/* Lastik Oteli - Ana stiller */
:root {
    --primary: #1a5f4a;
    --primary-light: #2d8f6f;
    --secondary: #c9a227;
    --bg: #f4f6f8;
    --card-bg: #fff;
    --text: #333;
    --border: #dee2e6;
    --danger: #dc3545;
    --success: #28a745;
}

* { box-sizing: border-box; }
body { margin: 0; font-family: 'Segoe UI', system-ui, sans-serif; background: var(--bg); color: var(--text); line-height: 1.5; }

/* Sol menü (sidebar) düzeni – panel ile uyumlu */
.app-layout { display: flex; min-height: 100vh; }
.sidebar {
    width: 260px;
    flex-shrink: 0;
    background: var(--primary);
    color: #fff;
    display: flex;
    flex-direction: column;
}
.sidebar .header-brand {
    font-weight: 700;
    font-size: 1.05rem;
    padding: 1.25rem 1.25rem;
    border-bottom: 1px solid rgba(255,255,255,0.15);
}
.sidebar .main-nav {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: 0.75rem 0;
    overflow-y: auto;
}
.sidebar .nav-section-title {
    display: block;
    padding: 0.5rem 1.25rem 0.35rem;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(255,255,255,0.55);
}
.sidebar .main-nav .nav-item {
    color: rgba(255,255,255,0.92);
    text-decoration: none;
    padding: 0.65rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.85rem;
    border-left: 3px solid transparent;
    transition: background 0.15s, border-color 0.15s;
}
.sidebar .main-nav .nav-item:hover { background: rgba(255,255,255,0.12); color: #fff; }
.sidebar .main-nav .nav-item.active { background: rgba(255,255,255,0.18); color: #fff; border-left-color: #fff; font-weight: 500; }
.sidebar .main-nav .nav-icon { width: 20px; height: 20px; flex-shrink: 0; opacity: 0.9; }
.sidebar .main-nav .nav-item.active .nav-icon { opacity: 1; }
.sidebar .main-nav .nav-label { flex: 1; }
/* Eski tek link yapısı (nav-item yoksa) */
.sidebar .main-nav > a:not(.nav-item) {
    color: rgba(255,255,255,0.92);
    text-decoration: none;
    padding: 0.65rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.85rem;
    border-left: 3px solid transparent;
}
.sidebar .main-nav > a:not(.nav-item):hover { background: rgba(255,255,255,0.12); color: #fff; }
.sidebar .main-nav > a:not(.nav-item).active { background: rgba(255,255,255,0.18); color: #fff; border-left-color: #fff; }
.sidebar .header-user {
    padding: 1rem 1.25rem;
    border-top: 1px solid rgba(255,255,255,0.15);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    font-size: 0.9rem;
    background: rgba(0,0,0,0.06);
}
.sidebar .header-user .btn-sm {
    background: rgba(255,255,255,0.2);
    color: #fff;
    padding: 0.45rem 0.85rem;
    border-radius: 6px;
    text-decoration: none;
    text-align: center;
    display: block;
    font-size: 0.85rem;
    transition: background 0.15s;
}
.sidebar .header-user .btn-sm:hover { background: rgba(255,255,255,0.3); }

.main-wrap { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.main-content { flex: 1; max-width: 1280px; width: 100%; margin: 0 auto; padding: 1.5rem; }
.main-footer { text-align: center; padding: 1rem; color: #666; font-size: 0.9rem; border-top: 1px solid var(--border); }

/* Login */
.login-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--primary) 0%, #0d3d32 100%); }
.login-box { background: var(--card-bg); padding: 2rem; border-radius: 8px; box-shadow: 0 4px 20px rgba(0,0,0,0.15); width: 100%; max-width: 380px; }
.login-box h1 { margin: 0 0 0.25rem; color: var(--primary); }
.login-box .subtitle { color: #666; margin-bottom: 1.5rem; }
.login-hint { font-size: 0.85rem; color: #888; margin-top: 1rem; }

/* Forms */
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; margin-bottom: 0.35rem; font-weight: 500; }
input[type="text"], input[type="password"], input[type="email"], input[type="number"], input[type="date"], select, textarea {
    width: 100%; padding: 0.5rem 0.75rem; border: 1px solid var(--border); border-radius: 4px; font-size: 1rem;
}
textarea { min-height: 80px; resize: vertical; }
.btn { display: inline-block; padding: 0.5rem 1rem; border: none; border-radius: 4px; cursor: pointer; font-size: 1rem; text-decoration: none; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-light); }
.btn-secondary { background: #6c757d; color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-block { width: 100%; text-align: center; }
.alert { padding: 0.75rem 1rem; border-radius: 4px; margin-bottom: 1rem; }
.alert-success { background: #d4edda; color: #155724; }
.alert-danger { background: #f8d7da; color: #721c24; }

/* Tables */
.page-toolbar { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; margin-bottom: 1rem; }
.table-wrap { overflow-x: auto; background: var(--card-bg); border-radius: 8px; box-shadow: 0 1px 3px rgba(0,0,0,0.08); }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 0.75rem 1rem; text-align: left; border-bottom: 1px solid var(--border); }
th { background: #f8f9fa; font-weight: 600; }
tr:hover { background: #f8f9fa; }
.actions a, .actions button { margin-right: 0.5rem; font-size: 0.9rem; }
.actions .btn-link { background: none; border: none; color: var(--primary); cursor: pointer; text-decoration: underline; padding: 0; }

/* Cards */
.dashboard-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
    margin: 0 auto 1.75rem;
    max-width: 1000px;
}
.card {
    background: radial-gradient(circle at top left, rgba(255,255,255,0.96), rgba(245,248,250,0.96));
    padding: 1.5rem 1.4rem;
    border-radius: 14px;
    box-shadow: 0 10px 30px rgba(15,23,42,0.08);
    border: 1px solid rgba(15,118,110,0.06);
    position: relative;
    overflow: hidden;
    transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}
.card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top right, rgba(45,143,111,0.12), transparent 60%);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}
.card:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 40px rgba(15,23,42,0.12);
    border-color: rgba(45,143,111,0.25);
}
.card:hover::before {
    opacity: 1;
}
.card h3 {
    margin: 0;
    font-size: 0.98rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    color: #6b7280;
}
.card .big {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--primary);
    margin: 0;
}
.card-header-row {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 0.4rem;
}
.card-sub {
    margin: 0 0 0.75rem;
    font-size: 0.9rem;
    color: #6b7280;
}
.card a {
    color: var(--primary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
}
.card a:hover {
    text-decoration: underline;
}
.card-accent {
    border-color: rgba(201,162,39,0.45);
}
.card-accent .big {
    color: var(--secondary);
}

/* Dashboard card renk varyasyonları */
.dashboard-cards .card:nth-child(1) {
    background: radial-gradient(circle at top left, rgba(26,95,74,0.12), rgba(255,255,255,0.98));
}
.dashboard-cards .card:nth-child(2) {
    background: radial-gradient(circle at top left, rgba(37,99,235,0.12), rgba(255,255,255,0.98));
}
.dashboard-cards .card:nth-child(3) {
    background: radial-gradient(circle at top left, rgba(147,51,234,0.12), rgba(255,255,255,0.98));
}
.dashboard-cards .card:nth-child(5) {
    background: radial-gradient(circle at top left, rgba(234,88,12,0.12), rgba(255,255,255,0.98));
}

/* Modal / Form panel */
.panel { background: var(--card-bg); padding: 1.5rem; border-radius: 8px; box-shadow: 0 1px 3px rgba(0,0,0,0.08); max-width: 600px; margin-bottom: 1.5rem; }
.panel.panel-tire-edit { max-width: none; width: 100%; }
.panel h2 { margin-top: 0; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }
.pagination { margin-top: 1rem; }
.pagination ul { list-style: none; padding: 0; margin: 0; display: flex; gap: 0.25rem; flex-wrap: wrap; }
.pagination a, .padding span { display: inline-block; padding: 0.35rem 0.75rem; border: 1px solid var(--border); border-radius: 4px; text-decoration: none; color: var(--text); }
.pagination a:hover { background: #f0f0f0; }
.pagination .active a, .pagination li.active span { background: var(--primary); color: #fff; border-color: var(--primary); }
.muted { color: #666; font-size: 0.95rem; }

/* Checkbox group (permissions) */
.permissions-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 0.5rem; }
.permissions-grid label { display: flex; align-items: center; gap: 0.5rem; font-weight: normal; cursor: pointer; }

/* Vehicle photo */
.vehicle-photo { max-width: 120px; max-height: 80px; object-fit: cover; border-radius: 4px; }
.img-upload-wrap { margin-top: 0.5rem; }

/* Badge */
.badge { display: inline-block; padding: 0.2rem 0.5rem; border-radius: 4px; font-size: 0.8rem; }
.badge-winter { background: #cce5ff; color: #004085; }
.badge-summer { background: #fff3cd; color: #856404; }
.badge-all { background: #d4edda; color: #155724; }