.psb-form-container {
    max-width: 600px;
    margin: 20px auto;
    padding: 30px;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    font-family: 'Inter', -apple-system, sans-serif;
}

.psb-form-section {
    margin-bottom: 20px;
}

.psb-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.psb-form-section label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
}

.psb-form-container input[type="text"],
.psb-form-container select {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #eee;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s;
    box-sizing: border-box;
}

.psb-form-container input:focus,
.psb-form-container select:focus {
    border-color: #3b82f6;
    outline: none;
}

.psb-codes-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin: 20px 0;
}

.psb-code-field label {
    font-size: 12px;
    text-transform: uppercase;
    color: #666;
}

.psb-submit-btn {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.psb-submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(37, 99, 235, 0.4);
}

.psb-submit-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
}

.psb-message {
    margin-top: 15px;
    padding: 12px;
    border-radius: 6px;
    text-align: center;
    font-weight: 500;
    display: none;
}

.psb-message.psb-success {
    display: block;
    background: #dcfce7;
    color: #166534;
}

.psb-message.psb-error {
    display: block;
    background: #fee2e2;
    color: #991b1b;
}

@media (max-width: 480px) {
    .psb-form-row, .psb-codes-grid {
        grid-template-columns: 1fr;
    }
}