:root {
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --secondary: #64748b;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --background: #f8fafc;
    --surface: #ffffff;
    --border: #e2e8f0;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --shadow: 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);
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--text-main);
    background-color: var(--background);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Login Components */
.login-card {
    background: var(--surface);
    border-radius: 16px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
}

.hospital-logo {
    display: flex;
    align-items: center;
    color: var(--primary);
}

.logo-icon {
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary);
    padding: 10px;
    border-radius: 12px;
}

.form-control {
    border-radius: 10px;
    border: 1px solid var(--border);
    padding: 10px 14px;
    font-size: 14px;
    transition: all 0.2s;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

.btn-primary {
    background-color: var(--primary);
    border-color: var(--primary);
    border-radius: 10px;
    padding: 10px 20px;
    transition: all 0.2s;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2);
}

/* Dashboard Layout */
.dashboard-layout {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

.sidebar {
    width: 280px;
    background: #f1f5f9;
    border-right: 1px solid var(--border);
    flex-shrink: 0;
}

.main-content {
    flex-grow: 1;
    background: var(--surface);
}

.main-header {
    height: 72px;
}

.sidebar-header {
    height: 72px;
}

.list-group-item {
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 2px;
}

.list-group-item:hover {
    background: rgba(0, 0, 0, 0.03);
    color: var(--text-main);
}

.list-group-item.active {
    background: var(--primary) !important;
    color: white !important;
}

/* Roles */
.role-badge {
    padding: 2px 8px;
    border-radius: 6px;
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
}

.role-doctor { background: #e0f2fe; color: #0369a1; }
.role-nurse { background: #f0fdf4; color: #15803d; }
.role-admin_staff { background: #fef2f2; color: #b91c1c; }

/* Utilities */
.no-caret::after {
    display: none;
}

.demo-btn {
    font-size: 12px !important;
    font-weight: 500;
    border-radius: 8px;
}

.demo-btn:hover {
    background-color: #f8fafc !important;
    border-color: #cbd5e1 !important;
}

.uppercase {
    text-transform: uppercase;
}

@media (max-width: 768px) {
    .sidebar {
        display: none;
    }
}