/* Design System for Village Website Monitoring Dashboard */

:root {
    /* Colors */
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --primary-light: #eef2ff;
    
    --success: #10b981;
    --success-light: #ecfdf5;
    
    --warning: #f59e0b;
    --warning-light: #fffbeb;
    
    --danger: #e11d48;
    --danger-light: #fff1f2;
    
    --slate-50: #f8fafc;
    --slate-100: #f1f5f9;
    --slate-200: #e2e8f0;
    --slate-300: #cbd5e1;
    --slate-400: #94a3b8;
    --slate-500: #64748b;
    --slate-600: #475569;
    --slate-700: #334155;
    --slate-800: #1e293b;
    --slate-900: #0f172a;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-12: 3rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-md: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

    /* Transitions */
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--slate-50);
    color: var(--slate-900);
    line-height: 1.5;
    overflow-x: hidden;
}

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

/* Sidebar */
.sidebar {
    width: 260px;
    background-color: white;
    border-right: 1px solid var(--slate-200);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
}

.sidebar-header {
    padding: var(--space-6);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    border-bottom: 1px solid var(--slate-100);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), #818cf8);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

.logo-text {
    font-weight: 800;
    font-size: 1.15rem;
    color: var(--slate-900);
    letter-spacing: -0.03em;
}

.sidebar-nav {
    padding: var(--space-4);
    flex: 1;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border-radius: 8px;
    color: var(--slate-600);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    margin-bottom: var(--space-1);
}

.nav-item:hover {
    background-color: var(--slate-50);
    color: var(--primary);
}

.nav-item.active {
    background-color: var(--primary-light);
    color: var(--primary);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 260px;
    padding: var(--space-8);
    min-width: 0;
}

.header-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-8);
    gap: 1rem;
    position: sticky;
    top: -2rem; /* Account for main-content padding */
    background: var(--slate-50);
    padding: var(--space-8) 0 var(--space-4) 0;
    z-index: 50;
    border-bottom: 1px solid transparent;
    transition: var(--transition);
}

.header-row::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: -2rem;
    right: -2rem;
    height: 1px;
    background: var(--slate-200);
    opacity: 0;
}

/* Optional: Shadow on scroll effect can be handled via simple CSS if we accept a constant thin border */
.header-row {
    border-bottom: 1px solid var(--slate-200);
    margin-left: -2rem;
    margin-right: -2rem;
    padding-left: 2rem;
    padding-right: 2rem;
    margin-top: -2rem;
}

.page-title h1 {
    font-size: 1.875rem;
    font-weight: 800;
    color: var(--slate-900);
    letter-spacing: -0.025em;
}

.page-title p {
    color: var(--slate-500);
    margin-top: var(--space-1);
}

/* Stat Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-6);
    margin-bottom: var(--space-8);
}

.stat-card {
    background: white;
    padding: var(--space-6);
    border-radius: 16px;
    box-shadow: var(--shadow);
    border: 1px solid var(--slate-100);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-4);
}

.stat-icon.blue { background-color: var(--primary-light); color: var(--primary); }
.stat-icon.green { background-color: var(--success-light); color: var(--success); }
.stat-icon.orange { background-color: var(--warning-light); color: var(--warning); }
.stat-icon.red { background-color: var(--danger-light); color: var(--danger); }

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--slate-900);
}

.stat-label {
    color: var(--slate-500);
    font-size: 0.875rem;
    font-weight: 500;
}

/* Content Cards */
.content-card {
    background: white;
    border-radius: 16px;
    box-shadow: var(--shadow);
    border: 1px solid var(--slate-100);
    overflow: hidden;
    height: 100%;
}

.card-header {
    padding: var(--space-6);
    border-bottom: 1px solid var(--slate-100);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h2 {
    font-size: 1.25rem;
    font-weight: 700;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1rem;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 0.875rem;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
    box-shadow: 0 4px 10px rgba(79, 70, 229, 0.2);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
}

.btn-outline {
    background: white;
    border: 1px solid var(--slate-200);
    color: var(--slate-700);
}

.btn-outline:hover {
    background: var(--slate-50);
    border-color: var(--slate-300);
}

/* Table Area */
.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

th {
    padding: var(--space-4) var(--space-6);
    background-color: var(--slate-50);
    color: var(--slate-500);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

td {
    padding: var(--space-4) var(--space-6);
    border-bottom: 1px solid var(--slate-100);
    vertical-align: middle;
}

/* Badge Styles */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.7rem;
    font-weight: 600;
    white-space: nowrap;
}

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

/* Responsive Grid Adjustments */
@media (max-width: 1024px) {
    .sidebar { width: 80px; }
    .logo-text, .nav-item span { display: none; }
    .main-content { margin-left: 80px; }
}

@media (max-width: 768px) {
    .header-row { flex-direction: column; }
}

/* Pagination */
.pagination-container {
    padding: 1rem;
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    background: var(--slate-50);
}

.page-btn {
    padding: 0.5rem 1rem;
    border: 1px solid var(--slate-200);
    background: white;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
}

.page-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

/* Tooltip & Interaction */
.action-btn {
    padding: 0.5rem;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
    color: var(--slate-400);
}

.action-btn:hover {
    background: var(--slate-100);
    color: var(--primary);
}