:root {
    --primary-color: #4a6fa5;
    --secondary-color: #6b8cbc;
    --accent-color: #ff7e5f;
    --light-color: #f5f7fa;
    --dark-color: #2c3e50;
    --success-color: #2ecc71;
    --warning-color: #f39c12;
    --error-color: #e74c3c;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.hidden {
    display:none !important;
}

body {
    background-color: #f0f2f5;
    color: var(--dark-color);
    line-height: 1.6;
}

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

header {
    text-align: center;
    margin-bottom: 30px;
    padding: 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
}

.chat-container {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 20px;
    margin-bottom: 30px;
}

@media (max-width: 768px) {
    .chat-container {
        grid-template-columns: 1fr;
    }
}

.config-panel {
    background-color: white;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.chat-area {
    background-color: white;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    height: 600px;
}

.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--dark-color);
}

select {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 16px;
    transition: border-color 0.3s;
    background-color: white;
}

select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(74, 111, 165, 0.2);
}

.token-inputs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 10px;
}

.btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    transition: background-color 0.3s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn:hover {
    background-color: var(--secondary-color);
}

.btn-primary {
    background-color: var(--accent-color);
}

.btn-primary:hover {
    background-color: #ff9a7a;
}

.btn-full {
    width: 100%;
    margin: 2px;
}

.btn:disabled, .btn[disabled], .btn.btn-primary:disabled {
    background-color: #bbb !important;
    color: #eee !important;
    cursor: not-allowed !important;
    opacity: 0.7;
}

.messages-container {
    flex: 1;
    overflow-y: auto;
    padding: 10px;
    border: 1px solid #eee;
    border-radius: 6px;
    margin-bottom: 15px;
    background-color: #f9f9f9;
}

.message {
    margin-bottom: 15px;
    padding: 12px;
    border-radius: 8px;
    max-width: 80%;
}

.user-message {
    background-color: var(--primary-color);
    color: white;
    margin-left: auto;
    border-bottom-right-radius: 2px;
}

.assistant-message {
    background-color: #e9ecef;
    color: var(--dark-color);
    margin-right: auto;
    border-bottom-left-radius: 2px;
}

.message-header {
    font-weight: 600;
    margin-bottom: 5px;
    font-size: 0.9rem;
}

.message-content {
    white-space: pre-wrap;
}

.loading {
    display: none;
    text-align: center;
    padding: 10px;
}

.spinner {
    border: 4px solid rgba(0, 0, 0, 0.1);
    border-left-color: var(--primary-color);
    border-radius: 50%;
    width: 30px;
    height: 30px;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.error {
    color: var(--error-color);
    background-color: #fadbd8;
    padding: 10px;
    border-radius: 6px;
    margin-bottom: 15px;
}

.success {
    color: var(--success-color);
    background-color: #d5f4e6;
    padding: 10px;
    border-radius: 6px;
    margin-bottom: 15px;
}

.prompt-preview {
    background-color: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 6px;
    padding: 12px;
    margin-top: 10px;
    font-size: 0.9rem;
    color: #495057;
}

.guardrail-notice {
    background-color: #e8f4fd;
    border: 1px solid #b6d7f9;
    border-radius: 6px;
    padding: 10px;
    margin-top: 15px;
    font-size: 0.85rem;
    color: #2c3e50;
}