/* ==================== 全局变量 ==================== */
:root {
    /* 背景色 - 暗黑主题 */
    --bg-primary: #0a0e1a;
    --bg-secondary: #111827;
    --bg-tertiary: #1f2937;
    --bg-hover: #374151;

    /* 文字颜色 */
    --text-primary: #f3f4f6;
    --text-secondary: #d1d5db;
    --text-muted: #6b7280;

    /* 边框颜色 */
    --border-color: #374151;
    --border-light: #4b5563;

    /* 强调色 */
    --accent-primary: #6366f1;
    --accent-hover: #4f46e5;
    --accent-light: rgba(99, 102, 241, 0.1);

    /* 状态颜色 */
    --success: #10b981;
    --success-bg: rgba(16, 185, 129, 0.1);
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.1);
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.1);
    --info: #3b82f6;
    --info-bg: rgba(59, 130, 246, 0.1);

    /* 阴影 */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.3);

    /* 圆角 */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* ==================== 布局 ==================== */
.container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ==================== 头部 ==================== */
.header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-md);
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-primary), #a855f7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav {
    display: flex;
    gap: 0.5rem;
}

.nav-link {
    padding: 0.5rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-link:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.nav-link.active {
    background: var(--accent-primary);
    color: white;
}

/* ==================== 主内容区 ==================== */
.main {
    flex: 1;
    padding: 2rem;
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
}

.page-header {
    margin-bottom: 2rem;
}

.page-header h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.subtitle {
    color: var(--text-muted);
    font-size: 1rem;
}

/* ==================== 统计网格 ==================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all 0.2s ease;
}

.stat-card:hover {
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
}

.stat-card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-card-icon::before {
    content: '';
    width: 24px;
    height: 24px;
    background: currentColor;
    mask-size: contain;
    -webkit-mask-size: contain;
}

.stat-card-icon-blue {
    background: var(--info-bg);
    color: var(--info);
}

.stat-card-icon-green {
    background: var(--success-bg);
    color: var(--success);
}

.stat-card-icon-purple {
    background: var(--accent-light);
    color: var(--accent-primary);
}

.stat-card-icon-orange {
    background: var(--warning-bg);
    color: var(--warning);
}

.stat-card-content {
    flex: 1;
}

.stat-card-label {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: 0.25rem;
}

.stat-card-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-card-sub {
    color: var(--text-muted);
    font-size: 0.75rem;
}

/* ==================== 操作栏 ==================== */
.actions-bar {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

/* ==================== 按钮 ==================== */
.btn {
    padding: 0.625rem 1.25rem;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

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

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

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

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

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
}

.btn-link {
    background: transparent;
    color: var(--accent-primary);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-size: 0.875rem;
}

.btn-link:hover {
    background: var(--accent-light);
}

.btn-icon {
    width: 32px;
    height: 32px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-icon:hover {
    background: var(--bg-hover);
}

.btn-success::before,
.btn-danger::before,
.btn-warning::before,
.btn-info::before {
    pointer-events: none;
}

.btn-success::before {
    content: '✓';
    color: var(--success);
}

.btn-danger::before {
    content: '✕';
    color: var(--danger);
}

.btn-warning::before {
    content: '⊘';
    color: var(--warning);
}

.btn-info::before {
    content: '↻';
    color: var(--info);
}

/* ==================== 卡片 ==================== */
.card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 1.5rem;
}

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

.card-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
}

.card-body {
    padding: 1.5rem;
}

.card-body h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.card-body h5 {
    font-size: 0.875rem;
    font-weight: 600;
    margin: 1rem 0 0.5rem;
    color: var(--text-secondary);
}

.card-body p {
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.card-body ul {
    margin: 0.5rem 0;
    padding-left: 1.5rem;
    color: var(--text-secondary);
}

.card-body li {
    margin-bottom: 0.25rem;
}

/* ==================== 表格 ==================== */
.table-container {
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: 0.875rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.table th {
    background: var(--bg-tertiary);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}

.table tr:hover {
    background: var(--bg-tertiary);
}

.table tr.disabled {
    opacity: 0.5;
}

.table .empty-state {
    text-align: center;
    padding: 3rem !important;
}

.empty-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1rem;
    opacity: 0.3;
    background: var(--text-muted);
    mask: url('data:image/svg+xml;utf8,<svg viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-2 15l-5-5 1.41-1.41L10 14.17l7.59-7.59L19 8l-9 9z"/></svg>') no-repeat center;
    -webkit-mask: url('data:image/svg+xml;utf8,<svg viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-2 15l-5-5 1.41-1.41L10 14.17l7.59-7.59L19 8l-9 9z"/></svg>') no-repeat center;
}

.mono {
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    font-size: 0.875rem;
}

.key-cell {
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.key-code {
    background: var(--bg-tertiary);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
}

.text-dimmed {
    color: var(--text-muted);
}

.success {
    color: var(--success);
}

.failed {
    color: var(--danger);
}

.text-success {
    color: var(--success);
}

.text-failed {
    color: var(--danger);
}

/* ==================== 状态徽章 ==================== */
.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
}

.status-active {
    background: var(--success-bg);
    color: var(--success);
}

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

.success-rate {
    font-size: 0.875rem;
    font-weight: 500;
}

.success-rate.low {
    color: var(--danger);
}

/* ==================== 统计项 ==================== */
.stats {
    display: flex;
    gap: 1.5rem;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.75rem;
}

.stat-value {
    font-weight: 600;
    font-size: 1rem;
}

/* ==================== 操作按钮组 ==================== */
.action-buttons {
    display: flex;
    gap: 0.5rem;
}

.btn-action {
    min-width: 32px;
    height: 28px;
    padding: 0 6px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.875rem;
}

.btn-action:hover {
    background: var(--bg-hover);
    border-color: var(--accent-primary);
}

.key-display {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.input-mono {
    flex: 1;
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    font-size: 0.875rem;
}

.text-warning {
    color: var(--warning);
    font-size: 0.875rem;
    margin-top: 1rem;
}

.btn-copy {
    width: 24px;
    height: 24px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
    opacity: 0;
}

.btn-copy::before {
    content: '';
    width: 12px;
    height: 12px;
    background: var(--text-secondary);
    mask: url('data:image/svg+xml;utf8,<svg viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path d="M16 1H4c-1.1 0-2 .9-2 2v14h2V3h12V1zm3 4H8c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h11c1.1 0 2-.9 2-2V7c0-1.1-.9-2-2-2zm0 16H8V7h11v14z"/></svg>') no-repeat center;
    -webkit-mask: url('data:image/svg+xml;utf8,<svg viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path d="M16 1H4c-1.1 0-2 .9-2 2v14h2V3h12V1zm3 4H8c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h11c1.1 0 2-.9 2-2V7c0-1.1-.9-2-2-2zm0 16H8V7h11v14z"/></svg>') no-repeat center;
}

.btn-copy:hover {
    background: var(--bg-hover);
    border-color: var(--accent-primary);
}

.key-cell:hover .btn-copy {
    opacity: 1;
}

/* ==================== 信息横幅 ==================== */
.info-banner {
    background: var(--bg-tertiary);
    border: 1px solid var(--accent-primary);
    border-radius: var(--radius-md);
    padding: 1rem 1.5rem;
    margin-bottom: 1.5rem;
    display: flex;
    gap: 1rem;
    align-items: start;
}

.info-banner-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    background: var(--accent-primary);
    mask: url('data:image/svg+xml;utf8,<svg viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm1 15h-2v-6h2v6zm0-8h-2V7h2v2z"/></svg>') no-repeat center;
    -webkit-mask: url('data:image/svg+xml;utf8,<svg viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm1 15h-2v-6h2v6zm0-8h-2V7h2v2z"/></svg>') no-repeat center;
}

.info-banner-content strong {
    display: block;
    margin-bottom: 0.25rem;
}

.info-banner-content p {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin: 0;
}

.inline-code {
    background: var(--bg-secondary);
    padding: 0.125rem 0.375rem;
    border-radius: var(--radius-sm);
    font-family: 'SF Mono', Monaco, monospace;
    font-size: 0.75rem;
    color: var(--accent-primary);
}

/* ==================== 代码块 ==================== */
.code-block {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem;
    overflow-x: auto;
    margin: 0.5rem 0;
}

.code-block code {
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ==================== 表单 ==================== */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.input {
    width: 100%;
    padding: 0.625rem 0.875rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: all 0.2s ease;
}

.input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-light);
}

/* ==================== 模态框 ==================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
}

.modal.show {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 500px;
    box-shadow: var(--shadow-lg);
    transform: scale(0.95);
    transition: transform 0.2s ease;
}

.modal.show .modal-content {
    transform: scale(1);
}

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

.modal-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
}

.modal-close {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

.modal-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}

/* ==================== Toast 通知 ==================== */
.toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toast {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem 1.5rem;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    animation: slideIn 0.3s ease;
    max-width: 400px;
}

.toast.toast-success {
    border-color: var(--success);
}

.toast.toast-error {
    border-color: var(--danger);
}

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

@keyframes fadeOut {
    to {
        opacity: 0;
        transform: translateX(100%);
    }
}

/* ==================== 页脚 ==================== */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 1.5rem 2rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ==================== 响应式 ==================== */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }

    .main {
        padding: 1rem;
    }

    .page-header h2 {
        font-size: 1.5rem;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .actions-bar {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .stats {
        flex-direction: column;
        gap: 0.5rem;
    }

    .table {
        font-size: 0.75rem;
    }

    .table th,
    .table td {
        padding: 0.5rem;
    }
}

/* ==================== Token 统计样式 ==================== */
.token-stats {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    font-size: 0.85rem;
}

.token-label {
    color: var(--text-muted);
    font-size: 0.75rem;
}

.stat-value {
    font-weight: 600;
    color: var(--text-primary);
}

@media (min-width: 1024px) {
    .token-stats {
        flex-direction: row;
        gap: 0.75rem;
    }
}