@import url('https://fonts.googleapis.com/css2?family=Kanit:wght@300;400;500;600;700&family=Inter:wght@300;400;500;600;700&display=swap');

[class^="icon-"]::before,
[class*=" icon-"]::before {
    font-style: normal;
}

.nav-icon i[class^="icon-"],
.stat-icon i[class^="icon-"],
.card-header i[class^="icon-"],
.btn i[class^="icon-"],
.report-btn i[class^="icon-"] {
    font-size: inherit;
    vertical-align: middle;
}

.nav-icon i[class^="icon-"] {
    font-size: 22px;
}

.stat-icon i[class^="icon-"] {
    font-size: 28px;
}

.card-header i[class^="icon-"] {
    font-size: 20px;
    margin-right: 6px;
    vertical-align: middle;
}

.btn i[class^="icon-"] {
    font-size: 16px;
    margin-right: 4px;
    vertical-align: middle;
}

.report-btn i[class^="icon-"] {
    font-size: 18px;
    margin-right: 6px;
    vertical-align: middle;
}

:root {
    --primary: #4f46e5;
    --primary-light: #818cf8;
    --primary-dark: #3730a3;
    --primary-50: #eef2ff;
    --primary-100: #e0e7ff;
    --primary-200: #c7d2fe;
    --accent: #06b6d4;
    --accent-dark: #0891b2;
    --success: #10b981;
    --success-light: #d1fae5;
    --success-dark: #059669;
    --warning: #f59e0b;
    --warning-light: #fef3c7;
    --warning-dark: #d97706;
    --danger: #ef4444;
    --danger-light: #fee2e2;
    --danger-dark: #dc2626;
    --info: #3b82f6;
    --info-light: #dbeafe;

    --bg-body: #f8fafc;
    --bg-card: #ffffff;
    --bg-sidebar: #1e1b4b;
    --bg-sidebar-hover: rgba(255, 255, 255, 0.08);
    --bg-sidebar-active: rgba(99, 102, 241, 0.3);
    --bg-muted: #f1f5f9;

    --border: #e2e8f0;
    --border-light: #f1f5f9;

    --text-900: #0f172a;
    --text-700: #334155;
    --text-500: #64748b;
    --text-400: #94a3b8;
    --text-300: #cbd5e1;

    --sidebar-w: 260px;
    --header-h: 64px;
    --radius-sm: 6px;
    --radius: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;

    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);

    --transition: 0.2s ease;
    --transition-slow: 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Kanit', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-body);
    color: var(--text-900);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background: var(--primary-200);
    color: var(--primary-dark);
}

::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--text-300);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-400);
}

.app-container {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: var(--sidebar-w);
    background: linear-gradient(180deg, var(--bg-sidebar) 0%, #312e81 100%);
    color: #fff;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 1000;
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    padding: 24px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-header h1 {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 2px;
    background: linear-gradient(135deg, #fff 0%, #c7d2fe 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sidebar-header p {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.5);
    font-weight: 300;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.nav-menu {
    list-style: none;
    padding: 12px 8px;
    flex: 1;
}

.nav-menu li {
    margin-bottom: 2px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 16px;
    color: rgba(255, 255, 255, 0.65);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 400;
    position: relative;
}

.nav-item:hover {
    background: var(--bg-sidebar-hover);
    color: rgba(255, 255, 255, 0.95);
}

.nav-item.active {
    background: var(--bg-sidebar-active);
    color: #fff;
    font-weight: 500;
}

.nav-item.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 60%;
    background: var(--primary-light);
    border-radius: 0 3px 3px 0;
}

.nav-icon {
    font-size: 1.15rem;
    width: 22px;
    text-align: center;
    flex-shrink: 0;
}

.nav-text {
    font-size: 0.88rem;
}

.main-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    margin-left: var(--sidebar-w);
}

.main-content {
    flex: 1;
    padding: 24px;
    max-width: 1400px;
}

.top-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding: 16px 24px;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
}

.top-header h2 {
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--text-900);
    letter-spacing: -0.01em;
}

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

.btn-alert-bell {
    position: relative;
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 10px;
    background: var(--bg-muted);
    color: var(--text-500);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    font-size: 20px;
}
.btn-alert-bell:hover {
    background: var(--primary-100);
    color: var(--primary);
}
.btn-alert-bell.has-alerts {
    background: #fef3c7;
    color: var(--warning-dark);
}
.btn-alert-bell.has-alerts:hover {
    background: #fde68a;
}

.bell-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    min-width: 18px;
    height: 18px;
    border-radius: 9px;
    background: var(--danger);
    color: #fff;
    font-size: 0.65rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
    line-height: 1;
    border: 2px solid var(--bg-card);
    animation: badgePop 0.3s ease;
}

@keyframes badgePop {
    0% { transform: scale(0); }
    60% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

.btn-alert-bell.has-alerts i {
    animation: bellRing 2s ease infinite;
}

@keyframes bellRing {
    0%, 80%, 100% { transform: rotate(0); }
    8% { transform: rotate(15deg); }
    16% { transform: rotate(-13deg); }
    24% { transform: rotate(10deg); }
    32% { transform: rotate(-8deg); }
    40% { transform: rotate(5deg); }
    48% { transform: rotate(0); }
}

.current-date {
    color: var(--text-400);
    font-size: 0.85rem;
    font-weight: 300;
    padding: 6px 12px;
    background: var(--bg-muted);
    border-radius: var(--radius-sm);
}

.page {
    display: none;
    animation: pageIn 0.3s ease;
}

.page.active {
    display: block;
}

@keyframes pageIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--bg-card);
    padding: 22px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xs);
    border: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    gap: 16px;
    transition: all var(--transition-slow);
    position: relative;
    overflow: hidden;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    border-radius: 4px 0 0 4px;
}

.stat-card.primary::after {
    background: linear-gradient(180deg, var(--primary), var(--primary-light));
}

.stat-card.success::after {
    background: linear-gradient(180deg, var(--success), #34d399);
}

.stat-card.warning::after {
    background: linear-gradient(180deg, var(--warning), #fbbf24);
}

.stat-card.danger::after {
    background: linear-gradient(180deg, var(--danger), #f87171);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
}

.stat-card.primary .stat-icon {
    background: var(--primary-50);
}

.stat-card.success .stat-icon {
    background: var(--success-light);
}

.stat-card.warning .stat-icon {
    background: var(--warning-light);
}

.stat-card.danger .stat-icon {
    background: var(--danger-light);
}

.stat-info h3 {
    font-size: 0.78rem;
    color: var(--text-500);
    font-weight: 400;
    margin-bottom: 2px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-900);
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.stat-label {
    font-size: 0.72rem;
    color: var(--text-400);
    font-weight: 300;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 24px;
}

.card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-xs);
    border: 1px solid var(--border-light);
    margin-bottom: 20px;
    transition: box-shadow var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-sm);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 18px;
    flex-wrap: wrap;
    gap: 12px;
}

.card-header h3 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-900);
    letter-spacing: -0.01em;
}

.card-content {
    flex: 1;
}

.btn {
    padding: 9px 18px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition);
    font-weight: 500;
    font-family: inherit;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    letter-spacing: 0.01em;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 1px 3px rgba(79, 70, 229, 0.3);
}

.btn-primary:hover {
    background: var(--primary-dark);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.35);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--bg-muted);
    color: var(--text-700);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--border);
}

.btn-success {
    background: var(--success);
    color: #fff;
    box-shadow: 0 1px 3px rgba(16, 185, 129, 0.3);
}

.btn-success:hover {
    background: var(--success-dark);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.35);
}

.btn-warning {
    background: var(--warning);
    color: #fff;
    box-shadow: 0 1px 3px rgba(245, 158, 11, 0.3);
}

.btn-warning:hover {
    background: var(--warning-dark);
}

.btn-danger {
    background: var(--danger);
    color: #fff;
    box-shadow: 0 1px 3px rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
    background: var(--danger-dark);
}

.btn-info {
    background: var(--info);
    color: #fff;
    box-shadow: 0 1px 3px rgba(59, 130, 246, 0.3);
}

.btn-info:hover {
    background: #2563eb;
}

.btn-sm {
    padding: 5px 12px;
    font-size: 0.8rem;
    border-radius: 5px;
}

.table-container {
    overflow-x: auto;
    border-radius: var(--radius);
    border: 1px solid var(--border-light);
}

table {
    width: 100%;
    border-collapse: collapse;
}

thead {
    background: var(--bg-muted);
}

thead th {
    padding: 11px 14px;
    text-align: left;
    font-weight: 500;
    color: var(--text-500);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

tbody td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border-light);
    font-size: 0.88rem;
    color: var(--text-700);
}

tbody tr:last-child td {
    border-bottom: none;
}

tbody tr {
    transition: background var(--transition);
}

tbody tr:hover {
    background: var(--primary-50);
}

.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.01em;
}

.status-active, .status-installed {
    background: var(--success-light);
    color: #065f46;
}

.status-inactive, .status-removed {
    background: var(--danger-light);
    color: #991b1b;
}

.status-maintenance {
    background: var(--warning-light);
    color: #92400e;
}

.empty-state {
    text-align: center;
    color: var(--text-400);
    padding: 40px 20px;
    font-size: 0.9rem;
    font-weight: 300;
}

.list-container {
    max-height: 300px;
    overflow-y: auto;
}

.list-item {
    padding: 14px 16px;
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    margin-bottom: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all var(--transition);
    background: var(--bg-card);
}

.list-item:hover {
    background: var(--primary-50);
    border-color: var(--primary-200);
}

.list-item-info h4 {
    margin-bottom: 3px;
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--text-900);
}

.list-item-info p {
    color: var(--text-500);
    font-size: 0.82rem;
    font-weight: 300;
}

.stats-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.stat-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 14px;
    background: var(--bg-muted);
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
}

.stat-row span {
    color: var(--text-700);
    font-weight: 400;
}

.stat-row strong {
    color: var(--primary);
    font-weight: 600;
}

.filter-bar {
    display: flex;
    gap: 10px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.filter-bar input,
.filter-bar select {
    padding: 9px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    font-family: inherit;
    background: var(--bg-card);
    color: var(--text-700);
    transition: all var(--transition);
}

.filter-bar input {
    flex: 1;
    min-width: 200px;
}

.filter-bar input:focus,
.filter-bar select:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px var(--primary-100);
}

.report-section {
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-light);
}

.report-section:last-child {
    border-bottom: none;
}

.report-section h4 {
    margin-bottom: 14px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-900);
}

.report-options {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.report-btn {
    padding: 10px 18px;
    border: 1px solid var(--border);
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
    font-size: 0.85rem;
    font-family: inherit;
    color: var(--text-700);
    font-weight: 400;
}

.report-btn:hover {
    border-color: var(--primary-light);
    color: var(--primary);
    background: var(--primary-50);
}

.report-btn.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    box-shadow: 0 2px 8px rgba(79, 70, 229, 0.3);
}

.filter-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 14px;
    margin-bottom: 16px;
}

.report-preview {
    background: var(--bg-muted);
    padding: 20px;
    border-radius: var(--radius);
    min-height: 200px;
    border: 1px dashed var(--border);
}

.report-preview table {
    background: var(--bg-card);
    border-radius: var(--radius);
    overflow: hidden;
}

.template-columns {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 10px;
}

.template-column-item {
    display: flex;
    align-items: center;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    cursor: pointer;
    transition: all var(--transition);
    font-size: 0.88rem;
}

.template-column-item:hover {
    border-color: var(--primary-light);
    background: var(--primary-50);
}

.template-column-item.selected {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.template-column-item input {
    margin-right: 10px;
}

.pm-filters {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.pm-filters label {
    font-weight: 500;
    color: var(--text-700);
    font-size: 0.88rem;
}

.pm-filter-btn {
    padding: 6px 16px;
    border: 1px solid var(--border);
    background: var(--bg-card);
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.82rem;
    font-family: inherit;
    transition: all var(--transition);
    color: var(--text-700);
}

.pm-filter-btn:hover {
    border-color: var(--primary-light);
    color: var(--primary);
}

.pm-filter-btn.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.pm-due-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.pm-due-item {
    padding: 16px 18px;
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    background: var(--bg-card);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all var(--transition);
}

.pm-due-item:hover {
    box-shadow: var(--shadow-sm);
}

.pm-due-item.urgent {
    border-left: 4px solid var(--danger);
    background: linear-gradient(90deg, #fef2f2 0%, var(--bg-card) 100%);
}

.pm-due-item.warning {
    border-left: 4px solid var(--warning);
    background: linear-gradient(90deg, #fffbeb 0%, var(--bg-card) 100%);
}

.pm-due-info h4 {
    margin-bottom: 4px;
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--text-900);
}

.pm-due-info p {
    color: var(--text-500);
    font-size: 0.82rem;
    font-weight: 300;
}

.action-buttons {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    animation: fadeIn 0.2s ease;
}

.modal.active {
    display: flex;
    justify-content: center;
    align-items: center;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: var(--bg-card);
    padding: 28px;
    border-radius: var(--radius-xl);
    max-width: 520px;
    width: 92%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: slideIn 0.25s ease;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-light);
}

@keyframes slideIn {
    from {
        transform: translateY(-20px) scale(0.98);
        opacity: 0;
    }
    to {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

.close {
    position: absolute;
    right: 18px;
    top: 18px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    cursor: pointer;
    color: var(--text-400);
    border-radius: 50%;
    transition: all var(--transition);
    background: var(--bg-muted);
    border: none;
}

.close:hover {
    background: var(--danger-light);
    color: var(--danger);
}

.modal-content h2 {
    margin-bottom: 22px;
    color: var(--text-900);
    font-size: 1.15rem;
    font-weight: 600;
    padding-right: 40px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: var(--text-700);
    font-size: 0.82rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    font-family: inherit;
    transition: all var(--transition);
    background: var(--bg-card);
    color: var(--text-900);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px var(--primary-100);
}

.form-group textarea {
    resize: vertical;
    min-height: 60px;
}

.form-actions {
    display: flex;
    gap: 10px;
    margin-top: 22px;
    padding-top: 18px;
    border-top: 1px solid var(--border-light);
}

.form-actions button {
    flex: 1;
}

input[type="date"] {
    color-scheme: light;
}

.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 14px 20px;
    border-radius: var(--radius);
    color: #1e293b;
    font-weight: 500;
    z-index: 3000;
    animation: slideInRight 0.3s ease, fadeOut 0.3s ease 2.7s;
    max-width: 360px;
    font-size: 0.88rem;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 8px;
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes fadeOut {
    from { opacity: 1; }
    to { opacity: 0; }
}

.notification.success {
    background: var(--success-light);
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.notification.error {
    background: var(--danger-light);
    color: #991b1b;
    border: 1px solid #fecaca;
}

.notification.warning {
    background: var(--warning-light);
    color: #92400e;
    border: 1px solid #fde68a;
}

.maintenance-alert-panel {
    position: fixed;
    top: 16px;
    right: 16px;
    z-index: 3500;
    max-width: 420px;
    width: calc(100vw - 32px);
    font-family: 'Kanit', 'Inter', sans-serif;
}

.maintenance-alert {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.18), 0 2px 8px rgba(0,0,0,0.08);
    overflow: hidden;
    border: 1px solid #e2e8f0;
}

.maintenance-alert.alert-danger {
    border-left: 5px solid var(--danger);
}
.maintenance-alert.alert-info {
    border-left: 5px solid var(--info);
}

.maintenance-alert-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 16px;
    background: #f8fafc;
    border-bottom: 1px solid #e2e8f0;
}

.maintenance-alert-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    color: #1e293b;
}

.maintenance-alert-title i {
    color: var(--warning);
    font-size: 20px;
}

.maintenance-alert.alert-danger .maintenance-alert-title i {
    color: var(--danger);
    animation: bellShake 0.8s ease infinite;
}

@keyframes bellShake {
    0%, 100% { transform: rotate(0); }
    15% { transform: rotate(12deg); }
    30% { transform: rotate(-10deg); }
    45% { transform: rotate(8deg); }
    60% { transform: rotate(-6deg); }
    75% { transform: rotate(3deg); }
}

.maintenance-alert-close {
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    border-radius: 6px;
    color: #94a3b8;
    display: flex;
    align-items: center;
    transition: all 0.2s;
}
.maintenance-alert-close:hover {
    background: #e2e8f0;
    color: #475569;
}
.maintenance-alert-close i {
    font-size: 18px;
}

.maintenance-alert-body {
    padding: 12px 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-height: 280px;
    overflow-y: auto;
}

.maintenance-alert-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 8px;
    background: #f8fafc;
}

.maintenance-alert-item.alert-danger {
    background: #fef2f2;
    border: 1px solid #fecaca;
}
.maintenance-alert-item.alert-warning {
    background: #fffbeb;
    border: 1px solid #fde68a;
}
.maintenance-alert-item.alert-info {
    background: #eff6ff;
    border: 1px solid #bfdbfe;
}

.alert-item-icon {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.alert-danger .alert-item-icon {
    background: #fee2e2;
    color: var(--danger);
}
.alert-warning .alert-item-icon {
    background: #fef3c7;
    color: var(--warning-dark);
}
.alert-info .alert-item-icon {
    background: #dbeafe;
    color: var(--info);
}

.alert-item-content strong {
    display: block;
    font-size: 0.85rem;
    color: #1e293b;
    margin-bottom: 2px;
}

.alert-item-content p {
    font-size: 0.8rem;
    color: #64748b;
    margin: 0;
    line-height: 1.4;
}

.alert-item-cars {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.75rem;
    color: #475569;
    background: #e2e8f0;
    padding: 2px 8px;
    border-radius: 4px;
    margin-top: 4px;
}

.maintenance-alert-footer {
    padding: 10px 16px;
    border-top: 1px solid #e2e8f0;
    display: flex;
    justify-content: flex-end;
    background: #f8fafc;
}

.pm-detail-section {
    margin-bottom: 4px;
}

.pm-section-toggle {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s;
    user-select: none;
}
.pm-section-toggle:hover {
    background: #f1f5f9;
}

.pm-section-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.82rem;
    font-weight: 600;
}
.pm-section-label i {
    font-size: 16px;
}
.pm-section-label.urgent {
    color: var(--danger);
}
.pm-section-label.warn {
    color: var(--warning-dark);
}
.pm-section-label.info {
    color: var(--info);
}

.pm-section-toggle .toggle-icon {
    font-size: 16px;
    color: #94a3b8;
    transition: transform 0.3s ease;
}

.pm-detail-section.expanded .toggle-icon {
    transform: rotate(180deg);
}

.pm-section-content {
    display: none;
    padding: 4px 0;
}
.pm-detail-section.expanded .pm-section-content {
    display: block;
}

.pm-detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    border-radius: 6px;
    margin-bottom: 4px;
    background: #f8fafc;
    gap: 8px;
}
.pm-detail-row[data-status="overdue"] {
    background: #fef2f2;
    border-left: 3px solid var(--danger);
}
.pm-detail-row[data-status="critical"] {
    background: #fffbeb;
    border-left: 3px solid var(--warning);
}
.pm-detail-row[data-status="warning"] {
    background: #fffbeb;
    border-left: 3px solid #fbbf24;
}
.pm-detail-row[data-status="normal"] {
    background: #f0f9ff;
    border-left: 3px solid var(--info);
}

.pm-detail-name {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    flex: 1;
    min-width: 0;
}

.pm-status {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 4px;
    white-space: nowrap;
    margin-top: 2px;
    flex-shrink: 0;
}
.pm-status.overdue {
    background: #fee2e2;
    color: var(--danger);
}
.pm-status.critical {
    background: #fef3c7;
    color: #b45309;
}
.pm-status.warning {
    background: #fef9c3;
    color: #a16207;
}
.pm-status.normal {
    background: #dbeafe;
    color: var(--info);
}

.pm-detail-name strong {
    display: block;
    font-size: 0.8rem;
    color: #1e293b;
    line-height: 1.3;
}

.pm-detail-plate {
    font-size: 0.72rem;
    color: #64748b;
    display: inline-flex;
    align-items: center;
    gap: 3px;
    margin-top: 1px;
}

.pm-detail-countdown {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
    flex-shrink: 0;
}

.countdown-block {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.78rem;
    font-weight: 500;
    color: #475569;
    white-space: nowrap;
}
.countdown-block i {
    font-size: 13px;
    color: #94a3b8;
}
.countdown-block.overdue {
    color: var(--danger);
    font-weight: 600;
}
.countdown-block.overdue i {
    color: var(--danger);
}
.countdown-block.critical {
    color: #b45309;
}
.countdown-block.critical i {
    color: #f59e0b;
}

.mobile-menu-toggle {
    display: none;
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 50%;
    font-size: 1.3rem;
    cursor: pointer;
    z-index: 1100;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-slow);
    align-items: center;
    justify-content: center;
}

.mobile-menu-toggle:hover {
    background: var(--primary-dark);
    transform: scale(1.05);
}

.mobile-menu-toggle.active {
    background: var(--danger);
}

.mobile-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(2px);
    z-index: 999;
}

.mobile-overlay.active {
    display: block;
}

@media (max-width: 1200px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 1024px) {
    .sidebar {
        width: 72px;
    }

    .sidebar-header h1,
    .sidebar-header p,
    .nav-text {
        display: none;
    }

    .sidebar-header {
        padding: 16px 8px;
        text-align: center;
    }

    .nav-menu {
        padding: 8px;
    }

    .nav-item {
        justify-content: center;
        padding: 14px 8px;
    }

    .nav-icon {
        margin-right: 0;
        font-size: 1.3rem;
    }

    .main-wrapper {
        margin-left: 72px;
    }

    .main-content {
        padding: 18px;
    }

    .dashboard-grid {
        grid-template-columns: 1fr;
    }

    .hide-on-tablet {
        display: none;
    }

    .hide-on-mobile,
    .hide-on-small-mobile {
        display: table-cell;
    }
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .sidebar {
        width: 280px;
        height: 100vh;
        position: fixed;
        left: -280px;
        transition: left var(--transition-slow);
        z-index: 1000;
        box-shadow: none;
    }

    .sidebar.active {
        left: 0;
        box-shadow: var(--shadow-lg);
    }

    .sidebar-header h1,
    .sidebar-header p,
    .nav-text {
        display: block;
    }

    .sidebar-header {
        padding: 24px 20px;
        text-align: left;
    }

    .nav-item {
        justify-content: flex-start;
        padding: 11px 16px;
    }

    .nav-icon {
        margin-right: 0;
    }

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

    .main-content {
        padding: 14px;
        padding-bottom: 80px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .stat-card {
        padding: 16px;
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }

    .stat-card::after {
        width: 100%;
        height: 3px;
        border-radius: 3px 3px 0 0;
    }

    .stat-icon {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }

    .stat-value {
        font-size: 1.4rem;
    }

    .stat-info h3 {
        font-size: 0.72rem;
    }

    .top-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
        padding: 14px 16px;
    }

    .top-header h2 {
        font-size: 1.15rem;
    }

    .header-actions {
        width: 100%;
        justify-content: space-between;
        flex-wrap: wrap;
    }

    .card {
        padding: 16px;
        margin-bottom: 14px;
        border-radius: var(--radius);
    }

    .card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .card-header h3 {
        font-size: 0.95rem;
    }

    .btn {
        padding: 8px 14px;
        font-size: 0.82rem;
    }

    .btn-sm {
        padding: 5px 10px;
        font-size: 0.78rem;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .form-group label {
        font-size: 0.8rem;
    }

    .form-actions {
        flex-direction: column;
        gap: 8px;
    }

    .form-actions button {
        width: 100%;
    }

    .filter-bar {
        flex-direction: column;
        gap: 8px;
    }

    .filter-bar input,
    .filter-bar select {
        width: 100%;
        min-width: unset;
    }

    .pm-filters {
        flex-wrap: wrap;
        gap: 6px;
    }

    .pm-filters label {
        width: 100%;
        margin-bottom: 4px;
    }

    .pm-filter-btn {
        padding: 5px 12px;
        font-size: 0.78rem;
        flex: 1;
        min-width: 60px;
        text-align: center;
    }

    .table-container {
        -webkit-overflow-scrolling: touch;
        border-radius: var(--radius);
    }

    table {
        font-size: 0.82rem;
        min-width: 600px;
    }

    thead th, tbody td {
        padding: 10px 10px;
        white-space: nowrap;
    }

    thead th {
        font-size: 0.72rem;
    }

    .hide-on-mobile {
        display: none;
    }

    .action-buttons {
        flex-direction: row;
        gap: 4px;
    }

    .action-buttons .btn-sm {
        padding: 4px 8px;
        font-size: 0.73rem;
    }

    .status-badge {
        padding: 3px 8px;
        font-size: 0.7rem;
    }

    .report-section {
        margin-bottom: 18px;
    }

    .report-options {
        flex-direction: column;
        gap: 8px;
    }

    .report-btn {
        width: 100%;
        padding: 12px;
        text-align: left;
    }

    .filter-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .report-preview {
        padding: 14px;
        font-size: 0.82rem;
    }

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

    .list-container {
        max-height: 250px;
    }

    .list-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
        padding: 14px;
    }

    .list-item .action-buttons {
        width: 100%;
        justify-content: flex-end;
    }

    .pm-due-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
        padding: 14px;
    }

    .pm-due-item .action-buttons {
        width: 100%;
    }

    .stats-list {
        gap: 6px;
    }

    .stat-row {
        padding: 10px 12px;
        font-size: 0.85rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }

    .car-info-summary {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
        padding: 14px;
    }

    .modal-content {
        padding: 20px;
        width: 95%;
        max-height: 85vh;
        border-radius: var(--radius-lg);
    }

    .modal-content h2 {
        font-size: 1.05rem;
    }

    .notification {
        top: 10px;
        right: 10px;
        left: 10px;
        max-width: none;
        padding: 12px 16px;
        font-size: 0.82rem;
    }

    .maintenance-alert-panel {
        top: 10px;
        right: 10px;
        left: 10px;
        max-width: none;
    }

    .card .table-container {
        margin: 0;
        border-radius: var(--radius);
    }
}

@media (max-width: 480px) {
    .main-content {
        padding: 10px;
        padding-bottom: 80px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .stat-card {
        padding: 14px;
        flex-direction: row;
        text-align: left;
    }

    .stat-card::after {
        width: 3px;
        height: 100%;
        border-radius: 3px;
    }

    .stat-icon {
        font-size: 1.5rem;
        width: 42px;
        height: 42px;
    }

    .top-header h2 {
        font-size: 1.05rem;
    }

    .btn {
        padding: 7px 12px;
        font-size: 0.78rem;
    }

    table {
        font-size: 0.75rem;
    }

    thead th, tbody td {
        padding: 8px 8px;
    }

    .hide-on-small-mobile {
        display: none;
    }

    .hide-on-mobile {
        display: none;
    }

    .modal-content {
        padding: 16px;
        border-radius: var(--radius);
    }

    .car-info-summary {
        grid-template-columns: 1fr;
    }

    .dashboard-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }
}

@media (max-width: 768px) and (orientation: landscape) {
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .stat-card {
        padding: 10px;
        flex-direction: column;
    }

    .stat-icon {
        font-size: 1.1rem;
        width: 36px;
        height: 36px;
    }

    .stat-value {
        font-size: 1.1rem;
    }

    .list-container {
        max-height: 200px;
    }
}

.car-info-summary {
    background: var(--bg-muted);
    padding: 16px;
    border-radius: var(--radius);
    margin-bottom: 16px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 12px;
}

.car-info-summary-item {
    display: flex;
    flex-direction: column;
}

.car-info-summary-item label {
    font-size: 0.72rem;
    color: var(--text-400);
    margin-bottom: 2px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.car-info-summary-item .value {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-900);
}

.clickable-row {
    cursor: pointer;
    transition: all var(--transition);
}

.clickable-row:hover {
    background: var(--primary-50) !important;
}

.clickable-row:hover td {
    color: var(--primary);
}

@media print {
    .sidebar,
    .mobile-menu-toggle,
    .btn,
    .filter-bar,
    .action-buttons,
    .header-actions,
    .mobile-overlay {
        display: none !important;
    }

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

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

    .card {
        box-shadow: none;
        border: 1px solid var(--border);
        page-break-inside: avoid;
    }

    body {
        background: #fff;
    }
}

/* Login Page */
.login-screen {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #4f46e5 0%, #06b6d4 100%);
    font-family: 'Kanit', 'Inter', sans-serif;
}

.login-screen.hidden {
    display: none;
}

.login-card {
    background: #fff;
    border-radius: 16px;
    padding: 40px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.login-logo {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo h1 {
    font-size: 1.8rem;
    color: var(--text-900);
    margin: 12px 0 4px;
}

.login-logo p {
    color: var(--text-500);
    font-size: 0.9rem;
}

.login-card .form-group {
    margin-bottom: 16px;
}

.login-card .form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-700);
    margin-bottom: 6px;
}

.login-card .form-group label i {
    margin-right: 4px;
    font-size: 14px;
}

.login-card .form-group input {
    width: 100%;
    padding: 10px 14px;
    border: 2px solid var(--border-light);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.2s;
    box-sizing: border-box;
}

.login-card .form-group input:focus {
    outline: none;
    border-color: var(--primary);
}

.login-btn {
    width: 100%;
    padding: 12px;
    font-size: 1rem;
    margin-top: 8px;
}

.login-error {
    background: #fef2f2;
    color: #dc2626;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 0.85rem;
    margin-bottom: 12px;
    text-align: center;
}

.login-hint {
    text-align: center;
    color: var(--text-400);
    font-size: 0.8rem;
    margin-top: 20px;
}

.sidebar-footer {
    margin-top: auto;
    border-top: 1px solid var(--border-light);
}

.sidebar-footer .nav-item:hover {
    background: var(--bg-muted);
    color: var(--danger);
}