/* Exam Mitra — Admin & Student panels */
:root {
    --panel-sidebar-w: 268px;
    --panel-teal: #0d9488;
    --panel-teal-dark: #0f766e;
    --panel-orange: #f97316;
    --panel-sidebar-bg: #0f172a;
    --panel-sidebar-hover: rgba(255,255,255,0.08);
}

/* Animated brand logo */
.brand-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    color: inherit;
}

.brand-logo-icon {
    display: inline-flex;
    width: 40px;
    height: 40px;
    color: var(--panel-teal);
}

.brand-logo-sm .brand-logo-icon { width: 32px; height: 32px; }
.brand-logo-lg .brand-logo-icon { width: 52px; height: 52px; }

.brand-logo-icon svg,
.brand-logo-img { width: 100%; height: 100%; border-radius: 12px; object-fit: contain; background: rgba(255,255,255,0.06); }
.brand-logo-sm .brand-logo-icon,
.brand-logo-sm .brand-logo-img { width: 32px; height: 32px; border-radius: 8px; }
.brand-logo-lg .brand-logo-icon,
.brand-logo-lg .brand-logo-img { width: 56px; height: 56px; border-radius: 14px; }

.brand-logo-icon svg { width: 100%; height: 100%; }

.brand-ring {
    transform-origin: center;
    animation: brandSpin 12s linear infinite;
}

.brand-cap { animation: brandFloat 3s ease-in-out infinite; }
.brand-dot { animation: brandPulse 2s ease-in-out infinite; }

@keyframes brandSpin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}
@keyframes brandFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-2px); }
}
@keyframes brandPulse {
    0%, 100% { opacity: 1; r: 4; }
    50% { opacity: 0.6; }
}

.brand-logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.15;
}
.brand-logo-text strong { font-weight: 800; letter-spacing: -0.02em; }
.brand-logo-text small { font-size: 0.68rem; opacity: 0.65; font-weight: 500; }

/* App shell */
.app-shell, .admin-shell {
    display: flex;
    min-height: 100vh;
    background: #f1f5f9;
}

.panel-sidebar {
    width: var(--panel-sidebar-w);
    background: var(--panel-sidebar-bg);
    color: #e2e8f0;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow: hidden;
    border-right: 1px solid rgba(255,255,255,0.06);
    z-index: 1040;
}

.panel-sidebar-brand {
    padding: 1.1rem 1rem 0.75rem;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.panel-sidebar-brand .brand-logo { color: #fff; }
.panel-sidebar-brand .brand-logo-text strong {
    background: linear-gradient(90deg, #5eead4, #fff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.panel-sidebar-brand .brand-logo-icon { color: #5eead4; filter: drop-shadow(0 0 8px rgba(94,234,212,0.35)); }

.panel-sidebar-search {
    padding: 0.75rem 1rem;
}

.panel-sidebar-search input {
    background: rgba(255,255,255,0.07);
    border: 1px solid rgba(255,255,255,0.1);
    color: #fff;
    font-size: 0.85rem;
    border-radius: 10px;
}

.panel-sidebar-search input::placeholder { color: rgba(255,255,255,0.45); }
.panel-sidebar-search input:focus {
    background: rgba(255,255,255,0.1);
    border-color: var(--panel-teal);
    color: #fff;
    box-shadow: 0 0 0 3px rgba(13,148,136,0.25);
}

.panel-nav-scroll {
    flex: 1;
    overflow-y: auto;
    padding: 0.5rem 0.65rem 1rem;
}

.panel-nav-label {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(255,255,255,0.35);
    padding: 0.75rem 0.75rem 0.35rem;
    font-weight: 700;
}

.panel-nav-link {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.55rem 0.75rem;
    border-radius: 10px;
    color: #cbd5e1;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: background 0.15s, color 0.15s;
    margin-bottom: 2px;
}

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

.panel-nav-link.active {
    background: linear-gradient(135deg, var(--panel-teal-dark), var(--panel-teal));
    color: #fff;
    box-shadow: 0 4px 14px rgba(13,148,136,0.35);
}

.panel-nav-link i { font-size: 1.1rem; width: 1.25rem; text-align: center; }

.panel-main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.panel-topbar {
    background: #fff;
    border-bottom: 1px solid #e2e8f0;
    padding: 0.65rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    position: sticky;
    top: 0;
    z-index: 1030;
}

.panel-topbar-title {
    font-weight: 700;
    font-size: 1.1rem;
    color: #0f172a;
    white-space: nowrap;
}

.panel-global-search {
    flex: 1;
    max-width: 420px;
    position: relative;
}

.panel-global-search input {
    border-radius: 999px;
    padding-left: 2.25rem;
    border: 1px solid #e2e8f0;
    background: #f8fafc;
    font-size: 0.9rem;
}

.panel-global-search input:focus {
    border-color: var(--panel-teal);
    box-shadow: 0 0 0 3px rgba(13,148,136,0.15);
}

.panel-global-search i {
    position: absolute;
    left: 0.85rem;
    top: 50%;
    transform: translateY(-50%);
    color: #94a3b8;
}

.panel-search-results {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    right: 0;
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    box-shadow: 0 12px 32px rgba(0,0,0,0.12);
    max-height: 320px;
    overflow-y: auto;
    display: none;
    z-index: 1050;
}

.panel-search-results.show { display: block; }

.panel-search-item {
    display: block;
    padding: 0.65rem 1rem;
    text-decoration: none;
    color: #334155;
    border-bottom: 1px solid #f1f5f9;
    font-size: 0.88rem;
}

.panel-search-item:hover { background: #f0fdfa; color: var(--panel-teal-dark); }
.panel-search-item small { display: block; color: #94a3b8; font-size: 0.75rem; }

.panel-content {
    flex: 1;
    padding: 1.25rem;
}

.auto-wa-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    background: linear-gradient(135deg, #ecfdf5, #d1fae5);
    border: 1px solid #6ee7b7;
    color: #047857;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
}

.profile-avatar-upload {
    width: 96px;
    height: 96px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--panel-teal);
    box-shadow: 0 4px 16px rgba(13,148,136,0.25);
}

.plan-admin-card {
    border-radius: 16px;
    border: 1px solid #e2e8f0;
    transition: box-shadow 0.2s;
}

.plan-admin-card.featured {
    border-color: var(--panel-orange);
    box-shadow: 0 0 0 1px rgba(249,115,22,0.2);
}

.panel-mobile-toggle {
    display: none;
    border: none;
    background: transparent;
    font-size: 1.35rem;
    color: #334155;
}

@media (max-width: 991px) {
    .panel-sidebar {
        position: fixed;
        left: -280px;
        transition: left 0.25s ease;
    }
    .panel-sidebar.open { left: 0; }
    .panel-mobile-toggle { display: inline-flex; }
    .panel-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.4);
        z-index: 1035;
    }
    .panel-overlay.show { display: block; }
}

/* Plan lock sidebar */
.panel-nav-link.plan-locked {
    opacity: 0.72;
}
.plan-lock-icon {
    font-size: 0.75rem;
    opacity: 0.7;
}

/* Upgrade modal */
.upgrade-modal { border-radius: 1rem; overflow: hidden; }
.upgrade-modal-header {
    background: linear-gradient(135deg, var(--panel-teal) 0%, var(--panel-teal-dark) 100%);
}
.upgrade-modal-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

/* Admin dashboard */
.admin-hero {
    background: linear-gradient(135deg, #fff 0%, #f0fdfa 100%);
    border: 1px solid #e2e8f0;
    border-radius: 1rem;
    padding: 1.25rem 1.5rem;
}
.admin-stat-card { border-radius: 1rem !important; transition: transform 0.2s, box-shadow 0.2s; }
.admin-stat-card:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(15,23,42,0.08) !important; }
.admin-stat-icon {
    width: 48px; height: 48px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.35rem; flex-shrink: 0;
}
.admin-stat-card.tone-teal .admin-stat-icon { background: #ccfbf1; color: #0d9488; }
.admin-stat-card.tone-blue .admin-stat-icon { background: #dbeafe; color: #2563eb; }
.admin-stat-card.tone-orange .admin-stat-icon { background: #ffedd5; color: #ea580c; }
.admin-stat-card.tone-purple .admin-stat-icon { background: #ede9fe; color: #7c3aed; }
.admin-stat-card.tone-green .admin-stat-icon { background: #dcfce7; color: #16a34a; }
.admin-stat-card.tone-slate .admin-stat-icon { background: #f1f5f9; color: #475569; }
.admin-stat-card.tone-dark .admin-stat-icon { background: #e2e8f0; color: #1e293b; }
.admin-panel-card { border-radius: 1rem !important; }
.admin-shell .panel-content { background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%); }

.notification-bell { color: #475569; padding: 0.35rem 0.5rem; }
.notification-badge {
    position: absolute;
    top: 0;
    right: 0;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    font-size: 0.65rem;
    font-weight: 700;
    line-height: 18px;
    text-align: center;
    color: #fff;
    background: #ef4444;
    border-radius: 999px;
}
.notification-dropdown { width: min(360px, 92vw); padding: 0; }
.notification-item.unread { background: rgba(13,148,136,0.06); }
.notification-time { font-size: 0.7rem; color: #94a3b8; margin-top: 2px; }
.notification-empty-icon {
    width: 64px; height: 64px; margin: 0 auto;
    border-radius: 50%; background: #f1f5f9;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.75rem; color: var(--panel-teal);
}
.notification-row.notification-unread { border-left: 3px solid var(--panel-teal); }
.notification-type-icon { font-size: 1.25rem; padding-top: 2px; }