/* -------------------------------------------------------------
   QuizGen AI - Custom Common CSS Overrides & Optimizations
   ------------------------------------------------------------- */

/* Ghi đè cấu hình Bootstrap mặc định để tránh xung đột với Tailwind */
html {
    font-size: 14px;
    scroll-behavior: smooth;
}

@media (min-width: 768px) {
    html {
        font-size: 16px;
    }
}

body {
    margin-bottom: 0 !important; /* Xóa khoảng trống margin footer của Bootstrap */
    overflow-x: hidden;
}

/* -------------------------------------------------------------
   1. CẤU HÌNH HIỂN THỊ MATERIAL SYMBOLS OUTLINED
   ------------------------------------------------------------- */
.material-symbols-outlined {
    font-family: 'Material Symbols Outlined';
    font-weight: normal;
    font-style: normal;
    font-size: 24px;
    line-height: 1;
    letter-spacing: normal;
    text-transform: none;
    display: inline-block;
    white-space: nowrap;
    word-wrap: normal;
    direction: ltr;
    -webkit-font-smoothing: antialiased;
    transition: transform 0.2s ease, font-variation-settings 0.2s ease;
}

/* -------------------------------------------------------------
   2. SMOOTH THEME TRANSITION FOR LIGHT/DARK MODE
   ------------------------------------------------------------- */
/* Áp dụng transition mượt mà cho việc thay đổi màu sắc background/border/text khi chuyển chế độ dark mode */
html,
body,
nav,
header,
main,
div,
a,
button,
input,
textarea {
    transition: background-color 200ms cubic-bezier(0.4, 0, 0.2, 1), border-color 200ms cubic-bezier(0.4, 0, 0.2, 1), color 200ms cubic-bezier(0.4, 0, 0.2, 1), box-shadow 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

    /* -------------------------------------------------------------
   3. TÙY BIẾN HOVER & TRẠNG THÁI HIỂN THỊ MENU SIDEBAR
   ------------------------------------------------------------- */
    /* Hiệu ứng khi hover menu item trong sidebar */
    nav#sidebar ul li a:hover span.material-symbols-outlined {
        transform: translateX(2px);
    }

    /* Hiệu ứng focus input tìm kiếm */
    input:focus {
        box-shadow: none !important;
    }

/* -------------------------------------------------------------
   4. GLASSMORPHISM & SOFT SHADOWS UTILITIES
   ------------------------------------------------------------- */
.glass-effect {
    background: rgba(250, 248, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.dark .glass-effect {
    background: rgba(13, 28, 47, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.soft-shadow {
    box-shadow: 0 4px 20px -2px rgba(17, 24, 39, 0.05), 0 2px 8px -1px rgba(17, 24, 39, 0.03);
}

.dark .soft-shadow {
    box-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.3), 0 2px 8px -1px rgba(0, 0, 0, 0.2);
}

/* -------------------------------------------------------------
   5. MODULE TÀI LIỆU - CREATE DOCUMENT PAGE
   Người thực hiện: Lê An
   Phạm vi sử dụng:
   - Views/Documents/Create.cshtml
   - Trang "Thêm tài liệu mới"
   Mục đích:
   - Định dạng giao diện form thêm tài liệu
   - Tabs: Dán văn bản / Tải file lên / Nhập link URL
   - Vùng nhập nội dung, upload file, nhập URL
   - Nút Hủy bỏ và Lưu tài liệu
   Lưu ý:
   - Chỉ sử dụng cho module Documents
   - Không chỉnh sửa layout chung như sidebar/header tại khu vực này
   ------------------------------------------------------------- */
.documents-page {
    width: 100%;
    max-width: 1080px;
    margin: 24px auto 32px;
    padding: 28px 30px 24px;
    background: linear-gradient(180deg, #fdfcff 0%, #faf7ff 100%);
    border: 1px solid #eee8ff;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(93, 64, 155, 0.04);
}

main:has(.documents-page) {
    background: #f8fafc;
}

.documents-header {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 24px;
}

    .documents-header h1 {
        margin-bottom: 8px;
        color: #0f172a;
        font-size: 28px;
        font-weight: 700;
        line-height: 1.2;
        letter-spacing: -0.03em;
    }

    .documents-header p {
        margin: 0;
        color: #64748b;
        font-size: 14px;
    }

.back-icon-button {
    width: 32px;
    height: 32px;
    margin-top: 2px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #475569;
    text-decoration: none;
    background: transparent;
    transition: all 0.2s ease;
}

    .back-icon-button:hover {
        background: #e2e8f0;
        color: #0037b0;
    }

    .back-icon-button .material-symbols-outlined {
        font-size: 22px;
    }

.document-form-card {
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid #ede7ff;
    border-radius: 16px;
    padding: 24px;
    box-shadow: none;
}

    .document-form-card form {
        width: 100%;
    }

    .document-form-card .document-fields {
        display: flex !important;
        flex-direction: column !important;
        gap: 18px !important;
        width: 100% !important;
        margin-bottom: 22px !important;
    }

    .document-form-card .document-field {
        display: flex !important;
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 8px !important;
        width: 100% !important;
    }

    .document-form-card .document-label {
        display: block !important;
        width: 100% !important;
        margin: 0 !important;
        color: #0f172a !important;
        font-size: 13px !important;
        font-weight: 700 !important;
    }

    .document-form-card .document-control {
        display: block !important;
        width: 100% !important;
        max-width: none !important;
        min-height: 42px !important;
        border: 1px solid #e5ddfb !important;
        border-radius: 8px !important;
        padding: 11px 14px !important;
        color: #0f172a !important;
        background: rgba(255, 255, 255, 0.92) !important;
        font-size: 13.5px !important;
        box-sizing: border-box !important;
        outline: none !important;
    }

        .document-form-card .document-control:focus {
            border-color: #0037b0 !important;
            box-shadow: 0 0 0 3px rgba(0, 55, 176, 0.12) !important;
        }

    .document-form-card textarea.document-control {
        min-height: 74px !important;
        resize: vertical !important;
    }

.document-tabs {
    margin-top: 2px;
    border: 1px solid #ebe4ff;
    border-radius: 12px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.55);
}

.tab-header {
    display: flex;
    min-height: 48px;
    background: #faf7ff;
    border-bottom: 1px solid #e6ddff;
}

.tab-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: none;
    border-bottom: 2px solid transparent;
    padding: 12px 22px;
    color: #64748b;
    background: transparent;
    font-size: 13px;
    font-weight: 700;
    transition: all 0.2s ease;
}

    .tab-btn:hover {
        color: #0037b0;
        background: #f1f5f9;
    }

    .tab-btn.active {
        color: #0037b0;
        background: #ffffff;
        border-bottom-color: #0037b0;
    }

    .tab-btn .material-symbols-outlined {
        font-size: 17px;
    }

.tab-content-box {
    width: 100% !important;
    padding: 22px;
    background: rgba(255, 255, 255, 0.60);
}

.tab-panel {
    display: none;
}

    .tab-panel.active {
        display: block;
    }

.textarea-wrapper,
.document-form-card .textarea-wrapper {
    position: relative !important;
    width: 100% !important;
}

.document-form-card .document-content-textarea {
    display: block !important;
    width: 100% !important;
    max-width: none !important;
    min-height: 160px !important;
    border: 1px solid #e5ddfb !important;
    border-radius: 8px !important;
    padding: 14px !important;
    padding-bottom: 44px !important;
    color: #0f172a !important;
    background: rgba(255, 255, 255, 0.92) !important;
    font-size: 13.5px !important;
    resize: vertical !important;
    box-sizing: border-box !important;
    outline: none !important;
}

    .document-form-card .document-content-textarea:focus {
        border-color: #0037b0 !important;
        box-shadow: 0 0 0 3px rgba(0, 55, 176, 0.12) !important;
    }

.char-counter {
    position: absolute;
    right: 16px !important;
    bottom: 14px !important;
    padding: 5px 9px;
    border: 1px solid #e2e8f0;
    border-radius: 999px;
    color: #7b8aa0;
    background: #ffffff;
    font-size: 11.5px;
}

.ai-note {
    width: 100% !important;
    margin-top: 14px;
    padding: 12px 14px;
    border: 1px solid #b8cdfd;
    border-radius: 8px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: #0037b0;
    background: linear-gradient(90deg, #eef4ff 0%, #f5f0ff 100%);
    font-size: 13px;
}

    .ai-note .material-symbols-outlined {
        font-size: 18px;
    }

.upload-box {
    border: 2px dashed #cbd5e1;
    border-radius: 16px;
    padding: 48px 24px;
    text-align: center;
    background: #f8fafc;
    transition: all 0.2s ease;
}

    .upload-box:hover {
        border-color: #0037b0;
        background: #f5f8ff;
    }

.upload-icon {
    width: 68px;
    height: 68px;
    margin: 0 auto 16px;
    border-radius: 999px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #0037b0;
    background: #e8eefc;
}

    .upload-icon .material-symbols-outlined {
        font-size: 34px;
    }

.upload-box h3 {
    margin-bottom: 8px;
    color: #111827;
    font-size: 20px;
    font-weight: 700;
}

.upload-box p {
    margin-bottom: 20px;
    color: #64748b;
}

.btn-upload,
.btn-save-document {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: none;
    border-radius: 9px;
    padding: 12px 18px;
    color: #ffffff;
    background: #0037b0;
    font-size: 13.5px;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

    .btn-upload:hover,
    .btn-save-document:hover {
        color: #ffffff;
        background: #002b8c;
    }

.btn-save-document {
    box-shadow: 0 8px 18px rgba(0, 55, 176, 0.16);
}

    .btn-save-document .material-symbols-outlined {
        font-size: 17px;
    }

.url-input-row {
    display: flex;
    gap: 12px;
}

.url-input-wrapper {
    position: relative;
    flex: 1;
}

    .url-input-wrapper .material-symbols-outlined {
        position: absolute;
        left: 18px;
        top: 50%;
        color: #94a3b8;
        font-size: 20px;
        transform: translateY(-50%);
        pointer-events: none;
    }

.url-control {
    padding-left: 52px !important;
}

.btn-get-content {
    border: none;
    border-radius: 12px;
    padding: 0 20px;
    color: #1e293b;
    background: #e2e8f0;
    font-weight: 700;
}

.url-hint {
    margin-top: 10px;
    color: #64748b;
    font-size: 13px;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 22px;
    padding-top: 22px;
    border-top: 1px solid #e6ddff;
}

.btn-cancel {
    border-radius: 12px;
    padding: 11px 16px;
    color: #475569;
    font-size: 13.5px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.2s ease;
}

    .btn-cancel:hover {
        color: #111827;
        background: #f1f5f9;
    }

@media (max-width: 768px) {
    .documents-page {
        padding: 28px 18px;
    }

    .documents-header {
        flex-direction: column;
    }

    .tab-header {
        flex-direction: column;
    }

    .tab-btn {
        width: 100%;
        justify-content: flex-start;
    }

    .url-input-row {
        flex-direction: column;
    }

    .btn-get-content {
        padding: 12px 18px;
    }

    .form-actions {
        flex-direction: column-reverse;
    }

    .btn-save-document,
    .btn-cancel {
        width: 100%;
        justify-content: center;
    }
}
.document-form-card .url-input-wrapper .url-control {
    padding-left: 52px !important;
}

/* --- Dark Mode Overrides for Create Document Page --- */
.dark main:has(.documents-page) {
    background: #0f172a;
}

.dark .documents-page {
    background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
    border-color: #334155;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.dark .documents-header h1 {
    color: #f8fafc;
}

.dark .documents-header p {
    color: #94a3b8;
}

.dark .back-icon-button {
    color: #94a3b8;
}

.dark .back-icon-button:hover {
    background: #1e293b;
    color: #3b82f6;
}

.dark .document-form-card {
    background: rgba(15, 23, 42, 0.6);
    border-color: #334155;
}

.dark .document-form-card .document-label {
    color: #e2e8f0 !important;
}

.dark .document-form-card .document-control {
    color: #f8fafc !important;
    background: rgba(15, 23, 42, 0.8) !important;
    border-color: #334155 !important;
}

.dark .document-form-card .document-control::placeholder {
    color: #475569;
}

.dark .document-form-card .document-control:focus {
    border-color: #3b82f6 !important;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.25) !important;
}

.dark .document-tabs {
    border-color: #334155;
    background: rgba(15, 23, 42, 0.4);
}

.dark .tab-header {
    background: #1e293b;
    border-bottom-color: #334155;
}

.dark .tab-btn {
    color: #94a3b8;
}

.dark .tab-btn:hover {
    color: #60a5fa;
    background: #1e293b;
}

.dark .tab-btn.active {
    color: #60a5fa;
    background: #0f172a;
    border-bottom-color: #60a5fa;
}

.dark .tab-content-box {
    background: rgba(15, 23, 42, 0.5);
}

.dark .document-form-card .document-content-textarea {
    color: #f8fafc !important;
    background: rgba(15, 23, 42, 0.8) !important;
    border-color: #334155 !important;
}

.dark .document-form-card .document-content-textarea::placeholder {
    color: #475569;
}

.dark .document-form-card .document-content-textarea:focus {
    border-color: #3b82f6 !important;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.25) !important;
}

.dark .char-counter {
    border-color: #334155;
    color: #94a3b8;
    background: #1e293b;
}

.dark .ai-note {
    border-color: #1e3a8a;
    color: #60a5fa;
    background: linear-gradient(90deg, #172554 0%, #1e1b4b 100%);
}

.dark .upload-box {
    border-color: #475569;
    background: #0f172a;
}

.dark .upload-box:hover {
    border-color: #60a5fa;
    background: #1e293b;
}

.dark .upload-box h3 {
    color: #f8fafc;
}

.dark .upload-box p {
    color: #94a3b8;
}

.dark .upload-icon {
    color: #60a5fa;
    background: #1e293b;
}

.dark .btn-upload,
.dark .btn-save-document {
    background: #2563eb;
}

.dark .btn-upload:hover,
.dark .btn-save-document:hover {
    background: #1d4ed8;
}

.dark .btn-cancel {
    color: #94a3b8;
}

.dark .btn-cancel:hover {
    color: #f8fafc;
    background: #1e293b;
}


/* -------------------------------------------------------------
   6. MODULE TÀI LIỆU - DOCUMENT MANAGEMENT PAGE
   Người thực hiện: Lê An
   Phạm vi sử dụng:
   - Views/Documents/Index.cshtml
   - Trang "Tài liệu" / "Quản lý tài liệu"
   Mục đích:
   - Định dạng thanh tìm kiếm, bộ lọc tài liệu
   - Hiển thị danh sách card tài liệu
   - Nút thêm tài liệu và nút tạo đề
   Lưu ý:
   - Chỉ sử dụng cho module Documents
   - Không chỉnh sửa layout chung như sidebar/header tại khu vực này
   ------------------------------------------------------------- */
.documents-index-page {
    width: 100%;
    max-width: 1120px;
    margin: 0 auto;
    padding: 22px 28px 42px;
}

.documents-index-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 18px;
}

    .documents-index-header h1 {
        margin: 0;
        color: #0f172a;
        font-size: 24px;
        font-weight: 700;
    }

.documents-toolbar {
    display: grid;
    grid-template-columns: 360px auto 190px;
    align-items: center;
    gap: 14px;
    margin-bottom: 28px;
}

.document-search-box {
    position: relative;
    width: 100%;
}

    .document-search-box .material-symbols-outlined {
        position: absolute;
        left: 14px;
        top: 50%;
        color: #64748b;
        font-size: 22px;
        transform: translateY(-50%);
    }

    .document-search-box input {
        width: 100%;
        height: 46px;
        border: 1px solid #dbe3ef;
        border-radius: 10px;
        padding: 0 16px 0 46px;
        color: #0f172a;
        background: #ffffff;
        font-size: 14px;
        outline: none;
    }

        .document-search-box input:focus {
            border-color: #0037b0;
            box-shadow: 0 0 0 3px rgba(0, 55, 176, 0.1) !important;
        }

.document-filter-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.document-filter {
    height: 46px;
    border: 1px solid #cfdcff;
    border-radius: 10px;
    padding: 0 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: #1e3a8a;
    background: #ffffff;
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
    white-space: nowrap;
    min-width: 76px;
    transition: all 0.2s ease;
}

    .document-filter:hover,
    .document-filter.active {
        color: #0037b0;
        background: #eef4ff;
        border-color: #9db8ff;
        text-decoration: none;
        box-shadow: 0 6px 14px rgba(0, 55, 176, 0.08);
    }

    .document-filter:not(.active) {
        color: #334155;
        background: #ffffff;
    }

    .document-filter .material-symbols-outlined {
        font-size: 18px;
        color: inherit;
    }

.btn-add-document {
    width: 190px;
    height: 52px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: #ffffff;
    background: #0037b0;
    text-decoration: none;
    font-size: 14px;
    font-weight: 700;
    box-shadow: 0 10px 22px rgba(0, 55, 176, 0.18);
    transition: all 0.2s ease;
}

    .btn-add-document:hover {
        color: #ffffff;
        background: #002b8c;
    }

    .btn-add-document .material-symbols-outlined {
        font-size: 22px;
    }

.document-card-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

.document-card {
    position: relative;
    min-height: 220px;
    border: 1px solid #e5edf7;
    border-radius: 18px;
    padding: 24px;
    background: #ffffff;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.04);
    transition: all 0.2s ease;
}

    .document-card:hover {
        transform: translateY(-2px);
        box-shadow: 0 14px 32px rgba(15, 23, 42, 0.08);
    }

.document-more-btn {
    position: absolute;
    top: 18px;
    right: 16px;
    border: none;
    padding: 4px;
    color: #94a3b8;
    background: transparent;
}

    .document-more-btn .material-symbols-outlined {
        font-size: 22px;
    }

.document-type-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 18px;
    border-radius: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
}

    .document-type-icon .material-symbols-outlined {
        font-size: 24px;
    }

    .document-type-icon.pdf {
        color: #ef4444;
        background: #ffe4e4;
    }

    .document-type-icon.docx {
        color: #0037b0;
        background: #dbe7ff;
    }

    .document-type-icon.url {
        color: #47617a;
        background: #edf2f7;
    }

.document-card h2 {
    min-height: 52px;
    margin: 0 0 14px;
    color: #0f172a;
    font-size: 17px;
    font-weight: 700;
    line-height: 1.35;
}

.document-meta {
    display: flex;
    align-items: center;
    gap: 18px;
    margin-bottom: 22px;
    color: #475569;
    font-size: 13px;
}

    .document-meta span {
        display: inline-flex;
        align-items: center;
        gap: 5px;
    }

    .document-meta .material-symbols-outlined {
        font-size: 15px;
    }


.document-card-actions {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
}

.btn-create-quiz {
    width: 100%;
    height: 38px;
    border: 1.5px solid #0037b0;
    border-radius: 8px;
    color: #0037b0;
    background: #ffffff;
    font-size: 14px;
    font-weight: 700;
    transition: all 0.2s ease;
}

.btn-view-document {
    width: 100%;
    height: 38px;
    border: 1.5px solid #d8d9f8;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #0037b0;
    background: #f7f6ff;
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.2s ease;
}

    .btn-view-document:hover {
        color: #ffffff;
        background: #0037b0;
        border-color: #0037b0;
    }

    .btn-create-quiz:hover {
        color: #ffffff;
        background: #0037b0;
    }

.documents-empty-state {
    grid-column: 1 / -1;
    min-height: 280px;
    border: 1px dashed #cfd7ec;
    border-radius: 18px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: #64748b;
    background: #fbfaff;
    text-align: center;
    padding: 36px 24px;
}

    .documents-empty-state > .material-symbols-outlined {
        font-size: 48px;
        color: #94a3b8;
    }

    .documents-empty-state h2 {
        margin: 0;
        color: #0f172a;
        font-size: 20px;
        font-weight: 800;
    }

    .documents-empty-state p {
        margin: 0 0 10px;
        color: #64748b;
        font-size: 14px;
    }

@media (max-width: 992px) {
    .documents-toolbar {
        grid-template-columns: 1fr;
    }

    .btn-add-document {
        width: 100%;
    }

    .document-card-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .documents-index-page {
        padding: 28px 18px;
    }

    .documents-index-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .document-filter-group {
        width: 100%;
        overflow-x: auto;
        padding-bottom: 4px;
    }

    .document-card-grid {
        grid-template-columns: 1fr;
    }
}
/* Documents Index - polish gần thiết kế Stitch */
.document-filter {
    background: #fbf8ff;
    border-color: #dcd4ff;
}

    .document-filter:hover,
    .document-filter.active {
        background: #f3edff;
        border-color: #9b7cff;
        color: #0037b0;
        box-shadow: 0 6px 14px rgba(139, 92, 246, 0.12);
    }

.document-card {
    min-height: 180px;
    padding: 18px 20px;
    cursor: pointer;
}

.document-more-wrapper,
.document-card-actions,
.btn-create-quiz {
    cursor: default;
}

.btn-create-quiz,
.document-more-btn,
.document-more-menu a,
.document-more-menu button {
    cursor: pointer;
}

.document-type-icon {
    margin-bottom: 14px;
}

.document-card h2 {
    min-height: 44px;
    margin-bottom: 10px;
}

.document-meta {
    margin-bottom: 18px;
    gap: 14px;
}

.document-card-actions {
    gap: 0;
}

.btn-view-document,
.btn-create-quiz {
    height: 36px;
}
/* Documents Index - menu 3 chấm */
.document-more-wrapper {
    position: absolute;
    top: 18px;
    right: 16px;
    z-index: 5;
}

.document-more-menu {
    position: absolute;
    top: 34px;
    right: 0;
    width: 160px;
    padding: 6px;
    border: 1px solid #e5edf7;
    border-radius: 12px;
    background: #ffffff;
    box-shadow: 0 14px 32px rgba(15, 23, 42, 0.14);
    display: none;
}

.document-more-wrapper.is-open .document-more-menu {
    display: block;
}

.document-more-menu a,
.document-more-menu button {
    width: 100%;
    min-height: 36px;
    border: none;
    border-radius: 8px;
    padding: 0 10px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: #334155;
    background: transparent;
    font-size: 13px;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
}

    .document-more-menu a:hover,
    .document-more-menu button:hover {
        color: #0037b0;
        background: #f3edff;
    }

.document-more-menu .material-symbols-outlined {
    font-size: 18px;
}

.document-more-menu button.delete-document-btn {
    color: #ef4444;
}

.document-more-menu button.delete-document-btn:hover {
    color: #dc2626;
    background: #fef2f2;
}

/* =========================================================
   7. MODULE TÀI LIỆU - DOCUMENT DETAIL PAGE
   Người thực hiện: Lê An
   Phạm vi sử dụng:
   - Views/Documents/Details.cshtml
   - Trang "Chi tiết tài liệu"
   Mục đích:
   - Hiển thị preview tài liệu
   - Danh sách bộ đề đã tạo
   - Phân tích nhanh tài liệu
   --------------------------------------------------------- */

.stitch-document-text {
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.stitch-readable-text {
    white-space: normal;
}

.stitch-readable-text p {
    margin: 0 0 14px;
    color: #1f2937;
    font-size: 14px;
    line-height: 1.8;
}

.stitch-readable-text p:last-child {
    margin-bottom: 0;
}

.stitch-readable-list {
    margin: 0 0 14px 20px;
    padding: 0;
    color: #1f2937;
    font-size: 14px;
    line-height: 1.75;
}

.stitch-readable-list li {
    margin-bottom: 6px;
}

.stitch-word-table-wrap {
    width: 100%;
    margin: 16px 0 20px;
    border: 1px solid #dbe5f5;
    border-radius: 8px;
    overflow-x: auto;
    background: #ffffff;
}

.stitch-word-table {
    width: 100%;
    min-width: 640px;
    border-collapse: collapse;
    color: #1f2937;
    font-size: 12.5px;
    line-height: 1.5;
}

.stitch-word-table th,
.stitch-word-table td {
    border: 1px solid #e2e8f0;
    padding: 8px 10px;
    text-align: left;
    vertical-align: top;
}

.stitch-word-table th {
    color: #0f172a;
    background: #eef4ff;
    font-weight: 800;
}

.stitch-word-table tbody tr:nth-child(even) {
    background: #f8fafc;
}

.stitch-url-source-inline {
    margin-bottom: 18px;
    border: 1px solid #dbe5f5;
    border-radius: 10px;
    padding: 10px 12px;
    display: grid;
    gap: 4px;
    background: #f8fbff;
}

.stitch-url-source-inline span {
    color: #64748b;
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.stitch-url-source-inline a {
    color: #0037b0;
    font-size: 13px;
    font-weight: 700;
    text-decoration: none;
    overflow-wrap: anywhere;
}

.stitch-url-source-inline a:hover {
    text-decoration: underline;
}

.stitch-document-text-section {
    margin-bottom: 22px;
}

.stitch-document-text-section h4 {
    margin: 0 0 10px;
    color: #0f172a;
    font-size: 15px;
    font-weight: 800;
}

.stitch-source-text-section h4 {
    font-size: 0;
}

.stitch-source-text-section h4::after {
    content: "Văn bản có sẵn trong tài liệu";
    font-size: 15px;
}

.stitch-source-text-section.is-secondary {
    border: 1px dashed #dbe4f0;
    border-radius: 10px;
    padding: 12px 14px;
    color: #64748b;
    background: #f8fafc;
}

.stitch-source-text-section.is-secondary h4::after {
    color: #64748b;
}

.stitch-image-text-section {
    border-top: 1px solid #e5e7eb;
    padding-top: 18px;
}

.stitch-image-recognized-text {
    border: 1px solid #dbeafe;
    border-radius: 12px;
    padding: 16px;
    color: #0f172a;
    background: #f8fbff;
    line-height: 1.7;
}

.stitch-image-ai-note,
.stitch-image-unreadable-note {
    margin-bottom: 16px;
    border-radius: 10px;
    padding: 12px 14px;
    font-size: 13px;
    line-height: 1.55;
}

.stitch-image-ai-note {
    border: 1px solid #bfdbfe;
    display: flex;
    align-items: flex-start;
    gap: 8px;
    color: #1d4ed8;
    background: #eff6ff;
    font-weight: 700;
}

.stitch-image-ai-note .material-symbols-outlined {
    font-size: 19px;
}

.stitch-image-unreadable-note {
    border: 1px solid #fde68a;
    color: #92400e;
    background: #fffbeb;
}

.stitch-document-traits {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.stitch-document-traits div {
    border-bottom: 1px solid #eef2f7;
    padding: 11px 0;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
}

.stitch-document-traits div:first-child {
    padding-top: 0;
}

.stitch-document-traits div:last-child {
    border-bottom: 0;
    padding-bottom: 0;
}

.stitch-document-traits span {
    color: #64748b;
    font-size: 12.5px;
    font-weight: 700;
}

.stitch-document-traits strong {
    max-width: 55%;
    color: #0f172a;
    font-size: 13px;
    font-weight: 800;
    text-align: right;
}

.stitch-trait-status {
    border-radius: 999px;
    padding: 4px 9px;
}

.stitch-trait-status.success {
    color: #047857;
    background: #d1fae5;
}

.stitch-trait-status.warning {
    color: #92400e;
    background: #fef3c7;
}

.stitch-trait-status.danger {
    color: #b91c1c;
    background: #fee2e2;
}

.stitch-usage-suggestion {
    margin-top: 16px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 13px;
    background: #f8fafc;
}

.stitch-usage-suggestion.success {
    border-color: #bbf7d0;
    background: #f0fdf4;
}

.stitch-usage-suggestion.warning {
    border-color: #fde68a;
    background: #fffbeb;
}

.stitch-usage-suggestion.danger {
    border-color: #fecaca;
    background: #fef2f2;
}

.stitch-usage-suggestion-header {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 9px;
}

.stitch-usage-suggestion-header .material-symbols-outlined {
    font-size: 20px;
    color: #4f46e5;
}

.stitch-usage-suggestion.success .material-symbols-outlined {
    color: #059669;
}

.stitch-usage-suggestion.warning .material-symbols-outlined {
    color: #d97706;
}

.stitch-usage-suggestion.danger .material-symbols-outlined {
    color: #dc2626;
}

.stitch-usage-suggestion-header span:not(.material-symbols-outlined) {
    display: block;
    color: #64748b;
    font-size: 12px;
    font-weight: 700;
}

.stitch-usage-suggestion-header strong {
    display: block;
    color: #0f172a;
    font-size: 14px;
    font-weight: 800;
}

.stitch-usage-suggestion p {
    margin: 0;
    color: #475569;
    font-size: 12.5px;
    line-height: 1.55;
}

.stitch-usage-suggestion-meta {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin: 12px 0;
}

.stitch-usage-suggestion-meta div {
    border: 1px solid rgba(148, 163, 184, 0.3);
    border-radius: 8px;
    padding: 9px;
    background: rgba(255, 255, 255, 0.62);
}

.stitch-usage-suggestion-meta span,
.stitch-usage-suggestion-meta strong {
    display: block;
}

.stitch-usage-suggestion-meta span {
    margin-bottom: 3px;
    color: #64748b;
    font-size: 11.5px;
    font-weight: 700;
}

.stitch-usage-suggestion-meta strong {
    color: #0f172a;
    font-size: 12.5px;
    font-weight: 800;
}

.stitch-usage-suggestion-hint {
    padding-top: 10px;
    border-top: 1px solid rgba(148, 163, 184, 0.28);
}

.stitch-empty-quiz {
    min-height: 160px;
    border: 1px dashed #d7dcf0;
    border-radius: 12px;
    padding: 22px 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: #64748b;
    background: #fbfaff;
    text-align: center;
}

    .stitch-empty-quiz .material-symbols-outlined {
        color: #94a3b8;
        font-size: 34px;
    }

    .stitch-empty-quiz h4 {
        margin: 0;
        color: #0f172a;
        font-size: 14px;
        font-weight: 800;
    }

    .stitch-empty-quiz p {
        margin: 0;
        color: #64748b;
        font-size: 12.5px;
        line-height: 1.5;
    }

.document-detail-page.stitch-detail-page {
    width: 100%;
    min-height: calc(100vh - 64px);
    padding: 24px 28px 48px;
    background: linear-gradient(180deg, #fbf9ff 0%, #f7f3ff 100%);
}

.stitch-detail-header-card {
    width: 100%;
    border: 1px solid #e5ddff;
    border-radius: 14px;
    padding: 20px 22px;
    margin-bottom: 20px;
    background: rgba(255, 255, 255, 0.82);
    box-shadow: 0 12px 30px rgba(86, 72, 160, 0.06);
}

.stitch-detail-top,
.stitch-detail-title-row,
.stitch-document-meta,
.stitch-preview-toolbar,
.stitch-preview-tools,
.stitch-side-title,
.stitch-quiz-footer {
    display: flex;
    align-items: center;
}

.stitch-detail-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 10px;
}

.stitch-header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

    .stitch-header-actions form {
        margin: 0;
    }

.stitch-back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: #42526e;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
}

    .stitch-back-link:hover {
        color: #4f46e5;
    }

    .stitch-back-link .material-symbols-outlined,
    .stitch-delete-btn .material-symbols-outlined,
    .stitch-create-quiz-btn .material-symbols-outlined {
        font-size: 17px;
    }

.stitch-delete-btn {
    border: none;
    padding: 0;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: #ef4444;
    background: transparent;
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
}

    .stitch-delete-btn:hover {
        color: #dc2626;
    }

.stitch-detail-title-row {
    display: block;
}

    .stitch-detail-title-row h1 {
        margin: 0 0 10px;
        color: #0f172a;
        font-size: 25px;
        font-weight: 800;
        letter-spacing: -0.03em;
    }

.stitch-document-meta {
    gap: 14px;
    flex-wrap: wrap;
    color: #64748b;
    font-size: 13px;
}

    .stitch-document-meta span {
        display: inline-flex;
        align-items: center;
        gap: 5px;
    }

    .stitch-document-meta .material-symbols-outlined {
        font-size: 16px;
    }

.stitch-file-badge {
    padding: 4px 9px;
    border-radius: 7px;
    color: #ef4444;
    background: #ffe7e7;
    font-weight: 800;
}

.stitch-create-quiz-btn {
    height: 40px;
    border: none;
    border-radius: 10px;
    padding: 0 16px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #ffffff;
    background: #0037b0;
    font-size: 13px;
    font-weight: 800;
    cursor: pointer;
    box-shadow: 0 12px 22px rgba(0, 55, 176, 0.18);
}

.stitch-detail-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 20px;
    align-items: stretch;
}

.stitch-preview-card,
.stitch-side-card {
    border: 1px solid #e5ddff;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.86);
    box-shadow: 0 12px 30px rgba(86, 72, 160, 0.06);
}

.stitch-preview-card {
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.stitch-preview-toolbar {
    height: 46px;
    justify-content: space-between;
    padding: 0 18px;
    border-bottom: 1px solid #e8e3fb;
    background: #ffffff;
}

.stitch-preview-tools {
    gap: 10px;
    color: #475569;
    font-size: 12px;
    font-weight: 700;
}

    .stitch-preview-tools .material-symbols-outlined,
    .stitch-download-btn .material-symbols-outlined {
        font-size: 18px;
    }

.stitch-download-btn {
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #475569;
    background: transparent;
}

    .stitch-download-btn:hover {
        color: #0037b0;
        background: #f1f5ff;
    }

.stitch-document-viewer {
    min-height: 560px;
    flex: 1;
    padding: 22px 28px;
    background: #eef2f7;
    overflow: auto;
}
.stitch-document-page {
    width: min(720px, 100%);
    min-height: 760px;
    margin: 0 auto;
    padding: 54px 64px 90px;
    background: #ffffff;
    color: #0f172a;
    box-shadow: 0 8px 26px rgba(15, 23, 42, 0.08);
    overflow-wrap: anywhere;
}

    .stitch-document-page h2 {
        margin: 0 0 26px;
        text-align: center;
        color: #0f172a;
        font-size: 21px;
        font-weight: 800;
    }

    .stitch-document-page h3 {
        margin: 0 0 16px;
        color: #0f172a;
        font-size: 15px;
        font-weight: 800;
    }

    .stitch-document-page p {
        color: #1f2937;
        font-size: 14px;
        line-height: 1.8;
        margin-bottom: 14px;
    }

.stitch-placeholder-image {
    height: 170px;
    margin-top: 34px;
    border: 1px solid #cbd5e1;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #64748b;
    background: #f1f5f9;
    font-size: 13px;
}

.stitch-side-panel {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.stitch-side-card {
    padding: 18px;
}

.stitch-side-title {
    gap: 8px;
    margin-bottom: 14px;
}

    .stitch-side-title .material-symbols-outlined {
        color: #0037b0;
        font-size: 20px;
    }

    .stitch-side-title h3 {
        margin: 0;
        color: #0f172a;
        font-size: 17px;
        font-weight: 800;
    }

.stitch-quiz-card {
    padding: 14px;
    border: 1px solid #e4e9f3;
    border-radius: 12px;
    background: #ffffff;
    margin-bottom: 12px;
}

    .stitch-quiz-card:last-child {
        margin-bottom: 0;
    }

    .stitch-quiz-card h4 {
        margin: 0 0 12px;
        color: #0f172a;
        font-size: 13.5px;
        font-weight: 800;
        line-height: 1.45;
    }

    .stitch-quiz-card p {
        display: flex;
        align-items: center;
        gap: 7px;
        margin: 0 0 7px;
        color: #64748b;
        font-size: 12px;
        font-weight: 600;
    }

        .stitch-quiz-card p .material-symbols-outlined {
            font-size: 15px;
        }

.stitch-quiz-footer {
    justify-content: space-between;
    gap: 10px;
    margin-top: 12px;
}

.stitch-score {
    font-size: 11.5px;
    font-weight: 800;
}

    .stitch-score.good {
        color: #16a34a;
    }

    .stitch-score.pending {
        color: #64748b;
    }

.stitch-quiz-footer a {
    color: #0037b0;
    font-size: 12px;
    font-weight: 800;
    text-decoration: none;
    white-space: nowrap;
}

.stitch-analysis-list {
    display: flex;
    flex-direction: column;
}

    .stitch-analysis-list div {
        padding: 13px 0;
        border-bottom: 1px solid #e8e3fb;
    }

        .stitch-analysis-list div:first-child {
            padding-top: 0;
        }

        .stitch-analysis-list div:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

    .stitch-analysis-list span {
        display: block;
        margin-bottom: 6px;
        color: #64748b;
        font-size: 12.5px;
        font-weight: 700;
    }

    .stitch-analysis-list strong {
        color: #0f172a;
        font-size: 14px;
        font-weight: 800;
    }

@media (max-width: 1200px) {
    .stitch-detail-layout {
        grid-template-columns: 1fr;
    }

    .stitch-side-panel {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    .document-detail-page.stitch-detail-page {
        padding: 20px 16px 36px;
    }

    .stitch-detail-top {
        flex-direction: column;
        align-items: flex-start;
    }

    .stitch-header-actions {
        width: 100%;
        flex-direction: column;
        align-items: stretch;
    }

    .stitch-create-quiz-btn,
    .stitch-delete-btn {
        width: 100%;
        justify-content: center;
    }

    .stitch-document-viewer {
        padding: 18px 14px;
    }

    .stitch-document-page {
        padding: 36px 24px;
    }

    .stitch-side-panel {
        grid-template-columns: 1fr;
    }
}
/* MODULE TÀI LIỆU - DOCUMENT DETAIL PAGE */
.btn-open-document {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 16px;
    padding: 10px 16px;
    border-radius: 10px;
    background: #0b49d1;
    color: #fff;
    font-weight: 700;
    text-decoration: none;
}

    .btn-open-document:hover {
        color: #fff;
        filter: brightness(0.95);
    }

.stitch-placeholder-image .material-symbols-outlined {
    font-size: 36px;
    color: #64748b;
}

.stitch-placeholder-image p {
    margin: 8px 0 0;
    color: #64748b;
    font-weight: 600;
}
.stitch-file-preview-empty {
    width: 100%;
    min-height: 150px;
    padding: 24px;
    border: 1px dashed #b7c7ff;
    border-radius: 16px;
    background: linear-gradient(135deg, #f8fbff 0%, #f3f0ff 100%);
    display: flex;
    align-items: center;
    gap: 18px;
}

.stitch-file-preview-icon {
    width: 54px;
    height: 54px;
    border-radius: 16px;
    background: #e8efff;
    color: #0b49d1;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

    .stitch-file-preview-icon .material-symbols-outlined {
        font-size: 32px;
    }

.stitch-file-preview-content {
    flex: 1;
    min-width: 0;
}

    .stitch-file-preview-content h4 {
        margin: 0 0 6px;
        font-size: 16px;
        font-weight: 800;
        color: #07133f;
    }

    .stitch-file-preview-content p {
        margin: 0;
        font-size: 14px;
        line-height: 1.5;
        color: #64748b;
    }

.stitch-file-size {
    display: inline-flex;
    margin-top: 10px;
    font-size: 13px;
    font-weight: 700;
    color: #0b49d1;
}

.btn-open-document {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-width: 140px;
    padding: 12px 16px;
    border-radius: 12px;
    background: #0b49d1;
    color: #fff;
    font-size: 14px;
    font-weight: 800;
    text-decoration: none;
    box-shadow: 0 12px 24px rgba(11, 73, 209, 0.22);
    white-space: nowrap;
}

    .btn-open-document:hover {
        color: #fff;
        filter: brightness(0.96);
        transform: translateY(-1px);
    }

    .btn-open-document .material-symbols-outlined {
        font-size: 20px;
    }

@media (max-width: 768px) {
    .stitch-file-preview-empty {
        flex-direction: column;
        align-items: flex-start;
    }

    .btn-open-document {
        width: 100%;
    }
}
.stitch-file-badge.pdf {
    background: #fee2e2;
    color: #dc2626;
}

.stitch-file-badge.word {
    background: #dbeafe;
    color: #1d4ed8;
}

.stitch-file-badge.url {
    background: #eef3f8;
    color: #3f6f91;
}

.stitch-file-badge.excel {
    background: #dcfce7;
    color: #15803d;
}

.stitch-file-badge.text {
    background: #ffedd5;
    color: #ea580c;
}

/* Document Detail - compact URL preview */
.stitch-url-preview-card {
    max-width: 720px;
    margin: 32px auto;
    padding: 28px;
    border: 1px solid #e2e8f0;
    border-radius: 18px;
    display: flex;
    align-items: flex-start;
    gap: 18px;
    background: #ffffff;
    box-shadow: 0 12px 28px rgba(15, 23, 42, 0.06);
}

.stitch-url-icon {
    width: 54px;
    height: 54px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #0037b0;
    background: #eaf1ff;
    flex-shrink: 0;
}

    .stitch-url-icon .material-symbols-outlined {
        font-size: 30px;
    }

.stitch-url-content {
    min-width: 0;
    flex: 1;
}

.stitch-url-label {
    margin: 0 0 8px;
    color: #64748b;
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.stitch-url-content h2 {
    margin: 0 0 10px;
    color: #0f172a;
    font-size: 22px;
    font-weight: 800;
    line-height: 1.35;
}

.stitch-url-desc {
    margin: 0 0 14px;
    color: #64748b;
    font-size: 14px;
    line-height: 1.6;
}

.stitch-url-link {
    width: 100%;
    margin-bottom: 18px;
    padding: 12px 14px;
    border: 1px solid #dbe5f5;
    border-radius: 12px;
    display: block;
    color: #0037b0;
    background: #f8fbff;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    overflow-wrap: anywhere;
}

    .stitch-url-link:hover {
        color: #002b8c;
        background: #f1f6ff;
    }

.stitch-url-extracted-document {
    max-width: 720px;
    margin: 0 auto 32px;
}

.stitch-url-extraction-warning {
    border: 1px solid #fde68a;
    border-radius: 8px;
    padding: 13px 14px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: #92400e;
    background: #fffbeb;
}

.stitch-url-extraction-warning .material-symbols-outlined {
    font-size: 20px;
    flex-shrink: 0;
}

.stitch-url-extraction-warning p {
    margin: 0;
    font-size: 13px;
    line-height: 1.55;
}

@media (max-width: 768px) {
    .stitch-url-preview-card {
        flex-direction: column;
        margin: 20px auto;
        padding: 22px;
    }
}

/* Document Detail - shorten extracted text preview */
.stitch-document-text-wrapper {
    position: relative;
    overflow: hidden;
    transition: max-height 0.25s ease;
}

    .stitch-document-text-wrapper.collapsed {
        max-height: 520px;
    }

    .stitch-document-text-wrapper.expanded {
        max-height: none;
    }

.stitch-document-fade {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 90px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0), #ffffff 85%);
    pointer-events: none;
}

.stitch-document-text-wrapper.expanded .stitch-document-fade {
    display: none;
}

.btn-toggle-document-text {
    margin: 18px auto 0;
    border: 1.5px solid #d8d9f8;
    border-radius: 10px;
    padding: 10px 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #0037b0;
    background: #f7f6ff;
    font-size: 14px;
    font-weight: 800;
    cursor: pointer;
    transition: all 0.2s ease;
}

    .btn-toggle-document-text:hover {
        color: #ffffff;
        background: #0037b0;
        border-color: #0037b0;
    }
.document-card-description {
    margin: 8px 0 0;
    color: #6b7280;
    font-size: 0.9rem;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    overflow: hidden;
}

.document-detail-description {
    margin: 8px 0 14px;
    color: #6b7280;
    font-size: 0.98rem;
    line-height: 1.6;
    max-width: 760px;
}

/* -------------------------------------------------------------
   8. MODULE TAI KHOAN - LOGIN / REGISTER / FORGOT PASSWORD
   ------------------------------------------------------------- */
.auth-body {
    min-height: 100vh;
    margin: 0;
    color: #07133f;
    background:
        linear-gradient(115deg, rgba(232, 239, 255, 0.72) 0%, rgba(248, 250, 252, 0.96) 34%, rgba(239, 242, 255, 0.86) 100%);
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.auth-body *,
.auth-body *::before,
.auth-body *::after {
    box-sizing: border-box;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.auth-shell {
    width: 100%;
    min-height: 100vh;
    padding: 42px 20px 64px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.auth-shell-login {
    justify-content: center;
    padding-top: 32px;
    padding-bottom: 32px;
}

.auth-shell-register {
    justify-content: center;
    padding-top: 32px;
    padding-bottom: 32px;
    background: #f7f9fc;
}

.auth-shell-forgot {
    justify-content: center;
    background: #f7f9fc;
}

.auth-brand,
.auth-card-brand {
    text-align: center;
}

.auth-brand {
    margin: 0 0 28px;
    padding-top: 0;
}

.auth-brand a,
.auth-card-brand a {
    color: #0037b0;
    font-size: 31px;
    font-weight: 800;
    line-height: 1.1;
    text-decoration: none;
}

.auth-brand p,
.auth-card-brand p {
    margin: 7px 0 0;
    color: #5f6d86;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.01em;
}

.auth-card {
    width: min(100%, 490px);
    border: 1px solid #e8edf6;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 18px 42px rgba(30, 41, 59, 0.08);
    overflow: hidden;
}

.auth-card-login {
    margin-top: 0;
}

.auth-card-register {
    width: min(100%, 492px);
}

.auth-card-forgot {
    width: min(100%, 460px);
    padding-bottom: 26px;
}

.auth-card-brand {
    padding: 28px 32px 24px;
}

.auth-card-brand a {
    font-size: 24px;
}

.auth-card-brand p {
    text-transform: uppercase;
    color: #1e2f52;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.12em;
}

.auth-tabs {
    height: 52px;
    border-top: 1px solid #eef2f7;
    border-bottom: 1px solid #e6ebf3;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    background: #fbfcff;
}

.auth-card-login .auth-tabs {
    border-top: none;
}

.auth-tab {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #334155;
    font-size: 14px;
    font-weight: 800;
    text-decoration: none;
}

.auth-tab:hover {
    color: #0037b0;
    text-decoration: none;
}

.auth-tab.active {
    color: #0037b0;
}

.auth-tab.active::after {
    content: "";
    position: absolute;
    left: 26px;
    right: 26px;
    bottom: -1px;
    height: 2px;
    border-radius: 999px 999px 0 0;
    background: #0037b0;
}

.auth-form {
    padding: 26px 32px 30px;
    width: 100%;
}

.auth-field {
    margin-bottom: 17px;
}

.auth-label-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.auth-label {
    display: block;
    margin-bottom: 7px;
    color: #334155;
    font-size: 12px;
    font-weight: 800;
}

.auth-shell-login .auth-label {
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.auth-small-link,
.auth-checkline a,
.auth-card-footer a,
.auth-guest-link {
    color: #0037b0;
    font-weight: 700;
    text-decoration: none;
}

.auth-small-link {
    margin-bottom: 7px;
    font-size: 12px;
}

.auth-small-link:hover,
.auth-checkline a:hover,
.auth-card-footer a:hover,
.auth-guest-link:hover {
    color: #002b8c;
    text-decoration: none;
}

.auth-input-wrap {
    position: relative;
    width: 100%;
}

.auth-input {
    display: block;
    width: 100%;
    max-width: 100%;
    height: 44px;
    border: 1px solid #dfe6f0;
    border-radius: 8px;
    padding: 0 14px;
    color: #07133f;
    background: #ffffff;
    font-size: 14px;
    font-weight: 500;
    outline: none;
}

.auth-input::placeholder {
    color: #9aa7bd;
}

.auth-input:focus {
    border-color: #0037b0;
    box-shadow: 0 0 0 3px rgba(0, 55, 176, 0.10) !important;
}

.auth-input[readonly] {
    background: #f8fafc;
    color: #475569;
}

.auth-input.has-leading-icon {
    padding-left: 42px;
}

.auth-input.has-trailing-icon {
    padding-right: 42px;
}

.auth-input-icon {
    position: absolute;
    left: 13px;
    top: 50%;
    color: #8996aa;
    font-size: 21px;
    transform: translateY(-50%);
    pointer-events: none;
}

.auth-icon-button {
    position: absolute;
    right: 10px;
    top: 50%;
    width: 28px;
    height: 28px;
    border: none;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #7b8798;
    background: transparent;
    cursor: pointer;
    transform: translateY(-50%);
}

.auth-icon-button:hover {
    color: #0037b0;
    background: #eef4ff;
}

.auth-icon-button .material-symbols-outlined {
    font-size: 20px;
}

.auth-checkline {
    margin: 2px 0 22px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: #52627a;
    font-size: 13px;
    line-height: 1.45;
}

.auth-action-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 2px 0 22px;
}

.auth-action-row .auth-checkline {
    margin: 0;
}

.auth-action-row .auth-small-link {
    margin-bottom: 0;
}

.auth-checkbox {
    width: 16px;
    height: 16px;
    margin-top: 1px;
    border: 1px solid #cbd5e1;
    border-radius: 4px;
    accent-color: #0037b0;
    flex: 0 0 auto;
}

.auth-primary-button {
    width: 100%;
    max-width: 100%;
    min-height: 44px;
    border: none;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: #ffffff;
    background: #0037b0;
    font-size: 14px;
    font-weight: 800;
    text-decoration: none;
    cursor: pointer;
    box-shadow: 0 12px 22px rgba(0, 55, 176, 0.16);
}

.auth-primary-button:hover {
    color: #ffffff;
    background: #002f96;
    text-decoration: none;
}

.auth-primary-button .material-symbols-outlined {
    font-size: 20px;
}

.auth-primary-button.as-link {
    width: auto;
    min-width: 190px;
    margin: 0 32px;
}

.auth-divider {
    margin: 25px 0 22px;
    display: flex;
    align-items: center;
    gap: 16px;
    color: #9aa7bd;
    font-size: 13px;
}

.auth-divider::before,
.auth-divider::after {
    content: "";
    height: 1px;
    background: #e8edf4;
    flex: 1;
}

.auth-social-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.auth-social-stack {
    display: grid;
    gap: 12px;
}

.auth-social-button {
    width: 100%;
    max-width: 100%;
    min-height: 42px;
    border: 1px solid #e4eaf2;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: #15233f;
    background: #f1f5f9;
    font-size: 14px;
    font-weight: 800;
}

.auth-social-button:disabled {
    cursor: not-allowed;
    opacity: 0.9;
}

.auth-social-mark {
    width: 18px;
    height: 18px;
    border-radius: 4px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    background: #111827;
    font-size: 11px;
    font-weight: 800;
}

.auth-guest-link {
    width: 100%;
    margin-top: 26px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-size: 14px;
}

.auth-guest-link .material-symbols-outlined {
    font-size: 18px;
}

.auth-card-footer {
    padding: 22px 32px 26px;
    border-top: 1px solid #f1f4f8;
    color: #52627a;
    background: #fbfcff;
    font-size: 14px;
    text-align: center;
}

.auth-panel-heading {
    padding: 0 32px;
    margin: 24px 0 4px;
}

.auth-panel-heading.centered {
    text-align: center;
}

.auth-panel-heading h1 {
    margin: 0 0 8px;
    color: #07133f;
    font-size: 23px;
    font-weight: 800;
    line-height: 1.25;
}

.auth-panel-heading p {
    margin: 0;
    color: #64748b;
    font-size: 14px;
    line-height: 1.55;
}

.auth-status-icon {
    width: 54px;
    height: 54px;
    margin: 28px auto 18px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #0037b0;
    background: #e8efff;
}

.auth-status-icon.success {
    color: #16a34a;
    background: #dcfce7;
}

.auth-status-icon .material-symbols-outlined {
    font-size: 31px;
}

.auth-dev-link-box {
    margin: 24px 32px;
    padding: 14px;
    border: 1px solid #cbd7ff;
    border-radius: 8px;
    background: #f5f8ff;
}

.auth-dev-label {
    display: block;
    margin-bottom: 8px;
    color: #334155;
    font-size: 12px;
    font-weight: 800;
}

.auth-dev-link-box a {
    display: block;
    color: #0037b0;
    font-size: 13px;
    font-weight: 700;
    overflow-wrap: anywhere;
    text-decoration: none;
}

.auth-validation-summary {
    margin-bottom: 16px;
    color: #b91c1c;
    font-size: 13px;
    font-weight: 700;
}

.auth-validation-summary ul {
    margin: 0;
    padding-left: 18px;
}

.auth-error {
    display: block;
    margin-top: 6px;
    color: #dc2626;
    font-size: 12px;
    font-weight: 700;
}

@media (max-width: 640px) {
    .auth-shell {
        padding: 28px 14px 44px;
    }

    .auth-brand a {
        font-size: 27px;
    }

    .auth-card {
        border-radius: 9px;
    }

    .auth-form,
    .auth-card-brand,
    .auth-card-footer,
    .auth-panel-heading {
        padding-left: 22px;
        padding-right: 22px;
    }

    .auth-social-row {
        grid-template-columns: 1fr;
    }

    .auth-primary-button.as-link {
        width: calc(100% - 44px);
        margin: 0 22px;
    }

    .auth-dev-link-box {
        margin-left: 22px;
        margin-right: 22px;
    }
}

/* Option Card Transition in Exam Page */
.option-card {
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Custom CSS for Public/Private Toggle button */
.btn-toggle-public {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.2s ease;
}
.btn-toggle-public.public {
    background-color: #dcfce7;
    color: #15803d;
    border-color: #bbf7d0;
}
.btn-toggle-public.public:hover {
    background-color: #bbf7d0;
}
.btn-toggle-public.private {
    background-color: #f1f5f9;
    color: #475569;
    border-color: #cbd5e1;
}
.btn-toggle-public.private:hover {
    background-color: #e2e8f0;
}
.btn-toggle-public .material-symbols-outlined {
    font-size: 16px;
}

/* -------------------------------------------------------------
   9. DARK MODE OVERRIDES - bổ sung chế độ tối cho các class CSS tùy chỉnh
   ------------------------------------------------------------- */
.dark body {
    background-color: #131b2e !important;
}

/* Documents Index Page */
.dark .documents-index-header h1 {
    color: #cad3ff;
}
.dark .document-search-box input {
    background: #0d1c2f;
    color: #cad3ff;
    border-color: #3a485c;
}
.dark .document-search-box input:focus {
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2) !important;
}
.dark .document-filter {
    background: #0d1c2f;
    border-color: #3a485c;
    color: #b9c7e0;
}
.dark .document-filter:hover,
.dark .document-filter.active {
    background: rgba(59, 130, 246, 0.1);
    border-color: #3b82f6;
    color: #3b82f6;
    box-shadow: 0 6px 14px rgba(59, 130, 246, 0.15);
}
.dark .btn-add-document {
    background: #2563eb;
}
.dark .btn-add-document:hover {
    background: #1d4ed8;
}
.dark .document-card {
    background: #0d1c2f;
    border-color: #3a485c;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}
.dark .document-card:hover {
    box-shadow: 0 14px 32px rgba(0, 0, 0, 0.3);
}
.dark .document-type-icon.pdf {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
}
.dark .document-type-icon.docx {
    background: rgba(59, 130, 246, 0.15);
    color: #60a5fa;
}
.dark .document-type-icon.url {
    background: rgba(148, 163, 184, 0.15);
    color: #94a3b8;
}
.dark .document-card h2 {
    color: #cad3ff;
}
.dark .document-meta {
    color: #b9c7e0;
}
.dark .btn-create-quiz {
    background: transparent;
    color: #3b82f6;
    border-color: #3b82f6;
}
.dark .btn-create-quiz:hover {
    background: #3b82f6;
    color: #ffffff;
}
.dark .btn-view-document {
    background: rgba(59, 130, 246, 0.1);
    color: #60a5fa;
    border-color: rgba(59, 130, 246, 0.3);
}
.dark .btn-view-document:hover {
    background: #3b82f6;
    color: #ffffff;
    border-color: #3b82f6;
}
.dark .document-more-menu {
    background: #0d1c2f;
    border-color: #3a485c;
    box-shadow: 0 14px 32px rgba(0, 0, 0, 0.4);
}
.dark .document-more-menu a,
.dark .document-more-menu button {
    color: #b9c7e0;
}
.dark .document-more-menu a:hover,
.dark .document-more-menu button:hover {
    background: rgba(59, 130, 246, 0.15);
    color: #3b82f6;
}
.dark .document-more-menu button.delete-document-btn {
    color: #f87171;
}
.dark .document-more-menu button.delete-document-btn:hover {
    color: #ef4444;
    background: rgba(239, 68, 68, 0.15);
}
.dark .documents-empty-state {
    background: #0d1c2f;
    color: #b9c7e0;
    border-color: #3a485c;
}
.dark .documents-empty-state h2 {
    color: #cad3ff;
}

/* Create Document Page */
.dark .char-counter {
    background: #0d1c2f;
    border-color: #3a485c;
    color: #b9c7e0;
}
.dark .ai-note {
    background: rgba(59, 130, 246, 0.1);
    border-color: rgba(59, 130, 246, 0.3);
    color: #60a5fa;
}
.dark .upload-box {
    background: #0d1c2f;
    border-color: #3a485c;
}
.dark .upload-box:hover {
    background: rgba(59, 130, 246, 0.05);
    border-color: #3b82f6;
}
.dark .upload-icon {
    background: rgba(59, 130, 246, 0.15);
    color: #60a5fa;
}
.dark .upload-box h3 {
    color: #cad3ff;
}
.dark .upload-box p {
    color: #b9c7e0;
}
.dark .btn-upload,
.dark .btn-save-document {
    background: #2563eb;
}
.dark .btn-upload:hover,
.dark .btn-save-document:hover {
    background: #1d4ed8;
}
.dark .btn-get-content {
    background: #3a485c;
    color: #cad3ff;
}
.dark .btn-get-content:hover {
    background: #4b5d73;
}
.dark .url-hint {
    color: #b9c7e0;
}
.dark .form-actions {
    border-color: #3a485c;
}
.dark .btn-cancel {
    color: #b9c7e0;
}
.dark .btn-cancel:hover {
    background: #3a485c;
    color: #ffffff;
}

/* Document Details Page */
.dark .document-detail-page.stitch-detail-page {
    background: linear-gradient(180deg, #0d1c2f 0%, #131b2e 100%);
}
.dark .stitch-detail-header-card {
    background: #0d1c2f;
    border-color: #3a485c;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
}
.dark .stitch-detail-title-row h1 {
    color: #cad3ff;
}
.dark .document-detail-description {
    color: #b9c7e0;
}
.dark .stitch-back-link {
    color: #b9c7e0;
}
.dark .stitch-back-link:hover {
    color: #3b82f6;
}
.dark .stitch-document-meta {
    color: #b9c7e0;
}
.dark .stitch-file-badge.pdf {
    background: rgba(239, 68, 68, 0.15);
    color: #f87171;
}
.dark .stitch-file-badge.word {
    background: rgba(59, 130, 246, 0.15);
    color: #60a5fa;
}
.dark .stitch-file-badge.url {
    background: rgba(148, 163, 184, 0.15);
    color: #94a3b8;
}
.dark .stitch-file-badge.excel {
    background: rgba(34, 197, 94, 0.15);
    color: #4ade80;
}
.dark .stitch-file-badge.text {
    background: rgba(249, 115, 22, 0.15);
    color: #fb923c;
}
.dark .stitch-create-quiz-btn {
    background: #2563eb;
    color: #ffffff;
    box-shadow: 0 12px 22px rgba(37, 99, 235, 0.18);
}
.dark .stitch-create-quiz-btn:hover {
    background: #1d4ed8;
}
.dark .stitch-preview-card,
.dark .stitch-side-card {
    background: #0d1c2f;
    border-color: #3a485c;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
}
.dark .stitch-preview-toolbar {
    background: #0d1c2f;
    border-bottom-color: #3a485c;
}
.dark .stitch-preview-tools {
    color: #b9c7e0;
}
.dark .stitch-download-btn {
    color: #b9c7e0;
}
.dark .stitch-download-btn:hover {
    color: #3b82f6;
    background: rgba(59, 130, 246, 0.15);
}
.dark .stitch-document-viewer {
    background: #131b2e;
}
.dark .stitch-document-page {
    background: #0d1c2f;
    color: #cad3ff;
    box-shadow: 0 8px 26px rgba(0, 0, 0, 0.3);
}
.dark .stitch-document-page h2,
.dark .stitch-document-page h3 {
    color: #cad3ff;
}
.dark .stitch-document-page p {
    color: #b9c7e0;
}
.dark .stitch-readable-text {
    color: #b9c7e0 !important;
}
.dark .stitch-readable-text p {
    color: #b9c7e0 !important;
}
.dark .stitch-readable-list {
    color: #b9c7e0 !important;
}
.dark .stitch-readable-list li {
    color: #b9c7e0 !important;
}
.dark .stitch-side-title h3 {
    color: #cad3ff;
}
.dark .stitch-side-title .material-symbols-outlined {
    color: #3b82f6;
}
.dark .stitch-quiz-card {
    background: #131b2e;
    border-color: #3a485c;
}
.dark .stitch-quiz-card h4 {
    color: #cad3ff;
}
.dark .stitch-quiz-card p {
    color: #b9c7e0;
}
.dark .stitch-quiz-footer a {
    color: #3b82f6;
}
.dark .stitch-quiz-footer a:hover {
    color: #60a5fa;
}
.dark .stitch-analysis-list div {
    border-bottom-color: #3a485c;
}
.dark .stitch-analysis-list span {
    color: #b9c7e0;
}
.dark .stitch-analysis-list strong {
    color: #cad3ff;
}
.dark .stitch-document-fade {
    background: linear-gradient(180deg, rgba(13, 28, 47, 0), #0d1c2f 85%);
}
.dark .btn-toggle-document-text {
    background: rgba(59, 130, 246, 0.1);
    border-color: rgba(59, 130, 246, 0.3);
    color: #3b82f6;
}
.dark .btn-toggle-document-text:hover {
    background: #3b82f6;
    color: #ffffff;
    border-color: #3b82f6;
}
.dark .stitch-document-text-section h4 {
    color: #cad3ff;
}
.dark .stitch-source-text-section.is-secondary {
    background: rgba(15, 23, 42, 0.3);
    border-color: #3a485c;
    color: #b9c7e0;
}
.dark .stitch-image-recognized-text {
    background: rgba(59, 130, 246, 0.05);
    border-color: rgba(59, 130, 246, 0.2);
    color: #cad3ff;
}
.dark .stitch-image-ai-note {
    background: rgba(59, 130, 246, 0.1);
    border-color: rgba(59, 130, 246, 0.3);
    color: #60a5fa;
}
.dark .stitch-image-unreadable-note {
    background: rgba(217, 119, 6, 0.1);
    border-color: rgba(217, 119, 6, 0.3);
    color: #fbbf24;
}
.dark .stitch-document-traits div {
    border-color: #3a485c;
}
.dark .stitch-document-traits span {
    color: #b9c7e0;
}
.dark .stitch-document-traits strong {
    color: #cad3ff;
}
.dark .stitch-trait-status.success {
    color: #4ade80;
    background: rgba(74, 222, 128, 0.15);
}
.dark .stitch-trait-status.warning {
    color: #facc15;
    background: rgba(250, 250, 21, 0.15);
}
.dark .stitch-trait-status.danger {
    color: #f87171;
    background: rgba(248, 113, 113, 0.15);
}
.dark .stitch-usage-suggestion {
    border-color: #3a485c;
    background: rgba(15, 23, 42, 0.3);
}
.dark .stitch-usage-suggestion.success {
    border-color: rgba(74, 222, 128, 0.3);
    background: rgba(74, 222, 128, 0.05);
}
.dark .stitch-usage-suggestion.warning {
    border-color: rgba(250, 250, 21, 0.3);
    background: rgba(250, 250, 21, 0.05);
}
.dark .stitch-usage-suggestion.danger {
    border-color: rgba(248, 113, 113, 0.3);
    background: rgba(248, 113, 113, 0.05);
}
.dark .stitch-usage-suggestion p {
    color: #b9c7e0;
}
.dark .stitch-usage-suggestion-hint {
    color: #94a3b8;
}
.dark .stitch-usage-suggestion-meta div {
    background: rgba(15, 23, 42, 0.5);
    border-color: rgba(58, 72, 92, 0.5);
}
.dark .stitch-usage-suggestion-meta span {
    color: #b9c7e0;
}
.dark .stitch-usage-suggestion-meta strong {
    color: #cad3ff;
}
.dark .stitch-usage-suggestion-header strong {
    color: #cad3ff;
}
.dark .stitch-usage-suggestion-header span:not(.material-symbols-outlined) {
    color: #b9c7e0;
}
.dark .stitch-url-preview-card {
    background: #0d1c2f;
    border-color: #3a485c;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.25);
}
.dark .stitch-url-icon {
    background: rgba(59, 130, 246, 0.15);
    color: #3b82f6;
}
.dark .stitch-url-label {
    color: #b9c7e0;
}
.dark .stitch-url-content h2 {
    color: #cad3ff;
}
.dark .stitch-url-desc {
    color: #b9c7e0;
}
.dark .stitch-url-link {
    color: #3b82f6;
    background: rgba(59, 130, 246, 0.05);
    border-color: rgba(59, 130, 246, 0.2);
}
.dark .stitch-url-link:hover {
    color: #60a5fa;
    background: rgba(59, 130, 246, 0.1);
}
.dark .stitch-url-extraction-warning {
    color: #facc15;
    background: rgba(250, 250, 21, 0.05);
    border-color: rgba(250, 250, 21, 0.2);
}

/* Auth Page overrides */
.dark .auth-body {
    color: #cad3ff;
    background: linear-gradient(115deg, #0d1c2f 0%, #131b2e 50%, #0f172a 100%) !important;
}
.dark .auth-shell-register,
.dark .auth-shell-forgot {
    background: transparent !important;
}
.dark .auth-card {
    background: #0d1c2f;
    border-color: #3a485c;
    box-shadow: 0 18px 42px rgba(0, 0, 0, 0.3);
}
.dark .auth-brand a,
.dark .auth-card-brand a {
    color: #3b82f6;
}
.dark .auth-brand p,
.dark .auth-card-brand p {
    color: #b9c7e0;
}
.dark .auth-tabs {
    background: rgba(13, 28, 47, 0.5);
    border-color: #3a485c;
}
.dark .auth-tab {
    color: #b9c7e0;
}
.dark .auth-tab:hover,
.dark .auth-tab.active {
    color: #3b82f6;
}
.dark .auth-tab.active::after {
    background: #3b82f6;
}
.dark .auth-label {
    color: #b9c7e0;
}
.dark .auth-input {
    background: #131b2e;
    color: #cad3ff;
    border-color: #3a485c;
}
.dark .auth-input:-webkit-autofill,
.dark .auth-input:-webkit-autofill:hover, 
.dark .auth-input:-webkit-autofill:focus, 
.dark .auth-input:-webkit-autofill:active {
    -webkit-background-clip: text;
    -webkit-text-fill-color: #cad3ff !important;
    transition: background-color 5000s ease-in-out 0s;
    box-shadow: 0 0 0px 1000px #131b2e inset !important;
}
.dark .auth-input:focus {
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2) !important;
}
.dark .auth-input[readonly] {
    background: rgba(19, 27, 46, 0.5);
    color: #94a3b8;
}
.dark .auth-input-icon {
    color: #64748b;
}
.dark .auth-icon-button {
    color: #b9c7e0;
}
.dark .auth-icon-button:hover {
    color: #3b82f6;
    background: rgba(59, 130, 246, 0.15);
}
.dark .auth-checkline {
    color: #b9c7e0;
}
.dark .auth-checkbox {
    border-color: #3a485c;
    accent-color: #3b82f6;
}
.dark .auth-primary-button {
    background: #2563eb;
    color: #ffffff;
    box-shadow: 0 12px 22px rgba(37, 99, 235, 0.16);
}
.dark .auth-primary-button:hover {
    background: #1d4ed8;
}
.dark .auth-small-link,
.dark .auth-checkline a,
.dark .auth-card-footer a,
.dark .auth-guest-link {
    color: #3b82f6;
}
.dark .auth-small-link:hover,
.dark .auth-checkline a:hover,
.dark .auth-card-footer a:hover,
.dark .auth-guest-link:hover {
    color: #60a5fa;
}
.dark .auth-divider {
    color: #64748b;
}
.dark .auth-divider::before,
.dark .auth-divider::after {
    background: #3a485c;
}
.dark .auth-social-button {
    background: #131b2e;
    border-color: #3a485c;
    color: #cad3ff;
}
.dark .auth-social-button:hover {
    background: #1e293b;
}
.dark .auth-card-footer {
    background: rgba(13, 28, 47, 0.5);
    border-color: #3a485c;
    color: #b9c7e0;
}
.dark .auth-panel-heading h1 {
    color: #cad3ff;
}
.dark .auth-panel-heading p {
    color: #b9c7e0;
}
.dark .auth-status-icon {
    background: rgba(59, 130, 246, 0.15);
    color: #3b82f6;
}
.dark .auth-dev-link-box {
    background: rgba(59, 130, 246, 0.05);
    border-color: rgba(59, 130, 246, 0.2);
}
.dark .auth-validation-summary,
.dark .auth-error {
    color: #f87171;
}

/* Public/Private toggle */
.dark .btn-toggle-public.private {
    background-color: #131b2e;
    color: #b9c7e0;
    border-color: #3a485c;
}
.dark .btn-toggle-public.private:hover {
    background-color: #3a485c;
}