/* ==============================================================================
   TransSarathi (transsarathi.com) - Super Admin Portal Stylesheet
   Theme: Royal Fleet Enterprise (Clean Light Canvas with Deep Navy Sidebar & Royal Blue)
   ============================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800&family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');

:root {
    --bg-main: #f1f5f9;
    --bg-surface: #ffffff;
    --bg-surface-elevated: #f8fafc;
    --border-color: #e2e8f0;
    --border-hover: #cbd5e1;
    
    --primary: #1d4ed8;
    --primary-hover: #1e40af;
    --primary-light: #eff6ff;
    --primary-gradient: linear-gradient(135deg, #1d4ed8 0%, #2563eb 100%);
    
    --accent: #0284c7;
    --success: #059669;
    --success-bg: #ecfdf5;
    --warning: #d97706;
    --warning-bg: #fffbeb;
    --danger: #dc2626;
    --danger-bg: #fef2f2;
    
    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-muted: #64748b;
    
    --sidebar-width: 275px;
    --header-height: 74px;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --shadow-card: 0 4px 16px -1px rgba(15, 23, 42, 0.06), 0 2px 4px -2px rgba(15, 23, 42, 0.04);
    --shadow-elevated: 0 12px 28px -4px rgba(15, 23, 42, 0.1);
    --transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
    font-family: 'Plus Jakarta Sans', -apple-system, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, .brand-text, .kpi-value {
    font-family: 'Outfit', sans-serif;
    letter-spacing: -0.02em;
    font-variant-numeric: tabular-nums;
}

/* Layout */
.app-container {
    display: flex;
    width: 100%;
    min-height: 100vh;
}

/* Sidebar (Deep Navy Professional Sidebar) */
.sidebar {
    width: var(--sidebar-width);
    background: #0f172a;
    border-right: 1px solid #1e293b;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 100;
}

.brand-section {
    height: var(--header-height);
    display: flex;
    align-items: center;
    padding: 0 24px;
    gap: 14px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.brand-logo-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    box-shadow: 0 4px 12px rgba(29, 78, 216, 0.35);
}

.brand-title {
    font-size: 21px;
    color: #ffffff;
    font-weight: 800;
    line-height: 1.1;
}

.brand-subtitle {
    font-size: 11px;
    color: #38bdf8;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 700;
}

.nav-menu {
    padding: 20px 14px;
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1;
    overflow-y: auto;
}

.nav-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #64748b;
    padding: 14px 16px 6px;
    font-weight: 700;
}

.nav-item a {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 11px 16px;
    color: #94a3b8;
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition);
}

.nav-item a:hover {
    background: rgba(255, 255, 255, 0.06);
    color: #ffffff;
    transform: translateX(3px);
}

.nav-item.active a {
    background: var(--primary-gradient);
    color: #ffffff;
    box-shadow: 0 4px 14px rgba(29, 78, 216, 0.35);
}

.sidebar-footer {
    padding: 18px 22px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(0, 0, 0, 0.2);
}

.user-snippet {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary-gradient);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

.user-info .user-name {
    font-size: 13.5px;
    font-weight: 700;
    color: #ffffff;
}

.user-info .user-role {
    font-size: 11px;
    color: #10b981;
    font-weight: 600;
}

/* Main Content Area */
.main-wrapper {
    margin-left: var(--sidebar-width);
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

/* Top Header */
.top-header {
    height: var(--header-height);
    background: #ffffff;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 36px;
    position: sticky;
    top: 0;
    z-index: 90;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
}

.header-title-box h1 {
    font-size: 24px;
    font-weight: 800;
    color: var(--text-primary);
}

.header-title-box p {
    font-size: 13px;
    color: var(--text-muted);
}

.content-body {
    padding: 32px 36px;
    flex: 1;
}

/* KPI Cards Grid */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 22px;
    margin-bottom: 32px;
}

.kpi-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 22px 24px;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-card);
}

.kpi-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-3px);
    box-shadow: var(--shadow-elevated);
}

.kpi-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: var(--primary-gradient);
}

.kpi-card.success::before { background: linear-gradient(135deg, #059669, #10b981); }
.kpi-card.warning::before { background: linear-gradient(135deg, #d97706, #f59e0b); }
.kpi-card.accent::before { background: linear-gradient(135deg, #0284c7, #0ea5e9); }

.kpi-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.kpi-title {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.kpi-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 19px;
    background: #f8fafc;
    border: 1px solid var(--border-color);
}

.kpi-value {
    font-size: 30px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.kpi-footer {
    font-size: 12.5px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
}

/* Panels & Tables */
.panel {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    margin-bottom: 32px;
}

.panel-header {
    padding: 20px 28px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #ffffff;
}

.panel-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
}

.panel-subtitle {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 2px;
}

.table-responsive {
    width: 100%;
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13.5px;
    text-align: left;
}

.data-table th {
    padding: 14px 24px;
    background: #f8fafc;
    color: var(--text-muted);
    font-weight: 700;
    font-size: 11.5px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border-bottom: 1px solid var(--border-color);
}

.data-table td {
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
    color: var(--text-secondary);
}

.data-table tr:hover td {
    background: #f8fafc;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 11.5px;
    font-weight: 700;
}

.badge-success {
    background: var(--success-bg);
    color: var(--success);
    border: 1px solid #a7f3d0;
}

.badge-warning {
    background: var(--warning-bg);
    color: var(--warning);
    border: 1px solid #fde68a;
}

.badge-danger {
    background: var(--danger-bg);
    color: var(--danger);
    border: 1px solid #fecaca;
}

.badge-primary {
    background: var(--primary-light);
    color: var(--primary);
    border: 1px solid #bfdbfe;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: var(--radius-sm);
    font-size: 13.5px;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background: var(--primary-gradient);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(29, 78, 216, 0.25);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #1e40af 0%, #1d4ed8 100%);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(29, 78, 216, 0.35);
}

.btn-secondary {
    background: #ffffff;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

.btn-secondary:hover {
    background: #f8fafc;
    border-color: var(--border-hover);
    color: var(--text-primary);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

/* Form Styles */
.form-group {
    margin-bottom: 18px;
}

.form-label {
    display: block;
    margin-bottom: 7px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-control {
    width: 100%;
    padding: 11px 14px;
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 14px;
    transition: var(--transition);
    outline: none;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.15);
}

/* Modal Popup */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 24px;
}

.modal-overlay.active { display: flex; }

.modal-box {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 620px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-elevated);
}

.modal-header {
    padding: 20px 28px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #ffffff;
}

.modal-body { padding: 28px; }

.modal-footer {
    padding: 18px 28px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    background: #f8fafc;
}