:root {
    --navy: #0F172A;
    --navy-light: #1B263B;
    --gold: #C9A875;
    --gold-hover: #B8925A;
    --bg-light: #F8F6F1;
    --text-dark: #1B263B;
    --white: #ffffff;
    --red: #dc3545;
    --green: #198754;
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Cairo', sans-serif; }
body { background-color: var(--bg-light); color: var(--text-dark); display: flex; flex-direction: column; min-height: 100vh; }

/* Navbar */
.navbar { background-color: var(--navy); color: var(--white); display: flex; justify-content: space-between; align-items: center; padding: 10px 20px; box-shadow: 0 4px 6px rgba(0,0,0,0.1); flex-wrap: wrap; }
.nav-brand { display: flex; align-items: center; gap: 15px; }
.nav-logo { height: 50px; border-radius: 50%; border: 2px solid var(--gold); }
.nav-title { font-weight: 700; font-size: 1.2rem; color: var(--gold); }
.nav-links { display: flex; gap: 15px; flex-wrap: wrap; align-items: center; }
.nav-links a { color: var(--white); text-decoration: none; font-size: 0.95rem; padding: 8px 12px; border-radius: 5px; transition: 0.3s; }
.nav-links a:hover, .nav-links a.active { background-color: var(--gold); color: var(--navy); font-weight: 700; }
.logout-btn { background-color: var(--red); color: var(--white) !important; }

/* Container */
.container { flex: 1; padding: 20px; max-width: 1200px; margin: 0 auto; width: 100%; }

/* Login Page */
.login-body { background-color: var(--navy); display: flex; justify-content: center; align-items: center; height: 100vh; }
.login-container { background-color: var(--white); padding: 40px; border-radius: 15px; width: 100%; max-width: 400px; text-align: center; box-shadow: 0 10px 25px rgba(0,0,0,0.5); border-top: 5px solid var(--gold); }
.login-logo { width: 120px; margin-bottom: 20px; border-radius: 50%; }
.login-container h2 { color: var(--navy); margin-bottom: 25px; }
.input-group { text-align: right; margin-bottom: 15px; }
.input-group label { display: block; margin-bottom: 5px; font-weight: 600; color: var(--navy); }
.input-group input { width: 100%; padding: 12px; border: 1px solid #ccc; border-radius: 8px; font-family: 'Cairo'; }
.input-group input:focus { outline: none; border-color: var(--gold); box-shadow: 0 0 5px rgba(201, 168, 117, 0.5); }
.btn-gold { background-color: var(--gold); color: var(--navy); border: none; padding: 12px; width: 100%; border-radius: 8px; font-weight: 700; font-size: 1.1rem; cursor: pointer; transition: 0.3s; margin-top: 10px; }
.btn-gold:hover { background-color: var(--gold-hover); }
.alert-error { background-color: #f8d7da; color: var(--red); padding: 10px; border-radius: 8px; margin-bottom: 15px; font-size: 0.9rem; }

/* Footer */
.footer { text-align: center; padding: 15px; background-color: var(--navy); color: var(--gold); font-size: 0.9rem; margin-top: auto; }

/* Responsive */
@media (max-width: 768px) {
    .navbar { flex-direction: column; align-items: flex-start; gap: 10px; }
    .nav-links { width: 100%; justify-content: center; }
    .nav-links a { font-size: 0.85rem; padding: 6px 10px; }
}