/* ===== 星驿付网关管理后台 - 设计系统 ===== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    /* 颜色系统 */
    --bg-primary: #0f1117;
    --bg-secondary: #161822;
    --bg-card: #1c1f2e;
    --bg-card-hover: #232638;
    --bg-input: #1a1d2b;
    --bg-modal: #1c1f2eee;

    --border-color: #2a2d3e;
    --border-hover: #3a3d5e;

    --text-primary: #e8eaed;
    --text-secondary: #9aa0b0;
    --text-muted: #5f6478;

    --accent-blue: #4f8cff;
    --accent-blue-hover: #6ba0ff;
    --accent-green: #34d399;
    --accent-green-bg: rgba(52, 211, 153, 0.12);
    --accent-red: #f87171;
    --accent-red-bg: rgba(248, 113, 113, 0.12);
    --accent-yellow: #fbbf24;
    --accent-yellow-bg: rgba(251, 191, 36, 0.12);
    --accent-purple: #a78bfa;
    --accent-gray: #6b7280;
    --accent-gray-bg: rgba(107, 114, 128, 0.12);

    --gradient-blue: linear-gradient(135deg, #4f8cff 0%, #6366f1 100%);
    --gradient-green: linear-gradient(135deg, #34d399 0%, #10b981 100%);
    --gradient-purple: linear-gradient(135deg, #a78bfa 0%, #8b5cf6 100%);
    --gradient-orange: linear-gradient(135deg, #fb923c 0%, #f97316 100%);

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 20px rgba(79, 140, 255, 0.15);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;

    --transition: all 0.2s ease;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ===== 登录页 ===== */
.login-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(79, 140, 255, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(99, 102, 241, 0.06) 0%, transparent 50%),
        var(--bg-primary);
}

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 48px 40px;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-lg);
}

.login-card .logo {
    text-align: center;
    margin-bottom: 32px;
}

.login-card .logo h1 {
    font-size: 24px;
    font-weight: 700;
    background: var(--gradient-blue);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.login-card .logo p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* ===== 表单控件 ===== */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    transition: var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(79, 140, 255, 0.15);
}

.form-group input::placeholder {
    color: var(--text-muted);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.form-group .hint {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ===== 按钮 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: var(--transition);
    outline: none;
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-blue);
    color: #fff;
    box-shadow: 0 2px 8px rgba(79, 140, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(79, 140, 255, 0.4);
}

.btn-success {
    background: var(--accent-green);
    color: #fff;
}

.btn-success:hover {
    background: #2cc78a;
}

.btn-danger {
    background: var(--accent-red);
    color: #fff;
}

.btn-danger:hover {
    background: #ef5555;
}

.btn-outline {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.btn-outline:hover {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

.btn-block {
    width: 100%;
    padding: 14px;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* ===== 主布局 ===== */
.app-layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 240px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
}

.sidebar-header {
    padding: 24px 20px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-header h2 {
    font-size: 16px;
    font-weight: 700;
    background: var(--gradient-blue);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sidebar-header p {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 4px;
}

.sidebar-nav {
    flex: 1;
    padding: 12px 8px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    font-size: 14px;
    margin-bottom: 2px;
}

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

.nav-item.active {
    background: rgba(79, 140, 255, 0.1);
    color: var(--accent-blue);
    font-weight: 500;
}

.nav-item .icon {
    font-size: 18px;
    width: 22px;
    text-align: center;
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--border-color);
}

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

.main-content {
    flex: 1;
    margin-left: 240px;
    padding: 32px;
    min-height: 100vh;
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
}

.page-header h1 {
    font-size: 22px;
    font-weight: 600;
}

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

/* ===== 统计卡片 ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.stat-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
}

.stat-card:nth-child(1)::before { background: var(--gradient-blue); }
.stat-card:nth-child(2)::before { background: var(--gradient-green); }
.stat-card:nth-child(3)::before { background: var(--gradient-purple); }
.stat-card:nth-child(4)::before { background: var(--gradient-orange); }

.stat-card .label {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.stat-card .value {
    font-size: 28px;
    font-weight: 700;
}

.stat-card .sub {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ===== 表格 ===== */
.table-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.table-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
}

.table-toolbar .filters {
    display: flex;
    gap: 12px;
    align-items: center;
}

.table-toolbar select {
    padding: 8px 12px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 13px;
    outline: none;
}

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

th, td {
    padding: 14px 20px;
    text-align: left;
    font-size: 13px;
    white-space: nowrap;
}

th {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    font-size: 11px;
    letter-spacing: 0.5px;
}

td {
    border-top: 1px solid var(--border-color);
}

tr:hover td {
    background: var(--bg-card-hover);
}

.table-pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px;
    border-top: 1px solid var(--border-color);
    font-size: 13px;
    color: var(--text-secondary);
}

.table-pagination .pages {
    display: flex;
    gap: 4px;
}

.table-pagination .page-btn {
    padding: 6px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 13px;
    transition: var(--transition);
}

.table-pagination .page-btn:hover,
.table-pagination .page-btn.active {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    color: #fff;
}

/* ===== 状态标签 ===== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.badge-success {
    background: var(--accent-green-bg);
    color: var(--accent-green);
}

.badge-warning {
    background: var(--accent-yellow-bg);
    color: var(--accent-yellow);
}

.badge-danger {
    background: var(--accent-red-bg);
    color: var(--accent-red);
}

.badge-gray {
    background: var(--accent-gray-bg);
    color: var(--accent-gray);
}

/* ===== 开关 ===== */
.switch {
    position: relative;
    width: 44px;
    height: 24px;
    cursor: pointer;
    display: inline-block;
}

.switch input {
    display: none;
}

.switch .slider {
    position: absolute;
    inset: 0;
    background: var(--border-color);
    border-radius: 24px;
    transition: var(--transition);
}

.switch .slider::before {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #fff;
    top: 3px;
    left: 3px;
    transition: var(--transition);
}

.switch input:checked + .slider {
    background: var(--accent-green);
}

.switch input:checked + .slider::before {
    transform: translateX(20px);
}

/* ===== 模态框 ===== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 20px;
}

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

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 560px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: modalSlideIn 0.2s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px) scale(0.97);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 28px 16px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    font-size: 17px;
    font-weight: 600;
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: 8px;
    font-size: 20px;
    transition: var(--transition);
}

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

.modal-body {
    padding: 24px 28px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding: 16px 28px 24px;
}

/* ===== 消息提示 ===== */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    padding: 14px 20px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: #fff;
    min-width: 280px;
    box-shadow: var(--shadow-md);
    animation: toastSlideIn 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
}

.toast-success { background: #059669; }
.toast-error { background: #dc2626; }
.toast-info { background: #2563eb; }

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

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

/* ===== 空状态 ===== */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.empty-state .icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.empty-state p {
    font-size: 15px;
}

/* ===== 加载动画 ===== */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ===== 操作按钮组 ===== */
.action-btns {
    display: flex;
    gap: 6px;
}

.action-btns .btn-sm {
    padding: 4px 10px;
    font-size: 11px;
}

/* ===== 代码/Token显示 ===== */
.code-text {
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 12px;
    background: var(--bg-input);
    padding: 3px 8px;
    border-radius: 4px;
    color: var(--accent-purple);
    max-width: 180px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: inline-block;
}

/* ===== 通道开关组 ===== */
.switch-group {
    display: flex;
    gap: 12px;
    align-items: center;
}

.switch-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-secondary);
}

/* ===== 响应式 ===== */
@media (max-width: 768px) {
    .sidebar {
        width: 60px;
    }

    .sidebar-header h2,
    .sidebar-header p,
    .nav-item span:not(.icon) {
        display: none;
    }

    .main-content {
        margin-left: 60px;
        padding: 16px;
    }

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

    .page-header {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }
}