body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 10px;
}

.acc-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 10px;
}

.acc-item {
    border: 1px solid #ddd;
    padding: 10px;
    border-radius: 8px;
}

.status.available { color: green; }
.status.renting { color: red; }

button, .btn {
    width: 100%;
    padding: 8px;
    margin-top: 5px;
    border: none;
    border-radius: 6px;
    background: #4CAF50;
    color: #fff;
    text-align: center;
    cursor: pointer;
}

button[disabled] {
    background: #aaa;
}
/* ===== MENU HEADER ===== */
header nav a {
    color: #fff;              /* màu chữ */
    text-decoration: none;    /* bỏ gạch chân */
    margin-right: 12px;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

header nav a i {
    color: #00c8ff;           /* màu icon */
    font-size: 15px;
}

header nav a:hover {
    color: #00c8ff;
}