/* Mavera Pendik Anaokulu - Admin Panel CSS */
:root {
    --primary: #4F46E5;
    --primary-hover: #4338CA;
    --secondary: #F67E7E;
    --bg-main: #F8FAFC;
    --bg-card: #FFFFFF;
    --text-main: #1E293B;
    --text-muted: #64748B;
    --border-color: #E2E8F0;
    --success: #10B981;
    --danger: #EF4444;
    --warning: #F59E0B;
    --radius: 16px;
    --shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.01);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

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

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

.admin-sidebar {
    width: 260px;
    background: #0F172A;
    color: #FFFFFF;
    padding: 30px 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.admin-brand {
    font-size: 1.1rem;
    font-weight: 700;
    color: #FFFFFF;
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 40px;
    text-decoration: none;
}

.admin-brand span {
    color: var(--secondary);
}

.admin-menu {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.admin-menu a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: #94A3B8;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.admin-menu a:hover,
.admin-menu a.active {
    background: rgba(255, 255, 255, 0.1);
    color: #FFFFFF;
}

.admin-content {
    flex: 1;
    padding: 40px;
    overflow-y: auto;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 35px;
}

.admin-header h1 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-main);
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 35px;
}

.stat-card {
    background: var(--bg-card);
    padding: 24px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.stat-card h3 {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.stat-card .number {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--primary);
}

/* Table */
.card-table {
    background: var(--bg-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.table-header {
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

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

th, td {
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-color);
}

th {
    background: #F1F5F9;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
}

tr:hover {
    background-color: #F8FAFC;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

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

.btn-danger {
    background: #FEE2E2;
    color: var(--danger);
}

.btn-danger:hover {
    background: var(--danger);
    color: #FFFFFF;
}

.btn-secondary {
    background: #E2E8F0;
    color: var(--text-main);
}

.btn-secondary:hover {
    background: #CBD5E1;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.8rem;
    border-radius: 8px;
}

/* Form Styles */
.form-card {
    background: var(--bg-card);
    padding: 30px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    max-width: 900px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.2s ease;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

textarea.form-control {
    min-height: 160px;
    resize: vertical;
    font-family: inherit;
}

/* Login Page */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0F172A 0%, #1E1B4B 100%);
    padding: 20px;
}

.login-card {
    background: #FFFFFF;
    padding: 40px;
    border-radius: 24px;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.login-title {
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 8px;
}

.login-subtitle {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 28px;
    font-size: 0.9rem;
}

.alert {
    padding: 12px 16px;
    border-radius: 10px;
    margin-bottom: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.alert-danger {
    background: #FEE2E2;
    color: #991B1B;
}

.alert-success {
    background: #D1FAE5;
    color: #065F46;
}

@media (max-width: 768px) {
    .admin-wrapper {
        flex-direction: column;
    }
    .admin-sidebar {
        width: 100%;
    }
    .admin-content {
        padding: 20px;
    }
}