:root {
    --primary: #0d6efd;
    --success: #198754;
    --danger: #dc3545;
    --bg: #f8f9fa;
    --card: #ffffff;
    --text: #212529;
    --border: #dee2e6;
}

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

body {
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans Arabic", sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

body.rtl { direction: rtl; text-align: right; }

.container { max-width: 1100px; margin: 0 auto; padding: 0 1rem; width: 100%; }

.header {
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 1rem 0;
    margin-bottom: 2rem;
}
.header .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
.logo { font-weight: 700; font-size: 1.25rem; text-decoration: none; color: var(--primary); }
.header nav a { margin-left: 1rem; text-decoration: none; color: var(--text); }
body.rtl .header nav a { margin-left: 0; margin-right: 1rem; }

.footer { margin-top: auto; padding: 1.5rem 0; text-align: center; color: #6c757d; font-size: 0.9rem; }

.auth-card {
    max-width: 420px;
    margin: 2rem auto;
    background: var(--card);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}
.auth-card h1 { margin-bottom: 1rem; font-size: 1.5rem; }

.form-group { margin-bottom: 1.25rem; }
.form-group label { display: block; margin-bottom: 0.4rem; font-weight: 500; }
.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="number"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.65rem 0.85rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(13,110,253,0.15);
}

.btn {
    display: inline-block;
    padding: 0.7rem 1.4rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    cursor: pointer;
    text-decoration: none;
    background: #e9ecef;
    color: #212529;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: #0b5ed7; }
.btn-sm { padding: 0.45rem 1rem; font-size: 0.9rem; width: auto; display: inline-block; margin-top: 0.75rem; }
.btn-link { background: none; border: none; color: var(--primary); cursor: pointer; text-decoration: underline; padding: 0; }
.text-danger { color: var(--danger); }

.alert { padding: 0.9rem 1.1rem; border-radius: 8px; margin-bottom: 1.25rem; }
.alert-success { background: #d1e7dd; color: #0f5132; }
.alert-error { background: #f8d7da; color: #842029; }
.alert ul { margin: 0; padding-left: 1.2rem; }
body.rtl .alert ul { padding-left: 0; padding-right: 1.2rem; }

.mt-3 { margin-top: 1rem; }

/* Dashboard */
.dashboard h1 { margin-bottom: 0.5rem; }
.stats { display: flex; gap: 1rem; margin: 1.5rem 0; flex-wrap: wrap; }
.stat-card {
    background: #fff;
    padding: 1.25rem 1.75rem;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    min-width: 140px;
}
.stat-card h3 { font-size: 1.8rem; margin: 0; color: var(--primary); }
.stat-card p { margin: 0; color: #666; font-size: 0.9rem; }

.menu-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 1rem; margin-top: 1.5rem; }
.menu-card {
    background: #fff;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    text-decoration: none;
    color: inherit;
    transition: transform 0.15s, box-shadow 0.15s;
}
.menu-card:hover { transform: translateY(-3px); box-shadow: 0 6px 20px rgba(0,0,0,0.1); }
.menu-card h3 { margin: 0 0 0.4rem; color: var(--primary); }
.menu-card p { margin: 0; color: #666; font-size: 0.9rem; }

.page-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.5rem; flex-wrap: wrap; gap: 1rem; }

.table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 12px; overflow: hidden; box-shadow: 0 2px 12px rgba(0,0,0,0.06); }
.table th, .table td { padding: 0.85rem 1rem; text-align: left; border-bottom: 1px solid var(--border); }
.table th { background: #f1f3f5; font-weight: 600; }
body.rtl .table th, body.rtl .table td { text-align: right; }

.badge { display: inline-block; padding: 0.25rem 0.6rem; border-radius: 20px; font-size: 0.8rem; }
.badge-available { background: #d1e7dd; color: #0f5132; }
.badge-occupied { background: #f8d7da; color: #842029; }
.badge-maintenance { background: #fff3cd; color: #664d03; }

.form-card { background: #fff; padding: 1.75rem; border-radius: 12px; box-shadow: 0 2px 12px rgba(0,0,0,0.06); max-width: 900px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 700px) { .form-row { grid-template-columns: 1fr; } }

.apartment-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.25rem; margin-top: 1.5rem; }
.apartment-card {
    background: #fff; border-radius: 12px; padding: 1.4rem; box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}
.apartment-card h3 { margin: 0 0 0.5rem; font-size: 1.15rem; }
.apartment-card .price { font-size: 1.2rem; font-weight: 700; color: var(--primary); margin: 0.3rem 0; }
.apartment-card .address, .apartment-card .features { color: #666; font-size: 0.9rem; margin: 0.3rem 0; }

@media (max-width: 600px) {
    .auth-card { margin: 1rem; padding: 1.5rem; }
}