/* assets/css/style.css */
:root {
    --primary-color: #2c3e50;
    --secondary-color: #34495e;
    --accent-color: #3498db;
    --success-color: #2ecc71;
    --danger-color: #e74c3c;
    --warning-color: #f1c40f;
    --bg-color: #f4f7f6;
    --text-color: #333333;
    --border-color: #dddddd;
    --border-radius: 8px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

/* Auth Ekranları İçin Merkezlenmiş Yapı */
.auth-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.auth-container {
    background: #ffffff;
    padding: 40px 30px;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    width: 100%;
    max-width: 450px;
    text-align: center;
}

.auth-container h1 {
    color: var(--primary-color);
    margin-bottom: 5px;
    font-size: 24px;
}

.auth-container p.subtitle {
    color: #7f8c8d;
    margin-bottom: 30px;
    font-size: 14px;
}

/* Form Elemanları */
.form-group {
    margin-bottom: 20px;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 14px;
    color: var(--secondary-color);
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 14px;
    transition: border-color 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-color);
}

textarea.form-control {
    resize: vertical;
    min-height: 80px;
}

.btn {
    display: inline-block;
    width: 100%;
    padding: 12px 20px;
    background-color: var(--accent-color);
    color: #ffffff;
    border: none;
    border-radius: var(--border-radius);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: #2980b9;
}

.auth-links {
    margin-top: 20px;
    font-size: 14px;
}

.auth-links a {
    color: var(--accent-color);
    text-decoration: none;
}

.auth-links a:hover {
    text-decoration: underline;
}

/* Bildirim Mesajları (Alerts) */
.alert {
    padding: 15px;
    margin-bottom: 20px;
    border-radius: var(--border-radius);
    font-size: 14px;
    text-align: left;
}

.alert-danger {
    background-color: #fadbd8;
    color: #c0392b;
    border: 1px solid #f5b7b1;
}

.alert-success {
    background-color: #d5f5e3;
    color: #27ae60;
    border: 1px solid #abebc6;
}
/* Yönetici ve Veli Paneli Ortak Dashboard Stilleri */
.dashboard-layout {
    display: flex;
    min-height: 100vh;
}

/* Sidebar (Yan Menü) */
.sidebar {
    width: 250px;
    background-color: var(--secondary-color);
    color: #fff;
    flex-shrink: 0;
    transition: all 0.3s;
}

.sidebar-header {
    padding: 20px;
    background-color: var(--primary-color);
    text-align: center;
    font-weight: bold;
    font-size: 18px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-menu li a {
    display: block;
    padding: 15px 20px;
    color: #ecf0f1;
    text-decoration: none;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    transition: background 0.2s;
}

.sidebar-menu li a:hover, .sidebar-menu li a.active {
    background-color: var(--accent-color);
    color: #fff;
}

/* İçerik Alanı */
.main-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-color);
}

/* Topbar (Üst Bar) */
.topbar {
    background-color: #fff;
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.topbar-right a {
    color: var(--danger-color);
    text-decoration: none;
    font-weight: bold;
}

.content-wrapper {
    padding: 30px;
    flex-grow: 1;
    overflow-y: auto;
}

/* Tablolar */
.data-table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    border-radius: var(--border-radius);
    overflow: hidden;
    margin-bottom: 20px;
}

.data-table th, .data-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    background-color: #f8f9fa;
    font-weight: 600;
    color: var(--primary-color);
}

.data-table tbody tr:hover {
    background-color: #f9fbfd;
}

/* Aksiyon Butonları */
.btn-sm {
    padding: 6px 12px;
    font-size: 13px;
    width: auto;
}

.btn-success { background-color: var(--success-color); }
.btn-success:hover { background-color: #27ae60; }

.btn-danger { background-color: var(--danger-color); }
.btn-danger:hover { background-color: #c0392b; }

.btn-warning { background-color: var(--warning-color); color: #000; }
.btn-warning:hover { background-color: #d4ac0d; }

.badge {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: bold;
    color: #fff;
}
.badge-pending { background-color: var(--warning-color); color: #000; }
.badge-active { background-color: var(--success-color); }
.badge-inactive { background-color: var(--danger-color); }

/* Mobil Uyumluluk */
@media (max-width: 768px) {
    .dashboard-layout {
        flex-direction: column;
    }
    .sidebar {
        width: 100%;
        display: flex;
        flex-direction: column;
    }
    .sidebar-menu {
        display: flex;
        flex-wrap: wrap;
    }
    .sidebar-menu li {
        flex-grow: 1;
        text-align: center;
    }
    .data-table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }
}