:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-light: #eff6ff;
    --secondary: #475569;
    --success: #10b981;
    --success-light: #ecfdf5;
    --warning: #f59e0b;
    --warning-light: #fffbeb;
    --danger: #ef4444;
    --danger-light: #fef2f2;
    --bg-main: #f8fafc;
    --bg-card: #ffffff;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --radius: 12px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header & Top Bar */
.navbar {
    background: #ffffff;
    border-bottom: 1px solid var(--border);
    padding: 0.75rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.brand-logo {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--primary), #4f46e5);
    color: #fff;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
    box-shadow: 0 2px 4px rgba(37,99,235,0.2);
}

.brand-text h1 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.2;
}

.brand-text span {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.role-selector-wrap {
    display: flex;
    align-items: center;
    background: var(--bg-main);
    padding: 0.25rem 0.75rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    gap: 0.5rem;
}

.role-selector-wrap label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
}

.role-select {
    border: none;
    background: transparent;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary);
    cursor: pointer;
    outline: none;
}

.user-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    background: var(--primary-light);
    color: var(--primary);
    padding: 0.35rem 0.75rem;
    border-radius: 20px;
    font-weight: 600;
}

/* Layout */
.app-container {
    max-width: 1400px;
    width: 100%;
    margin: 1.5rem auto;
    padding: 0 1.5rem;
    flex: 1;
}

.role-view {
    display: none;
}

.role-view.active {
    display: block;
}

/* Page Header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.page-title h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-main);
}

.page-title p {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* KPI Cards */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.kpi-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
}

.kpi-title {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.kpi-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-main);
}

.kpi-subtitle {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* Cards & Panels */
.panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    margin-bottom: 1.5rem;
    overflow: hidden;
}

.panel-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #fafbfc;
}

.panel-header h3 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-main);
}

.panel-body {
    padding: 1.25rem;
}

/* Tables */
.table-responsive {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.875rem;
}

.data-table th {
    background: #f8fafc;
    padding: 0.75rem 1rem;
    font-weight: 600;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

.data-table td {
    padding: 0.875rem 1rem;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

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

/* Status Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.65rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1;
}

.badge-success { background: var(--success-light); color: var(--success); }
.badge-warning { background: var(--warning-light); color: var(--warning); }
.badge-danger { background: var(--danger-light); color: var(--danger); }
.badge-primary { background: var(--primary-light); color: var(--primary); }
.badge-secondary { background: #f1f5f9; color: var(--secondary); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.15s ease;
    text-decoration: none;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
}
.btn-primary:hover {
    background: var(--primary-hover);
}

.btn-outline {
    background: transparent;
    border-color: var(--border);
    color: var(--text-main);
}
.btn-outline:hover {
    background: var(--bg-main);
}

.btn-success {
    background: var(--success);
    color: #fff;
}
.btn-danger {
    background: var(--danger);
    color: #fff;
}

.btn-sm {
    padding: 0.25rem 0.65rem;
    font-size: 0.75rem;
}

/* Modals */
.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: 1rem;
}

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

.modal-box {
    background: #ffffff;
    border-radius: var(--radius);
    max-width: 550px;
    width: 100%;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    animation: modalSlide 0.2s ease-out;
}

@keyframes modalSlide {
    from { transform: translateY(15px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

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

.modal-header h4 {
    font-size: 1.1rem;
    font-weight: 600;
}

.modal-close {
    background: transparent;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    color: var(--text-muted);
}

.modal-body {
    padding: 1.25rem;
}

.modal-footer {
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    background: #f8fafc;
}

/* Form Groups */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 0.35rem;
}

.form-control {
    width: 100%;
    padding: 0.6rem 0.85rem;
    font-size: 0.875rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    outline: none;
    transition: border-color 0.15s ease;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

/* Live Map Box */
#mapContainer {
    width: 100%;
    height: 380px;
    border-radius: 8px;
    border: 1px solid var(--border);
    margin-top: 0.5rem;
}

.timeline {
    position: relative;
    padding-left: 1.5rem;
    border-left: 2px solid var(--border);
}

.timeline-item {
    position: relative;
    margin-bottom: 1.25rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -1.85rem;
    top: 0.25rem;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--primary);
    border: 2px solid #fff;
}

.timeline-time {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 600;
}

.timeline-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-main);
    margin: 0.15rem 0;
}

.timeline-desc {
    font-size: 0.8rem;
    color: var(--secondary);
}

/* Toast Alerts */
.toast-container {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toast {
    background: #1e293b;
    color: #fff;
    padding: 0.75rem 1.25rem;
    border-radius: 8px;
    font-size: 0.875rem;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    animation: toastIn 0.2s ease-out;
}

@keyframes toastIn {
    from { transform: translateX(50px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}