:root {
    --admin-sidebar: #0b1220;
    --admin-sidebar-hover: #162033;
    --admin-accent: #c8102e;
    --admin-accent-soft: rgba(200, 16, 46, 0.14);
    --admin-bg: #eef2f7;
    --admin-surface: #ffffff;
    --admin-border: #e2e8f0;
    --admin-text: #0f172a;
    --admin-muted: #64748b;
    --admin-success: #059669;
    --admin-warning: #d97706;
    --admin-danger: #dc2626;
    --admin-info: #2563eb;
    --admin-sidebar-width: 272px;
    --admin-topbar-height: 68px;
    --admin-radius: 16px;
    --admin-shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 12px 32px rgba(15, 23, 42, 0.06);
    --admin-font: "DM Sans", "IBM Plex Sans", system-ui, sans-serif;
}

body.admin-app {
    margin: 0;
    min-height: 100vh;
    background:
        radial-gradient(1200px 500px at 10% -10%, rgba(200, 16, 46, 0.07), transparent 55%),
        radial-gradient(900px 400px at 100% 0%, rgba(37, 99, 235, 0.06), transparent 50%),
        var(--admin-bg);
    color: var(--admin-text);
    font-family: var(--admin-font);
}

.admin-shell {
    display: flex;
    min-height: 100vh;
}

.admin-sidebar {
    width: var(--admin-sidebar-width);
    background: linear-gradient(180deg, #111827 0%, var(--admin-sidebar) 100%);
    color: #e2e8f0;
    display: flex;
    flex-direction: column;
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 1040;
    transition: transform 0.25s ease;
}

.admin-brand {
    padding: 1.35rem 1.25rem 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.admin-brand-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: #fff;
}

.admin-brand-logo {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: #fff;
    padding: 4px;
    object-fit: contain;
}

.admin-brand-text {
    min-width: 0;
}

.admin-brand-title {
    font-size: 0.95rem;
    font-weight: 700;
    line-height: 1.2;
}

.admin-brand-subtitle {
    font-size: 0.72rem;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.admin-nav {
    padding: 1rem 0.75rem;
    flex: 1;
}

.admin-nav-label {
    padding: 0.85rem 1.25rem 0.35rem;
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #64748b;
}

.admin-platform-switcher {
    margin: 0 1rem 0.75rem;
    padding: 0.75rem 0.85rem;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.admin-platform-switcher-label {
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #94a3b8;
}

.admin-platform-switcher-value {
    font-size: 0.92rem;
    font-weight: 700;
    color: #f8fafc;
    margin: 0.15rem 0 0.45rem;
}

.admin-platform-switcher-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
}

.admin-platform-switcher-btn {
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(255, 255, 255, 0.04);
    color: #cbd5e1;
    border-radius: 999px;
    padding: 0.2rem 0.55rem;
    font-size: 0.72rem;
    cursor: pointer;
}

.admin-platform-switcher-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.admin-nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.7rem 0.85rem;
    margin-bottom: 0.25rem;
    border-radius: 10px;
    color: #cbd5e1;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    transition: background 0.15s ease, color 0.15s ease;
}

.admin-nav-link:hover {
    background: var(--admin-sidebar-hover);
    color: #fff;
}

.admin-nav-link.active {
    background: var(--admin-accent-soft);
    color: #fff;
    box-shadow: inset 3px 0 0 var(--admin-accent);
}

.admin-nav-link .f7-icons {
    font-size: 1.15rem;
    opacity: 0.9;
}

.admin-nav-badge {
    margin-left: auto;
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    font-size: 0.7rem;
    padding: 0.15rem 0.45rem;
    border-radius: 999px;
    font-weight: 700;
}

.admin-sidebar-footer {
    padding: 1rem 0.75rem 1.25rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.admin-user-card {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    padding: 0.75rem;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.05);
    margin-bottom: 0.75rem;
}

.admin-user-avatar {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: var(--admin-accent);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 700;
    flex-shrink: 0;
}

.admin-user-meta {
    min-width: 0;
}

.admin-user-name {
    font-size: 0.85rem;
    font-weight: 700;
    color: #fff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.admin-user-role {
    font-size: 0.72rem;
    color: #94a3b8;
}

.admin-logout-btn {
    width: 100%;
    border: 1px solid rgba(255, 255, 255, 0.15);
    background: transparent;
    color: #e2e8f0;
    border-radius: 10px;
    padding: 0.55rem 0.75rem;
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s ease, border-color 0.15s ease;
}

.admin-logout-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.25);
}

.admin-main {
    flex: 1;
    margin-left: var(--admin-sidebar-width);
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.admin-topbar {
    height: var(--admin-topbar-height);
    background: var(--admin-surface);
    border-bottom: 1px solid var(--admin-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    position: sticky;
    top: 0;
    z-index: 1030;
}

.admin-topbar-start {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.admin-menu-toggle {
    display: none;
    border: none;
    background: var(--admin-bg);
    width: 38px;
    height: 38px;
    border-radius: 10px;
    color: var(--admin-text);
    cursor: pointer;
}

.admin-page-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin: 0;
    color: var(--admin-text);
}

.admin-page-subtitle {
    font-size: 0.78rem;
    color: var(--admin-muted);
    margin: 0;
}

.admin-topbar-end {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.admin-clock {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.78rem;
    color: var(--admin-muted);
    background: var(--admin-bg);
    padding: 0.4rem 0.7rem;
    border-radius: 999px;
    border: 1px solid var(--admin-border);
}

.admin-content {
    padding: 1.5rem;
    flex: 1;
}

.admin-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.admin-stat-card {
    background: var(--admin-surface);
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius);
    padding: 1rem 1.1rem;
    box-shadow: var(--admin-shadow);
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
}

.admin-stat-icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.admin-stat-icon .f7-icons {
    font-size: 1.2rem;
}

.admin-stat-icon.primary { background: rgba(37, 99, 235, 0.12); color: var(--admin-info); }
.admin-stat-icon.success { background: rgba(5, 150, 105, 0.12); color: var(--admin-success); }
.admin-stat-icon.warning { background: rgba(217, 119, 6, 0.12); color: var(--admin-warning); }
.admin-stat-icon.danger { background: rgba(220, 38, 38, 0.12); color: var(--admin-danger); }
.admin-stat-icon.accent { background: var(--admin-accent-soft); color: var(--admin-accent); }

.admin-stat-value {
    font-size: 1.45rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 0.2rem;
}

.admin-stat-label {
    font-size: 0.78rem;
    color: var(--admin-muted);
    font-weight: 600;
}

.admin-panel {
    background: var(--admin-surface);
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius);
    box-shadow: var(--admin-shadow);
    overflow: hidden;
}

.admin-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1.15rem;
    border-bottom: 1px solid var(--admin-border);
    flex-wrap: wrap;
}

.admin-panel-title {
    font-size: 0.95rem;
    font-weight: 700;
    margin: 0;
}

.admin-toolbar {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    flex-wrap: wrap;
}

.admin-search {
    position: relative;
    min-width: 220px;
}

.admin-search input {
    width: 100%;
    border: 1px solid var(--admin-border);
    border-radius: 10px;
    padding: 0.5rem 0.75rem 0.5rem 2.2rem;
    font-size: 0.85rem;
    background: var(--admin-bg);
}

.admin-search input:focus {
    outline: none;
    border-color: var(--admin-accent);
    box-shadow: 0 0 0 3px var(--admin-accent-soft);
    background: #fff;
}

.admin-search .f7-icons {
    position: absolute;
    left: 0.7rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--admin-muted);
    font-size: 0.95rem;
}

.admin-filter-chip {
    border: 1px solid var(--admin-border);
    background: #fff;
    color: var(--admin-muted);
    border-radius: 999px;
    padding: 0.35rem 0.75rem;
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
}

.admin-filter-chip:hover,
.admin-filter-chip.active {
    border-color: var(--admin-accent);
    color: var(--admin-accent);
    background: var(--admin-accent-soft);
}

.admin-table-wrap {
    overflow-x: auto;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.84rem;
}

.admin-table th {
    text-align: left;
    padding: 0.8rem 1rem;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--admin-muted);
    background: #f8fafc;
    border-bottom: 1px solid var(--admin-border);
    white-space: nowrap;
}

.admin-table td {
    padding: 0.85rem 1rem;
    border-bottom: 1px solid var(--admin-border);
    vertical-align: middle;
}

.admin-table tbody tr:hover {
    background: #fafbfc;
}

.admin-table tbody tr.is-expired {
    background: rgba(220, 38, 38, 0.04);
}

.admin-user-cell {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    min-width: 200px;
}

.admin-user-cell-avatar {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: linear-gradient(135deg, #1d4ed8, #3b82f6);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.78rem;
    font-weight: 700;
    flex-shrink: 0;
}

.admin-user-cell-name {
    font-weight: 700;
    color: var(--admin-text);
}

.admin-user-cell-email {
    font-size: 0.76rem;
    color: var(--admin-muted);
}

.admin-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.25rem 0.55rem;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 700;
    white-space: nowrap;
}

.admin-badge.success { background: rgba(5, 150, 105, 0.12); color: var(--admin-success); }
.admin-badge.warning { background: rgba(217, 119, 6, 0.12); color: var(--admin-warning); }
.admin-badge.danger { background: rgba(220, 38, 38, 0.12); color: var(--admin-danger); }
.admin-badge.info { background: rgba(37, 99, 235, 0.12); color: var(--admin-info); }
.admin-badge.muted { background: #f1f5f9; color: var(--admin-muted); }

.admin-days-bar {
    width: 72px;
    height: 6px;
    background: #e2e8f0;
    border-radius: 999px;
    overflow: hidden;
    margin-top: 0.25rem;
}

.admin-days-bar span {
    display: block;
    height: 100%;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--admin-success), #34d399);
}

.admin-days-bar span.low {
    background: linear-gradient(90deg, var(--admin-warning), #fbbf24);
}

.admin-days-bar span.critical {
    background: linear-gradient(90deg, var(--admin-danger), #f87171);
}

.admin-btn-icon {
    border: 1px solid var(--admin-border);
    background: #fff;
    color: var(--admin-muted);
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.15s ease;
}

.admin-btn-icon:hover {
    border-color: var(--admin-accent);
    color: var(--admin-accent);
    background: var(--admin-accent-soft);
}

.admin-btn-icon .f7-icons {
    font-size: 0.95rem;
}

.admin-detail-row td {
    background: #f8fafc;
    padding: 0;
}

.admin-detail-panel {
    padding: 1rem 1.15rem 1.15rem;
}

.admin-detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 0.85rem;
    margin-bottom: 1rem;
}

.admin-detail-item label {
    display: block;
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--admin-muted);
    margin-bottom: 0.2rem;
    font-weight: 700;
}

.admin-detail-item .value {
    font-size: 0.85rem;
    font-weight: 600;
}

.admin-copyable {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.admin-copyable code {
    background: #fff;
    border: 1px solid var(--admin-border);
    padding: 0.15rem 0.45rem;
    border-radius: 6px;
    font-size: 0.82rem;
}

.admin-detail-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: flex-end;
    padding-top: 0.85rem;
    border-top: 1px solid var(--admin-border);
}

.admin-detail-actions form {
    display: flex;
    align-items: flex-end;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.admin-detail-actions .form-control {
    font-size: 0.82rem;
    border-radius: 8px;
}

.admin-btn-primary {
    background: var(--admin-accent);
    border: 1px solid var(--admin-accent);
    color: #fff;
    border-radius: 8px;
    padding: 0.45rem 0.85rem;
    font-size: 0.82rem;
    font-weight: 700;
    cursor: pointer;
}

.admin-btn-primary:hover {
    background: #a50d26;
    border-color: #a50d26;
    color: #fff;
}

.admin-btn-outline {
    background: #fff;
    border: 1px solid var(--admin-border);
    color: var(--admin-danger);
    border-radius: 8px;
    padding: 0.45rem 0.85rem;
    font-size: 0.82rem;
    font-weight: 700;
    cursor: pointer;
}

.admin-btn-outline:hover {
    background: rgba(220, 38, 38, 0.06);
    border-color: var(--admin-danger);
}

.admin-message-list {
    display: flex;
    flex-direction: column;
}

.admin-message-item {
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
    padding: 1rem 1.15rem;
    border-bottom: 1px solid var(--admin-border);
    text-decoration: none;
    color: inherit;
    transition: background 0.15s ease;
}

.admin-message-item:hover {
    background: #fafbfc;
}

.admin-message-item:last-child {
    border-bottom: none;
}

.admin-message-avatar {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--admin-accent), #e8354a);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

.admin-message-body {
    flex: 1;
    min-width: 0;
}

.admin-message-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 0.2rem;
}

.admin-message-name {
    font-weight: 700;
    font-size: 0.9rem;
}

.admin-message-time {
    font-size: 0.74rem;
    color: var(--admin-muted);
    white-space: nowrap;
}

.admin-message-subject {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--admin-info);
    margin-bottom: 0.15rem;
}

.admin-message-preview {
    font-size: 0.82rem;
    color: var(--admin-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.admin-message-arrow {
    color: var(--admin-muted);
    align-self: center;
}

.admin-thread-header {
    padding: 1.15rem 1.25rem;
    border-bottom: 1px solid var(--admin-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.admin-thread-user {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.admin-chat {
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    max-height: 58vh;
    overflow-y: auto;
    background: linear-gradient(180deg, #f8fafc 0%, #fff 100%);
}

.admin-chat-bubble {
    max-width: min(78%, 640px);
    padding: 0.75rem 0.95rem;
    border-radius: 14px;
    font-size: 0.88rem;
    line-height: 1.55;
    white-space: pre-wrap;
    word-break: break-word;
}

.admin-chat-bubble.user {
    align-self: flex-start;
    background: #fff;
    border: 1px solid var(--admin-border);
    border-bottom-left-radius: 4px;
}

.admin-chat-bubble.system {
    align-self: flex-end;
    background: linear-gradient(135deg, var(--admin-accent), #e8354a);
    color: #fff;
    border-bottom-right-radius: 4px;
}

.admin-chat-meta {
    font-size: 0.7rem;
    margin-bottom: 0.25rem;
    opacity: 0.75;
    font-weight: 600;
}

.admin-reply-panel {
    padding: 1.15rem 1.25rem;
    border-top: 1px solid var(--admin-border);
    background: #fff;
}

.admin-reply-panel textarea {
    border-radius: 12px;
    border: 1px solid var(--admin-border);
    font-size: 0.88rem;
    resize: vertical;
}

.admin-reply-panel textarea:focus {
    border-color: var(--admin-accent);
    box-shadow: 0 0 0 3px var(--admin-accent-soft);
}

.admin-compose-panel {
    border-bottom: 1px solid var(--admin-border);
    background: linear-gradient(180deg, #f8fafc 0%, #fff 100%);
    padding: 1.15rem 1.25rem;
}

.admin-compose-panel[hidden] {
    display: none !important;
}

.admin-compose-grid {
    display: grid;
    grid-template-columns: minmax(220px, 280px) 1fr;
    gap: 1rem;
}

.admin-compose-field label {
    display: block;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--admin-muted);
    font-weight: 700;
    margin-bottom: 0.35rem;
}

.admin-compose-field select,
.admin-compose-field input,
.admin-compose-field textarea {
    width: 100%;
    border: 1px solid var(--admin-border);
    border-radius: 10px;
    padding: 0.55rem 0.75rem;
    font-size: 0.86rem;
    background: #fff;
}

.admin-compose-field select:focus,
.admin-compose-field input:focus,
.admin-compose-field textarea:focus {
    outline: none;
    border-color: var(--admin-accent);
    box-shadow: 0 0 0 3px var(--admin-accent-soft);
}

.admin-compose-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.65rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--admin-border);
}

.admin-message-origin {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.admin-message-origin.student { color: var(--admin-info); }
.admin-message-origin.system { color: var(--admin-accent); }

.admin-empty {
    text-align: center;
    padding: 3rem 1.5rem;
    color: var(--admin-muted);
}

.admin-empty .f7-icons {
    font-size: 2.5rem;
    opacity: 0.35;
    display: block;
    margin-bottom: 0.75rem;
}

.admin-toast-stack {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-width: 360px;
}

.admin-toast {
    background: #fff;
    border: 1px solid var(--admin-border);
    border-left: 4px solid var(--admin-success);
    border-radius: 10px;
    padding: 0.75rem 1rem;
    box-shadow: var(--admin-shadow);
    font-size: 0.85rem;
    animation: admin-toast-in 0.25s ease;
}

.admin-toast.error {
    border-left-color: var(--admin-danger);
}

@keyframes admin-toast-in {
    from { opacity: 0; transform: translateX(12px); }
    to { opacity: 1; transform: translateX(0); }
}

.admin-sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.45);
    z-index: 1035;
}

@media (max-width: 991.98px) {
    .admin-sidebar {
        transform: translateX(-100%);
    }

    .admin-sidebar.open {
        transform: translateX(0);
    }

    .admin-sidebar-backdrop.show {
        display: block;
    }

    .admin-main {
        margin-left: 0;
    }

    .admin-menu-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .admin-content {
        padding: 1rem;
    }

    .admin-topbar {
        padding: 0 1rem;
    }

    .admin-compose-grid {
        grid-template-columns: 1fr;
    }
}

/* ——— CertAI redesign additions ——— */

.admin-brand-mark {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: linear-gradient(145deg, #c8102e 0%, #8b0a1f 100%);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    letter-spacing: 0.02em;
    box-shadow: 0 8px 20px rgba(200, 16, 46, 0.35);
    flex-shrink: 0;
}

.admin-brand-mark .f7-icons {
    font-size: 1.15rem;
}

.admin-brand-mark-lg {
    width: 64px;
    height: 64px;
    border-radius: 18px;
    font-size: 1.35rem;
    margin-bottom: 1.25rem;
}

.admin-platform-switcher-slug {
    display: inline-block;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: #fca5a5;
    margin-bottom: 0.45rem;
}

.admin-nav-badge.warn {
    background: rgba(217, 119, 6, 0.9);
}

.admin-topbar-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    text-decoration: none;
    color: var(--admin-muted);
    font-size: 0.78rem;
    font-weight: 600;
    padding: 0.4rem 0.75rem;
    border-radius: 999px;
    border: 1px solid var(--admin-border);
    background: #fff;
}

.admin-topbar-link:hover {
    color: var(--admin-accent);
    border-color: rgba(200, 16, 46, 0.35);
}

.admin-topbar-link .f7-icons {
    font-size: 0.95rem;
}

.admin-btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    background: #fff;
    border: 1px solid var(--admin-border);
    color: var(--admin-text);
    border-radius: 8px;
    padding: 0.45rem 0.85rem;
    font-size: 0.82rem;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
}

.admin-btn-ghost:hover {
    border-color: var(--admin-accent);
    color: var(--admin-accent);
    background: var(--admin-accent-soft);
}

.admin-btn-sm {
    padding: 0.3rem 0.65rem;
    font-size: 0.76rem;
}

.admin-stat-icon.info { background: rgba(37, 99, 235, 0.12); color: var(--admin-info); }
.admin-stat-icon.muted { background: #f1f5f9; color: var(--admin-muted); }

.admin-badge.accent { background: var(--admin-accent-soft); color: var(--admin-accent); }

.admin-hero-banner {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1.25rem;
    flex-wrap: wrap;
    padding: 1.35rem 1.4rem;
    margin-bottom: 1.25rem;
    border-radius: var(--admin-radius);
    background:
        linear-gradient(135deg, rgba(15, 23, 42, 0.96) 0%, #1e293b 55%, #3f1218 100%);
    color: #fff;
    box-shadow: var(--admin-shadow);
    position: relative;
    overflow: hidden;
}

.admin-hero-banner::after {
    content: "";
    position: absolute;
    inset: auto -40px -60px auto;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(200, 16, 46, 0.45), transparent 70%);
    pointer-events: none;
}

.admin-hero-kicker {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: #94a3b8;
    font-weight: 700;
    margin-bottom: 0.35rem;
}

.admin-hero-title {
    font-size: 1.45rem;
    font-weight: 800;
    margin: 0 0 0.35rem;
}

.admin-hero-text {
    margin: 0;
    max-width: 52ch;
    color: #cbd5e1;
    font-size: 0.9rem;
    line-height: 1.5;
}

.admin-hero-actions {
    display: flex;
    gap: 0.65rem;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

.admin-hero-actions .admin-btn-ghost {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.18);
    color: #fff;
}

.admin-dash-grid {
    display: grid;
    grid-template-columns: 1.4fr 0.9fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.admin-dash-grid-2 {
    grid-template-columns: 1fr 1fr;
}

.admin-attention-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    padding: 1rem 1.15rem 1.15rem;
}

.admin-attention-card {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
    padding: 0.9rem;
    border-radius: 12px;
    border: 1px solid var(--admin-border);
    background: #f8fafc;
    text-decoration: none;
    color: inherit;
    transition: border-color 0.15s ease, transform 0.15s ease;
}

.admin-attention-card:hover {
    border-color: rgba(200, 16, 46, 0.35);
    transform: translateY(-1px);
}

.admin-attention-card .f7-icons {
    color: var(--admin-accent);
    font-size: 1.2rem;
    margin-top: 0.1rem;
}

.admin-attention-card strong {
    display: block;
    font-size: 0.88rem;
    margin-bottom: 0.15rem;
}

.admin-attention-card span {
    display: block;
    font-size: 0.78rem;
    color: var(--admin-muted);
    line-height: 1.4;
}

.admin-pricing-card {
    padding: 1.25rem 1.35rem 1.4rem;
}

.admin-pricing-amount {
    display: flex;
    align-items: baseline;
    gap: 0.4rem;
    margin-bottom: 0.75rem;
}

.admin-pricing-amount .currency {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--admin-muted);
}

.admin-pricing-amount .price {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.03em;
}

.admin-pricing-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
    font-size: 0.82rem;
    color: var(--admin-muted);
    font-weight: 600;
}

.admin-pricing-notes {
    margin: 0.85rem 0 0;
    font-size: 0.84rem;
    color: var(--admin-muted);
    line-height: 1.45;
}

.admin-form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.85rem;
}

.admin-suggestion-list {
    display: flex;
    flex-direction: column;
}

.admin-suggestion-card {
    display: grid;
    grid-template-columns: 1.4fr 0.9fr;
    gap: 1rem;
    padding: 1.15rem 1.25rem;
    border-bottom: 1px solid var(--admin-border);
}

.admin-suggestion-card:last-child {
    border-bottom: none;
}

.admin-suggestion-subject {
    font-size: 1rem;
    font-weight: 750;
    margin: 0 0 0.35rem;
}

.admin-suggestion-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    font-size: 0.76rem;
    color: var(--admin-muted);
    margin-bottom: 0.65rem;
}

.admin-suggestion-body {
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.55;
    color: #334155;
    white-space: pre-wrap;
}

.admin-suggestion-form {
    background: #f8fafc;
    border: 1px solid var(--admin-border);
    border-radius: 12px;
    padding: 0.9rem;
}

/* Login */
.admin-login-page {
    margin: 0;
    min-height: 100vh;
    font-family: var(--admin-font);
    background: #0b1220;
}

.admin-login-shell {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    min-height: 100vh;
}

.admin-login-hero {
    position: relative;
    padding: 3rem;
    background:
        linear-gradient(160deg, rgba(11, 18, 32, 0.55), rgba(11, 18, 32, 0.9)),
        linear-gradient(135deg, #1e293b 0%, #0b1220 45%, #3f1218 100%);
    color: #fff;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.admin-login-hero::before {
    content: "";
    position: absolute;
    inset: -20% auto auto 40%;
    width: 420px;
    height: 420px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(200, 16, 46, 0.35), transparent 70%);
}

.admin-login-hero-inner {
    position: relative;
    z-index: 1;
    max-width: 460px;
}

.admin-login-hero h1 {
    font-size: 2.2rem;
    font-weight: 800;
    margin: 0 0 0.75rem;
    letter-spacing: -0.03em;
}

.admin-login-hero p {
    color: #cbd5e1;
    font-size: 1rem;
    line-height: 1.6;
    margin: 0 0 1.5rem;
}

.admin-login-points {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 0.65rem;
}

.admin-login-points li {
    position: relative;
    padding-left: 1.25rem;
    color: #e2e8f0;
    font-size: 0.92rem;
    font-weight: 500;
}

.admin-login-points li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.45rem;
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    background: var(--admin-accent);
}

.admin-login-form-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background:
        radial-gradient(600px 300px at 80% 10%, rgba(200, 16, 46, 0.08), transparent 60%),
        #eef2f7;
}

.admin-login-card {
    width: 100%;
    max-width: 420px;
    background: #fff;
    border: 1px solid var(--admin-border);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--admin-shadow);
}

.admin-login-kicker {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--admin-accent);
    font-weight: 800;
    margin-bottom: 0.35rem;
}

.admin-login-card .form-control-lg {
    border-radius: 12px;
    font-size: 0.95rem;
}

@media (max-width: 991.98px) {
    .admin-dash-grid,
    .admin-dash-grid-2,
    .admin-attention-grid,
    .admin-suggestion-card,
    .admin-login-shell,
    .admin-form-grid {
        grid-template-columns: 1fr;
    }

    .admin-login-hero {
        display: none;
    }
}