body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #05070a;
    color: #f5f5f5;
}

a { color: #ffb300; }

.hero {
    text-align: center;
    padding: 60px 20px;
    background: radial-gradient(circle at top, #222 0, #05070a 60%);
}

.hero h1 {
    font-size: 32px;
    margin-bottom: 10px;
}

.hero p {
    font-size: 16px;
    opacity: 0.9;
}

.btn-primary, .btn-secondary, .btn-small {
    display: inline-block;
    padding: 10px 18px;
    border-radius: 4px;
    text-decoration: none;
    color: #fff;
    margin-top: 10px;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, #ffb300, #ff6f00);
}

.btn-secondary {
    background: linear-gradient(135deg, #00bcd4, #2979ff);
}

.btn-small {
    padding: 6px 10px;
    font-size: 12px;
    background: linear-gradient(135deg, #9e9e9e, #616161);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #0b0f16;
    padding: 10px 20px;
}

.navbar .logo {
    font-weight: bold;
}

.navbar ul {
    list-style: none;
    display: flex;
    gap: 15px;
    padding: 0;
    margin: 0;
}

.navbar a {
    color: #fff;
    text-decoration: none;
    font-size: 14px;
}

.container {
    padding: 20px;
}

.section {
    padding: 20px;
}

.card-grid {
    display: grid;
    gap: 15px;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    padding: 20px 0;
}

.card {
    background: #10141f;
    padding: 15px;
    border-radius: 6px;
    box-shadow: 0 0 8px rgba(0,0,0,0.5);
}

.table {
    width: 100%;
    border-collapse: collapse;
    background: #10141f;
}

.table th, .table td {
    padding: 8px 10px;
    border-bottom: 1px solid #222;
    font-size: 14px;
}

.table th {
    background: #141a26;
}

.footer {
    text-align: center;
    padding: 15px;
    font-size: 12px;
    background: #05070a;
    border-top: 1px solid #111;
    margin-top: 20px;
}

/* admin */
.admin-bg {
    background: #04050a;
    color: #f5f5f5;
}

.login-box {
    width: 320px;
    margin: 80px auto;
    padding: 20px;
    background: #10141f;
    border-radius: 6px;
}

.login-box h2 {
    margin-top: 0;
}

.login-box input {
    width: 100%;
    padding: 8px;
    margin-top: 4px;
    margin-bottom: 10px;
    border-radius: 4px;
    border: 1px solid #333;
    background: #05070a;
    color: #fff;
}

.admin-nav {
    background: #0b0f16;
    padding: 10px 20px;
}

.admin-nav a {
    color: #fff;
    margin-right: 15px;
    text-decoration: none;
}

.form label {
    display: block;
    margin-bottom: 10px;
}

.form input, .form textarea, .form select {
    width: 100%;
    padding: 8px;
    margin-top: 3px;
    border-radius: 4px;
    border: 1px solid #333;
    background: #05070a;
    color: #fff;
}