/* 阿里云百炼大模型交互平台样式 */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;600;700&family=Roboto:wght@300;400;500;700&display=swap');

:root {
    --primary-color: #0066FF;
    --secondary-color: #00C8B0;
    --accent-color: #FF6B6B;
    --dark-bg: #0a0e17;
    --light-bg: #121827;
    --text-color: #e2e8f0;
    --text-secondary: #94a3b8;
    --border-color: #2d3748;
    --success-color: #00C8B0;
    --warning-color: #FF6B6B;
    --danger-color: #FF6B6B;
    --sidebar-bg: rgba(18, 24, 39, 0.8);
    --chat-bg: rgba(18, 24, 39, 0.8);
    --user-msg-bg: rgba(0, 102, 255, 0.1);
    --ai-msg-bg: rgba(0, 200, 176, 0.1);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Roboto', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    background: var(--dark-bg);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 10% 20%, rgba(0, 102, 255, 0.1) 0%, transparent 20%),
        radial-gradient(circle at 80% 30%, rgba(0, 200, 176, 0.1) 0%, transparent 25%),
        radial-gradient(circle at 40% 70%, rgba(255, 107, 107, 0.1) 0%, transparent 20%);
    z-index: -1;
}

.grid-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: -1;
}

.container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* 头部样式 */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: rgba(18, 24, 39, 0.8);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid var(--border-color);
    border-radius: 16px;
    margin: 1rem 0;
    transition: all 0.3s ease;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo img {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    object-fit: cover;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
    font-family: 'Orbitron', sans-serif;
}

.header-controls {
    display: flex;
    gap: 12px;
}

/* 主要内容区域 */
.main-content {
    display: flex;
    flex: 1;
    padding: 1.5rem;
    gap: 1.5rem;
    overflow: hidden;
    border-radius: 16px;
    background: rgba(18, 24, 39, 0.6);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    margin-bottom: 1rem;
}

/* 侧边栏 */
.sidebar {
    width: 280px;
    background: rgba(18, 24, 39, 0.8);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.sidebar:hover {
    box-shadow: 0 8px 24px rgba(0, 102, 255, 0.15);
    transform: translateY(-2px);
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.sidebar-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-color);
    font-family: 'Orbitron', sans-serif;
}

.chat-history {
    flex: 1;
    overflow-y: auto;
    margin-bottom: 1.5rem;
}

.chat-item {
    padding: 0.75rem 1rem;
    margin-bottom: 0.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid transparent;
}

.chat-item:hover {
    border-color: var(--primary-color);
    background: rgba(0, 102, 255, 0.1);
    transform: translateX(4px);
}

.chat-item.active {
    border-color: var(--primary-color);
    background: rgba(0, 102, 255, 0.15);
    box-shadow: 0 0 12px rgba(0, 102, 255, 0.2);
}

.chat-item-title {
    font-weight: 500;
    font-size: 0.9rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 0.25rem;
    color: var(--text-color);
}

.chat-item-date {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.api-status {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.status-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.status-indicator.active {
    background-color: var(--success-color);
    box-shadow: 0 0 8px var(--success-color);
    animation: pulse 2s infinite;
}

.status-indicator.inactive {
    background-color: var(--danger-color);
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 200, 176, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(0, 200, 176, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(0, 200, 176, 0);
    }
}

/* 聊天容器 */
.chat-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: rgba(18, 24, 39, 0.8);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: all 0.3s ease;
}

.chat-container:hover {
    box-shadow: 0 8px 24px rgba(0, 102, 255, 0.15);
}

.chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid var(--border-color);
}

.model-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.model-info h2 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-color);
    font-family: 'Orbitron', sans-serif;
}

.model-badge {
    background: linear-gradient(135deg, var(--primary-color), #0052cc);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    box-shadow: 0 4px 6px rgba(0, 102, 255, 0.2);
}

.select-box {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-color);
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M8 11l-4-4h8l-4 4z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 12px;
}

.select-box:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
    background: rgba(255, 255, 255, 0.08);
}

.select-box option {
    background: var(--dark-bg);
    color: var(--text-color);
    padding: 10px;
}

.select-box option:hover {
    background: var(--primary-color);
    color: white;
}

/* 消息容器 */
.message-container {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
    background: 
        radial-gradient(circle at 10% 20%, rgba(0, 102, 255, 0.05) 0%, transparent 20%),
        radial-gradient(circle at 80% 30%, rgba(0, 200, 176, 0.05) 0%, transparent 25%);
}

.welcome-message {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
}

.welcome-content {
    text-align: center;
    max-width: 500px;
    padding: 3rem 2rem;
    background: rgba(18, 24, 39, 0.8);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.welcome-content:hover {
    box-shadow: 0 8px 24px rgba(0, 102, 255, 0.15);
    transform: translateY(-2px);
}

.welcome-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-color);
    font-family: 'Orbitron', sans-serif;
}

.welcome-content p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.quick-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.quick-action-btn {
    padding: 0.75rem 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-color);
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
    position: relative;
    overflow: hidden;
}

.quick-action-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 102, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.quick-action-btn:hover::before {
    left: 100%;
}

.quick-action-btn:hover {
    background: linear-gradient(135deg, var(--primary-color), #0052cc);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 6px rgba(0, 102, 255, 0.2);
}

/* 消息样式 */
.message {
    margin-bottom: 1.5rem;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.message-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 0.75rem;
}

.message-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.user-avatar {
    background: linear-gradient(135deg, var(--primary-color), #0052cc);
    color: white;
}

.ai-avatar {
    background: linear-gradient(135deg, var(--secondary-color), #00a08c);
    color: white;
}

.message-sender {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-color);
}

.message-time {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.copy-btn {
    margin-left: auto;
    padding: 4px 8px;
    font-size: 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
}

.copy-btn:hover {
    background: linear-gradient(135deg, var(--primary-color), #0052cc);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

.copy-btn .icon {
    margin-right: 4px;
}

.message-content {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-lg);
    line-height: 1.7;
    font-size: 0.95rem;
    white-space: pre-wrap;
    word-wrap: break-word;
    transition: all 0.3s ease;
}

.user-message .message-content {
    background: rgba(0, 102, 255, 0.1);
    border: 1px solid rgba(0, 102, 255, 0.2);
    margin-left: 42px;
    box-shadow: 0 2px 4px rgba(0, 102, 255, 0.1);
}

.ai-message .message-content {
    background: rgba(0, 200, 176, 0.1);
    border: 1px solid rgba(0, 200, 176, 0.2);
    margin-left: 42px;
    box-shadow: 0 2px 4px rgba(0, 200, 176, 0.1);
}

/* 输入区域 */
.input-area {
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-top: 1px solid var(--border-color);
}

.input-wrapper {
    display: flex;
    gap: 12px;
    margin-bottom: 1rem;
}

textarea {
    flex: 1;
    padding: 1rem 1.25rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    font-family: inherit;
    font-size: 0.95rem;
    resize: none;
    min-height: 56px;
    max-height: 200px;
    transition: var(--transition);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-color);
}

textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
    background: rgba(255, 255, 255, 0.08);
}

.input-controls {
    display: flex;
    gap: 8px;
    align-items: flex-end;
}

.input-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.options {
    display: flex;
    gap: 1.5rem;
}

.checkbox {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.checkbox input {
    cursor: pointer;
}

.character-count {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* 按钮样式 */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), #0052cc);
    color: white;
    box-shadow: 0 4px 6px rgba(0, 102, 255, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(0, 102, 255, 0.3);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 6px rgba(0, 102, 255, 0.1);
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning-color), #e55a5a);
    color: white;
    box-shadow: 0 4px 6px rgba(255, 107, 107, 0.2);
}

.btn-warning:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(255, 107, 107, 0.3);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

.btn-icon {
    width: 48px;
    height: 48px;
    padding: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

.btn-icon:hover {
    background: linear-gradient(135deg, var(--primary-color), #0052cc);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 6px rgba(0, 102, 255, 0.2);
}

/* 模态框 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal.active {
    display: flex;
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background: rgba(18, 24, 39, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.05);
}

.modal-header h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-color);
    font-family: 'Orbitron', sans-serif;
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.close-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-color);
    transform: rotate(90deg);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    background: rgba(255, 255, 255, 0.05);
}

/* 表单样式 */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-color);
}

.form-group input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-color);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
    background: rgba(255, 255, 255, 0.08);
}

.input-with-eye {
    position: relative;
}

.input-with-eye input {
    padding-right: 3rem;
}

.eye-btn {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.25rem;
    transition: all 0.3s ease;
}

.eye-btn:hover {
    color: var(--text-color);
    transform: translateY(-50%) scale(1.1);
}

.help-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.test-section {
    margin: 2rem 0;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.test-result {
    margin-top: 1rem;
    padding: 0.75rem;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    display: none;
}

.test-result.success {
    display: block;
    background: rgba(0, 200, 176, 0.1);
    color: var(--success-color);
    border: 1px solid var(--success-color);
}

.test-result.error {
    display: block;
    background: rgba(255, 107, 107, 0.1);
    color: var(--danger-color);
    border: 1px solid var(--danger-color);
}

.security-notice {
    display: flex;
    gap: 12px;
    padding: 1rem;
    background: rgba(255, 203, 85, 0.1);
    border: 1px solid rgba(255, 203, 85, 0.3);
    border-radius: var(--radius-md);
    margin-top: 1.5rem;
}

.security-notice i {
    color: #f59e0b;
    font-size: 1.2rem;
}

.security-notice p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* 页脚 */
.footer {
    padding: 1.5rem;
    text-align: center;
    background: rgba(18, 24, 39, 0.8);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.85rem;
    border-radius: 16px;
    margin: 1rem 0;
    transition: all 0.3s ease;
}

.footer:hover {
    box-shadow: 0 4px 12px rgba(0, 102, 255, 0.15);
}

.footer-links {
    margin-top: 0.5rem;
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.footer-links a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.footer-links a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: -100%;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    transition: left 0.5s ease;
}

.footer-links a:hover::before {
    left: 100%;
}

.footer-links a:hover {
    color: var(--secondary-color);
    text-decoration: none;
}

/* 加载动画 */
.loading-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 14, 23, 0.9);
    backdrop-filter: blur(10px);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.loading-overlay.active {
    display: flex;
}

.loading-spinner {
    text-align: center;
    background: rgba(18, 24, 39, 0.8);
    backdrop-filter: blur(10px);
    padding: 3rem 2rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

.spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(255, 255, 255, 0.1);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
    box-shadow: 0 0 20px rgba(0, 102, 255, 0.3);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-spinner p {
    color: var(--text-color);
    font-weight: 500;
    font-family: 'Orbitron', sans-serif;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .main-content {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        height: 200px;
    }
}

@media (max-width: 768px) {
    .header {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }
    
    .logo h1 {
        font-size: 1.25rem;
    }
    
    .main-content {
        padding: 1rem;
    }
    
    .chat-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .input-footer {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
    
    .options {
        flex-direction: column;
        gap: 0.75rem;
    }
}

/* 代码块样式 */
.message-content pre {
    background: rgba(0, 0, 0, 0.5);
    color: #d4d4d4;
    padding: 1rem;
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin: 0.75rem 0;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
}

.message-content code {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.2rem 0.4rem;
    border-radius: var(--radius-sm);
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    color: var(--secondary-color);
}

.message-content pre code {
    background: none;
    padding: 0;
    color: #d4d4d4;
}

/* 流式输出样式 */
.streaming-cursor {
    display: inline-block;
    width: 8px;
    height: 1em;
    background-color: var(--primary-color);
    animation: blink 1s infinite;
    vertical-align: middle;
    margin-left: 2px;
    box-shadow: 0 0 8px var(--primary-color);
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* 图标字体替代方案 */
.icon {
    display: inline-block;
    text-align: center;
    line-height: 1;
}

.icon-robot::before { content: "🤖"; }
.icon-cog::before { content: "⚙️"; }
.icon-trash::before { content: "🗑️"; }
.icon-plus::before { content: "➕"; }
.icon-user::before { content: "👤"; }
.icon-history::before { content: "📜"; }
.icon-paper-plane::before { content: "✈️"; }
.icon-microphone::before { content: "🎤"; }
.icon-microphone-slash::before { content: "🎤🚫"; }
.icon-key::before { content: "🔑"; }
.icon-eye::before { content: "👁️"; }
.icon-eye-slash::before { content: "👁️🚫"; }
.icon-vial::before { content: "🧪"; }
.icon-lock::before { content: "🔒"; }
.icon-shield::before { content: "🛡️"; }
.icon-question::before { content: "❓"; }
.icon-check::before { content: "✅"; }
.icon-error::before { content: "❌"; }
.icon-warning::before { content: "⚠️"; }
.icon-info::before { content: "ℹ️"; }
.icon-code::before { content: "💻"; }
.icon-brain::before { content: "🧠"; }
.icon-envelope::before { content: "✉️"; }
.icon-spinner::before { content: "⏳"; }

/* Toast动画 */
@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes slideOut {
    from { transform: translateX(0); opacity: 1; }
    to { transform: translateX(100%); opacity: 0; }
}

/* Toast样式 */
.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 12px 20px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    z-index: 10000;
    animation: slideIn 0.3s ease;
    max-width: 300px;
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
}

.toast-content {
    display: flex;
    align-items: center;
    gap: 8px;
    color: white;
}

.toast-success { 
    background: linear-gradient(135deg, var(--success-color), #00a08c);
    box-shadow: 0 4px 6px rgba(0, 200, 176, 0.3);
}
.toast-error { 
    background: linear-gradient(135deg, var(--danger-color), #e55a5a);
    box-shadow: 0 4px 6px rgba(255, 107, 107, 0.3);
}
.toast-warning { 
    background: linear-gradient(135deg, var(--warning-color), #e55a5a);
    box-shadow: 0 4px 6px rgba(255, 107, 107, 0.3);
}
.toast-info { 
    background: linear-gradient(135deg, var(--primary-color), #0052cc);
    box-shadow: 0 4px 6px rgba(0, 102, 255, 0.3);
}