/**
 * Nebula Tech - 统一设计系统
 * 所有 Peoway 子域名共享的 CSS 基础样式
 */

:root {
    /* 背景色 */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: rgba(18, 18, 26, 0.8);
    --bg-glass: rgba(255, 255, 255, 0.03);
    
    /* 边框 */
    --border-glass: rgba(255, 255, 255, 0.08);
    
    /* 文字色 */
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #6b6b7b;
    
    /* 强调色 */
    --accent-cyan: #00f5d4;
    --accent-purple: #a855f7;
    --accent-gradient: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    
    /* 状态色 */
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    
    /* 阴影 */
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
    
    /* 环境效果 */
    --grid-line-opacity: 0.02;
    --glow-opacity: 0.08;
    
    /* 字体 */
    --font-mono: 'JetBrains Mono', monospace;
}

/* 基础重置 */
* { margin: 0; padding: 0; box-sizing: border-box; }

/* 让浏览器原生控件（select/option/checkbox 等）匹配网页主题 */
html { color-scheme: light dark; }
html[data-theme="nebula"],
html[data-theme="obsidian"],
html[data-theme="forest"] { color-scheme: dark; }
html[data-theme="stellar"] { color-scheme: light; }

body {
    font-family: 'Space Grotesk', sans-serif;
    background: var(--bg-primary);
    background-image: 
        radial-gradient(ellipse at 20% 20%, rgba(0, 245, 212, var(--glow-opacity)) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(168, 85, 247, var(--glow-opacity)) 0%, transparent 50%);
    color: var(--text-primary);
    min-height: 100vh;
}

/* 自定义滚动条 - 深色主题 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.28);
}
* {
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.15) var(--bg-secondary);
}

/* 网格背景 */
body::before {
    content: '';
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background-image: 
        linear-gradient(rgba(255,255,255,var(--grid-line-opacity)) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,var(--grid-line-opacity)) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: -1;
}

/* 布局 */
.container { max-width: 1400px; margin: 0 auto; padding: 40px 20px; }

/* 头部 */
.page-header {
    text-align: center;
    padding: 60px 20px;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    border-radius: 24px;
    margin-bottom: 40px;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--accent-gradient);
}

.logo {
    font-size: 42px;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 12px;
}

.subtitle { color: var(--text-secondary); font-size: 16px; }

/* 导航 */
.nav, .main-nav {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.nav a, .main-nav a {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 12px 24px;
    border-radius: 12px;
    border: 1px solid var(--border-glass);
    background: var(--bg-glass);
    transition: all 0.3s ease;
    font-weight: 500;
}

.nav a:hover, .main-nav a:hover {
    color: var(--accent-cyan);
    border-color: var(--accent-cyan);
    background: rgba(0, 245, 212, 0.1);
}

/* 卡片 */
.card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    border-radius: 20px;
    padding: 32px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-card);
}

.card-title {
    font-size: 20px;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.card-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--border-glass), transparent);
}

/* 按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--accent-gradient);
    border: none;
    border-radius: 10px;
    color: var(--bg-primary);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 245, 212, 0.4);
}

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

.btn-secondary:hover {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
}

.btn-danger {
    background: rgba(239, 68, 68, 0.2);
    border: 1px solid var(--danger);
    color: var(--danger);
}

/* 输入框 */
.form-input {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-glass);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 14px;
    transition: all 0.2s;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 3px rgba(0, 245, 212, 0.1);
}

/* 开关组件 (Toggle Switch) */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 52px;
    height: 28px;
}

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

.toggle-switch .slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--border-glass);
    border-radius: 28px;
    transition: all 0.3s ease;
}

.toggle-switch .slider:before {
    content: '';
    position: absolute;
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background: linear-gradient(145deg, #ffffff, #e0e0e0);
    border-radius: 50%;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.toggle-switch input:checked + .slider {
    background: linear-gradient(135deg, rgba(0, 245, 212, 0.3), rgba(168, 85, 247, 0.3));
    border-color: var(--accent-cyan);
    box-shadow: 0 0 12px rgba(0, 245, 212, 0.3);
}

.toggle-switch input:checked + .slider:before {
    transform: translateX(24px);
    background: linear-gradient(145deg, var(--accent-cyan), #00d4b8);
    box-shadow: 0 2px 8px rgba(0, 245, 212, 0.5);
}

.toggle-switch input:disabled + .slider {
    opacity: 0.4;
    cursor: not-allowed;
    background: rgba(255, 255, 255, 0.05);
}

.toggle-switch input:disabled + .slider:before {
    background: linear-gradient(145deg, #888, #666);
    box-shadow: none;
}

.toggle-switch input:focus + .slider {
    box-shadow: 0 0 0 3px rgba(0, 245, 212, 0.2);
}

.toggle-switch input:checked:focus + .slider {
    box-shadow: 0 0 0 3px rgba(0, 245, 212, 0.2), 0 0 12px rgba(0, 245, 212, 0.3);
}

/* 小尺寸开关 */
.toggle-switch.small {
    width: 40px;
    height: 22px;
}

.toggle-switch.small .slider {
    border-radius: 22px;
}

.toggle-switch.small .slider:before {
    height: 16px;
    width: 16px;
    left: 2px;
    bottom: 2px;
}

.toggle-switch.small input:checked + .slider:before {
    transform: translateX(18px);
}

/* 大尺寸开关 */
.toggle-switch.large {
    width: 64px;
    height: 34px;
}

.toggle-switch.large .slider {
    border-radius: 34px;
}

.toggle-switch.large .slider:before {
    height: 26px;
    width: 26px;
    left: 4px;
    bottom: 4px;
}

.toggle-switch.large input:checked + .slider:before {
    transform: translateX(30px);
}

/* 表单组件 */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 16px;
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-label i {
    color: var(--accent-cyan);
    font-size: 14px;
    width: 18px;
    text-align: center;
}

.form-hint {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
}

/* 响应式 */
@media (max-width: 768px) {
    .container { padding: 20px; }
    .page-header { padding: 40px 20px; }
    .logo { font-size: 32px; }
    .nav, .main-nav { flex-direction: column; align-items: center; }
    .nav a, .main-nav a { width: 100%; text-align: center; }
}

/* ============================================================
   Nebula Tech Extended Components
   从 design-system.css 迁移的通用组件，供所有子域名使用
   ============================================================ */

/* 补充设计变量 */
:root {
    --accent-primary: var(--accent-cyan);
    --accent-secondary: var(--accent-purple);
    --info: #3b82f6;
    --shadow-glow: 0 0 40px rgba(0, 245, 212, 0.15);
    --font-display: 'Space Grotesk', sans-serif;
}

/* Header 组件（Dashboard 风格） */
.header {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    border-radius: 20px;
    padding: 32px;
    margin-bottom: 32px;
    position: relative;
    overflow: hidden;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent-gradient);
    box-shadow: 0 0 20px var(--accent-cyan);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 16px;
}

.brand-logo {
    width: 56px;
    height: 56px;
    background: var(--accent-gradient);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    box-shadow: var(--shadow-glow);
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 20px rgba(0, 245, 212, 0.3); }
    50% { box-shadow: 0 0 40px rgba(0, 245, 212, 0.6); }
}

.brand-text h1 {
    font-size: 28px;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.brand-text p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: 4px;
}

.header-meta {
    text-align: right;
    color: var(--text-muted);
    font-size: 13px;
    font-family: var(--font-mono);
}

.header-meta span {
    display: block;
    margin-bottom: 4px;
}

.logout-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: 10px;
    color: var(--danger);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.logout-btn:hover {
    background: rgba(239, 68, 68, 0.2);
    box-shadow: 0 0 20px rgba(239, 68, 68, 0.3);
}

/* 分组导航 */
.nav-sections {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.nav-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nav-group-title {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    padding-left: 4px;
}

.nav-group-items {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.nav-item {
    padding: 8px 14px;
    border-radius: 8px;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 13px;
    transition: all 0.3s ease;
    white-space: nowrap;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid transparent;
}

.nav-item:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.1);
}

.nav-item.active {
    color: var(--accent-cyan);
    background: rgba(0, 245, 212, 0.1);
    border-color: rgba(0, 245, 212, 0.3);
}

.nav-mobile {
    display: none;
}

.nav-select {
    width: 100%;
    padding: 12px 16px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-glass);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 14px;
    cursor: pointer;
}

.nav-select:focus {
    outline: none;
    border-color: var(--accent-cyan);
}

.nav-select option,
.nav-select optgroup {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

/* 原生表单元素样式 */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
select,
textarea {
    width: 100%;
    padding: 14px 18px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-glass);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 15px;
    font-family: var(--font-display);
    transition: all 0.3s ease;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 3px rgba(0, 245, 212, 0.1);
}

select option {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

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

.btn-sm {
    padding: 8px 16px;
    font-size: 13px;
}

/* Alert 提示 */
.alert {
    padding: 16px 20px;
    border-radius: 12px;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    animation: slideIn 0.3s ease;
}

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

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--success);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--danger);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: var(--warning);
}

/* 表格 */
.table-container {
    overflow-x: auto;
    border-radius: 12px;
    border: 1px solid var(--border-glass);
}

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

th, td {
    padding: 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-glass);
}

th {
    background: rgba(0, 0, 0, 0.3);
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

/* 状态标签 */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.status-badge::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.status-online {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
}

.status-online::before {
    background: var(--success);
    box-shadow: 0 0 8px var(--success);
}

.status-offline {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
}

.status-offline::before {
    background: var(--danger);
}

/* Info Box */
.info-box {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
}

.info-box strong {
    color: var(--accent-cyan);
}

/* 网格布局 */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 24px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border-glass);
}

.pagination a,
.pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: 10px;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.pagination a:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border-color: var(--accent-cyan);
}

.pagination .current {
    background: var(--accent-gradient);
    border-color: transparent;
    color: var(--bg-primary);
}

.pagination .disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* Modal 对话框 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    justify-content: center;
    align-items: center;
    z-index: 1000;
    padding: 20px;
}

.modal.show {
    display: flex;
}

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-glass);
    border-radius: 20px;
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalSlide 0.3s ease;
}

@keyframes modalSlide {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(-20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

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

.modal-body {
    padding: 24px;
}

.close-btn {
    background: none;
    border: none;
    font-size: 28px;
    color: var(--text-muted);
    cursor: pointer;
    transition: color 0.3s ease;
}

.close-btn:hover {
    color: var(--text-primary);
}

/* Dashboard 组件 */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    border-radius: 16px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.15);
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
}

.stat-info h3 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 4px;
}

.stat-info p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 4px;
}

.stat-info small {
    color: var(--text-muted);
    font-size: 12px;
}

.quick-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 16px;
}

.action-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 24px 16px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: 12px;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s ease;
    cursor: pointer;
    font-family: inherit;
    font-size: inherit;
}

.action-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--accent-cyan);
    transform: translateY(-2px);
}

.action-icon {
    font-size: 32px;
}

.action-text {
    font-weight: 500;
    font-size: 14px;
}

.recent-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.recent-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: var(--bg-glass);
    border-radius: 10px;
    border: 1px solid transparent;
    transition: all 0.3s ease;
}

.recent-item:hover {
    border-color: var(--border-glass);
}

.recent-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.recent-info strong {
    font-weight: 500;
}

.recent-info small {
    color: var(--text-muted);
    font-size: 12px;
}

/* 扩展响应式规则 */
@media (max-width: 768px) {
    .nav-sections {
        display: none;
    }

    .nav-mobile {
        display: block;
    }

    .header-content {
        flex-direction: column;
        text-align: center;
    }

    .header-meta {
        text-align: center;
    }

    .grid-2 {
        grid-template-columns: 1fr;
    }

    th, td {
        padding: 12px;
    }
}