/**
 * NEXUS HUD - 公共样式文件
 * JARVIS/Cyberpunk HUD 风格设计系统
 * 
 * 开发记录：
 * - 2026-03-21: 创建公共样式文件，统一所有页面的HUD风格
 * - 提取ai_alchemy.css中的通用样式，供所有页面复用
 */

/* ==================== 设计系统变量 ==================== */
:root {
    --bg-deep: #030508;
    --bg-primary: #0a0f1a;
    --bg-panel: rgba(8, 18, 35, 0.85);
    --bg-card: rgba(10, 20, 40, 0.6);
    
    --accent-primary: #00d4ff;
    --accent-secondary: #0088aa;
    --accent-glow: rgba(0, 212, 255, 0.2);
    
    --text-primary: #e0f4ff;
    --text-secondary: #8ab4c8;
    --text-muted: #5a7a8a;
    
    --status-success: #00ff88;
    --status-warning: #ffaa00;
    --status-danger: #ff4466;
    
    --element-water: #00a8ff;
    --element-metal: #7a8fa8;
    --element-fire: #ff6b4a;
    --element-earth: #c4a35a;
    --element-wood: #00cc66;
    
    --border-subtle: 1px solid rgba(0, 212, 255, 0.25);
    --border-active: 1px solid rgba(0, 212, 255, 0.6);
    
    --glow-soft: 0 0 15px rgba(0, 212, 255, 0.2);
    --glow-medium: 0 0 25px rgba(0, 212, 255, 0.3);
    --glow-strong: 0 0 40px rgba(0, 212, 255, 0.4);
    
    --font-display: 'Orbitron', monospace;
    --font-body: 'Rajdhani', sans-serif;
    
    --transition-fast: 0.2s;
    --transition-normal: 0.3s;
    --transition-slow: 0.6s;
}

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

html, body {
    width: 100%;
    min-height: 100vh;
    overflow-x: hidden;
}

body {
    font-family: var(--font-body);
    background: var(--bg-deep);
    color: var(--text-primary);
    line-height: 1.5;
    letter-spacing: 0.5px;
}

/* ==================== HUD背景层 ==================== */
.hud-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: 
        radial-gradient(ellipse at 50% 0%, rgba(0, 136, 170, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 100%, rgba(0, 136, 170, 0.05) 0%, transparent 50%),
        var(--bg-deep);
}

.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
}

.scanline {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(
        180deg,
        transparent,
        rgba(0, 212, 255, 0.15),
        rgba(0, 212, 255, 0.3),
        rgba(0, 212, 255, 0.15),
        transparent
    );
    animation: scanline 6s linear infinite;
    pointer-events: none;
    opacity: 0.6;
}

@keyframes scanline {
    0% { top: -5%; }
    100% { top: 105%; }
}

.corner-decor {
    position: absolute;
    width: 60px;
    height: 60px;
    pointer-events: none;
}

.corner-decor::before,
.corner-decor::after {
    content: '';
    position: absolute;
    background: rgba(0, 212, 255, 0.3);
}

.corner-decor::before {
    width: 30px;
    height: 1px;
}

.corner-decor::after {
    width: 1px;
    height: 30px;
}

.corner-decor.top-left { top: 20px; left: 20px; }
.corner-decor.top-left::before { top: 0; left: 0; }
.corner-decor.top-left::after { top: 0; left: 0; }

.corner-decor.top-right { top: 20px; right: 20px; }
.corner-decor.top-right::before { top: 0; right: 0; }
.corner-decor.top-right::after { top: 0; right: 0; }

.corner-decor.bottom-left { bottom: 20px; left: 20px; }
.corner-decor.bottom-left::before { bottom: 0; left: 0; }
.corner-decor.bottom-left::after { bottom: 0; left: 0; }

.corner-decor.bottom-right { bottom: 20px; right: 20px; }
.corner-decor.bottom-right::before { bottom: 0; right: 0; }
.corner-decor.bottom-right::after { bottom: 0; right: 0; }

/* ==================== 导航栏 ==================== */
.hud-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 30px;
    background: var(--bg-panel);
    border-bottom: var(--border-subtle);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.brand-icon {
    font-family: var(--font-display);
    font-size: 1.4rem;
    color: var(--accent-primary);
    text-shadow: var(--glow-soft);
}

.brand-text {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--text-primary);
}

.nav-links {
    display: flex;
    gap: 5px;
}

.nav-link {
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-muted);
    text-decoration: none;
    padding: 10px 20px;
    border: var(--border-subtle);
    background: transparent;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.1), transparent);
    transition: left var(--transition-normal);
}

.nav-link:hover {
    color: var(--accent-primary);
    border-color: rgba(0, 212, 255, 0.5);
    background: rgba(0, 212, 255, 0.05);
}

.nav-link:hover::before {
    left: 100%;
}

.nav-link.active {
    color: var(--bg-deep);
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    box-shadow: var(--glow-medium);
}

.nav-status {
    display: flex;
    align-items: center;
    gap: 8px;
}

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--status-success);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--status-success);
    animation: pulse 2s ease-in-out infinite;
}

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

.status-text {
    font-family: var(--font-display);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--status-success);
}

/* ==================== 主内容区 ==================== */
.hud-main {
    padding: 20px 30px 40px;
    max-width: 1400px;
    margin: 0 auto;
}

.hud-header {
    text-align: center;
    padding: 30px 0 20px;
}

.main-title {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: 6px;
    color: var(--text-primary);
    text-transform: uppercase;
    margin-bottom: 8px;
}

.sub-title {
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 400;
    letter-spacing: 4px;
    color: var(--text-muted);
    text-transform: uppercase;
}

/* ==================== 面板样式 ==================== */
.hud-panel {
    background: var(--bg-panel);
    border: var(--border-subtle);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 25px 30px;
    margin-bottom: 20px;
    position: relative;
}

.hud-panel::before,
.hud-panel::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 1px solid rgba(0, 212, 255, 0.4);
    pointer-events: none;
}

.hud-panel::before {
    top: -1px;
    left: -1px;
    border-right: none;
    border-bottom: none;
}

.hud-panel::after {
    bottom: -1px;
    right: -1px;
    border-left: none;
    border-top: none;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(0, 212, 255, 0.15);
}

.panel-title {
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 3px;
    color: var(--text-primary);
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 8px;
}

.title-decor {
    color: var(--accent-primary);
    font-weight: 400;
}

/* ==================== 表格样式 ==================== */
.hud-table {
    width: 100%;
    border-collapse: collapse;
    font-family: var(--font-body);
}

.hud-table th {
    font-family: var(--font-display);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-muted);
    text-align: left;
    padding: 15px 12px;
    border-bottom: var(--border-subtle);
    background: rgba(0, 212, 255, 0.03);
}

.hud-table td {
    padding: 12px;
    border-bottom: 1px solid rgba(0, 212, 255, 0.1);
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.hud-table tbody tr {
    transition: all var(--transition-fast);
}

.hud-table tbody tr:hover {
    background: rgba(0, 212, 255, 0.05);
}

.hud-table tbody tr:hover td {
    color: var(--text-primary);
}

/* ==================== 号码球样式 ==================== */
.number-ball {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 700;
    color: #ffffff;
    margin: 2px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    background: #4a5568;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    position: relative;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.number-ball::before {
    content: '';
    position: absolute;
    top: 3px;
    left: 5px;
    width: 10px;
    height: 6px;
    background: rgba(255, 255, 255, 0.4);
    border-radius: 50%;
    transform: rotate(-30deg);
}

.number-ball::after {
    content: '';
    position: absolute;
    bottom: 3px;
    right: 5px;
    width: 6px;
    height: 4px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 50%;
    transform: rotate(30deg);
}

.number-ball.water {
    border-color: rgba(255, 255, 255, 0.4);
    background: linear-gradient(145deg, rgba(30, 136, 229, 0.65), rgba(21, 101, 192, 0.8));
    box-shadow: 0 3px 12px rgba(30, 136, 229, 0.5);
}

.number-ball.metal {
    border-color: rgba(255, 255, 255, 0.4);
    background: linear-gradient(145deg, rgba(120, 144, 156, 0.65), rgba(84, 110, 122, 0.8));
    box-shadow: 0 3px 12px rgba(120, 144, 156, 0.5);
}

.number-ball.fire {
    border-color: rgba(255, 255, 255, 0.4);
    background: linear-gradient(145deg, rgba(239, 83, 80, 0.65), rgba(198, 40, 40, 0.8));
    box-shadow: 0 3px 12px rgba(239, 83, 80, 0.5);
}

.number-ball.earth {
    border-color: rgba(255, 255, 255, 0.4);
    background: linear-gradient(145deg, rgba(255, 152, 0, 0.65), rgba(230, 81, 0, 0.8));
    box-shadow: 0 3px 12px rgba(255, 152, 0, 0.5);
}

.number-ball.wood {
    border-color: rgba(255, 255, 255, 0.4);
    background: linear-gradient(145deg, rgba(76, 175, 80, 0.65), rgba(46, 125, 50, 0.8));
    box-shadow: 0 3px 12px rgba(76, 175, 80, 0.5);
}

/* 后区号码球 - 稍小 */
.number-ball.back {
    width: 30px;
    height: 30px;
    font-size: 0.75rem;
}

.number-ball.back::before {
    top: 2px;
    left: 4px;
    width: 8px;
    height: 5px;
}

.number-ball.back::after {
    bottom: 2px;
    right: 4px;
    width: 5px;
    height: 3px;
}

/* ==================== 按钮样式 ==================== */
.hud-btn {
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 12px 25px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-normal);
    background: transparent;
    border: var(--border-subtle);
    color: var(--text-muted);
}

.hud-btn:hover {
    color: var(--accent-primary);
    border-color: rgba(0, 212, 255, 0.5);
    background: rgba(0, 212, 255, 0.05);
}

.hud-btn.primary {
    color: var(--accent-primary);
    border-color: rgba(0, 212, 255, 0.5);
}

.hud-btn.primary:hover {
    background: rgba(0, 212, 255, 0.15);
    box-shadow: var(--glow-medium);
}

.hud-btn.success {
    color: var(--status-success);
    border-color: rgba(0, 255, 136, 0.3);
}

.hud-btn.success:hover {
    background: rgba(0, 255, 136, 0.1);
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.2);
}

/* ==================== 表单控件 ==================== */
.hud-input,
.hud-select {
    font-family: var(--font-body);
    font-size: 0.9rem;
    padding: 10px 15px;
    background: var(--bg-card);
    border: var(--border-subtle);
    color: var(--text-primary);
    border-radius: 0;
    outline: none;
    transition: all var(--transition-fast);
}

.hud-input:focus,
.hud-select:focus {
    border-color: var(--accent-primary);
    box-shadow: var(--glow-soft);
}

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

.hud-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2300d4ff' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 35px;
}

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

/* ==================== 分页样式 ==================== */
.hud-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    margin-top: 20px;
}

.hud-pagination .page-btn {
    font-family: var(--font-display);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 1px;
    padding: 8px 14px;
    background: transparent;
    border: var(--border-subtle);
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.hud-pagination .page-btn:hover {
    color: var(--accent-primary);
    border-color: rgba(0, 212, 255, 0.5);
    background: rgba(0, 212, 255, 0.05);
}

.hud-pagination .page-btn.active {
    color: var(--bg-deep);
    background: var(--accent-primary);
    border-color: var(--accent-primary);
}

.hud-pagination .page-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

/* ==================== 搜索栏 ==================== */
.hud-search {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.hud-search .search-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.hud-search .search-label {
    font-family: var(--font-display);
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-muted);
}

/* ==================== 状态标签 ==================== */
.hud-badge {
    font-family: var(--font-display);
    font-size: 0.6rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 4px 10px;
    border: 1px solid rgba(0, 212, 255, 0.3);
    background: rgba(0, 212, 255, 0.05);
    color: var(--accent-primary);
}

.hud-badge.success {
    border-color: rgba(0, 255, 136, 0.3);
    background: rgba(0, 255, 136, 0.05);
    color: var(--status-success);
}

.hud-badge.warning {
    border-color: rgba(255, 170, 0, 0.3);
    background: rgba(255, 170, 0, 0.05);
    color: var(--status-warning);
}

/* ==================== 页脚 ==================== */
.hud-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    margin-top: 30px;
    border-top: var(--border-subtle);
    font-family: var(--font-display);
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 2px;
    color: var(--text-muted);
    text-transform: uppercase;
}

.footer-left {
    display: flex;
    align-items: center;
    gap: 15px;
}

.separator {
    color: rgba(0, 212, 255, 0.3);
}

.footer-right {
    color: var(--accent-primary);
}

/* ==================== 图表容器 ==================== */
.hud-chart-container {
    background: var(--bg-card);
    border: var(--border-subtle);
    padding: 20px;
    position: relative;
}

.hud-chart-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
}

/* ==================== 统计卡片 ==================== */
.hud-stat-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.hud-stat-card {
    background: var(--bg-panel);
    border: var(--border-subtle);
    padding: 20px;
    text-align: center;
    position: relative;
}

.hud-stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 50%;
    height: 2px;
    background: var(--accent-primary);
}

.hud-stat-card .stat-value {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-primary);
    text-shadow: var(--glow-soft);
}

.hud-stat-card .stat-label {
    font-family: var(--font-display);
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-top: 8px;
}

/* ==================== 工具栏 ==================== */
.hud-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.hud-toolbar-left,
.hud-toolbar-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.hud-empty .empty-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    opacity: 0.3;
}

.hud-empty .empty-text {
    font-family: var(--font-display);
    font-size: 0.8rem;
    letter-spacing: 3px;
    text-transform: uppercase;
}

/* ==================== 加载状态 ==================== */
.hud-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
}

.hud-loading .loading-spinner {
    width: 50px;
    height: 50px;
    border: 2px solid rgba(0, 212, 255, 0.2);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.hud-loading .loading-text {
    font-family: var(--font-display);
    font-size: 0.7rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-top: 15px;
}

/* ==================== 通知提示 ==================== */
.hud-notification {
    position: fixed;
    top: 80px;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    background: rgba(0, 212, 255, 0.15);
    color: var(--accent-primary);
    padding: 12px 30px;
    border: 1px solid rgba(0, 212, 255, 0.5);
    backdrop-filter: blur(10px);
    z-index: 10000;
    box-shadow: 0 0 25px rgba(0, 212, 255, 0.3);
    animation: notifyAppear 0.3s ease-out;
}

@keyframes notifyAppear {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 1200px) {
    .hud-main {
        max-width: 100%;
    }
}

@media (max-width: 900px) {
    .nav-links {
        display: none;
    }
    
    .main-title {
        font-size: 1.5rem;
        letter-spacing: 4px;
    }
    
    .hud-table th,
    .hud-table td {
        padding: 10px 8px;
        font-size: 0.85rem;
    }
}

@media (max-width: 600px) {
    .hud-main {
        padding: 15px;
    }
    
    .main-title {
        font-size: 1.2rem;
    }
    
    .sub-title {
        font-size: 0.65rem;
    }
    
    .hud-panel {
        padding: 15px;
    }
    
    .hud-toolbar {
        flex-direction: column;
        align-items: stretch;
    }
    
    .hud-footer {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
    
    .number-ball {
        width: 30px;
        height: 30px;
        font-size: 0.75rem;
    }
    
    .number-ball.back {
        width: 26px;
        height: 26px;
        font-size: 0.7rem;
    }
}