/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    /* 更沉稳的浅色中性背景 */
    background: linear-gradient(135deg, #e5e7eb 0%, #f3f4f6 100%);
    min-height: 100vh;
    color: #333;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

/* 头部样式 */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 48px 28px; /* 再次拉长，适配更大 Logo */
    margin-bottom: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

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

.header h1 {
    color: #334155; /* slate-700 */
    font-size: 1.6rem; /* 字体小一号 */
    font-weight: 600;
}

.header h1.brand {
    display: flex;
    align-items: flex-end; /* 文字在 Logo 右下角（底对齐） */
    gap: 18px;
    line-height: 1; /* 减少标题内上下空白 */
}

.header h1 i {
    color: #64748b; /* slate-500 */
    margin-right: 10px;
}

/* 站点 Logo（嵌入头部） */
#site-logo {
    height: 88px; /* 继续增大 Logo */
    width: auto;
    display: inline-block;
    object-fit: contain;
    border-radius: 6px;
    padding: 2px;
    background: #fff;
    border: 1px solid rgba(15, 23, 42, 0.06);
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.06);
}

.brand-title {
    display: inline-block;
    line-height: 1.1; /* 保持原字号不变，同时更紧凑 */
    margin-bottom: 4px; /* 让文字更贴近更高的 Logo 底部 */
}

/* 小屏幕适配：避免 Logo 过大占位 */
@media (max-width: 640px) {
    #site-logo { height: 64px; }
}

.header-actions {
    display: flex;
    gap: 10px;
}

/* 认证区域 */
.auth-section {
    margin-bottom: 20px;
}

/* 主要内容区域 */
.main-content {
    display: flex;
    gap: 20px;
}

/* 侧边栏 */
.sidebar {
    width: 250px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 20px;
    height: fit-content;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.nav-menu {
    list-style: none;
}

.nav-menu li {
    margin-bottom: 8px;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    color: #475569; /* slate-600 */
    text-decoration: none;
    border-radius: 10px;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.nav-item:hover {
    background: rgba(71, 85, 105, 0.12); /* slate-600 @ 12% */
    color: #475569;
}

.nav-item.active {
    background: linear-gradient(135deg, #475569, #334155);
    color: white;
    box-shadow: 0 4px 15px rgba(51, 65, 85, 0.35);
}

.nav-item i {
    margin-right: 10px;
    width: 20px;
}

/* 内容区域 */
.content-area {
    flex: 1;
}

.content-section {
    display: none;
}

.content-section.active {
    display: block;
}

.content-section h2 {
    color: #334155; /* 更稳重的标题色 */
    margin-bottom: 20px;
    font-size: 1.5rem;
    font-weight: 600;
}

/* 卡片样式 */
.card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    margin-bottom: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.card-header {
    background: linear-gradient(135deg, #f8fafc, #f1f5f9);
    padding: 20px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h3 {
    color: #334155;
    font-size: 1.2rem;
    font-weight: 600;
}

.card-header h3 i {
    color: #64748b;
    margin-right: 10px;
}

.card-content {
    padding: 20px;
}

/* 按钮样式 */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, #475569, #334155);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(51, 65, 85, 0.45);
}

.btn-secondary {
    background: #e2e8f0;
    color: #4a5568;
}

.btn-secondary:hover {
    background: #cbd5e0;
    transform: translateY(-1px);
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444, #b91c1c);
    color: white;
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(185, 28, 28, 0.45);
}

.btn-success {
    background: linear-gradient(135deg, #22c55e, #15803d);
    color: white;
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(21, 128, 61, 0.45);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

/* 表单元素 */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #4a5568;
    font-weight: 500;
}

.form-hint {
    margin-top: 6px;
    color: #64748b; /* slate-500 */
    font-size: 12px;
}

.input-group {
    display: flex;
    gap: 10px;
    align-items: center;
}

input[type="text"],
input[type="password"],
input[type="number"],
input[type="url"],
textarea,
select {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s ease;
    background: white;
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: #475569;
    box-shadow: 0 0 0 3px rgba(71, 85, 105, 0.15);
}

/* 切换开关 */
.toggle-group {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 25px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: .4s;
    border-radius: 25px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 19px;
    width: 19px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

input:checked + .slider {
    background: linear-gradient(135deg, #475569, #334155);
}

input:checked + .slider:before {
    transform: translateX(25px);
}

.toggle-label {
    color: #475569;
    font-weight: 500;
}

/* 列表样式 */
.key-list,
.provider-list,
.file-list {
    max-height: 400px;
    overflow-y: auto;
}

.key-item,
.provider-item,
.file-item {
    background: #f7fafc;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

.key-item:hover,
.provider-item:hover,
.file-item:hover {
    background: #edf2f7;
    border-color: #cbd5e0;
    transform: translateY(-1px);
}

.item-content {
    flex: 1;
}

.item-actions {
    display: flex;
    gap: 8px;
}

.item-title {
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 4px;
}

.item-subtitle {
    color: #718096;
    font-size: 0.9rem;
}

.item-value {
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    background: #edf2f7;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.85rem;
    color: #4a5568;
    word-break: break-all;
}

/* 状态信息 */
.status-info {
    background: #f7fafc;
    border-radius: 8px;
    padding: 20px;
}

.status-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid #e2e8f0;
}

.status-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.status-label {
    font-weight: 600;
    color: #4a5568;
}

.status-value {
    color: #718096;
}

/* 模态框 */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: white;
    margin: 10% auto;
    padding: 0;
    border-radius: 15px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    padding: 20px;
    cursor: pointer;
}

.close:hover,
.close:focus {
    color: #475569;
}

#modal-body {
    padding: 0 30px 30px 30px;
}

/* 通知 */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 15px 20px;
    border-radius: 8px;
    color: white;
    font-weight: 500;
    z-index: 1001;
    transform: translateX(400px);
    transition: all 0.3s ease;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.notification.show {
    transform: translateX(0);
}

.notification.success {
    background: linear-gradient(135deg, #68d391, #38a169);
}

.notification.error {
    background: linear-gradient(135deg, #fc8181, #e53e3e);
}

.notification.info {
    background: linear-gradient(135deg, #63b3ed, #3182ce);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .main-content {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        order: 2;
    }
    
    .content-area {
        order: 1;
    }
    
    .nav-menu {
        display: flex;
        overflow-x: auto;
        gap: 10px;
    }
    
    .nav-menu li {
        margin-bottom: 0;
        flex-shrink: 0;
    }
    
    .header-content {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .input-group {
        flex-direction: column;
        align-items: stretch;
    }
    
    .card-header {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }
    
    .header-actions {
        width: 100%;
        justify-content: center;
    }
}

/* 加载动画 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

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

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: #718096;
}

.empty-state i {
    font-size: 48px;
    margin-bottom: 16px;
    color: #cbd5e0;
}

.empty-state h3 {
    margin-bottom: 8px;
    color: #4a5568;
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #475569, #334155);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #334155, #1f2937);
}

/* 连接状态指示器 */
.connection-indicator {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-right: 8px;
}

.connection-indicator.connected {
    background-color: #68d391;
    box-shadow: 0 0 8px rgba(104, 211, 145, 0.6);
}

.connection-indicator.disconnected {
    background-color: #fc8181;
    box-shadow: 0 0 8px rgba(252, 129, 129, 0.6);
}

.connection-indicator.connecting {
    background-color: #fbb040;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
    100% {
        opacity: 1;
    }
}