body {
    font-family: 'Roboto', sans-serif;
    background-color: #f4f7f6;
    margin: 0;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.hero {
    background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('https://images.unsplash.com/photo-1555041469-a586c61ea9bc?q=80&w=2070&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D');
    background-size: cover;
    background-position: center;
    color: white;
    padding: 60px 20px;
    text-align: center;
    border-bottom-left-radius: 20px;
    border-bottom-right-radius: 20px;
}

.hero h1 {
    margin: 0;
    font-size: 3em;
}

.hero p {
    margin: 10px 0 0;
    font-size: 1.2em;
}

.room-card, .summary-card {
    background-color: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    margin-bottom: 20px;
}

.room-name {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    margin-bottom: 20px;
    font-size: 1.1em;
}

.furniture-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}

.furniture-table th, .furniture-table td {
    padding: 12px;
    border: 1px solid #ddd;
    text-align: left;
}

.furniture-table th {
    background-color: #f2f2f2;
    font-weight: 500;
}

.furniture-table input {
    width: 100%;
    padding: 8px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

.room-actions, .main-actions {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1em;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: background-color 0.3s;
}

.btn-primary {
    background-color: #007bff;
    color: white;
}

.btn-primary:hover {
    background-color: #0056b3;
}

.btn-secondary {
    background-color: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background-color: #5a6268;
}

.room-total-display {
    font-size: 1.2em;
    font-weight: 500;
}

.summary-card h2 {
    margin-top: 0;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid #eee;
}

.summary-item:last-child {
    border-bottom: none;
}

.summary-item p {
    margin: 0;
}

.total, .gst-amount, .final-expenditure {
    font-weight: 700;
}

.gst-input {
    width: 150px;
    padding: 8px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

.final-total {
    font-size: 1.3em;
    font-weight: bold;
    color: #007bff;
}