/* =====================================================
   OLT Monitor — Modern CSS Design System
   Premium Dark Sidebar + Glassmorphism + Gradients
   ===================================================== */

/* ---------- CSS Variables ---------- */
:root {
    --sidebar-width: 260px;
    --sidebar-bg: #1a1d29;
    --sidebar-hover: rgba(255,255,255,0.06);
    --sidebar-active: linear-gradient(135deg, #7c3aed 0%, #06b6d4 100%);
    
    --primary: #7c3aed;
    --primary-light: #a78bfa;
    --primary-dark: #5b21b6;
    --accent: #06b6d4;
    --accent-light: #22d3ee;
    
    --bg-main: #f0f2f5;
    --bg-card: rgba(255,255,255,0.85);
    --bg-glass: rgba(255,255,255,0.6);
    
    --text-primary: #1e1e2d;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    --text-white: #f9fafb;
    --text-sidebar: #a1a8c0;
    
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;
    --critical: #dc2626;
    
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 15px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
    --shadow-glow: 0 0 30px rgba(124,58,237,0.15);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font);
    font-size: 14px;
    color: var(--text-primary);
    background: var(--bg-main);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}
a { text-decoration: none; color: inherit; }
button { border: none; cursor: pointer; font-family: var(--font); }
input, select, textarea { font-family: var(--font); }
img { max-width: 100%; }

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(124,58,237,0.3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(124,58,237,0.5); }

/* ---------- Sidebar ---------- */
.sidebar {
    position: fixed;
    top: 0; left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--sidebar-bg);
    display: flex;
    flex-direction: column;
    z-index: 1000;
    transition: var(--transition);
    border-right: 1px solid rgba(255,255,255,0.05);
}
.sidebar::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 200px;
    background: linear-gradient(180deg, rgba(124,58,237,0.08) 0%, transparent 100%);
    pointer-events: none;
}
.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 20px 16px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}
.sidebar-logo i {
    font-size: 24px;
    background: var(--sidebar-active);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.sidebar-logo span {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-white);
    letter-spacing: -0.5px;
}
.sidebar-close {
    display: none;
    background: none;
    color: var(--text-sidebar);
    font-size: 18px;
    padding: 4px;
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 12px 0;
}
.nav-section {
    margin-bottom: 8px;
}
.nav-section-title {
    display: block;
    padding: 12px 20px 6px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1.5px;
    color: var(--text-sidebar);
    opacity: 0.5;
    text-transform: uppercase;
}
.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 20px;
    color: var(--text-sidebar);
    font-size: 13.5px;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    margin: 2px 10px;
    border-radius: var(--radius-sm);
}
.nav-link:hover {
    color: var(--text-white);
    background: var(--sidebar-hover);
}
.nav-link.active {
    color: #fff;
    background: var(--sidebar-active);
    box-shadow: 0 4px 15px rgba(124,58,237,0.3);
}
.nav-link i {
    width: 20px;
    text-align: center;
    font-size: 15px;
}
.nav-badge {
    margin-left: auto;
    background: var(--danger);
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 10px;
    min-width: 22px;
    text-align: center;
    animation: pulse-badge 2s infinite;
}
@keyframes pulse-badge {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid rgba(255,255,255,0.06);
}
.admin-info {
    display: flex;
    align-items: center;
    gap: 12px;
}
.admin-avatar {
    width: 36px; height: 36px;
    border-radius: 50%;
    background: var(--sidebar-active);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 14px;
}
.admin-detail {
    display: flex;
    flex-direction: column;
}
.admin-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-white);
}
.admin-role {
    font-size: 11px;
    color: var(--text-sidebar);
}

/* ---------- Main Content ---------- */
.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}

/* ---------- Top Navbar ---------- */
.top-navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    height: 60px;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255,255,255,0.3);
    box-shadow: var(--shadow-sm);
}
.navbar-left {
    display: flex;
    align-items: center;
    gap: 16px;
}
.menu-toggle {
    display: none;
    background: none;
    color: var(--text-primary);
    font-size: 20px;
    padding: 4px;
}
.breadcrumb {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
}
.navbar-right {
    display: flex;
    align-items: center;
    gap: 16px;
}
.server-time {
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 500;
    font-variant-numeric: tabular-nums;
}
.dropdown { position: relative; }
.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    background: none;
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 500;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}
.dropdown-toggle:hover { background: rgba(124,58,237,0.06); }
.dropdown-toggle .fa-chevron-down { font-size: 10px; color: var(--text-muted); }
.dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: #fff;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 180px;
    padding: 6px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.06);
}
.dropdown-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 14px;
    font-size: 13px;
    color: var(--text-primary);
    border-radius: 6px;
    transition: var(--transition);
}
.dropdown-item:hover { background: var(--bg-main); }
.dropdown-item.text-danger { color: var(--danger); }
.dropdown-divider { height: 1px; background: var(--bg-main); margin: 4px 0; }

/* ---------- Page Content ---------- */
.page-content {
    flex: 1;
    padding: 24px;
}

/* ---------- Cards ---------- */
.card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255,255,255,0.6);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: var(--transition);
    overflow: hidden;
}
.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}
.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 22px;
    border-bottom: 1px solid rgba(0,0,0,0.04);
}
.card-header h3 {
    font-size: 15px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}
.card-body { padding: 22px; }
.card-footer {
    padding: 14px 22px;
    border-top: 1px solid rgba(0,0,0,0.04);
    font-size: 12px;
    color: var(--text-muted);
}

/* ---------- Stats Cards ---------- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}
.stat-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 22px;
    display: flex;
    align-items: center;
    gap: 18px;
    border: 1px solid rgba(255,255,255,0.6);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(10px);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.stat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
}
.stat-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.stat-card.primary::before { background: var(--sidebar-active); }
.stat-card.success::before { background: var(--success); }
.stat-card.warning::before { background: var(--warning); }
.stat-card.danger::before { background: var(--danger); }
.stat-card.info::before { background: var(--info); }

.stat-icon {
    width: 52px; height: 52px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
}
.stat-icon.primary { background: rgba(124,58,237,0.1); color: var(--primary); }
.stat-icon.success { background: rgba(16,185,129,0.1); color: var(--success); }
.stat-icon.warning { background: rgba(245,158,11,0.1); color: var(--warning); }
.stat-icon.danger { background: rgba(239,68,68,0.1); color: var(--danger); }
.stat-icon.info { background: rgba(59,130,246,0.1); color: var(--info); }

.stat-details { flex: 1; }
.stat-label {
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 4px;
}
.stat-value {
    font-size: 26px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.1;
}
.stat-change {
    font-size: 11px;
    margin-top: 4px;
    font-weight: 500;
}
.stat-change.up { color: var(--success); }
.stat-change.down { color: var(--danger); }

/* ---------- Grid Layout ---------- */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 24px;
}
.grid-3 {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 24px;
    margin-bottom: 24px;
}

/* ---------- Tables ---------- */
.table-responsive { overflow-x: auto; }
.data-table {
    width: 100%;
    border-collapse: collapse;
}
.data-table th {
    padding: 12px 16px;
    text-align: left;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--text-secondary);
    background: rgba(0,0,0,0.02);
    border-bottom: 2px solid rgba(0,0,0,0.06);
    white-space: nowrap;
}
.data-table td {
    padding: 12px 16px;
    font-size: 13px;
    border-bottom: 1px solid rgba(0,0,0,0.04);
    vertical-align: middle;
}
.data-table tbody tr {
    transition: var(--transition);
}
.data-table tbody tr:hover {
    background: rgba(124,58,237,0.03);
}
.data-table tbody tr:last-child td {
    border-bottom: none;
}

/* ---------- Badges ---------- */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    white-space: nowrap;
}
.badge-success { background: rgba(16,185,129,0.12); color: #059669; }
.badge-danger { background: rgba(239,68,68,0.12); color: #dc2626; }
.badge-warning { background: rgba(245,158,11,0.12); color: #d97706; }
.badge-info { background: rgba(59,130,246,0.12); color: #2563eb; }
.badge-critical { background: rgba(220,38,38,0.15); color: #b91c1c; }
.badge-secondary { background: rgba(107,114,128,0.12); color: #4b5563; }
.badge-hiosso { background: linear-gradient(135deg, rgba(124,58,237,0.12), rgba(124,58,237,0.2)); color: var(--primary); font-weight: 700; }
.badge-hsgq { background: linear-gradient(135deg, rgba(6,182,212,0.12), rgba(6,182,212,0.2)); color: var(--accent); font-weight: 700; }

.badge .fa-circle { font-size: 6px; }
.pulse { animation: pulse-dot 2s infinite; }
@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 18px;
    font-size: 13px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    cursor: pointer;
    border: none;
    white-space: nowrap;
}
.btn-primary {
    background: var(--sidebar-active);
    color: #fff;
    box-shadow: 0 4px 12px rgba(124,58,237,0.25);
}
.btn-primary:hover {
    box-shadow: 0 6px 20px rgba(124,58,237,0.35);
    transform: translateY(-1px);
}
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #059669; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #dc2626; }
.btn-warning { background: var(--warning); color: #fff; }
.btn-warning:hover { background: #d97706; }
.btn-outline {
    background: transparent;
    border: 1.5px solid rgba(0,0,0,0.12);
    color: var(--text-primary);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-sm { padding: 5px 12px; font-size: 12px; }
.btn-icon {
    width: 34px; height: 34px;
    padding: 0;
    justify-content: center;
    border-radius: var(--radius-sm);
}
.btn-group { display: flex; gap: 6px; }

/* ---------- Forms ---------- */
.form-group { margin-bottom: 18px; }
.form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}
.form-control {
    width: 100%;
    padding: 10px 14px;
    font-size: 13.5px;
    border: 1.5px solid rgba(0,0,0,0.1);
    border-radius: var(--radius-sm);
    background: #fff;
    color: var(--text-primary);
    transition: var(--transition);
    outline: none;
}
.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(124,58,237,0.1);
}
.form-control::placeholder { color: var(--text-muted); }
select.form-control { cursor: pointer; }
textarea.form-control { min-height: 80px; resize: vertical; }
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.form-text {
    font-size: 11.5px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ---------- Search & Filter Bar ---------- */
.toolbar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}
.search-box {
    position: relative;
    flex: 1;
    min-width: 200px;
}
.search-box input {
    width: 100%;
    padding: 9px 14px 9px 38px;
    border: 1.5px solid rgba(0,0,0,0.08);
    border-radius: var(--radius-sm);
    font-size: 13px;
    background: #fff;
    transition: var(--transition);
}
.search-box input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(124,58,237,0.08);
    outline: none;
}
.search-box i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 14px;
}
.filter-select {
    padding: 9px 14px;
    border: 1.5px solid rgba(0,0,0,0.08);
    border-radius: var(--radius-sm);
    font-size: 13px;
    background: #fff;
    cursor: pointer;
    outline: none;
    transition: var(--transition);
}
.filter-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(124,58,237,0.08);
}

/* ---------- Alerts ---------- */
.alert {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    border-radius: var(--radius-md);
    margin: 0 24px 16px;
    font-size: 13.5px;
    font-weight: 500;
    animation: slideDown 0.3s ease;
}
@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}
.alert-success { background: rgba(16,185,129,0.1); color: #059669; border: 1px solid rgba(16,185,129,0.2); }
.alert-danger { background: rgba(239,68,68,0.1); color: #dc2626; border: 1px solid rgba(239,68,68,0.2); }
.alert-warning { background: rgba(245,158,11,0.1); color: #d97706; border: 1px solid rgba(245,158,11,0.2); }
.alert-info { background: rgba(59,130,246,0.1); color: #2563eb; border: 1px solid rgba(59,130,246,0.2); }
.alert-close {
    margin-left: auto;
    background: none;
    color: inherit;
    opacity: 0.6;
    font-size: 14px;
}
.alert-close:hover { opacity: 1; }

/* ---------- Modal ---------- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}
.modal-overlay.show { opacity: 1; visibility: visible; }
.modal {
    background: #fff;
    border-radius: var(--radius-xl);
    width: 90%;
    max-width: 580px;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    transform: scale(0.9) translateY(20px);
    transition: var(--transition);
}
.modal-overlay.show .modal {
    transform: scale(1) translateY(0);
}
.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid rgba(0,0,0,0.06);
}
.modal-title {
    font-size: 17px;
    font-weight: 700;
}
.modal-close {
    background: none;
    color: var(--text-muted);
    font-size: 18px;
    transition: var(--transition);
}
.modal-close:hover { color: var(--danger); }
.modal-body { padding: 24px; }
.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 16px 24px;
    border-top: 1px solid rgba(0,0,0,0.06);
}

/* ---------- Signal Indicators ---------- */
.signal-good { color: var(--success); font-weight: 600; }
.signal-warning { color: var(--warning); font-weight: 600; }
.signal-bad { color: var(--danger); font-weight: 600; }

/* ---------- Footer ---------- */
.main-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 24px;
    font-size: 12px;
    color: var(--text-muted);
    border-top: 1px solid rgba(0,0,0,0.04);
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
}
.connection-status { display: flex; align-items: center; gap: 6px; }
.connection-status .fa-circle { font-size: 7px; color: var(--success); }

/* ---------- Empty State ---------- */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    color: var(--text-muted);
    text-align: center;
}
.empty-state i { font-size: 48px; margin-bottom: 16px; opacity: 0.4; }
.empty-state p { font-size: 14px; }

/* ---------- Login Page ---------- */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a1d29 0%, #2d1b4e 50%, #1a3a4a 100%);
    position: relative;
    overflow: hidden;
}
.login-page::before {
    content: '';
    position: absolute;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(124,58,237,0.15) 0%, transparent 70%);
    top: -200px; right: -100px;
    border-radius: 50%;
    animation: float 8s ease-in-out infinite;
}
.login-page::after {
    content: '';
    position: absolute;
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(6,182,212,0.1) 0%, transparent 70%);
    bottom: -100px; left: -100px;
    border-radius: 50%;
    animation: float 10s ease-in-out infinite 1s;
}
@keyframes float {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-30px) scale(1.05); }
}
.login-card {
    width: 420px;
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255,255,255,0.1);
    padding: 44px 36px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    position: relative;
    z-index: 1;
    animation: fadeUp 0.5s ease;
}
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}
.login-logo {
    text-align: center;
    margin-bottom: 32px;
}
.login-logo i {
    font-size: 42px;
    background: var(--sidebar-active);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 12px;
    display: block;
}
.login-logo h1 {
    color: #fff;
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.5px;
}
.login-logo p {
    color: rgba(255,255,255,0.5);
    font-size: 13px;
    margin-top: 4px;
}
.login-form .form-group { margin-bottom: 20px; }
.login-form .form-label { color: rgba(255,255,255,0.7); }
.login-form .form-control {
    background: rgba(255,255,255,0.06);
    border-color: rgba(255,255,255,0.1);
    color: #fff;
    padding: 12px 14px 12px 42px;
}
.login-form .form-control:focus {
    background: rgba(255,255,255,0.1);
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(124,58,237,0.2);
}
.login-form .form-control::placeholder { color: rgba(255,255,255,0.3); }
.login-form .input-icon {
    position: relative;
}
.login-form .input-icon i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: rgba(255,255,255,0.3);
    font-size: 15px;
}
.login-form .btn-primary {
    width: 100%;
    padding: 13px;
    font-size: 14px;
    margin-top: 8px;
}
.login-error {
    background: rgba(239,68,68,0.12);
    border: 1px solid rgba(239,68,68,0.25);
    color: #fca5a5;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ---------- Chart Container ---------- */
.chart-container {
    position: relative;
    height: 280px;
    padding: 10px 0;
}

/* ---------- Detail Info ---------- */
.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}
.detail-item {
    padding: 14px;
    background: rgba(0,0,0,0.02);
    border-radius: var(--radius-sm);
}
.detail-item .label {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}
.detail-item .value {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
}

/* ---------- Pagination ---------- */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    margin-top: 20px;
}
.pagination a, .pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px; height: 34px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
}
.pagination a:hover { background: rgba(124,58,237,0.08); color: var(--primary); }
.pagination .active-page {
    background: var(--sidebar-active);
    color: #fff;
    box-shadow: 0 2px 8px rgba(124,58,237,0.3);
}

/* ---------- Animations ---------- */
.fade-in {
    animation: fadeIn 0.3s ease;
}
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
.slide-up {
    animation: slideUp 0.4s ease;
}
@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ---------- Loading Spinner ---------- */
.spinner {
    display: inline-block;
    width: 20px; height: 20px;
    border: 2px solid rgba(124,58,237,0.2);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.active {
        transform: translateX(0);
    }
    .sidebar-close { display: block; }
    .menu-toggle { display: block; }
    .main-content { margin-left: 0; }
    .top-navbar { padding: 0 16px; }
    .page-content { padding: 16px; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .toolbar { flex-direction: column; align-items: stretch; }
    .login-card {
        width: 92%;
        padding: 32px 24px;
    }
    .alert { margin: 0 16px 12px; }
}
@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr; }
    .main-footer { flex-direction: column; gap: 8px; text-align: center; }
}