/* ===== RESET & BASE ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --color-sidebar: #12466d;
    --color-sidebar-hover: #1c5b88;
    --color-sidebar-active: #0093dd;
    --color-primary: #0879bd;
    --color-primary-dark: #075d91;
    --color-primary-light: #eaf7ff;
    --color-success: #00963f;
    --color-success-light: #ecfdf5;
    --color-warning: #f59e0b;
    --color-warning-light: #fffbeb;
    --color-danger: #ef4444;
    --color-danger-light: #fef2f2;
    --color-info: #3b5998;
    --color-info-light: #eef2ff;
    --color-text-primary: #0f172a;
    --color-text-secondary: #526f83;
    --color-text-muted: #70879a;
    --color-border: #e2e8f0;
    --color-border-light: #f1f5f9;
    --color-bg: #e9f5fb;
    --color-surface: #ffffff;
    --sidebar-width: 272px;
    --header-height: 64px;
    --mobile-taskbar-height: 68px;
    --mobile-taskbar-bottom: 10px;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.07), 0 4px 6px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 25px rgba(0,0,0,0.07), 0 10px 10px rgba(0,0,0,0.04);
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

html, body {
    font-family: var(--font);
    font-size: 14px;
    color: var(--color-text-primary);
    background: var(--color-bg);
    height: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

button,
input,
select,
textarea {
    font-family: var(--font);
}

#app { height: 100%; }

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ===== APP LOADING ===== */
.app-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    gap: 16px;
    background: var(--color-bg);
}
.loading-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text-primary);
}
.loading-spinner-ring {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
.loading-text { color: var(--color-text-secondary); font-size: 13px; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== BLAZOR ERROR UI ===== */
#blazor-error-ui {
    display: none;
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    background: #1e293b;
    color: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
}
.error-content {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    font-size: 13px;
}
.error-content .reload { color: #60a5fa; text-decoration: underline; cursor: pointer; }
.error-content .dismiss { cursor: pointer; opacity: 0.7; margin-left: 4px; }

/* ===== LAYOUT ===== */
.app-layout {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

.sidebar {
    width: var(--sidebar-width);
    min-width: var(--sidebar-width);
    background: var(--color-sidebar);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    overflow-x: hidden;
    z-index: 100;
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px 20px 16px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.sidebar-logo-icon {
    width: 40px;
    height: 40px;
    background: var(--color-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.sidebar-logo-title { font-size: 15px; font-weight: 700; color: white; line-height: 1.2; }
.sidebar-logo-subtitle { font-size: 10px; color: rgba(255,255,255,0.45); text-transform: uppercase; letter-spacing: 0.5px; margin-top: 1px; }

.sidebar-section { padding: 16px 12px 8px; }
.sidebar-section-title {
    font-size: 10px;
    font-weight: 600;
    color: rgba(255,255,255,0.35);
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 0 8px;
    margin-bottom: 6px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    border-radius: var(--radius-sm);
    color: rgba(255,255,255,0.65);
    font-size: 13.5px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    margin-bottom: 2px;
}
.nav-item:hover { background: rgba(255,255,255,0.07); color: white; text-decoration: none; }
.nav-item.active { background: rgba(59,130,246,0.25); color: #60a5fa; }
.nav-item.active .nav-icon { color: #3b82f6; }
.nav-icon { width: 18px; height: 18px; flex-shrink: 0; opacity: 0.8; }
.nav-badge {
    margin-left: auto;
    background: var(--color-danger);
    color: white;
    font-size: 10px;
    font-weight: 600;
    padding: 1px 6px;
    border-radius: 20px;
    min-width: 18px;
    text-align: center;
}

.sidebar-footer {
    margin-top: auto;
    padding: 12px;
    border-top: 1px solid rgba(255,255,255,0.08);
}
.user-card {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
}
.user-card:hover { background: rgba(255,255,255,0.07); }
.user-avatar {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, #3b82f6, #6366f1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 600;
    color: white;
    flex-shrink: 0;
}
.user-info { flex: 1; min-width: 0; }
.user-name { font-size: 13px; font-weight: 600; color: white; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-role { font-size: 11px; color: rgba(255,255,255,0.45); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.logout-btn {
    background: none;
    border: none;
    color: rgba(255,255,255,0.4);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    display: flex;
    transition: var(--transition);
}
.logout-btn:hover { color: var(--color-danger); background: rgba(239,68,68,0.1); }

/* ===== MAIN CONTENT ===== */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--color-bg);
}

.page-container {
    flex: 1;
    overflow-y: auto;
    padding: 28px 32px;
}

/* ===== PAGE HEADER ===== */
.page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 28px;
    gap: 16px;
}
.page-title { font-size: 22px; font-weight: 700; color: var(--color-text-primary); line-height: 1.3; }
.page-subtitle { font-size: 13px; color: var(--color-text-secondary); margin-top: 4px; }
.page-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }

/* ===== CARDS ===== */
.card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border-light);
    overflow: hidden;
}
.card-header {
    padding: 18px 20px;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}
.card-title { font-size: 15px; font-weight: 600; color: var(--color-text-primary); }
.card-body { padding: 20px; }

/* ===== STAT CARDS ===== */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}
.stat-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: 20px;
    border: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: flex-start;
    gap: 14px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.stat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--stat-color, var(--color-primary));
}
.stat-card:hover { box-shadow: var(--shadow-md); transform: translateY(-1px); }
.stat-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: var(--stat-bg, var(--color-primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--stat-color, var(--color-primary));
}
.stat-label { font-size: 12px; color: var(--color-text-secondary); font-weight: 500; text-transform: uppercase; letter-spacing: 0.3px; }
.stat-value { font-size: 28px; font-weight: 700; color: var(--color-text-primary); line-height: 1.2; margin-top: 4px; }
.stat-change { font-size: 12px; color: var(--color-text-muted); margin-top: 2px; }

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 9px 16px;
    border-radius: var(--radius-sm);
    font-size: 13.5px;
    font-weight: 500;
    font-family: var(--font);
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    line-height: 1;
    text-decoration: none;
}
.btn:disabled { opacity: 0.55; cursor: not-allowed; }
.btn-sm { padding: 6px 12px; font-size: 12.5px; }
.btn-lg { padding: 12px 24px; font-size: 15px; }

.btn-primary { background: var(--color-primary); color: white; border-color: var(--color-primary); }
.btn-primary:hover:not(:disabled) { background: var(--color-primary-dark); border-color: var(--color-primary-dark); box-shadow: 0 0 0 3px rgba(59,130,246,0.2); }
.btn-success { background: var(--color-success); color: white; border-color: var(--color-success); }
.btn-success:hover:not(:disabled) { background: #059669; border-color: #059669; }
.btn-danger { background: var(--color-danger); color: white; border-color: var(--color-danger); }
.btn-danger:hover:not(:disabled) { background: #dc2626; }
.btn-warning { background: var(--color-warning); color: white; border-color: var(--color-warning); }
.btn-warning:hover:not(:disabled) { background: #d97706; }
.btn-outline { background: transparent; color: var(--color-text-secondary); border-color: var(--color-border); }
.btn-outline:hover:not(:disabled) { background: var(--color-bg); color: var(--color-text-primary); border-color: #cbd5e1; }
.btn-ghost { background: transparent; color: var(--color-text-secondary); border-color: transparent; }
.btn-ghost:hover:not(:disabled) { background: var(--color-bg); color: var(--color-text-primary); }

/* ===== FORMS ===== */
.form-group { margin-bottom: 18px; }
.form-label { display: block; font-size: 13px; font-weight: 500; color: var(--color-text-primary); margin-bottom: 6px; }
.form-label.required::after { content: ' *'; color: var(--color-danger); }
.form-control {
    width: 100%;
    padding: 9px 12px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 13.5px;
    font-family: var(--font);
    color: var(--color-text-primary);
    background: var(--color-surface);
    transition: var(--transition);
    outline: none;
    line-height: 1.5;
}
.form-control:focus { border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(59,130,246,0.12); }
.form-control::placeholder { color: var(--color-text-muted); }
.form-control:disabled { background: var(--color-bg); opacity: 0.7; }
select.form-control {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}
textarea.form-control { min-height: 100px; resize: vertical; }
.form-hint { font-size: 12px; color: var(--color-text-muted); margin-top: 5px; }
.form-error { font-size: 12px; color: var(--color-danger); margin-top: 5px; }

/* ===== FILE UPLOAD ===== */
.file-upload-area {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-md);
    padding: 32px 20px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    background: var(--color-bg);
}
.file-upload-area:hover { border-color: var(--color-primary); background: var(--color-primary-light); }
.file-upload-icon {
    width: 48px;
    height: 48px;
    background: var(--color-primary-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 12px;
    color: var(--color-primary);
}
.file-upload-text { font-size: 14px; color: var(--color-text-secondary); }
.file-upload-hint { font-size: 12px; color: var(--color-text-muted); margin-top: 4px; }

/* ===== TABLE ===== */
.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-sm);
    background: var(--color-surface);
}
.table { width: 100%; border-collapse: collapse; min-width: 600px; }
.table th {
    background: #f8fafc;
    font-size: 11.5px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-secondary);
    padding: 12px 16px;
    border-bottom: 1px solid var(--color-border);
    white-space: nowrap;
    text-align: left;
}
.table td {
    padding: 13px 16px;
    border-bottom: 1px solid var(--color-border-light);
    font-size: 13.5px;
    color: var(--color-text-primary);
    vertical-align: middle;
}
.table tr:last-child td { border-bottom: none; }
.table tbody tr { transition: var(--transition); cursor: pointer; }
.table tbody tr:hover td { background: #f8fafc; }
.table-title { font-weight: 500; color: var(--color-text-primary); max-width: 300px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.table-meta { font-size: 12px; color: var(--color-text-muted); margin-top: 2px; }

/* ===== BADGES ===== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 9px;
    border-radius: 20px;
    font-size: 11.5px;
    font-weight: 600;
    white-space: nowrap;
}
.badge-dot { width: 6px; height: 6px; border-radius: 50%; flex-shrink: 0; }
.badge-gray { background: #f1f5f9; color: #64748b; }
.badge-gray .badge-dot { background: #64748b; }
.badge-yellow { background: #fef3c7; color: #92400e; }
.badge-yellow .badge-dot { background: #f59e0b; }
.badge-blue { background: #dbeafe; color: #1e40af; }
.badge-blue .badge-dot { background: #3b82f6; }
.badge-orange { background: #fed7aa; color: #9a3412; }
.badge-orange .badge-dot { background: #f97316; }
.badge-purple { background: #ede9fe; color: #5b21b6; }
.badge-purple .badge-dot { background: #8b5cf6; }
.badge-green { background: #d1fae5; color: #065f46; }
.badge-green .badge-dot { background: #10b981; }
.badge-red { background: #fee2e2; color: #991b1b; }
.badge-red .badge-dot { background: #ef4444; }
.badge-indigo { background: #e0e7ff; color: #3730a3; }
.badge-indigo .badge-dot { background: #6366f1; }

/* ===== SEARCH & FILTER BAR ===== */
.filter-bar { display: flex; align-items: center; gap: 10px; margin-bottom: 20px; flex-wrap: wrap; }
.search-box { position: relative; flex: 1; min-width: 220px; }
.search-box-icon { position: absolute; left: 10px; top: 50%; transform: translateY(-50%); color: var(--color-text-muted); pointer-events: none; }
.search-box .form-control { padding-left: 36px; }
.filter-select { width: 160px; }

/* ===== PAGINATION ===== */
.pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    border-top: 1px solid var(--color-border-light);
    background: var(--color-surface);
}
.pagination-info { font-size: 13px; color: var(--color-text-secondary); }
.pagination-controls { display: flex; align-items: center; gap: 6px; }
.page-btn {
    width: 34px;
    height: 34px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    color: var(--color-text-secondary);
    font-size: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font);
}
.page-btn:hover:not(:disabled) { background: var(--color-bg); border-color: var(--color-primary); color: var(--color-primary); }
.page-btn.active { background: var(--color-primary); border-color: var(--color-primary); color: white; }
.page-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ===== MODAL ===== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(3px);
    z-index: 20000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    overflow-y: auto;
    overscroll-behavior: contain;
    animation: fadeIn 0.15s ease;
}
.modal {
    display: flex;
    flex-direction: column;
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 520px;
    max-height: calc(100dvh - 40px);
    animation: slideUp 0.2s ease;
    overflow: hidden;
}
.modal-lg { max-width: 720px; }
.modal-header { display: flex; flex: 0 0 auto; align-items: center; justify-content: space-between; padding: 20px 24px; border-bottom: 1px solid var(--color-border); }
.modal-title { font-size: 16px; font-weight: 600; color: var(--color-text-primary); }
.modal-close {
    width: 32px; height: 32px;
    border-radius: var(--radius-sm);
    border: none;
    background: var(--color-bg);
    color: var(--color-text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: var(--transition);
}
.modal-close:hover { background: var(--color-border); color: var(--color-text-primary); }
.modal-body { min-height: 0; padding: 24px; overflow-y: auto; }
.modal-footer { flex: 0 0 auto; padding: 16px 24px; border-top: 1px solid var(--color-border); display: flex; justify-content: flex-end; gap: 10px; }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

/* ===== LOADING ===== */
.spinner {
    display: inline-block;
    width: 20px; height: 20px;
    border: 2.5px solid rgba(59,130,246,0.2);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}
.spinner-sm { width: 16px; height: 16px; border-width: 2px; }
.spinner-lg { width: 32px; height: 32px; border-width: 3px; }
.loading-state { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 60px 20px; gap: 14px; color: var(--color-text-secondary); font-size: 14px; }

/* ===== EMPTY STATE ===== */
.empty-state { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 60px 20px; text-align: center; color: var(--color-text-secondary); }
.empty-state-icon { width: 64px; height: 64px; background: var(--color-bg); border-radius: 50%; display: flex; align-items: center; justify-content: center; margin-bottom: 16px; color: var(--color-text-muted); }
.empty-state-title { font-size: 15px; font-weight: 600; color: var(--color-text-primary); margin-bottom: 6px; }
.empty-state-desc { font-size: 13px; color: var(--color-text-secondary); }

/* ===== DOCUMENT DETAIL ===== */
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.detail-item { padding: 14px 16px; background: var(--color-bg); border-radius: var(--radius-md); border: 1px solid var(--color-border-light); }
.detail-label { font-size: 11.5px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; color: var(--color-text-muted); margin-bottom: 4px; }
.detail-value { font-size: 14px; color: var(--color-text-primary); font-weight: 500; }

/* ===== TIMELINE ===== */
.timeline { position: relative; padding-left: 24px; }
.timeline::before { content: ''; position: absolute; left: 8px; top: 8px; bottom: 8px; width: 1.5px; background: var(--color-border); }
.timeline-item { position: relative; padding-bottom: 24px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-dot { position: absolute; left: -20px; top: 4px; width: 14px; height: 14px; border-radius: 50%; background: var(--color-primary); border: 2px solid white; box-shadow: 0 0 0 2px var(--color-border); }
.timeline-time { font-size: 11.5px; color: var(--color-text-muted); margin-bottom: 4px; }
.timeline-title { font-size: 13.5px; font-weight: 600; color: var(--color-text-primary); margin-bottom: 3px; }
.timeline-desc { font-size: 13px; color: var(--color-text-secondary); }

/* ===== PDF VIEWER ===== */
.pdf-frame { width: 100%; height: 600px; border: none; border-radius: var(--radius-md); background: #f1f5f9; }

/* ===== ALERT ===== */
.alert { padding: 12px 16px; border-radius: var(--radius-md); display: flex; align-items: flex-start; gap: 10px; font-size: 13.5px; border: 1px solid; margin-bottom: 16px; }
.alert-info { background: var(--color-info-light); border-color: #c7d2fe; color: #3730a3; }
.alert-success { background: var(--color-success-light); border-color: #a7f3d0; color: #065f46; }
.alert-warning { background: var(--color-warning-light); border-color: #fde68a; color: #92400e; }
.alert-danger { background: var(--color-danger-light); border-color: #fecaca; color: #991b1b; }

/* ===== LOGIN PAGE ===== */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    padding: 20px;
    position: relative;
    overflow: hidden;
}
.login-page::before {
    content: '';
    position: absolute;
    top: -50%; left: -50%;
    width: 200%; height: 200%;
    background: radial-gradient(circle at 30% 40%, rgba(59,130,246,0.08) 0%, transparent 50%),
                radial-gradient(circle at 70% 60%, rgba(99,102,241,0.06) 0%, transparent 50%);
    pointer-events: none;
}
.login-card {
    background: rgba(255,255,255,0.97);
    border-radius: 24px;
    padding: 40px;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 25px 50px rgba(0,0,0,0.25);
    position: relative;
    z-index: 1;
}
.login-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 28px; }
.login-logo-icon { width: 48px; height: 48px; background: var(--color-primary); border-radius: 14px; display: flex; align-items: center; justify-content: center; }
.login-logo-text h1 { font-size: 20px; font-weight: 800; color: var(--color-text-primary); line-height: 1.2; }
.login-logo-text p { font-size: 12px; color: var(--color-text-muted); margin-top: 2px; }
.login-title { font-size: 22px; font-weight: 700; color: var(--color-text-primary); margin-bottom: 6px; }
.login-subtitle { font-size: 14px; color: var(--color-text-secondary); margin-bottom: 28px; }
.password-wrapper { position: relative; }
.password-toggle { position: absolute; right: 10px; top: 50%; transform: translateY(-50%); background: none; border: none; cursor: pointer; color: var(--color-text-muted); padding: 4px; display: flex; transition: var(--transition); }
.password-toggle:hover { color: var(--color-text-primary); }
.login-error { background: var(--color-danger-light); border: 1px solid #fecaca; color: #991b1b; padding: 10px 14px; border-radius: var(--radius-md); font-size: 13px; margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }
.login-btn { width: 100%; padding: 12px; justify-content: center; font-size: 15px; border-radius: var(--radius-md); }
.login-footer { text-align: center; margin-top: 20px; font-size: 12px; color: var(--color-text-muted); }

/* ===== TABS ===== */
.tabs { display: flex; border-bottom: 1.5px solid var(--color-border); gap: 0; margin-bottom: 20px; }
.tab-btn { padding: 10px 18px; border: none; background: none; font-size: 13.5px; font-weight: 500; color: var(--color-text-secondary); cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1.5px; transition: var(--transition); font-family: var(--font); }
.tab-btn:hover { color: var(--color-text-primary); }
.tab-btn.active { color: var(--color-primary); border-bottom-color: var(--color-primary); }

/* ===== TREE VIEW ===== */
.tree-node { padding: 8px 12px; border-radius: var(--radius-sm); display: flex; align-items: center; gap: 8px; cursor: pointer; transition: var(--transition); font-size: 13.5px; }
.tree-node:hover { background: var(--color-bg); }
.tree-node.selected { background: var(--color-primary-light); color: var(--color-primary); }
.tree-children { padding-left: 20px; border-left: 1.5px solid var(--color-border-light); margin-left: 12px; }

/* ===== SIGNATURE ===== */
.sig-item { display: flex; align-items: center; gap: 12px; padding: 14px 16px; border: 1px solid var(--color-border); border-radius: var(--radius-md); margin-bottom: 10px; transition: var(--transition); }
.sig-item:hover { border-color: var(--color-primary); background: var(--color-primary-light); }
.sig-icon { width: 40px; height: 40px; border-radius: var(--radius-md); background: var(--color-success-light); display: flex; align-items: center; justify-content: center; color: var(--color-success); flex-shrink: 0; }
.sig-info { flex: 1; }
.sig-name { font-size: 14px; font-weight: 600; color: var(--color-text-primary); }
.sig-meta { font-size: 12px; color: var(--color-text-muted); margin-top: 2px; }
.sig-valid { color: var(--color-success); font-size: 12px; font-weight: 500; }
.sig-invalid { color: var(--color-danger); font-size: 12px; font-weight: 500; }

/* ===== ROLE BADGE ===== */
.role-badge { display: inline-flex; padding: 2px 8px; border-radius: 4px; font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.4px; }
.role-Admin { background: #fef3c7; color: #92400e; }
.role-Clerk { background: #dbeafe; color: #1e40af; }
.role-Specialist { background: #d1fae5; color: #065f46; }
.role-Manager { background: #ede9fe; color: #5b21b6; }
.role-BoardOfDirectors { background: #fee2e2; color: #991b1b; }

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #cbd5e1; }

/* ===== RESPONSIVE ===== */
@media (max-width: 960px) {
    .stat-grid { grid-template-columns: 1fr; }
    .page-container { padding: 16px; }
    .detail-grid { grid-template-columns: 1fr; }
    .filter-bar { flex-direction: column; align-items: stretch; }
    .filter-select { width: 100%; }
    .page-header { flex-direction: column; align-items: stretch; }
    .login-card { padding: 28px 20px; }
}

/* ===== TOAST — Phải nằm trên modal ===== */
/* Blazored.Toast container */
.blazored-toast-container {
    z-index: 30000 !important;
    position: fixed !important;
}
/* Override từng vị trí của Blazored.Toast */
.blazored-toast-container.top-right,
.blazored-toast-container.top-left,
.blazored-toast-container.top-center,
.blazored-toast-container.bottom-right,
.blazored-toast-container.bottom-left,
.blazored-toast-container.bottom-center {
    z-index: 30000 !important;
}
/* Toast item */
.blazored-toast {
    z-index: 30000 !important;
}

/* Nâng stacking context chứa modal lên trên sidebar/taskbar. */
.main-content:has(.modal-overlay),
.sidebar:has(.modal-overlay) {
    z-index: 20000;
}

.sidebar:has(.modal-overlay) {
    overflow: visible;
}

/* ===== HAU GLASSMORPHISM THEME ===== */
body {
    background:
        radial-gradient(circle at 14% 12%, rgba(0, 147, 221, 0.34), transparent 34%),
        radial-gradient(circle at 82% 14%, rgba(0, 150, 63, 0.22), transparent 30%),
        linear-gradient(135deg, #dff4ff 0%, #edf6fb 42%, #dbe8f5 100%);
}

.app-layout {
    position: relative;
    isolation: isolate;
    background:
        radial-gradient(circle at 18% 20%, rgba(0, 147, 221, 0.25), transparent 32%),
        radial-gradient(circle at 88% 82%, rgba(59, 89, 152, 0.22), transparent 34%),
        linear-gradient(145deg, #e8f7ff 0%, #eef5fb 45%, #d9e8f5 100%);
}

.app-layout::before,
.app-layout::after,
.main-content::before,
.login-page::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    z-index: -1;
    will-change: transform;
}

.app-layout::before {
    width: 300px;
    height: 300px;
    top: -90px;
    right: 8%;
    background: radial-gradient(circle at 35% 35%, rgba(83, 209, 255, 0.78), rgba(0, 147, 221, 0.16) 58%, transparent 72%);
    animation: hau-float-one 14s ease-in-out infinite alternate;
}

.app-layout::after {
    width: 360px;
    height: 360px;
    left: 30%;
    bottom: -190px;
    background: radial-gradient(circle at 45% 42%, rgba(0, 150, 63, 0.28), rgba(18, 70, 109, 0.12) 55%, transparent 72%);
    animation: hau-float-two 18s ease-in-out infinite alternate;
}

.main-content {
    position: relative;
    z-index: auto;
    background: transparent;
}

.main-content::before {
    width: 230px;
    height: 230px;
    top: 38%;
    right: -80px;
    background: radial-gradient(circle, rgba(59, 89, 152, 0.24), rgba(255, 216, 0, 0.08) 55%, transparent 72%);
    z-index: 0;
    animation: hau-float-two 16s ease-in-out -5s infinite alternate;
}

.page-container {
    position: relative;
    z-index: auto;
    scrollbar-gutter: stable;
}

@keyframes hau-float-one {
    from { transform: translate3d(-18px, -8px, 0) scale(0.96); }
    to { transform: translate3d(34px, 30px, 0) scale(1.08); }
}

@keyframes hau-float-two {
    from { transform: translate3d(22px, 18px, 0) scale(1.05); }
    to { transform: translate3d(-32px, -26px, 0) scale(0.94); }
}

/* Tier 1: dark navigation glass */
.sidebar {
    margin: 12px 0 12px 12px;
    height: calc(100vh - 24px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    background: rgb(14 78 125);
    box-shadow:
        18px 0 44px rgba(5, 38, 64, 0.18),
        0 18px 48px rgba(18, 70, 109, 0.22),
        inset 0 1px 0 rgba(255, 255, 255, 0.16);
    -webkit-backdrop-filter: blur(24px) saturate(145%);
    backdrop-filter: blur(24px) saturate(145%);
    contain: paint;
}

.sidebar-logo {
    padding: 22px 20px 18px;
    border-bottom-color: rgba(255, 255, 255, 0.13);
}

.sidebar-logo-icon {
    width: 48px;
    height: 48px;
    padding: 4px;
    background: rgba(255, 255, 255, 0.94);
    border: 1px solid rgba(255, 255, 255, 0.66);
    border-radius: 15px;
    box-shadow: 0 8px 28px rgba(0, 147, 221, 0.2), inset 0 1px 0 white;
}

.sidebar-logo-icon img,
.login-logo-icon img,
.loading-logo img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.sidebar-logo-title { font-size: 16px; letter-spacing: -0.2px; }
.sidebar-logo-subtitle { color: rgba(255, 255, 255, 0.6); }
.sidebar-section-title { color: rgba(255, 255, 255, 0.48); }

.nav-item {
    border: 1px solid transparent;
    border-radius: 11px;
    color: rgba(255, 255, 255, 0.76);
}

.nav-item:hover {
    color: white;
    border-color: rgba(255, 255, 255, 0.13);
    background: rgba(255, 255, 255, 0.1);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 8px 22px rgba(2, 25, 43, 0.12);
}

.nav-item.active {
    color: white;
    border-color: rgba(118, 222, 255, 0.34);
    background: rgba(0, 147, 221, 0.70);
    box-shadow: 0 8px 26px rgba(0, 147, 221, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.nav-item.active .nav-icon { color: #9ee6ff; }
.sidebar-footer { border-top-color: rgba(255, 255, 255, 0.13); }

.user-card {
    border: 1px solid rgba(255, 255, 255, 0.09);
    background: rgba(255, 255, 255, 0.055);
}

.user-card:hover { background: rgba(255, 255, 255, 0.11); }
.user-avatar { background:  #0093dd;}

/* Tier 2: primary content glass */
.card,
.stat-card,
.table-wrapper {
    background: rgba(247, 252, 255, 0.78);
    border: 1px solid rgba(255, 255, 255, 0.82);
    box-shadow:
        0 18px 44px rgba(18, 70, 109, 0.1),
        0 4px 14px rgba(59, 89, 152, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.88);
    -webkit-backdrop-filter: blur(20px) saturate(125%);
    backdrop-filter: blur(20px) saturate(125%);
}

.card,
.table-wrapper { border-radius: 18px; }
.stat-card { border-radius: 17px; }

.card-header {
    border-bottom-color: rgba(18, 70, 109, 0.11);
    background: rgba(255, 255, 255, 0.2);
}

.stat-card::before {
    height: 4px;
    background: #0093dd;
    box-shadow: 0 0 16px rgba(0, 147, 221, 0.34);
}

.stat-icon,
.file-upload-icon,
.sig-icon {
    background: rgba(0, 147, 221, 0.09) !important;
    color: #0879bd !important;
}

.stat-card:hover,
.card:hover {
    border-color: rgba(255, 255, 255, 0.96);
    box-shadow:
        0 22px 52px rgba(18, 70, 109, 0.15),
        0 0 0 1px rgba(0, 147, 221, 0.08),
        inset 0 1px 0 white;
}

.stat-card:hover { transform: translateY(-3px); }

/* Tier 3: inner glass controls */
.form-control,
.page-btn,
.pagination,
.detail-item,
.file-upload-area,
.sig-item,
.empty-state-icon,
.modal-close {
    background-color: rgba(255, 255, 255, 0.52);
    border-color: rgba(18, 70, 109, 0.16);
    box-shadow: inset 0 1px 2px rgba(18, 70, 109, 0.05), 0 1px 0 rgba(255, 255, 255, 0.76);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

.form-control {
    border-radius: 10px;
    min-height: 42px;
}

.form-control:focus {
    background-color: rgba(255, 255, 255, 0.76);
    border-color: #0093dd;
    box-shadow: 0 0 0 3px rgba(0, 147, 221, 0.14), 0 8px 22px rgba(18, 70, 109, 0.08);
}

.form-control:disabled { background: rgba(224, 237, 245, 0.68); }
.file-upload-area:hover { background: rgba(234, 247, 255, 0.76); }
.detail-item { border-color: rgba(255, 255, 255, 0.66); }

.table th {
    background: rgba(234, 247, 255, 0.55);
    border-bottom-color: rgba(18, 70, 109, 0.13);
}

.table td { border-bottom-color: rgba(18, 70, 109, 0.08); }
.table tbody tr:hover td { background: rgba(224, 245, 255, 0.58); }
.pagination { border-top-color: rgba(18, 70, 109, 0.1); }

.btn {
    border-radius: 10px;
    font-weight: 600;
}

.btn-primary {
    background: #304e8a;
    border-color: rgba(0, 121, 189, 0.55);
    box-shadow: 0 8px 20px rgba(0, 121, 189, 0.19), inset 0 1px 0 rgba(255, 255, 255, 0.28);
}

.btn-primary:hover:not(:disabled) {
    background: #304e8a;
    border-color: rgba(255, 255, 255, 0.4);
    box-shadow: 0 12px 28px rgba(0, 121, 189, 0.28), 0 0 0 3px rgba(0, 147, 221, 0.13);
    transform: translateY(-1px);
}

.btn-outline,
.btn-ghost {
    background: rgba(255, 255, 255, 0.36);
    border-color: rgba(18, 70, 109, 0.16);
}

.btn-outline:hover:not(:disabled),
.btn-ghost:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.7);
    border-color: rgba(0, 147, 221, 0.38);
    box-shadow: 0 7px 20px rgba(18, 70, 109, 0.09);
}

.page-title {
    color: #0d3654;
    letter-spacing: -0.45px;
}

.page-subtitle { color: #4d6d83; }
.tabs { border-bottom-color: rgba(18, 70, 109, 0.14); }
.tab-btn.active { color: #0879bd; border-bottom-color: #0093dd; }
.tree-node:hover { background: rgba(234, 247, 255, 0.68); }
.tree-node.selected { background: rgba(0, 147, 221, 0.12); }

/* Elevated glass for focused overlays */
.modal-overlay {
    background: rgba(5, 31, 50, 0.42);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
}

.modal {
    background: rgba(247, 252, 255, 0.91);
    border: 1px solid rgba(255, 255, 255, 0.9);
    box-shadow: 0 30px 80px rgba(5, 38, 64, 0.32), inset 0 1px 0 white;
    -webkit-backdrop-filter: blur(30px) saturate(135%);
    backdrop-filter: blur(30px) saturate(135%);
}

.modal-header,
.modal-footer { border-color: rgba(18, 70, 109, 0.11); }

/* Authentication scene */
.login-page,
.app-loading {
    background:
        radial-gradient(circle at 18% 18%, rgba(0, 147, 221, 0.6), transparent 34%),
        radial-gradient(circle at 82% 74%, rgba(0, 150, 63, 0.3), transparent 32%),
        radial-gradient(circle at 76% 14%, rgba(255, 216, 0, 0.11), transparent 24%),
        linear-gradient(140deg, #082f4b 0%, #12466d 45%, #263f78 100%);
}

.login-page::before {
    top: -28%;
    left: -18%;
    width: 138%;
    height: 138%;
    background:
        radial-gradient(circle at 32% 38%, rgba(97, 207, 255, 0.18) 0%, transparent 34%),
        radial-gradient(circle at 72% 60%, rgba(58, 201, 119, 0.13) 0%, transparent 32%);
    animation: hau-gradient-drift 16s ease-in-out infinite alternate;
}

.login-page::after {
    width: 260px;
    height: 260px;
    right: 10%;
    bottom: -90px;
    z-index: 0;
    background: radial-gradient(circle at 36% 34%, rgba(255, 255, 255, 0.34), rgba(0, 147, 221, 0.2) 44%, transparent 72%);
    animation: hau-float-one 14s ease-in-out infinite alternate;
}

@keyframes hau-gradient-drift {
    from { transform: translate3d(-2%, -1%, 0) rotate(-2deg); }
    to { transform: translate3d(3%, 2%, 0) rotate(2deg); }
}

.login-card {
    background: rgba(242, 250, 255, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.72);
    border-radius: 28px;
    box-shadow:
        0 32px 86px rgba(0, 20, 36, 0.34),
        0 8px 28px rgba(0, 147, 221, 0.12),
        inset 0 1px 0 rgba(255, 255, 255, 0.94);
    -webkit-backdrop-filter: blur(28px) saturate(140%);
    backdrop-filter: blur(28px) saturate(140%);
}

.login-logo-icon {
    width: 58px;
    height: 58px;
    padding: 3px;
    background: rgba(255, 255, 255, 0.62) !important;
    border: 1px solid rgba(255, 255, 255, 0.82);
    border-radius: 17px;
    box-shadow: 0 10px 28px rgba(0, 147, 221, 0.16), inset 0 1px 0 white;
}

.login-logo-text h1 {
    color: #0d3654;
    letter-spacing: -0.35px;
}

.login-title { color: #0d3654; letter-spacing: -0.35px; }
.login-subtitle { color: #4c6b80; }
.login-footer { color: #5d7687; }
.login-error { background: rgba(254, 226, 226, 0.7); }

.loading-logo {
    color: white;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.22);
}

.loading-logo img {
    width: 60px;
    height: 60px;
    padding: 4px;
    border-radius: 17px;
    background: rgba(255, 255, 255, 0.94);
    box-shadow: 0 14px 34px rgba(0, 0, 0, 0.2);
}

.app-loading .loading-text { color: rgba(255, 255, 255, 0.76); }
.app-loading .loading-spinner-ring { border-color: rgba(255, 255, 255, 0.23); border-top-color: #83dcff; }

/* Mobile bottom navigation */
@media (max-width: 960px) {
    .app-layout { display: block; min-height: 100vh; overflow: hidden; }
    .main-content { width: 100%; max-width: 100vw; height: 100vh; padding-bottom: 0; }
    .page-container {
        width: 100%;
        max-width: 100vw;
        padding: 20px 16px calc(28px + var(--mobile-taskbar-height) + var(--mobile-taskbar-bottom));
    }
    .sidebar {
        position: fixed;
        right: auto;
        bottom: var(--mobile-taskbar-bottom);
        left: 50%;
        width: calc(100vw - 20px);
        max-width: 560px;
        min-width: 0;
        height: var(--mobile-taskbar-height);
        margin: 0;
        padding: 4px;
        flex-direction: row;
        align-items: center;
        transform: translateX(-50%);
        overflow-x: hidden;
        overflow-y: hidden;
        border-radius: 10px;
        box-shadow: 0 18px 50px rgba(5, 38, 64, 0.32), inset 0 1px 0 rgba(255, 255, 255, 0.16);
    }
    .sidebar-logo,
    .sidebar-section-title,
    .user-info { display: none; }
    .sidebar-section { display: contents; }
    .nav-item {
        width: auto;
        min-width: 0;
        height: 56px;
        flex: 1 1 0;
        flex-direction: column;
        justify-content: center;
        gap: 3px;
        padding: 4px clamp(1px, 1.2vw, 6px);
        margin: 0;
        font-size: clamp(7px, 2.2vw, 9px);
        line-height: 1.1;
        text-align: center;
        white-space: normal;
        overflow-wrap: anywhere;
    }
    .nav-icon {
        width: clamp(16px, 5vw, 19px);
        height: clamp(16px, 5vw, 19px);
    }
    .sidebar-footer {
        width: clamp(40px, 12vw, 52px);
        flex: 0 1 clamp(40px, 12vw, 52px);
        margin: 0;
        padding: 2px;
        border: 0;
    }
    .user-card {
        width: 100%;
        min-width: 0;
        justify-content: center;
        padding: 2px;
        background: transparent;
        border-color: transparent;
    }
    .sidebar-footer .user-avatar {
        width: clamp(34px, 10vw, 40px);
        height: clamp(34px, 10vw, 40px);
        font-size: clamp(12px, 3.5vw, 14px);
    }
    .sidebar-footer .user-avatar { display: flex; }
    .stat-grid { grid-template-columns: 1fr; }
    .login-page { padding: 20px 14px; }
    .login-card { max-height: calc(100vh - 28px); overflow-y: auto; padding: 28px 22px; border-radius: 24px; }
    .login-logo { margin-bottom: 22px; }
    .login-logo-icon { width: 52px; height: 52px; }
    .login-logo-text h1 { font-size: 18px; }
}

/* Popup toàn màn hình trên mobile, máy tính nhỏ hoặc màn hình có chiều cao rất thấp. */
@media (max-width: 1200px), (max-height: 650px) {
    .modal-overlay {
        align-items: stretch;
        padding: 0;
    }

    .modal,
    .modal-lg {
        width: 100vw;
        max-width: none;
        height: 100dvh;
        max-height: none;
        border: 0;
        border-radius: 0;
    }

    .modal-body {
        flex: 1 1 auto;
        padding: 16px;
        overflow-y: auto;
    }

    .modal-header {
        padding: 14px 16px;
    }

    .modal-footer {
        flex-wrap: wrap;
        padding: 12px 16px max(12px, env(safe-area-inset-bottom));
    }
}

/* Hỗ trợ điện thoại rất hẹp, từ 300px. */
.viewport-too-small {
    display: none;
}

@media (max-width: 360px) {
    .page-container {
        padding: 14px 10px calc(22px + var(--mobile-taskbar-height) + var(--mobile-taskbar-bottom));
    }

    .page-header {
        gap: 12px;
        margin-bottom: 18px;
    }

    .page-title {
        font-size: 20px;
        overflow-wrap: anywhere;
    }

    .page-subtitle,
    .card-title,
    .alert,
    .detail-value,
    .sig-info {
        overflow-wrap: anywhere;
    }

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

    .page-actions .btn {
        width: 100%;
        justify-content: center;
    }

    .card-header,
    .card-body {
        padding: 14px 12px;
    }

    .stat-grid,
    .dashboard-page .stat-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .stat-card,
    .dashboard-page .stat-card {
        gap: 10px;
        padding: 12px;
    }

    .search-box {
        min-width: 0;
    }

    .pagination {
        align-items: stretch;
        flex-direction: column;
        gap: 10px;
        padding: 12px 8px;
    }

    .pagination-info {
        text-align: center;
    }

    .pagination-controls {
        justify-content: center;
        flex-wrap: wrap;
    }

    .modal-footer {
        align-items: stretch;
        flex-direction: column-reverse;
    }

    .modal-footer .btn {
        width: 100%;
        justify-content: center;
    }

    .login-page {
        align-items: flex-start;
        padding: 10px;
        overflow-y: auto;
    }

    .login-card {
        max-height: none;
        padding: 22px 14px;
        border-radius: 16px;
    }

    .login-logo {
        align-items: flex-start;
        gap: 8px;
    }

    .login-logo-icon {
        width: 44px;
        height: 44px;
        flex: 0 0 44px;
    }

    .login-logo-text {
        min-width: 0;
    }

    .login-logo-text h1 {
        font-size: 16px;
        overflow-wrap: anywhere;
    }

    .tabs {
        overflow-x: auto;
    }

    .tab-btn {
        flex: 0 0 auto;
        padding-inline: 12px;
    }

    .nav-item {
        padding-inline: 1px;
    }

    .account-menu-popover {
        right: 6px;
        width: calc(100vw - 12px);
    }
}

/* Chỉ chặn thao tác khi thấp hơn kích thước tối thiểu đã công bố. */
@media (max-width: 299px), (max-height: 499px) {
    body {
        overflow: hidden;
    }

    #app > :not(.viewport-too-small) {
        visibility: hidden !important;
        pointer-events: none !important;
    }

    .viewport-too-small {
        position: fixed;
        inset: 0;
        z-index: 50000;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 12px;
        padding: 24px;
        background: var(--color-surface);
        color: var(--color-text-primary);
        text-align: center;
    }

    .viewport-too-small img {
        width: 64px;
        height: 64px;
        object-fit: contain;
    }

    .viewport-too-small h1 {
        font-size: 20px;
        line-height: 1.3;
    }

    .viewport-too-small h1:focus {
        outline: none;
    }

    .viewport-too-small p {
        max-width: 270px;
        color: var(--color-text-secondary);
        font-size: 13px;
        line-height: 1.5;
    }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

@supports not ((-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))) {
    .sidebar { background: #12466d; }
    .card,
    .stat-card,
    .table-wrapper,
    .login-card,
    .modal { background: rgba(247, 252, 255, 0.97); }
    .form-control,
    .page-btn,
    .pagination,
    .detail-item,
    .file-upload-area,
    .sig-item { background: rgba(255, 255, 255, 0.94); }
}