:root {
    --primary: #18181b;
    --primary-hover: #2d2d2d;
    --secondary: #71717a;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #3b82f6;
    --light: #f4f4f5;
    --dark: #09090b;
    --white: #ffffff;
    --gray-100: #f4f4f5;
    --gray-200: #e4e4e7;
    --gray-300: #d4d4d8;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    --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);
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--gray-100);
    color: var(--gray-900);
    line-height: 1.5;
}

a {
    text-decoration: none;
    color: inherit;
}

button, input, select, textarea {
    font-family: inherit;
}

/* Auth Layout */
.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-100);
    padding: 1.5rem;
}

.auth-card {
    background: var(--white);
    width: 100%;
    max-width: 400px;
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-header h1 {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.auth-header p {
    color: var(--gray-600);
}

/* Dashboard Layout */
.dashboard-wrapper {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 260px;
    background: var(--gray-900);
    color: var(--white);
    padding: 1.5rem;
    flex-shrink: 0;
}

.sidebar-header {
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

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

.nav-list {
    list-style: none;
}

.nav-item {
    margin-bottom: 0.5rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    transition: all 0.2s;
    color: var(--gray-400);
}

.nav-link:hover, .nav-link.active {
    background: var(--gray-800);
    color: var(--white);
}

.nav-link.active {
    background: var(--primary);
}

.main-content {
    flex-grow: 1;
    padding: 2rem;
    overflow-y: auto;
}

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

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

.user-img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gray-300);
}

/* Components */
.card {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
}

.card-title {
    font-size: 1.125rem;
    font-weight: 600;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.625rem 1.25rem;
    font-weight: 500;
    border-radius: var(--radius);
    transition: all 0.2s;
    cursor: pointer;
    border: none;
    gap: 0.5rem;
    font-size: 0.875rem;
}

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

.btn-secondary { background: var(--secondary); color: var(--white); }
.btn-success { background: var(--success); color: var(--white); }
.btn-danger { background: var(--danger); color: var(--white); }

.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--gray-700);
}

.form-control {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    outline: none;
    transition: border-color 0.2s;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(24, 24, 27, 0.05);
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th, .table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

.table th {
    font-weight: 600;
    color: var(--gray-600);
    font-size: 0.875rem;
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 9999px;
}

.badge-available { background: #dcfce7; color: #166534; }
.badge-occupied { background: #fee2e2; color: #991b1b; }
.badge-booked { background: #fef9c3; color: #854d0e; }

/* Grid Map */
.cemetery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.grave-box {
    aspect-ratio: 1/1;
    background: var(--white);
    border: 2px solid var(--gray-300);
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.75rem;
    text-align: center;
    padding: 0.5rem;
}

.grave-box:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.grave-box.available { border-color: var(--success); }
.grave-box.occupied { border-color: var(--danger); background: var(--gray-100); }
.grave-box.booked { border-color: var(--warning); }

.grave-box span {
    font-weight: 700;
    font-size: 1rem;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        display: none;
    }
    .main-content {
        padding: 1rem;
    }
}