a1a1e;
    --iv-checker-color: #232328;
    --iv-img-shadow: 0 8px 40px rgba(0,0,0,.6), 0 2px 8px rgba(0,0,0,.4);
    --iv-spinner-track: rgba(255,255,255,.1);
    --iv-spinner-top: rgba(255,255,255,.7);
    --iv-nav-bg: rgba(30,30,36,.85);
    --iv-nav-border: rgba(255,255,255,.15);
    --iv-nav-color: rgba(255,255,255,.7);
    --iv-nav-shadow: 0 2px 12px rgba(0,0,0,.4);
    --iv-thumbs-bg: rgba(18,18,22,.95);
    --iv-thumbs-border: rgba(255,255,255,.08);
    --iv-thumb-bg: rgba(255,255,255,.06);
    --iv-hint-bg: rgba(20,20,26,.9);
    --iv-hint-border: rgba(255,255,255,.1);
    --iv-hint-color: rgba(255,255,255,.45);
    --iv-hint-dot: rgba(255,255,255,.2);
    --iv-hint-shadow: 0 2px 12px rgba(0,0,0,.3);
    --iv-accent: #818cf8;
}

    /* ══════════════════════════════════════════════════════════
   DARK OVERRIDES — canvas.css hardcoded colors
══════════════════════════════════════════════════════════ */

    /* Sidebar */
    html[data-theme="dark"] .canvas-app .sidebar {
        background: var(--c-bg);
        border-color: var(--c-border);
    }

    html[data-theme="dark"] .canvas-app .sidebar-header {
        border-color: var(--c-border-light);
    }

    html[data-theme="dark"] .canvas-app .sidebar-logo, .canvas-app .user-info {
        color: var(--c-text);
    }

    html[data-theme="dark"] .canvas-app .sidebar-section-label {
        color: var(--c-text4);
    }

    html[data-theme="dark"] .canvas-app .sidebar-footer {
        border-color: var(--c-border-light);
    }

    html[data-theme="dark"] .canvas-app .user-chip:hover {
        background: var(--c-bg-hover);
    }

    /* Doc list */
    html[data-theme="dark"] .canvas-app .doc-item {
        color: var(--c-text2);
    }

        html[data-theme="dark"] .canvas-app .doc-item:hover {
            background: var(--c-bg-hover);
        }

        html[data-theme="dark"] .canvas-app .doc-item.active {
            background: var(--c-bg-active);
            color: var(--c-accent);
        }

        html[data-theme="dark"] .canvas-app .doc-item.menu-open {
            background: var(--c-bg3);
            color: var(--c-text);
        }

        html[data-theme="dark"] .canvas-app .doc-item.active.menu-open {
            background: var(--c-bg-active);
            color: var(--c-accent);
        }

    html[data-theme="dark"] .canvas-app .doc-rename-input {
        background: var(--c-bg2);
        color: var(--c-text);
        border-color: var(--c-accent);
    }

    /* Topbar */
    html[data-theme="dark"] .canvas-app .topbar {
        background: var(--c-bg);
    }

    html[data-theme="dark"] .canvas-app .breadcrumb {
        color: var(--c-text2);
    }

    html[data-theme="dark"] .canvas-app .breadcrumb-doc {
        color: var(--c-text3);
    }

    html[data-theme="dark"] .canvas-app .breadcrumb-sep {
        color: var(--c-border);
    }

    html[data-theme="dark"] .canvas-app .breadcrumb-page {
        color: var(--c-text);
    }

        html[data-theme="dark"] .canvas-app .breadcrumb-page:hover {
            background: var(--c-bg-hover);
        }

    /* Page menu */
    html[data-theme="dark"] .canvas-app .page-menu {
        background: var(--c-menu-bg);
        border-color: var(--c-border);
    }

    html[data-theme="dark"] .canvas-app .page-menu-header {
        color: var(--c-text3);
    }

    html[data-theme="dark"] .canvas-app .page-item {
        color: var(--c-text2);
    }

        html[data-theme="dark"] .canvas-app .page-item:hover {
            background: var(--c-bg-hover);
        }

        html[data-theme="dark"] .canvas-app .page-item.active {
            color: var(--c-accent);
        }

        html[data-theme="dark"] .canvas-app .page-item.menu-open {
            background: var(--c-bg3);
            color: var(--c-text);
        }

    /* Workspace */
    html[data-theme="dark"] .canvas-app .canvas-workspace {
        background-color: var(--c-workspace-bg);
        background-image: radial-gradient(circle, var(--c-workspace-dot) 1px, transparent 1px);
    }

    /* Bottom toolbar */
    html[data-theme="dark"] .canvas-app .bottom-toolbar {
        background: var(--c-bg);
        border-color: var(--c-border);
    }

    html[data-theme="dark"] .canvas-app .toolbar-divider {
        background: var(--c-border);
    }

    html[data-theme="dark"] .canvas-app .zoom-btn {
        color: var(--c-text2);
    }

        html[data-theme="dark"] .canvas-app .zoom-btn:hover {
            background: var(--c-bg-hover);
        }

    /* Right panel */
    html[data-theme="dark"] .canvas-app .panel-colors,
    html[data-theme="dark"] .canvas-app .panel-shapes,
    html[data-theme="dark"] .canvas-app .panel-size-labels,
    html[data-theme="dark"] .canvas-app .panel-size {
        background: var(--c-bg);
        border-color: var(--c-border);
    }

    html[data-theme="dark"] .canvas-app .shape-btn {
        border-color: var(--c-border);
    }

        html[data-theme="dark"] .canvas-app .shape-btn:hover {
            background: var(--c-bg-hover);
        }

    html[data-theme="dark"] .canvas-app .size-label {
        color: var(--c-text3);
    }

        html[data-theme="dark"] .canvas-app .size-label:hover {
            background: var(--c-bg-hover);
            color: var(--c-text);
        }

        html[data-theme="dark"] .canvas-app .size-label.active {
            background: var(--c-bg-active);
            color: var(--c-accent);
        }

    /* Buttons */
    html[data-theme="dark"] .canvas-app .icon-btn {
        color: var(--c-text3);
    }

        html[data-theme="dark"] .canvas-app .icon-btn:hover {
            background: var(--c-bg-hover);
            color: var(--c-text);
        }

    html[data-theme="dark"] .canvas-app .tool-btn {
        color: var(--c-text3);
    }

        html[data-theme="dark"] .canvas-app .tool-btn:hover {
            background: var(--c-bg-hover);
            color: var(--c-text);
        }

        html[data-theme="dark"] .canvas-app .tool-btn.active {
            background: var(--c-accent);
            color: #fff;
        }

    html[data-theme="dark"] .canvas-app .btn-outline {
        background: var(--c-bg);
        border-color: var(--c-border);
        color: var(--c-text2);
    }

        html[data-theme="dark"] .canvas-app .btn-outline:hover {
            background: var(--c-bg-hover);
        }

    /* Context menus */
    html[data-theme="dark"] .canvas-app .custom-menu,
    html[data-theme="dark"] .canvas-app .more-tools-menu,
    html[data-theme="dark"] .canvas-app .user-menu-popup,
    html[data-theme="dark"] .canvas-app .sub-menu {
        background: var(--c-menu-bg);
        border-color: var(--c-border);
    }

    html[data-theme="dark"] .canvas-app .menu-item {
        color: var(--c-text);
    }

        html[data-theme="dark"] .canvas-app .menu-item:hover {
            background: var(--c-bg-hover);
        }

        html[data-theme="dark"] .canvas-app .menu-item.delete {
            color: #f87171;
        }

    html[data-theme="dark"] .canvas-app .menu-divider {
        background: var(--c-border-light);
    }

    html[data-theme="dark"] .canvas-app .tool-item {
        color: var(--c-text2);
    }

        html[data-theme="dark"] .canvas-app .tool-item:hover {
            background: var(--c-bg-hover);
            color: var(--c-text);
        }

    /* Scrollbar */
    html[data-theme="dark"] .canvas-app .doc-list::-webkit-scrollbar-thumb {
        background: var(--c-scroll-thumb);
    }

    /* ══════════════════════════════════════════════════════════
   Mobile toolbar
══════════════════════════════════════════════════════════ */
    html[data-theme="dark"] .canvas-app .toolbar-secondary {
        background: var(--c-bg2);
        border-color: var(--c-border);
    }

    html[data-theme="dark"] .canvas-app .toolbar-primary-row {
        background: var(--c-bg);
        border-color: var(--c-border);
    }

    html[data-theme="dark"] .canvas-app .mobile-panel-popup {
        background: var(--c-bg);
        border-color: var(--c-border);
    }

    html[data-theme="dark"] .canvas-app .mp-size-btn {
        border-color: var(--c-border);
        color: var(--c-text3);
    }

        html[data-theme="dark"] .canvas-app .mp-size-btn.active {
            border-color: var(--c-accent);
            background: var(--c-bg-active);
            color: var(--c-accent);
        }

    html[data-theme="dark"] .canvas-app .mp-grid-btn {
        border-color: var(--c-border);
        color: var(--c-text3);
    }

        html[data-theme="dark"] .canvas-app .mp-grid-btn:hover {
            background: var(--c-bg-hover);
            color: var(--c-text);
        }

    html[data-theme="dark"] .canvas-app .mp-label {
        color: var(--c-text4);
    }

    html[data-theme="dark"] .canvas-app .mp-divider {
        background: var(--c-border);
    }

    /* ══════════════════════════════════════════════════════════
   canvas-ai.css — override hardcoded colors
   (phần dùng var() đã tự động qua --bg-primary etc.)
══════════════════════════════════════════════════════════ */
    html[data-theme="dark"] .canvas-app .gen-preview-img-wrap,
    html[data-theme="dark"] .canvas-app .gen-compare-img {
        background: var(--c-bg2);
    }

    html[data-theme="dark"] .canvas-app .gen-model-card:hover,
    html[data-theme="dark"] .canvas-app .gen-model-row:hover,
    html[data-theme="dark"] .canvas-app .gen-quality-option:hover {
        background: var(--c-bg-hover);
        border-color: #60a5fa;
    }

    html[data-theme="dark"] .canvas-app .gen-model-card.selected,
    html[data-theme="dark"] .canvas-app .gen-model-row.selected,
    html[data-theme="dark"] .canvas-app .gen-quality-option.selected {
        background: rgba(59,130,246,.15);
        border-color: #3b82f6;
    }

    /* Gallery FAB & Popup */
    html[data-theme="dark"] .canvas-app .gallery-fab {
        background: var(--c-bg);
        border-color: var(--c-border);
        color: var(--c-text);
    }

    html[data-theme="dark"] .canvas-app .gallery-fab-badge {
        border-color: var(--c-bg);
    }

    html[data-theme="dark"] .canvas-app .gallery-card {
        background: var(--c-bg);
        border-color: var(--c-border);
    }

    html[data-theme="dark"] .canvas-app .gallery-card-img,
    html[data-theme="dark"] .canvas-app .gallery-card-img.placeholder {
        background: var(--c-bg2);
    }

    /* ══════════════════════════════════════════════════════════
   gallery-detail-modal.css (gdm-*)
══════════════════════════════════════════════════════════ */
    html[data-theme="dark"] .canvas-app .gdm-images-col {
        background-color: #0f172a;
        background-image: linear-gradient(45deg,#1e293b 25%,transparent 25%), linear-gradient(-45deg,#1e293b 25%,transparent 25%), linear-gradient(45deg,transparent 75%,#1e293b 75%), linear-gradient(-45deg,transparent 75%,#1e293b 75%);
    }

    html[data-theme="dark"] .canvas-app .gdm-img-wrap {
        box-shadow: 0 2px 12px rgba(0,0,0,.4), 0 0 0 1px rgba(255,255,255,.06);
    }

    html[data-theme="dark"] .canvas-app .gdm-img-placeholder {
        background: var(--c-bg2);
        border-color: var(--c-border);
        color: var(--c-text3);
    }

    html[data-theme="dark"] .canvas-app .gdm-meta-scroll::-webkit-scrollbar-thumb {
        background: var(--c-border);
    }

    /* ══════════════════════════════════════════════════════════
   gallery-popup2.css (igp2-*)
══════════════════════════════════════════════════════════ */
    html[data-theme="dark"] .canvas-app .igp2-panel {
        background: var(--c-bg);
        border-color: var(--c-border);
    }

    html[data-theme="dark"] .canvas-app .igp2-header,
    html[data-theme="dark"] .canvas-app .igp2-filter-bar,
    html[data-theme="dark"] .canvas-app .igp2-cost-bar {
        background: var(--c-bg);
        border-color: var(--c-border);
    }

    html[data-theme="dark"] .canvas-app .igp2-title {
        color: var(--c-text);
    }

    html[data-theme="dark"] .canvas-app .igp2-count {
        background: var(--c-bg3);
        color: var(--c-text3);
    }

    html[data-theme="dark"] .canvas-app .igp2-icon-btn {
        color: var(--c-text3);
    }

        html[data-theme="dark"] .canvas-app .igp2-icon-btn:hover {
            background: var(--c-bg-hover);
            color: var(--c-text);
        }

    html[data-theme="dark"] .canvas-app .igp2-layout-btns {
        background: var(--c-bg2);
    }

    html[data-theme="dark"] .canvas-app .igp2-layout-btn {
        color: var(--c-text3);
    }

        html[data-theme="dark"] .canvas-app .igp2-layout-btn.active {
            background: var(--c-bg);
            color: var(--c-text);
        }

    html[data-theme="dark"] .canvas-app .igp2-filter-select,
    html[data-theme="dark"] .canvas-app .igp2-search {
        background: var(--c-bg2);
        border-color: var(--c-border);
        color: var(--c-text);
    }

    html[data-theme="dark"] .canvas-app .igp2-card {
        background: var(--c-bg);
        border-color: var(--c-border);
    }

        html[data-theme="dark"] .canvas-app .igp2-card:hover {
            border-color: #60a5fa;
        }

    html[data-theme="dark"] .canvas-app .igp2-card-img.placeholder {
        background: var(--c-bg2);
    }

    html[data-theme="dark"] .canvas-app .igp2-layout-btns {
        background: var(--c-bg2);
    }

    html[data-theme="dark"] .canvas-app .igp2-card.skeleton {
        background: linear-gradient(90deg, var(--c-bg2) 25%, var(--c-bg3) 50%, var(--c-bg2) 75%);
        background-size: 200% 100%;
    }

    html[data-theme="dark"] .canvas-app .igp2-empty {
        color: var(--c-text3);
    }

/* ══════════════════════════════════════════════════════════
   TRANSITION smooth
══════════════════════════════════════════════════════════ */
.canvas-app,
.canvas-app .sidebar,
.canvas-app .topbar,
.canvas-app .bottom-toolbar,
.canvas-app .panel-colors,
.canvas-app .panel-shapes,
.canvas-app .panel-size-labels,
.canvas-app .panel-size,
.canvas-app .page-menu,
.canvas-app .custom-menu,
.canvas-app .user-menu-popup,
.canvas-app .mobile-panel-popup,
.canvas-app .toolbar-secondary,
.canvas-app .toolbar-primary-row {
    transition: background-color .2s ease, border-color .2s ease, color .15s ease;
}

    .canvas-app canvas {
        transition: none !important;
    }

/* ══════════════════════════════════════════════════════════
   btn-gallery — base styles + dark hover
══════════════════════════════════════════════════════════ */
.btn-gallery {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 5px 12px;
    border-radius: 7px;
    border: 1px solid #e5e7eb;
    background: #fff;
    font-size: 12px;
    font-weight: 500;
    color: #374151;
    cursor: pointer;
    position: relative;
    transition: background .1s, border-color .1s, color .1s;
}

    .btn-gallery:hover {
        background: #f3f4f6;
        border-color: #d1d5db;
    }

    .btn-gallery.has-new {
        border-color: #a5b4fc;
        color: #4f46e5;
    }

.btn-gallery-label {
    font-size: 12px;
}

.btn-gallery-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 16px;
    height: 16px;
    padding: 0 4px;
    background: #ef4444;
    color: #fff;
    font-size: 10px;
    font-weight: 600;
    border-radius: 8px;
}

    .btn-gallery-badge.dot {
        width: 7px;
        height: 7px;
        min-width: unset;
        padding: 0;
        border-radius: 50%;
        background: #6366f1;
    }

/* Dark */
html[data-theme="dark"] .canvas-app .btn-gallery {
    background: var(--c-bg);
    border-color: var(--c-border);
    color: var(--c-text2);
}

    html[data-theme="dark"] .canvas-app .btn-gallery:hover {
        background: var(--c-bg-hover);
        border-color: #818cf8;
        color: var(--c-text);
    }

    html[data-theme="dark"] .canvas-app .btn-gallery.has-new {
        border-color: #818cf8;
        color: #a5b4fc;
    }

/* ══════════════════════════════════════════════════════════
   canvas-workspace dark — dot pattern + bg
══════════════════════════════════════════════════════════ */
html[data-theme="dark"] .canvas-app .canvas-workspace {
    background-color: var(--c-workspace-bg);
    background-image: radial-gradient(circle, var(--c-workspace-dot) 1px, transparent 1px);
    background-size: 24px 24px;
}

    /* Fabric canvas element — giữ white bg (transparent PNG cần) */
    html[data-theme="dark"] .canvas-app .canvas-workspace canvas {
        box-shadow: 0 2px 24px rgba(0,0,0,.5);
    }
 
/* ══════════════════════════════════════════════════════════
   gallery-popup2.css — igp2-* gallery panel v2
══════════════════════════════════════════════════════════ */


/* ── Trigger button ───────────────────────────────────────────── */
.btn-gallery {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 8px;
    border: 1.5px solid var(--border, #e5e7eb);
    background: var(--bg-primary, #fff);
    color: var(--text-primary, #111827);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    position: relative;
    transition: border-color .15s, background .15s, box-shadow .15s;
    white-space: nowrap;
    flex-shrink: 0;
}

    .btn-gallery:hover {
        border-color: #6366f1;
        background: #f5f3ff;
        box-shadow: 0 2px 8px rgba(99,102,241,.12);
    }

    .btn-gallery.has-new {
        border-color: #6366f1;
        background: #eef2ff;
        color: #4f46e5;
    }

.btn-gallery-label {
    font-size: 13px;
}

.btn-gallery-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 17px;
    height: 17px;
    padding: 0 4px;
    background: #6366f1;
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    border-radius: 99px;
    line-height: 1;
}

    .btn-gallery-badge.dot {
        width: 8px;
        height: 8px;
        min-width: unset;
        padding: 0;
        border-radius: 50%;
        position: absolute;
        top: 3px;
        right: 3px;
        border: 2px solid var(--bg-primary, #fff);
        background: #ef4444;
    }

/* ── Overlay ──────────────────────────────────────────────────── */
.igp2-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.2);
    z-index: 600;
    display: flex;
    align-items: flex-start;
    justify-content: flex-end;
    padding-top: 52px;
    padding-right: 12px;
    backdrop-filter: blur(0px);
}

/* ── Panel ────────────────────────────────────────────────────── */
.igp2-panel {
    background: var(--bg-primary, #fff);
    border: 1px solid var(--border, #e5e7eb);
    border-radius: 12px;
    width: 540px;
    max-width: calc(100vw - 24px);
    /* FIX: chiều cao cố định, không bị bóp khi nhiều ảnh */
    height: calc(100vh - 72px);
    max-height: calc(100vh - 72px);
    display: flex;
    flex-direction: column;
    box-shadow: 0 12px 40px rgba(0,0,0,.15), 0 2px 8px rgba(0,0,0,.08);
    overflow: hidden;
    animation: igp2DropIn .18s cubic-bezier(.4,0,.2,1);
}

@keyframes igp2DropIn {
    from {
        opacity: 0;
        transform: translateY(-10px) scale(.97);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* FIX FULLSCREEN: dùng position fixed thay vì dựa vào overlay flex */
.igp2-overlay.igp2-fullscreen-mode {
    padding: 0;
    align-items: stretch;
    justify-content: stretch;
    background: rgba(0,0,0,.5);
    backdrop-filter: blur(4px);
}

.igp2-panel.igp2-fullscreen {
    width: 100vw;
    max-width: 100vw;
    height: 100vh;
    max-height: 100vh;
    border-radius: 0;
    border: none;
    animation: none;
}

/* ── Header ───────────────────────────────────────────────────── */
.igp2-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 14px 10px;
    border-bottom: 1px solid var(--border, #e5e7eb);
    flex-shrink: 0;
    gap: 8px;
}

.igp2-title {
    display: flex;
    align-items: center;
    gap: 7px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary, #111827);
    min-width: 0;
}

.igp2-count {
    font-size: 11px;
    background: var(--bg-secondary, #f3f4f6);
    color: var(--text-secondary, #6b7280);
    padding: 1px 7px;
    border-radius: 999px;
    font-variant-numeric: tabular-nums;
}

.igp2-header-actions {
    display: flex;
    align-items: center;
    gap: 3px;
    flex-shrink: 0;
}

/* Layout switcher */
.igp2-layout-btns {
    display: flex;
    gap: 1px;
    background: var(--bg-secondary, #f3f4f6);
    padding: 3px;
    border-radius: 7px;
    margin-right: 3px;
}

.igp2-layout-btn {
    width: 26px;
    height: 26px;
    border: none;
    background: transparent;
    border-radius: 5px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary, #6b7280);
    transition: background .12s, color .12s;
}

    .igp2-layout-btn:hover {
        background: var(--bg-primary, #fff);
        color: var(--text-primary, #111);
    }

    .igp2-layout-btn.active {
        background: var(--bg-primary, #fff);
        color: #6366f1;
        box-shadow: 0 1px 3px rgba(0,0,0,.1);
    }

/* Icon buttons */
.igp2-icon-btn {
    width: 30px;
    height: 30px;
    border: none;
    background: transparent;
    border-radius: 7px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary, #6b7280);
    transition: background .12s, color .12s;
    font-size: 18px;
    line-height: 1;
}

    .igp2-icon-btn:hover {
        background: var(--bg-hover, #f3f4f6);
        color: var(--text-primary, #111);
    }

.igp2-close-btn:hover {
    background: #fee2e2;
    color: #dc2626;
}

/* ── Filter bar ───────────────────────────────────────────────── */
.igp2-filter-bar {
    display: flex;
    gap: 6px;
    padding: 8px 12px;
    border-bottom: 1px solid var(--border, #e5e7eb);
    flex-shrink: 0;
}

.igp2-filter-select {
    padding: 5px 8px;
    border: 1px solid var(--border, #e5e7eb);
    border-radius: 6px;
    font-size: 12px;
    background: var(--bg-primary, #fff);
    color: var(--text-primary, #111827);
    cursor: pointer;
    flex-shrink: 0;
}

    .igp2-filter-select:focus {
        outline: none;
        border-color: #6366f1;
    }

.igp2-search {
    flex: 1;
    padding: 5px 10px;
    border: 1px solid var(--border, #e5e7eb);
    border-radius: 6px;
    font-size: 12px;
    background: var(--bg-primary, #fff);
    color: var(--text-primary, #111827);
    min-width: 0;
}

    .igp2-search:focus {
        outline: none;
        border-color: #6366f1;
    }

/* ── Cost bar ─────────────────────────────────────────────────── */
.igp2-cost-bar {
    display: flex;
    border-bottom: 1px solid var(--border, #e5e7eb);
    flex-shrink: 0;
    background: var(--bg-secondary, #f9fafb);
}

.igp2-cost-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 6px 4px;
    border-right: 1px solid var(--border, #e5e7eb);
    font-size: 11px;
    gap: 2px;
}

    .igp2-cost-item:last-child {
        border-right: none;
    }

    .igp2-cost-item span:first-child {
        color: var(--text-secondary, #6b7280);
        font-size: 10px;
        text-transform: uppercase;
        letter-spacing: .04em;
    }

    .igp2-cost-item span:last-child {
        font-weight: 700;
        color: #6366f1;
    }

/* ── Content grid — FIX chiều cao ảnh ────────────────────────── */
.igp2-content {
    flex: 1;
    overflow-y: auto;
    padding: 10px;
    /* FIX: align-content: start để grid không stretch khi ít items,
       và không bóp khi nhiều items vì overflow-y: auto lo rồi */
    display: grid;
    gap: 8px;
    align-content: start;
    min-height: 0; /* FIX: quan trọng — cho phép flex child shrink */
}

    /* Layout variants */
    .igp2-content.igp2-layout-grid {
        grid-template-columns: repeat(4, 1fr);
        grid-auto-rows: max-content;
    }

    .igp2-content.igp2-layout-grid3 {
        grid-template-columns: repeat(3, 1fr);
        grid-auto-rows: max-content;
    }

    .igp2-content.igp2-layout-list {
        grid-template-columns: 1fr;
    }

    .igp2-content.igp2-layout-large {
        grid-template-columns: repeat(2, 1fr);
        grid-auto-rows: max-content;
    }

    /* Scrollbar */
    .igp2-content::-webkit-scrollbar {
        width: 5px;
    }

    .igp2-content::-webkit-scrollbar-track {
        background: transparent;
    }

    .igp2-content::-webkit-scrollbar-thumb {
        background: var(--border, #d1d5db);
        border-radius: 3px;
    }

/* ── Card ─────────────────────────────────────────────────────── */
.igp2-card {
    border: 1.5px solid var(--border, #e5e7eb);
    border-radius: 0px;
    overflow: hidden;
    cursor: pointer;
    transition: border-color .15s, box-shadow .15s, transform .15s;
    position: relative;
    display: block; /* block thay vì flex — img aspect-ratio tự drive height */
    background: var(--bg-primary, #fff);
}

    .igp2-card:hover {
        border-color: #a5b4fc;
        box-shadow: 0 4px 16px rgba(99,102,241,.18);
        transform: translateY(-1px);
    }

    .igp2-card.status-pending {
        border-color: #fbbf24;
    }

    .igp2-card.status-processing {
        border-color: #60a5fa;
    }

    .igp2-card.status-rejected,
    .igp2-card.status-failed {
        border-color: #f87171;
    }

    /* Skeleton */
    .igp2-card.skeleton {
        background: var(--bg-secondary, #f3f4f6);
        min-height: 120px;
        animation: igp2Pulse 1.4s ease-in-out infinite;
        border-color: transparent;
    }

        .igp2-card.skeleton::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,.4) 50%, transparent 100%);
            background-size: 200% 100%;
            animation: igp2Shimmer 1.4s infinite;
        }

@keyframes igp2Pulse {
    0%,100% {
        opacity: 1;
    }

    50% {
        opacity: .6;
    }
}

@keyframes igp2Shimmer {
    0% {
        background-position: -200% 0;
    }

    100% {
        background-position: 200% 0;
    }
}

/* Status badge */
.igp2-card-badge {
    position: absolute;
    top: 5px;
    right: 5px;
    font-size: 10px;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 5px;
    z-index: 1;
    line-height: 1.4;
    backdrop-filter: blur(4px);
}

    .igp2-card-badge.completed {
        background: rgba(220,252,231,.9);
        color: #15803d;
    }

    .igp2-card-badge.processing {
        background: rgba(224,231,255,.9);
        color: #3730a3;
    }

    .igp2-card-badge.pending {
        background: rgba(254,249,195,.9);
        color: #854d0e;
    }

    .igp2-card-badge.rejected,
    .igp2-card-badge.failed {
        background: rgba(254,226,226,.9);
        color: #dc2626;
    }

/* ── Image: luôn vuông bằng aspect-ratio trên chính img/placeholder ── */
/* Grid/large/grid3: card là flex column, img fill width và tự giữ vuông */
.igp2-card-img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    display: block;
    flex-shrink: 0;
}

    /* Placeholder (div) — vuông + center content */
    .igp2-card-img.placeholder {
        display: flex;
        align-items: center;
        justify-content: center;
        background: var(--bg-secondary, #f3f4f6);
        position: relative;
        overflow: hidden;
    }

/* Pending canvas bên trong placeholder */
.igp2-pending-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.igp2-pending-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,.55) 0%, transparent 60%);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: 8px;
}

.igp2-pending-label {
    font-size: 10px;
    font-weight: 600;
    color: #fff;
    background: rgba(0,0,0,.4);
    padding: 3px 8px;
    border-radius: 5px;
    backdrop-filter: blur(4px);
}

/* ── List layout ── */
.igp2-layout-list .igp2-card {
    display: flex;
    flex-direction: row;
    align-items: stretch;
    min-height: 72px;
}

.igp2-layout-list .igp2-card-img {
    width: 72px;
    aspect-ratio: unset;
    height: 100%;
    flex-shrink: 0;
}

/* Card body */
.igp2-card-body {
    padding: 7px 9px;
    display: flex;
    flex-direction: column;
    gap: 3px;
    min-width: 0;
}
/* List: body fills remaining space */
.igp2-layout-list .igp2-card-body {
    flex: 1;
}

.igp2-card-prompt {
    font-size: 11px;
    color: var(--text-primary, #111827);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    line-height: 1.4;
    font-weight: 500;
}

.igp2-card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 10px;
    color: var(--text-secondary, #6b7280);
    gap: 4px;
}

    .igp2-card-meta span {
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

/* ── Empty state ──────────────────────────────────────────────── */
.igp2-empty {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 60px 16px;
    color: var(--text-secondary, #6b7280);
    font-size: 13px;
    font-weight: 500;
}

.igp2-empty-sub {
    font-size: 12px;
    font-weight: 400;
    color: var(--text-secondary, #9ca3af);
}

/* ── Badge helpers ────────────────────────────────────────────── */
.igp2-badge {
    font-size: 11px;
    font-weight: 700;
    padding: 1px 7px;
    border-radius: 99px;
}

    .igp2-badge.amber {
        background: #fef3c7;
        color: #92400e;
    }

    .igp2-badge.green {
        background: #dcfce7;
        color: #15803d;
    }

/* ── Mobile ≤ 768px — dock bottom ────────────────────────────── */
@media (max-width: 768px) {
    .igp2-overlay {
        align-items: flex-end;
        justify-content: stretch;
        padding: 0;
        background: rgba(0,0,0,.35);
    }

    .igp2-panel {
        width: 100%;
        max-width: 100%;
        height: 82vh;
        max-height: 82vh;
        border-radius: 16px 16px 0 0;
        animation: igp2SlideUp .22s cubic-bezier(.4,0,.2,1);
    }

    @keyframes igp2SlideUp {
        from {
            opacity: 0;
            transform: translateY(24px);
        }

        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    /* Fullscreen trên mobile */
    .igp2-panel.igp2-fullscreen {
        height: 100vh;
        max-height: 100vh;
        border-radius: 0;
    }

    .btn-gallery .btn-gallery-label {
        display: none;
    }

    .btn-gallery {
        padding: 6px 9px;
    }

    .igp2-content.igp2-layout-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .igp2-content.igp2-layout-grid3 {
        grid-template-columns: repeat(2, 1fr);
    }

    .igp2-content.igp2-layout-large {
        grid-template-columns: 1fr;
    }
}

/* ── Dark theme — html[data-theme="dark"] ─────────────────────── */
html[data-theme="dark"] .igp2-panel {
    background: var(--bg-primary);
    border-color: var(--border);
}

html[data-theme="dark"] .igp2-header {
    border-color: var(--border);
}

html[data-theme="dark"] .igp2-filter-bar {
    border-color: var(--border);
    background: var(--bg-primary);
}

html[data-theme="dark"] .igp2-cost-bar {
    background: var(--bg-secondary);
    border-color: var(--border);
}

html[data-theme="dark"] .igp2-cost-item {
    border-color: var(--border);
}

html[data-theme="dark"] .igp2-filter-select,
html[data-theme="dark"] .igp2-search {
    background: var(--bg-secondary);
    border-color: var(--border);
    color: var(--text-primary);
}

html[data-theme="dark"] .igp2-layout-btns {
    background: var(--bg-secondary);
}

html[data-theme="dark"] .igp2-layout-btn.active {
    background: var(--bg-hover);
    color: #818cf8;
}

html[data-theme="dark"] .igp2-card {
    background: var(--bg-primary);
    border-color: var(--border);
}

    html[data-theme="dark"] .igp2-card:hover {
        border-color: #818cf8;
        box-shadow: 0 4px 16px rgba(99,102,241,.25);
    }

html[data-theme="dark"] .igp2-card-img-wrap {
    background: var(--bg-secondary);
}

html[data-theme="dark"] .igp2-card.skeleton {
    background: var(--bg-secondary);
}

html[data-theme="dark"] .igp2-icon-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

html[data-theme="dark"] .igp2-close-btn:hover {
    background: rgba(239,68,68,.2);
    color: #f87171;
}

html[data-theme="dark"] .btn-gallery {
    background: var(--bg-primary);
    border-color: var(--border);
    color: var(--text-primary);
}

    html[data-theme="dark"] .btn-gallery:hover {
        background: var(--bg-hover);
        border-color: #818cf8;
    }

    html[data-theme="dark"] .btn-gallery.has-new {
        background: rgba(99,102,241,.15);
        border-color: #818cf8;
        color: #a5b4fc;
    }

html[data-theme="dark"] .btn-gallery-badge.dot {
    border-color: var(--bg-primary);
}

/* ══════════════════════════════════════════════════════════
   book-settings-panel.css — bsp-* BookSettingsPanel
══════════════════════════════════════════════════════════ */


/* ── CSS Variables: Dark (default) ── */
.bsp-panel {
    --bsp-bg: #1a1a1f;
    --bsp-bg-header: rgba(255,255,255,.02);
    --bsp-bg-footer: rgba(255,255,255,.01);
    --bsp-border: rgba(255,255,255,.08);
    --bsp-border-subtle: rgba(255,255,255,.06);
    --bsp-shadow: 0 0 0 1px rgba(255,255,255,.04), 0 24px 64px rgba(0,0,0,.6), 0 8px 24px rgba(0,0,0,.4);
    --bsp-text-title: #f0f0f0;
    --bsp-text-subtitle: #555;
    --bsp-text-label: #666;
    --bsp-text-body: #ccc;
    --bsp-text-muted: #555;
    --bsp-item-bg: rgba(255,255,255,.04);
    --bsp-item-border: rgba(255,255,255,.07);
    --bsp-item-bg-hover: rgba(255,255,255,.08);
    --bsp-item-border-hover: rgba(255,255,255,.12);
    --bsp-item-color: #888;
    --bsp-item-color-hover: #ccc;
    --bsp-active-bg: rgba(99,102,241,.15);
    --bsp-active-border: rgba(99,102,241,.5);
    --bsp-active-color: #a5b4fc;
    --bsp-active-bg-seg: rgba(99,102,241,.2);
    --bsp-active-bg-story: rgba(99,102,241,.12);
    --bsp-active-border-story: rgba(99,102,241,.45);
    --bsp-seg-bg: rgba(255,255,255,.04);
    --bsp-seg-border: rgba(255,255,255,.07);
    --bsp-seg-hover: rgba(255,255,255,.06);
    --bsp-seg-color: #666;
    --bsp-seg-color-hover: #aaa;
    --bsp-dot-border: #444;
    --bsp-scrollbar: rgba(255,255,255,.1);
    --bsp-close-bg: rgba(255,255,255,.05);
    --bsp-close-border: rgba(255,255,255,.07);
    --bsp-close-bg-hover: rgba(255,255,255,.1);
    --bsp-close-color: #666;
    --bsp-close-color-hover: #ccc;
    --bsp-cancel-bg: rgba(255,255,255,.05);
    --bsp-cancel-border: rgba(255,255,255,.08);
    --bsp-cancel-bg-hover: rgba(255,255,255,.09);
    --bsp-cancel-color: #888;
    --bsp-cancel-color-hover: #bbb;
    --bsp-bg-preview-border: rgba(255,255,255,.1);
}

/* ── CSS Variables: Light — override khi html[data-theme="light"] ── */
html[data-theme="light"] .bsp-panel {
    --bsp-bg: #ffffff;
    --bsp-bg-header: rgba(0,0,0,.02);
    --bsp-bg-footer: rgba(0,0,0,.02);
    --bsp-border: rgba(0,0,0,.08);
    --bsp-border-subtle: rgba(0,0,0,.06);
    --bsp-shadow: 0 0 0 1px rgba(0,0,0,.06), 0 24px 64px rgba(0,0,0,.12), 0 8px 24px rgba(0,0,0,.08);
    --bsp-text-title: #111;
    --bsp-text-subtitle: #aaa;
    --bsp-text-label: #999;
    --bsp-text-body: #333;
    --bsp-text-muted: #bbb;
    --bsp-item-bg: rgba(0,0,0,.03);
    --bsp-item-border: rgba(0,0,0,.08);
    --bsp-item-bg-hover: rgba(0,0,0,.06);
    --bsp-item-border-hover: rgba(0,0,0,.14);
    --bsp-item-color: #777;
    --bsp-item-color-hover: #333;
    --bsp-active-bg: rgba(99,102,241,.08);
    --bsp-active-border: rgba(99,102,241,.45);
    --bsp-active-color: #4f46e5;
    --bsp-active-bg-seg: rgba(99,102,241,.12);
    --bsp-active-bg-story: rgba(99,102,241,.07);
    --bsp-active-border-story: rgba(99,102,241,.4);
    --bsp-seg-bg: rgba(0,0,0,.04);
    --bsp-seg-border: rgba(0,0,0,.08);
    --bsp-seg-hover: rgba(0,0,0,.06);
    --bsp-seg-color: #999;
    --bsp-seg-color-hover: #444;
    --bsp-dot-border: #ccc;
    --bsp-scrollbar: rgba(0,0,0,.12);
    --bsp-close-bg: rgba(0,0,0,.04);
    --bsp-close-border: rgba(0,0,0,.08);
    --bsp-close-bg-hover: rgba(0,0,0,.08);
    --bsp-close-color: #aaa;
    --bsp-close-color-hover: #444;
    --bsp-cancel-bg: rgba(0,0,0,.04);
    --bsp-cancel-border: rgba(0,0,0,.08);
    --bsp-cancel-bg-hover: rgba(0,0,0,.07);
    --bsp-cancel-color: #888;
    --bsp-cancel-color-hover: #333;
    --bsp-bg-preview-border: rgba(0,0,0,.1);
}

/* ── Overlay ── */
.bsp-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.5);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: bsp-fade-in 0.15s ease;
}

@keyframes bsp-fade-in {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

/* ── Panel ── */
.bsp-panel {
    width: 380px;
    max-height: 88vh;
    background: var(--bsp-bg);
    border: 1px solid var(--bsp-border);
    border-radius: 14px;
    box-shadow: var(--bsp-shadow);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: bsp-slide-up 0.2s cubic-bezier(0.34,1.56,0.64,1);
    transition: background .2s, border-color .2s, box-shadow .2s;
}

@keyframes bsp-slide-up {
    from {
        opacity: 0;
        transform: translateY(16px) scale(0.97);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* ── Header ── */
.bsp-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 18px;
    border-bottom: 1px solid var(--bsp-border-subtle);
    background: var(--bsp-bg-header);
}

.bsp-header-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.bsp-header-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg,#6366f1,#8b5cf6);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    flex-shrink: 0;
}

.bsp-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--bsp-text-title);
    letter-spacing: .01em;
    transition: color .2s;
}

.bsp-subtitle {
    font-size: 11px;
    color: var(--bsp-text-subtitle);
    margin-top: 1px;
    transition: color .2s;
}

.bsp-close {
    width: 28px;
    height: 28px;
    background: var(--bsp-close-bg);
    border: 1px solid var(--bsp-close-border);
    border-radius: 6px;
    color: var(--bsp-close-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all .15s;
}

    .bsp-close:hover {
        background: var(--bsp-close-bg-hover);
        color: var(--bsp-close-color-hover);
    }

/* ── Body ── */
.bsp-body {
    flex: 1;
    overflow-y: auto;
    padding: 16px 18px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    scrollbar-width: thin;
    scrollbar-color: var(--bsp-scrollbar) transparent;
}

    .bsp-body::-webkit-scrollbar {
        width: 4px;
    }

    .bsp-body::-webkit-scrollbar-track {
        background: transparent;
    }

    .bsp-body::-webkit-scrollbar-thumb {
        background: var(--bsp-scrollbar);
        border-radius: 4px;
    }

.bsp-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.bsp-field-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    font-weight: 600;
    color: var(--bsp-text-label);
    text-transform: uppercase;
    letter-spacing: .08em;
    transition: color .2s;
}

/* ── Theme Grid ── */
.bsp-theme-grid {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 6px;
}

.bsp-theme-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 10px 6px;
    background: var(--bsp-item-bg);
    border: 1px solid var(--bsp-item-border);
    border-radius: 8px;
    color: var(--bsp-item-color);
    font-size: 11px;
    cursor: pointer;
    transition: all .15s;
}

    .bsp-theme-btn:hover {
        background: var(--bsp-item-bg-hover);
        color: var(--bsp-item-color-hover);
        border-color: var(--bsp-item-border-hover);
    }

    .bsp-theme-btn.active {
        background: var(--bsp-active-bg);
        border-color: var(--bsp-active-border);
        color: var(--bsp-active-color);
    }

.bsp-theme-icon {
    font-size: 18px;
    line-height: 1;
}

/* ── Segmented Control ── */
.bsp-seg {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    background: var(--bsp-seg-bg);
    border: 1px solid var(--bsp-seg-border);
    border-radius: 8px;
    padding: 3px;
    gap: 3px;
}

.bsp-seg-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 8px 4px;
    background: transparent;
    border: none;
    border-radius: 6px;
    color: var(--bsp-seg-color);
    cursor: pointer;
    transition: all .15s;
}

    .bsp-seg-btn:hover {
        background: var(--bsp-seg-hover);
        color: var(--bsp-seg-color-hover);
    }

    .bsp-seg-btn.active {
        background: var(--bsp-active-bg-seg);
        color: var(--bsp-active-color);
    }

.bsp-seg-title {
    font-size: 12px;
    font-weight: 500;
}

.bsp-seg-sub {
    font-size: 10px;
    opacity: .6;
}

/* ── Line Preview ── */
.bsp-line-preview {
    display: block;
    width: 28px;
    background: currentColor;
    border-radius: 4px;
    margin-bottom: 2px;
}

    .bsp-line-preview.thin {
        height: 1px;
    }

    .bsp-line-preview.medium {
        height: 3px;
    }

    .bsp-line-preview.bold {
        height: 5px;
    }

/* ── Background Preview ── */
.bsp-bg-grid {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 6px;
}

.bsp-bg-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 10px 6px;
    background: var(--bsp-item-bg);
    border: 1px solid var(--bsp-item-border);
    border-radius: 8px;
    color: var(--bsp-item-color);
    font-size: 11px;
    cursor: pointer;
    transition: all .15s;
}

    .bsp-bg-btn:hover {
        background: var(--bsp-item-bg-hover);
        border-color: var(--bsp-item-border-hover);
        color: var(--bsp-item-color-hover);
    }

    .bsp-bg-btn.active {
        background: var(--bsp-active-bg);
        border-color: var(--bsp-active-border);
        color: var(--bsp-active-color);
    }

.bsp-bg-preview {
    width: 48px;
    height: 36px;
    border-radius: 5px;
    border: 1px solid var(--bsp-bg-preview-border);
    position: relative;
    overflow: hidden;
}

    .bsp-bg-preview.blank {
        background: #f8f8f8;
    }

    .bsp-bg-preview.simple {
        background: #f8f8f8;
    }

        .bsp-bg-preview.simple::before {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 4px;
            width: 40px;
            height: 6px;
            background: rgba(0,0,0,.12);
            border-radius: 3px;
        }

        .bsp-bg-preview.simple::after {
            content: '';
            position: absolute;
            top: 5px;
            right: 8px;
            width: 12px;
            height: 8px;
            background: rgba(0,0,0,.1);
            border-radius: 50% 50% 0 0;
        }

    .bsp-bg-preview.scene {
        background: linear-gradient(180deg,#dbeafe 0%,#dbeafe 45%,#bbf7d0 45%,#bbf7d0 70%,#d1fae5 70%,#d1fae5 100%);
        opacity: .85;
    }

/* ── Story Mode ── */
.bsp-story-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.bsp-story-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    background: var(--bsp-item-bg);
    border: 1px solid var(--bsp-item-border);
    border-radius: 8px;
    cursor: pointer;
    transition: all .15s;
    text-align: left;
}

    .bsp-story-btn:hover {
        background: var(--bsp-item-bg-hover);
        border-color: var(--bsp-item-border-hover);
    }

    .bsp-story-btn.active {
        background: var(--bsp-active-bg-story);
        border-color: var(--bsp-active-border-story);
    }

.bsp-story-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    border: 2px solid var(--bsp-dot-border);
    flex-shrink: 0;
    transition: all .15s;
}

.bsp-story-btn.active .bsp-story-dot {
    background: #6366f1;
    border-color: #6366f1;
    box-shadow: 0 0 8px rgba(99,102,241,.5);
}

.bsp-story-info {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.bsp-story-name {
    font-size: 12px;
    font-weight: 500;
    color: var(--bsp-text-body);
    transition: color .2s;
}

.bsp-story-btn.active .bsp-story-name {
    color: var(--bsp-active-color);
}

.bsp-story-desc {
    font-size: 10px;
    color: var(--bsp-text-muted);
    transition: color .2s;
}

/* ── Footer ── */
.bsp-footer {
    display: flex;
    gap: 8px;
    padding: 14px 18px;
    border-top: 1px solid var(--bsp-border-subtle);
    background: var(--bsp-bg-footer);
}

.bsp-btn-cancel {
    flex: 1;
    padding: 9px;
    background: var(--bsp-cancel-bg);
    border: 1px solid var(--bsp-cancel-border);
    border-radius: 8px;
    color: var(--bsp-cancel-color);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all .15s;
}

    .bsp-btn-cancel:hover {
        background: var(--bsp-cancel-bg-hover);
        color: var(--bsp-cancel-color-hover);
    }

.bsp-btn-save {
    flex: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 9px;
    background: linear-gradient(135deg,#6366f1,#7c3aed);
    border: none;
    border-radius: 8px;
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all .15s;
    box-shadow: 0 2px 12px rgba(99,102,241,.3);
}

    .bsp-btn-save:hover {
        background: linear-gradient(135deg,#4f46e5,#6d28d9);
        box-shadow: 0 4px 16px rgba(99,102,241,.45);
        transform: translateY(-1px);
    }

    .bsp-btn-save:active {
        transform: translateY(0);
        box-shadow: 0 2px 8px rgba(99,102,241,.3);
    }

/* ── Provider Tabs ── */
.bsp-provider-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    background: var(--bsp-seg-bg);
    border: 1px solid var(--bsp-seg-border);
    border-radius: 8px;
    padding: 3px;
    gap: 3px;
}

.bsp-provider-tab {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 7px;
    background: transparent;
    border: none;
    border-radius: 6px;
    color: var(--bsp-seg-color);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all .15s;
}

    .bsp-provider-tab:hover {
        background: var(--bsp-seg-hover);
        color: var(--bsp-seg-color-hover);
    }

    .bsp-provider-tab.active {
        background: var(--bsp-active-bg-seg);
        color: var(--bsp-active-color);
    }

.bsp-provider-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    flex-shrink: 0;
}

    .bsp-provider-dot.gemini {
        background: #34d399;
    }

    .bsp-provider-dot.openai {
        background: #60a5fa;
    }

/* ── Model List ── */
.bsp-model-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.bsp-model-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    background: var(--bsp-item-bg);
    border: 1px solid var(--bsp-item-border);
    border-radius: 8px;
    cursor: pointer;
    transition: all .15s;
    text-align: left;
    width: 100%;
}

    .bsp-model-btn:hover {
        background: var(--bsp-item-bg-hover);
        border-color: var(--bsp-item-border-hover);
    }

    .bsp-model-btn.active {
        background: var(--bsp-active-bg-story);
        border-color: var(--bsp-active-border-story);
    }

.bsp-model-info {
    display: flex;
    flex-direction: column;
    gap: 1px;
    flex: 1;
    min-width: 0;
}

.bsp-model-name {
    font-size: 12px;
    font-weight: 500;
    color: var(--bsp-text-body);
    transition: color .2s;
}

.bsp-model-btn.active .bsp-model-name {
    color: var(--bsp-active-color);
}

.bsp-model-desc {
    font-size: 10px;
    color: var(--bsp-text-muted);
}

.bsp-model-cost {
    font-size: 10px;
    color: var(--bsp-text-muted);
    white-space: nowrap;
    font-variant-numeric: tabular-nums;
}

.bsp-model-check {
    color: var(--bsp-active-color);
    flex-shrink: 0;
}