* {
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    margin: 0;
    padding: 0;
    background: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

header {
    background: #2c3e50;
    color: #fff;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h1 {
    margin: 0;
    font-size: 1.5rem;
}

nav a {
    color: #fff;
    text-decoration: none;
    margin-left: 1.5rem;
    padding: 0.5rem 1rem;
    border: 1px solid transparent;
    border-radius: 4px;
}

nav a:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
}

main {
    max-width: 800px;
    margin: 2rem auto;
    padding: 0 1rem;
}

h2 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

.equipment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.equipment-card {
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 1rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.equipment-card h3 {
    margin: 0 0 0.5rem 0;
    color: #2c3e50;
    font-size: 1.1rem;
}

.equipment-card p {
    margin: 0.25rem 0;
    font-size: 0.9rem;
    color: #666;
}

.equipment-card p[data-testid^="equipment-availability"] {
    font-weight: 600;
}

form {
    background: #fff;
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid #ddd;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.form-field {
    margin-bottom: 1rem;
}

.form-field label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #2c3e50;
}

.form-field select,
.form-field input {
    width: 100%;
    padding: 0.6rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 1rem;
}

.form-field-total {
    margin-top: 0.5rem;
}

.form-field-total label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

#total-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: #2c3e50;
}

#discount-info {
    color: #27ae60;
    font-size: 0.9rem;
    margin-top: 0.25rem;
}

button[type="submit"] {
    background: #2c3e50;
    color: #fff;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    margin-top: 0.5rem;
}

button[type="submit"]:hover {
    background: #34495e;
}

.error {
    color: #e74c3c;
    margin-top: 1rem;
    padding: 0.75rem;
    background: #fdedec;
    border: 1px solid #e74c3c;
    border-radius: 4px;
}

.success {
    color: #27ae60;
    margin-top: 1rem;
    padding: 0.75rem;
    background: #e9f7ef;
    border: 1px solid #27ae60;
    border-radius: 4px;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 8px;
    overflow: hidden;
}

th, td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid #eee;
}

th {
    background: #f8f9fa;
    font-weight: 600;
    color: #2c3e50;
}

tr:hover {
    background: #f8f9fa;
}

button[type="submit"] {
    background: #e74c3c;
    padding: 0.4rem 0.8rem;
    font-size: 0.9rem;
}

button[type="submit"]:hover {
    background: #c0392b;
}

.empty {
    text-align: center;
    color: #666;
    padding: 2rem;
}

@media (max-width: 600px) {
    header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }

    nav a {
        margin-left: 0;
        margin-right: 1rem;
    }

    main {
        margin: 1rem auto;
        padding: 0 0.5rem;
    }

    table {
        font-size: 0.85rem;
    }

    th, td {
        padding: 0.5rem;
    }
}