:root {
    /* Colors - Shared with Login */
    --bg-primary: #f8fafc; /* Slate 50 for app background */
    --bg-sidebar: #0f172a; /* Slate 900 for sidebar */
    --bg-card: #ffffff;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --text-light: #f8fafc;
    --accent-primary: #2563eb;
    --accent-hover: #1d4ed8;
    --accent-light: #eff6ff;
    --border-color: #e2e8f0;
    
    /* Semantic Colors */
    --success: #10b981; /* Emerald 500 */
    --success-bg: #ecfdf5;
    --warning: #f59e0b; /* Amber 500 */
    --warning-bg: #fffbeb;
    --danger: #ef4444; /* Red 500 */
    --danger-bg: #fef2f2;
    --info: #3b82f6; /* Blue 500 */
    --info-bg: #eff6ff;
    --purple: #8b5cf6;
    --purple-bg: #f5f3ff;

    /* Typography */
    --font-family: 'Inter', system-ui, -apple-system, sans-serif;
    
    /* Layout */
    --sidebar-width: 260px;
    --topbar-height: 70px;
    
    /* Effects */
    --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-card: 0 10px 15px -3px rgb(0 0 0 / 0.05), 0 4px 6px -4px rgb(0 0 0 / 0.025);
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --transition-fast: 0.15s ease;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
}

a {
    text-decoration: none;
}

ul {
    list-style: none;
}

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

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-sidebar);
    color: var(--text-light);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    z-index: 100;
}

.sidebar-header {
    height: var(--topbar-height);
    display: flex;
    align-items: center;
    padding: 0 1.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 500;
    color: white;
}

.brand-logo i {
    font-size: 1.5rem;
    color: #60a5fa;
}

.sidebar-nav {
    flex: 1;
    padding: 1.5rem 0;
    overflow-y: auto;
}

.nav-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-item {
    padding: 0 1rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: #cbd5e1;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    font-weight: 500;
    font-size: 0.9375rem;
}

.nav-link i {
    font-size: 1.25rem;
}

.nav-link:hover {
    background-color: rgba(255,255,255,0.05);
    color: white;
}

.nav-item.active .nav-link {
    background-color: var(--accent-primary);
    color: white;
}

.sidebar-footer {
    padding: 1.25rem 1.5rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

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

.avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
}

.user-info {
    display: flex;
    flex-direction: column;
    flex: 1;
}

.user-name {
    font-size: 0.875rem;
    font-weight: 600;
    color: white;
}

.user-role {
    font-size: 0.75rem;
    color: #94a3b8;
}

.btn-icon {
    background: none;
    border: none;
    color: #94a3b8;
    cursor: pointer;
    font-size: 1.25rem;
    padding: 0.25rem;
    border-radius: 0.25rem;
    transition: color var(--transition-fast);
}

.btn-icon:hover {
    color: white;
}

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

/* Topbar */
.topbar {
    height: var(--topbar-height);
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    position: sticky;
    top: 0;
    z-index: 90;
}

.search-bar {
    display: flex;
    align-items: center;
    background-color: var(--bg-primary);
    border-radius: 2rem;
    padding: 0.5rem 1rem;
    width: 320px;
    border: 1px solid var(--border-color);
}

.search-bar i {
    color: var(--text-secondary);
    margin-right: 0.5rem;
}

.search-bar input {
    border: none;
    background: none;
    outline: none;
    width: 100%;
    font-family: var(--font-family);
    font-size: 0.875rem;
}

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

.notification-btn {
    position: relative;
    color: var(--text-secondary);
}

.notification-btn:hover {
    color: var(--text-primary);
}

.badge {
    position: absolute;
    top: 0;
    right: 0;
    background-color: var(--danger);
    color: white;
    font-size: 0.625rem;
    font-weight: 700;
    height: 16px;
    min-width: 16px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--bg-card);
    transform: translate(25%, -25%);
}

.btn-primary-sm {
    background-color: var(--accent-primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

/* Dashboard Content */
.dashboard-content {
    padding: 2rem;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 2rem;
}

.page-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.page-header p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.date-filter {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.date-filter i {
    color: var(--text-secondary);
}

.date-filter select {
    border: none;
    outline: none;
    background: none;
    font-family: var(--font-family);
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
}

/* KPI Grid */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.kpi-card {
    background-color: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-card);
    display: flex;
    align-items: center;
    gap: 1.25rem;
    transition: transform var(--transition-fast);
}

.kpi-card:hover {
    transform: translateY(-2px);
}

.kpi-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.kpi-icon.blue { background-color: var(--info-bg); color: var(--info); }
.kpi-icon.green { background-color: var(--success-bg); color: var(--success); }
.kpi-icon.purple { background-color: var(--purple-bg); color: var(--purple); }
.kpi-icon.orange { background-color: var(--warning-bg); color: var(--warning); }

.kpi-info {
    display: flex;
    flex-direction: column;
}

.kpi-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.kpi-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
    margin: 0.25rem 0;
}

.kpi-trend {
    font-size: 0.75rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.kpi-trend.positive { color: var(--success); }
.kpi-trend.negative { color: var(--danger); }
.kpi-trend.neutral { color: var(--text-secondary); font-weight: 500; }

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.col-span-2 {
    grid-column: span 2;
}

.card {
    background-color: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    display: flex;
    flex-direction: column;
}

.card-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h2 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.link-action {
    font-size: 0.875rem;
    font-weight: 500;
}

.card-body {
    padding: 1.5rem;
    flex: 1;
}

.card-body.p-0 {
    padding: 0;
}

/* Tables */
.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th, .data-table td {
    padding: 1rem 1.5rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background-color: #f8fafc;
}

.data-table td {
    font-size: 0.875rem;
    color: var(--text-primary);
    vertical-align: middle;
}

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

.data-table tbody tr:hover {
    background-color: var(--bg-primary);
}

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

.img-placeholder {
    width: 40px;
    height: 40px;
    border-radius: 6px;
    background-color: var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
}

.td-info {
    display: flex;
    flex-direction: column;
}

.td-title {
    font-weight: 600;
    color: var(--text-primary);
}

.td-sub {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Badges */
.badge-status {
    padding: 0.25rem 0.625rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    display: inline-block;
}

.bg-blue { background-color: var(--info-bg); color: var(--info); }
.bg-gray { background-color: #f1f5f9; color: #64748b; }
.bg-green { background-color: var(--success-bg); color: var(--success); }

/* Visit List */
.visit-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.visit-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: border-color var(--transition-fast);
}

.visit-item:hover {
    border-color: var(--accent-primary);
}

.visit-date {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background-color: var(--accent-light);
    color: var(--accent-primary);
    border-radius: 8px;
}

.visit-date .day {
    font-size: 1.125rem;
    font-weight: 700;
    line-height: 1;
}

.visit-date .month {
    font-size: 0.625rem;
    font-weight: 600;
    text-transform: uppercase;
}

.visit-info h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.125rem;
}

.visit-info p {
    font-size: 0.75rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

/* Responsive */
@media (max-width: 1200px) {
    .kpi-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    .col-span-2 {
        grid-column: span 1;
    }
}