/* ========================================
   Cyberpunk / Glitch Design System v2.0
   High-Tech, Low-Life Aesthetic
   Enhanced with Terminal & Login Page Patterns
   ======================================== */

/* ========== 1. Design Tokens ========== */
:root {
    /* Colors - Dark Mode Mandatory */
    --bg-void: #0a0a0f;           /* Deep void black with blue undertone */
    --bg-deep: #050508;           /* Absolute black for footer */
    --fg-primary: #e0e0e0;        /* Primary text (not pure white) */
    --card-bg: #12121a;           /* Card background (purple-black) */
    --muted-bg: #1c1c2e;          /* UI chrome/elevated backgrounds */
    --fg-muted: #6b7280;          /* Secondary text */
    
    /* Neon Accents */
    --neon-green: #00ff88;        /* PRIMARY NEON - Matrix green */
    --neon-magenta: #ff00ff;      /* SECONDARY NEON - Hot pink */
    --neon-cyan: #00d4ff;         /* TERTIARY NEON - Electric blue */
    --neon-red: #ff3366;          /* Destructive/Danger */
    --neon-blue: #00aaff;         /* Blue accent */
    --neon-purple: #bd36ff;       /* Purple accent */
    
    /* Borders & UI */
    --border-color: #2a2a3a;      /* Subtle borders */
    --input-bg: #12121a;          /* Input background */
    --focus-ring: #00ff88;        /* Focus ring matches accent */
    
    /* Typography */
    --font-heading: "Orbitron", "Share Tech Mono", monospace;
    --font-body: "JetBrains Mono", "Fira Code", "Consolas", monospace;
    --font-label: "Share Tech Mono", monospace;
    
    /* Spacing - 8px Grid */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --space-3xl: 64px;
    
    /* Radius - Sharp cuts default */
    --radius-none: 0px;
    --radius-sm: 2px;
    --radius-base: 4px;
    
    /* Animation Timing */
    --ease-digital: cubic-bezier(0.4, 0, 0.2, 1);
    --duration-fast: 100ms;
    --duration-normal: 150ms;
    --duration-slow: 300ms;
}

/* ========== 1b. Light Theme Override ==========
   同一赛博朋克设计语言的反相版本：浅底深字、neon 调暗保证正文可读性。
   data-theme 由服务端从 cookie 注入 <html data-theme>（FOUC 安全 + 混淆中间件安全，
   不依赖请求期内联 script）。首访无 cookie 时 :root（dark）为默认；theme.js 同步系统偏好并持久化。
   保留赛博朋克语言：网格、倒角、mono 字体、柔和 glow（强度降低）。 */
[data-theme="light"] {
    --bg-void: #eef1f5;           /* 浅灰白底（替代深空黑） */
    --bg-deep: #e2e6ec;           /* 页脚/次级浅底 */
    --fg-primary: #11131a;        /* 深字（替代浅字）保证正文可读 */
    --card-bg: #ffffff;           /* 卡片白底 */
    --muted-bg: #e8ebf1;          /* chrome 浅底 */
    --fg-muted: #5a6273;          /* 次级文字 */

    /* Neon 调暗：浅底上纯 neon 刺眼，降饱和加深保证对比度与可读性 */
    --neon-green: #008844;        /* 涨绿（A 股跌=绿）/ 主色 */
    --neon-magenta: #b300b3;
    --neon-cyan: #0066a8;
    --neon-red: #d63354;          /* 跌红（A 股涨=红）/ 危险 */
    --neon-blue: #0066cc;
    --neon-purple: #7a1fb0;

    --border-color: #c9cfdb;
    --input-bg: #ffffff;
    --focus-ring: #008844;
}

/* 浅色主题下：scanline/网格/glow 强度调低，避免浅底上噪点过重 */
[data-theme="light"] body::after { opacity: 0.25; }
[data-theme="light"] .cyber-grid-bg { opacity: 0.4; }
[data-theme="light"] .cyber-gradient-mesh { opacity: 0.35; }

/* ========== 2. Reset & Base ========== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-void);
    color: var(--fg-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
    letter-spacing: 0.02em;
}

/* ========== 3. Background Effects ========== */

/* Scanline Overlay - CRITICAL */
body::after {
    content: '';
    position: fixed;
    inset: 0;
    z-index: 9999;
    pointer-events: none;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 0, 0, 0.15) 2px,
        rgba(0, 0, 0, 0.15) 4px
    );
    opacity: 0.3;
}

/* Circuit/Grid Pattern */
.cyber-grid-bg {
    position: fixed;
    inset: 0;
    z-index: -2;
    background-image:
        linear-gradient(rgba(0, 255, 136, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 136, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
}

/* Gradient Mesh */
.cyber-gradient-mesh {
    position: fixed;
    inset: 0;
    z-index: -1;
    background: 
        radial-gradient(circle at 20% 30%, rgba(0, 255, 136, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255, 0, 255, 0.06) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(0, 212, 255, 0.05) 0%, transparent 60%);
    pointer-events: none;
}

/* ========== Enhanced Glow Effects ========== */

/* Text Glow Utilities */
.glow-green {
    text-shadow: 0 0 5px rgba(0, 255, 136, 0.5), 
                 0 0 10px rgba(0, 255, 136, 0.3),
                 0 0 20px rgba(0, 255, 136, 0.2);
}

.glow-red {
    text-shadow: 0 0 5px rgba(255, 51, 102, 0.5), 
                 0 0 10px rgba(255, 51, 102, 0.3),
                 0 0 20px rgba(255, 51, 102, 0.2);
}

.glow-blue {
    text-shadow: 0 0 5px rgba(0, 170, 255, 0.5), 
                 0 0 10px rgba(0, 170, 255, 0.3),
                 0 0 20px rgba(0, 170, 255, 0.2);
}

.glow-cyan {
    text-shadow: 0 0 5px rgba(0, 212, 255, 0.5), 
                 0 0 10px rgba(0, 212, 255, 0.3),
                 0 0 20px rgba(0, 212, 255, 0.2);
}

.glow-magenta {
    text-shadow: 0 0 5px rgba(255, 0, 255, 0.5), 
                 0 0 10px rgba(255, 0, 255, 0.3),
                 0 0 20px rgba(255, 0, 255, 0.2);
}

/* ========== Spotlight Effect ========== */

.spotlight-container {
    position: relative;
    overflow: hidden;
}

.spotlight-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(
        circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
        rgba(0, 255, 136, 0.15) 0%,
        transparent 50%
    );
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1;
}

.spotlight-container:hover .spotlight-overlay {
    opacity: 1;
}

/* ========== Hero Title Animation ========== */

.hero-title-animated {
    font-family: var(--font-heading);
    font-size: clamp(3rem, 7vw, 5.5rem);
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    line-height: 1.1;
    margin-bottom: var(--space-md);
    color: var(--fg-primary);
    position: relative;
    display: inline-block;
    animation: title-glow 3s ease-in-out infinite;
}

@keyframes title-glow {
    0%, 100% {
        text-shadow: 
            0 0 10px rgba(0, 255, 136, 0.5),
            0 0 20px rgba(0, 255, 136, 0.3),
            0 0 40px rgba(0, 255, 136, 0.2);
    }
    50% {
        text-shadow: 
            0 0 20px rgba(0, 255, 136, 0.8),
            0 0 40px rgba(0, 255, 136, 0.5),
            0 0 60px rgba(0, 255, 136, 0.3),
            0 0 80px rgba(0, 255, 136, 0.2);
    }
}

/* Glitch Effect */
.glitch-text {
    position: relative;
    animation: glitch-skew 4s infinite linear alternate-reverse;
}

.glitch-text::before,
.glitch-text::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.glitch-text::before {
    left: 2px;
    text-shadow: -2px 0 #ff00ff;
    clip: rect(44px, 450px, 56px, 0);
    animation: glitch-anim 5s infinite linear alternate-reverse;
}

.glitch-text::after {
    left: -2px;
    text-shadow: -2px 0 #00d4ff;
    clip: rect(44px, 450px, 56px, 0);
    animation: glitch-anim2 5s infinite linear alternate-reverse;
}

@keyframes glitch-anim {
    0% { clip: rect(30px, 9999px, 10px, 0); }
    20% { clip: rect(80px, 9999px, 90px, 0); }
    40% { clip: rect(10px, 9999px, 50px, 0); }
    60% { clip: rect(60px, 9999px, 20px, 0); }
    80% { clip: rect(40px, 9999px, 70px, 0); }
    100% { clip: rect(90px, 9999px, 30px, 0); }
}

@keyframes glitch-anim2 {
    0% { clip: rect(60px, 9999px, 40px, 0); }
    20% { clip: rect(10px, 9999px, 80px, 0); }
    40% { clip: rect(90px, 9999px, 20px, 0); }
    60% { clip: rect(30px, 9999px, 60px, 0); }
    80% { clip: rect(70px, 9999px, 10px, 0); }
    100% { clip: rect(20px, 9999px, 90px, 0); }
}

@keyframes glitch-skew {
    0% { transform: skew(0deg); }
    10% { transform: skew(-2deg); }
    20% { transform: skew(2deg); }
    30% { transform: skew(0deg); }
    100% { transform: skew(0deg); }
}

/* Blink Cursor Animation */
@keyframes blink-cursor {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.blink-cursor {
    display: inline-block;
    width: 8px;
    height: 1em;
    background: var(--neon-green);
    vertical-align: middle;
    animation: blink-cursor 1.2s step-end infinite;
    margin-left: 4px;
    box-shadow: 0 0 10px var(--neon-green);
}

/* Floating Orbs Animation */
@keyframes float-orb {
    0%, 100% { transform: translateY(0) translateX(0); }
    25% { transform: translateY(-20px) translateX(10px); }
    50% { transform: translateY(-10px) translateX(-10px); }
    75% { transform: translateY(-30px) translateX(5px); }
}

.floating-orb {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--neon-green);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--neon-green),
                0 0 20px var(--neon-green);
    animation: float-orb 8s ease-in-out infinite;
    pointer-events: none;
}

/* ========== 4. Typography ========== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 700;
    line-height: 1.1;
}

h1 {
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 900;
    letter-spacing: 0.15em;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    letter-spacing: 0.12em;
}

h3 {
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
    letter-spacing: 0.1em;
}

p, span, div {
    font-size: 0.95rem;
    letter-spacing: 0.05em;
}

.code-text, .terminal-text {
    font-family: var(--font-body);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

/* ========== 5. Neon Glow Effects ========== */

.neon-text-green {
    color: var(--neon-green);
    text-shadow: 
        0 0 5px var(--neon-green),
        0 0 10px var(--neon-green),
        0 0 20px rgba(0, 255, 136, 0.5);
}

.neon-text-magenta {
    color: var(--neon-magenta);
    text-shadow: 
        0 0 5px var(--neon-magenta),
        0 0 10px var(--neon-magenta),
        0 0 20px rgba(255, 0, 255, 0.5);
}

.neon-text-cyan {
    color: var(--neon-cyan);
    text-shadow: 
        0 0 5px var(--neon-cyan),
        0 0 10px var(--neon-cyan),
        0 0 20px rgba(0, 212, 255, 0.5);
}

.neon-border-green {
    border: 1px solid var(--neon-green);
    box-shadow: 
        0 0 5px var(--neon-green),
        0 0 10px rgba(0, 255, 136, 0.3),
        inset 0 0 5px rgba(0, 255, 136, 0.1);
}

.neon-border-magenta {
    border: 1px solid var(--neon-magenta);
    box-shadow: 
        0 0 5px var(--neon-magenta),
        0 0 10px rgba(255, 0, 255, 0.3),
        inset 0 0 5px rgba(255, 0, 255, 0.1);
}

.neon-border-cyan {
    border: 1px solid var(--neon-cyan);
    box-shadow: 
        0 0 5px var(--neon-cyan),
        0 0 10px rgba(0, 212, 255, 0.3),
        inset 0 0 5px rgba(0, 212, 255, 0.1);
}

/* ========== 6. Chamfered Corners ========== */

.cyber-chamfer {
    clip-path: polygon(
        0 10px, 10px 0,
        calc(100% - 10px) 0, 100% 10px,
        100% calc(100% - 10px), calc(100% - 10px) 100%,
        10px 100%, 0 calc(100% - 10px)
    );
}

.cyber-chamfer-sm {
    clip-path: polygon(
        0 6px, 6px 0,
        calc(100% - 6px) 0, 100% 6px,
        100% calc(100% - 6px), calc(100% - 6px) 100%,
        6px 100%, 0 calc(100% - 6px)
    );
}

/* ========== 7. Glitch Effects ========== */

.cyber-glitch {
    position: relative;
    animation: glitch-skew 3s infinite linear alternate-reverse;
}

.cyber-glitch::before,
.cyber-glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.cyber-glitch::before {
    left: 2px;
    text-shadow: -2px 0 var(--neon-magenta);
    clip: rect(44px, 450px, 56px, 0);
    animation: glitch-anim-b 5s infinite linear alternate-reverse;
}

.cyber-glitch::after {
    left: -2px;
    text-shadow: -2px 0 var(--neon-cyan);
    clip: rect(44px, 450px, 56px, 0);
    animation: glitch-anim2-b 5s infinite linear alternate-reverse;
}

/* 独立命名：避免覆盖 §3 .glitch-text 用的 glitch-anim/anim2（CSS 后定义会全局覆盖前者） */
@keyframes glitch-anim-b {
    0% { clip: rect(12px, 9999px, 52px, 0); }
    20% { clip: rect(65px, 9999px, 11px, 0); }
    40% { clip: rect(26px, 9999px, 89px, 0); }
    60% { clip: rect(78px, 9999px, 14px, 0); }
    80% { clip: rect(33px, 9999px, 66px, 0); }
    100% { clip: rect(55px, 9999px, 99px, 0); }
}

@keyframes glitch-anim2-b {
    0% { clip: rect(65px, 9999px, 99px, 0); }
    20% { clip: rect(12px, 9999px, 52px, 0); }
    40% { clip: rect(78px, 9999px, 14px, 0); }
    60% { clip: rect(26px, 9999px, 89px, 0); }
    80% { clip: rect(55px, 9999px, 99px, 0); }
    100% { clip: rect(33px, 9999px, 66px, 0); }
}

@keyframes glitch-skew {
    0% { transform: skew(0deg); }
    20% { transform: skew(-2deg); }
    40% { transform: skew(2deg); }
    60% { transform: skew(-1deg); }
    80% { transform: skew(1deg); }
    100% { transform: skew(0deg); }
}

/* ========== 8. Blinking Cursor ========== */

.blink-cursor::after {
    content: '█';
    animation: blink 1s step-end infinite;
    color: var(--neon-green);
    margin-left: 2px;
}

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

/* ========== 9. Buttons ========== */

.cyber-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    border: 2px solid var(--neon-green);
    background: transparent;
    color: var(--neon-green);
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-digital);
    position: relative;
    overflow: hidden;
}

.cyber-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--neon-green);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--duration-normal) var(--ease-digital);
    z-index: -1;
}

.cyber-btn:hover::before {
    transform: scaleX(1);
    transform-origin: left;
}

.cyber-btn:hover {
    color: var(--bg-void);
    box-shadow: 
        0 0 10px var(--neon-green),
        0 0 20px rgba(0, 255, 136, 0.5),
        0 0 40px rgba(0, 255, 136, 0.3);
}

.cyber-btn-secondary {
    border-color: var(--neon-magenta);
    color: var(--neon-magenta);
}

.cyber-btn-secondary::before {
    background: var(--neon-magenta);
}

.cyber-btn-secondary:hover {
    box-shadow: 
        0 0 10px var(--neon-magenta),
        0 0 20px rgba(255, 0, 255, 0.5),
        0 0 40px rgba(255, 0, 255, 0.3);
}

.cyber-btn-ghost {
    border: none;
    background: transparent;
    color: var(--fg-muted);
}

.cyber-btn-ghost:hover {
    color: var(--neon-green);
    background: rgba(0, 255, 136, 0.1);
}

/* ========== 10. Cards/Containers ========== */

.cyber-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: var(--space-xl);
    transition: all var(--duration-normal) var(--ease-digital);
    position: relative;
}

.cyber-card:hover {
    border-color: var(--neon-green);
    box-shadow: 
        0 0 10px rgba(0, 255, 136, 0.2),
        0 0 20px rgba(0, 255, 136, 0.1);
    transform: translateY(-2px);
}

.cyber-card-terminal {
    background: var(--bg-void);
    border: 1px solid var(--border-color);
    position: relative;
}

.cyber-card-terminal::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 30px;
    background: var(--muted-bg);
    border-bottom: 1px solid var(--border-color);
}

.cyber-card-terminal .terminal-header {
    position: absolute;
    top: 8px;
    left: 12px;
    display: flex;
    gap: 6px;
}

.cyber-card-terminal .traffic-light {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.cyber-card-terminal .traffic-light.red { background: #ff5f56; }
.cyber-card-terminal .traffic-light.yellow { background: #ffbd2e; }
.cyber-card-terminal .traffic-light.green { background: #27c93f; }

.cyber-card-terminal .terminal-content {
    padding-top: 40px;
}

/* ========== 11. Inputs ========== */

.cyber-input-wrapper {
    position: relative;
}

.cyber-input-wrapper::before {
    content: '>';
    position: absolute;
    left: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--neon-green);
    font-family: var(--font-body);
    font-weight: bold;
    z-index: 1;
}

.cyber-input {
    width: 100%;
    padding: var(--space-md) var(--space-md) var(--space-md) calc(var(--space-md) * 3);
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    color: var(--neon-green);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: all var(--duration-fast) var(--ease-digital);
}

.cyber-input:focus {
    outline: none;
    border-color: var(--neon-green);
    box-shadow: 
        0 0 5px var(--neon-green),
        0 0 10px rgba(0, 255, 136, 0.3);
}

.cyber-input::placeholder {
    color: var(--fg-muted);
    opacity: 0.5;
}

/* ========== 12. Links ========== */

a {
    color: var(--neon-green);
    text-decoration: none;
    transition: all var(--duration-fast) var(--ease-digital);
    position: relative;
}

a:hover {
    text-shadow: 0 0 8px var(--neon-green);
}

a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--neon-green);
    transition: width var(--duration-normal) var(--ease-digital);
}

a:hover::after {
    width: 100%;
}

/* ========== 13. Layout Utilities ========== */

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-2xl) var(--space-lg);
    position: relative;
    z-index: 1;
}

.section {
    padding: var(--space-3xl) 0;
    position: relative;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
}

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

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

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

/* ========== 14. Responsive ========== */

@media (max-width: 768px) {
    :root {
        --space-2xl: 32px;
        --space-3xl: 48px;
    }
    
    h1 {
        font-size: 2.5rem;
        letter-spacing: 0.1em;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    .container {
        padding: var(--space-lg) var(--space-md);
    }
    
    .grid-2, .grid-3 {
        grid-template-columns: 1fr;
    }
}

/* ========== 15. Accessibility ========== */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .cyber-glitch::before,
    .cyber-glitch::after {
        display: none;
    }
}

:focus-visible {
    outline: 2px solid var(--neon-green);
    outline-offset: 2px;
    box-shadow: 0 0 10px var(--neon-green);
}

/* ========== 16. Utility Classes ========== */

.uppercase { text-transform: uppercase; }
.tracking-wide { letter-spacing: 0.1em; }
.tracking-wider { letter-spacing: 0.15em; }
.font-mono { font-family: var(--font-body); }
.font-heading { font-family: var(--font-heading); }

.text-green { color: var(--neon-green); }
.text-magenta { color: var(--neon-magenta); }
.text-cyan { color: var(--neon-cyan); }
.text-muted { color: var(--fg-muted); }

.border-green { border-color: var(--neon-green); }
.border-magenta { border-color: var(--neon-magenta); }
.border-cyan { border-color: var(--neon-cyan); }

.bg-card { background: var(--card-bg); }
.bg-muted { background: var(--muted-bg); }
.bg-void { background: var(--bg-void); }

.p-xs { padding: var(--space-xs); }
.p-sm { padding: var(--space-sm); }
.p-md { padding: var(--space-md); }
.p-lg { padding: var(--space-lg); }
.p-xl { padding: var(--space-xl); }

.m-xs { margin: var(--space-xs); }
.m-sm { margin: var(--space-sm); }
.m-md { margin: var(--space-md); }
.m-lg { margin: var(--space-lg); }
.m-xl { margin: var(--space-xl); }

/* ========== 17. Additional Utility Classes for JS Runner ========== */

.text-neon-green { color: var(--neon-green); }
.text-neon-cyan { color: var(--neon-cyan); }
.text-neon-magenta { color: var(--neon-magenta); }

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }

.flex-wrap { flex-wrap: wrap; }

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
    color: var(--neon-cyan);
}

.hero-subtitle {
    font-family: var(--font-body);
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--neon-green);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    margin-bottom: var(--space-lg);
}

.terminal-line {
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--fg-muted);
    margin-top: var(--space-sm);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
    margin: var(--space-3xl) 0;
}

.cta-section {
    text-align: center;
    margin: var(--space-3xl) 0;
}

/* ========== JS Runner Debug & Register Page Styles ========== */

.code-editor {
    width: 100%;
    min-height: 300px;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: var(--space-md);
    color: var(--fg-primary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    resize: vertical;
}

.code-editor:focus {
    outline: none;
    border-color: var(--neon-cyan);
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
}

.code-editor-small {
    min-height: 100px;
}

.result-display {
    width: 100%;
    min-height: 300px;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: var(--space-md);
    color: var(--fg-primary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    overflow: auto;
    white-space: pre-wrap;
}

.form-group {
    margin-bottom: var(--space-md);
}

.form-label {
    display: block;
    margin-bottom: var(--space-xs);
    color: var(--neon-cyan);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
}

.status-badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-sm);
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
}

.status-success {
    background: rgba(39, 201, 63, 0.2);
    color: #27c93f;
    border: 1px solid #27c93f;
}

.status-error {
    background: rgba(255, 95, 86, 0.2);
    color: #ff5f56;
    border: 1px solid #ff5f56;
}

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

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

.w-full {
    width: 100%;
}

.text-sm {
    font-size: 0.85rem;
}

.text-lg {
    font-size: 1.5rem;
}

.font-bold {
    font-weight: 600;
}

.border-bottom {
    border-bottom: 1px solid var(--border-color);
}

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

.pb-sm {
    padding-bottom: var(--space-sm);
}

.pt-md {
    padding-top: var(--space-md);
}

.mt-md {
    margin-top: var(--space-md);
}

.mb-md {
    margin-bottom: var(--space-md);
}

.mb-lg {
    margin-bottom: var(--space-lg);
}

.mb-2xl {
    margin-bottom: var(--space-2xl);
}

.api-key-display {
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid var(--neon-green);
    border-radius: 4px;
    padding: var(--space-md);
    font-family: 'JetBrains Mono', monospace;
    color: var(--neon-green);
    word-break: break-all;
    margin-top: var(--space-md);
}

.mt-lg {
    margin-top: var(--space-lg);
}

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

.alert {
    border-radius: 4px;
}

/* ========== JS Runner Admin Styles ========== */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-3xl);
}

.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: var(--space-xl);
    clip-path: polygon(
        0 10px, 10px 0,
        calc(100% - 10px) 0, 100% 10px,
        100% calc(100% - 10px), calc(100% - 10px) 100%,
        10px 100%, 0 calc(100% - 10px)
    );
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.3);
    border-color: var(--neon-cyan);
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--neon-cyan);
    margin: var(--space-sm) 0;
    font-family: var(--font-heading);
}

.stat-label {
    opacity: 0.7;
    font-size: 0.9rem;
    color: var(--fg-muted);
}

.menu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
}

.menu-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: var(--space-2xl);
    text-decoration: none;
    color: var(--fg-primary);
    transition: all 0.3s ease;
    display: block;
    clip-path: polygon(
        0 10px, 10px 0,
        calc(100% - 10px) 0, 100% 10px,
        100% calc(100% - 10px), calc(100% - 10px) 100%,
        10px 100%, 0 calc(100% - 10px)
    );
}

.menu-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.4);
    border-color: var(--neon-cyan);
}

.menu-icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
    color: var(--neon-cyan);
}

.menu-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--neon-green);
}

.menu-desc {
    opacity: 0.7;
    font-size: 0.9rem;
    color: var(--fg-muted);
}

.my-3xl {
    margin-top: var(--space-3xl);
    margin-bottom: var(--space-3xl);
}

.mb-3xl {
    margin-bottom: var(--space-3xl);
}

/* ========== Table Styles ========== */

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

.cyber-table thead th {
    background: var(--muted-bg);
    color: var(--neon-cyan);
    font-family: var(--font-heading);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--space-md) var(--space-lg);
    text-align: left;
    border-bottom: 2px solid var(--border-color);
}

.cyber-table tbody td {
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--border-color);
    color: var(--fg-primary);
    vertical-align: middle;
}

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

.cyber-btn-danger {
    border-color: #ff5f56;
    color: #ff5f56;
}

.cyber-btn-danger::before {
    background: #ff5f56;
}

.cyber-btn-danger:hover {
    box-shadow: 
        0 0 10px #ff5f56,
        0 0 20px rgba(255, 95, 86, 0.5),
        0 0 40px rgba(255, 95, 86, 0.3);
}

.cyber-btn-success {
    border-color: #27c93f;
    color: #27c93f;
}

.cyber-btn-success::before {
    background: #27c93f;
}

.cyber-btn-success:hover {
    box-shadow: 
        0 0 10px #27c93f,
        0 0 20px rgba(39, 201, 63, 0.5),
        0 0 40px rgba(39, 201, 63, 0.3);
}

.pagination {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    margin-top: var(--space-xl);
}

.api-key-display {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    color: var(--fg-muted);
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.status-active {
    background: rgba(39, 201, 63, 0.2);
    color: #27c93f;
    border: 1px solid #27c93f;
}

.status-inactive {
    background: rgba(255, 95, 86, 0.2);
    color: #ff5f56;
    border: 1px solid #ff5f56;
}

.table-container {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: var(--space-xl);
    overflow-x: auto;
    clip-path: polygon(
        0 10px, 10px 0,
        calc(100% - 10px) 0, 100% 10px,
        100% calc(100% - 10px), calc(100% - 10px) 100%,
        10px 100%, 0 calc(100% - 10px)
    );
}

.api-key-large {
    font-size: 1.1rem;
    font-weight: 600;
}

.status-used {
    background: rgba(39, 201, 63, 0.2);
    color: #27c93f;
    border: 1px solid #27c93f;
}

.status-unused {
    background: rgba(255, 189, 46, 0.2);
    color: #ffbd2e;
    border: 1px solid #ffbd2e;
}

/* ========== Enhanced Terminal Card Design ========== */

.terminal-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    clip-path: polygon(
        0 10px, 10px 0,
        calc(100% - 10px) 0, 100% 10px,
        100% calc(100% - 10px), calc(100% - 10px) 100%,
        10px 100%, 0 calc(100% - 10px)
    );
    position: relative;
    overflow: hidden;
    transition: all var(--duration-slow) var(--ease-digital);
}

.terminal-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent, 
        var(--neon-green), 
        transparent
    );
    opacity: 0;
    transition: opacity var(--duration-normal) var(--ease-digital);
}

.terminal-card:hover::before {
    opacity: 1;
}

.terminal-card:hover {
    border-color: var(--neon-green);
    box-shadow: 
        0 0 20px rgba(0, 255, 136, 0.2),
        0 0 40px rgba(0, 255, 136, 0.1);
    transform: translateY(-2px);
}

.terminal-header {
    height: 36px;
    background: var(--muted-bg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    padding: 0 var(--space-md);
    gap: var(--space-sm);
}

.terminal-header .traffic-light {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
}

.terminal-header .traffic-light.red { 
    background: #ff5f56; 
    box-shadow: 0 0 5px #ff5f56;
}
.terminal-header .traffic-light.yellow { 
    background: #ffbd2e; 
    box-shadow: 0 0 5px #ffbd2e;
}
.terminal-header .traffic-light.green { 
    background: #27c93f; 
    box-shadow: 0 0 5px #27c93f;
}

.terminal-title-text {
    margin-left: var(--space-md);
    font-family: var(--font-heading);
    font-size: 0.85rem;
    color: var(--fg-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.terminal-content {
    padding: var(--space-xl);
}

/* Hero Terminal Enhancement */
.hero-terminal {
    max-width: 900px;
    margin: 0 auto var(--space-3xl);
}

.hero-terminal .terminal-content {
    padding: var(--space-3xl) var(--space-xl);
}

/* CTA Terminal Enhancement */
.cta-terminal {
    max-width: 700px;
    margin: 0 auto;
}

/* Feature Card Enhancement */
.feature-card-enhanced {
    text-align: center;
    transition: all var(--duration-slow) var(--ease-digital);
}

.feature-card-enhanced:hover {
    transform: translateY(-8px);
    box-shadow: 
        0 0 30px rgba(0, 212, 255, 0.3),
        0 0 60px rgba(0, 212, 255, 0.15);
}

.feature-icon {
    font-size: 3.5rem;
    margin-bottom: var(--space-lg);
    transition: all var(--duration-slow) var(--ease-digital);
}

.feature-card-enhanced:hover .feature-icon {
    transform: scale(1.1);
}

/* Button Large Variant */
.btn-large {
    padding: var(--space-md) var(--space-2xl);
    font-size: 1rem;
}

/* Padding Utilities */
.p-3xl {
    padding: var(--space-3xl);
}

.pt-3xl {
    padding-top: var(--space-3xl);
}

.pb-3xl {
    padding-bottom: var(--space-3xl);
}

.pl-3xl {
    padding-left: var(--space-3xl);
}

.pr-3xl {
    padding-right: var(--space-3xl);
}

.px-3xl {
    padding-left: var(--space-3xl);
    padding-right: var(--space-3xl);
}

.py-3xl {
    padding-top: var(--space-3xl);
    padding-bottom: var(--space-3xl);
}

/* ========== Grid Layouts ========== */

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

@media (max-width: 768px) {
    .grid-2 {
        grid-template-columns: 1fr;
    }
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

@media (max-width: 768px) {
    .grid-3 {
        grid-template-columns: 1fr;
    }
}

/* ========== Result Display ========== */

.result-display {
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: var(--space-md);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    min-height: 200px;
    max-height: 400px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-break: break-word;
    line-height: 1.6;
}

.code-editor-small {
    min-height: 100px;
    font-size: 0.85rem;
}

/* ========== Border Utilities ========== */

.border-bottom {
    border-bottom: 1px solid var(--border-color);
}

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

.text-sm {
    font-size: 0.85rem;
}

.text-xs {
    font-size: 0.75rem;
}

.tracking-wider {
    letter-spacing: 0.1em;
}

/* ========== Login Container ========== */

.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: var(--space-xl);
}

.terminal-login {
    width: 100%;
    max-width: 480px;
}

/* ========== Alert Components ========== */

.alert {
    padding: var(--space-md);
    border-radius: 4px;
    border: 1px solid;
    margin-bottom: var(--space-md);
}

.alert-success {
    background: rgba(39, 201, 63, 0.1);
    border-color: #27c93f;
    color: #27c93f;
}

.alert-error {
    background: rgba(255, 95, 86, 0.1);
    border-color: #ff5f56;
    color: #ff5f56;
}

/* ========== Hover Effects ========== */

.hover-neon-cyan:hover {
    color: var(--neon-cyan);
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

.hover-neon-green:hover {
    color: var(--neon-green);
    text-shadow: 0 0 10px rgba(0, 255, 136, 0.5);
}

/* ========== Enhanced Stats Cards ========== */

.stat-card-enhanced {
    text-align: center;
    padding: var(--space-2xl) var(--space-xl);
    transition: all var(--duration-slow) var(--ease-digital);
}

.stat-card-enhanced:hover {
    transform: translateY(-8px);
    box-shadow: 
        0 0 30px rgba(0, 212, 255, 0.3),
        0 0 60px rgba(0, 212, 255, 0.15);
}

.stat-icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
}

.stat-value {
    font-size: 3rem;
    font-weight: 900;
    font-family: var(--font-heading);
    margin-bottom: var(--space-sm);
    line-height: 1;
}

.stat-label {
    opacity: 0.7;
    font-size: 0.85rem;
    color: var(--fg-muted);
    margin-bottom: var(--space-xs);
}

.stat-sublabel {
    font-size: 0.8rem;
    color: var(--fg-muted);
}

.mt-sm {
    margin-top: var(--space-sm);
}

/* ========== Enhanced Menu Cards ========== */

.menu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
}

.menu-card-enhanced {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: var(--space-2xl);
    text-decoration: none;
    color: var(--fg-primary);
    transition: all var(--duration-slow) var(--ease-digital);
    display: block;
    clip-path: polygon(
        0 10px, 10px 0,
        calc(100% - 10px) 0, 100% 10px,
        100% calc(100% - 10px), calc(100% - 10px) 100%,
        10px 100%, 0 calc(100% - 10px)
    );
    text-align: center;
}

.menu-card-enhanced:hover {
    transform: translateY(-8px);
    border-color: var(--neon-cyan);
    box-shadow: 
        0 0 30px rgba(0, 212, 255, 0.4),
        0 0 60px rgba(0, 212, 255, 0.2);
}

.menu-card-enhanced .menu-icon {
    font-size: 3.5rem;
    margin-bottom: var(--space-lg);
    transition: all var(--duration-slow) var(--ease-digital);
}

.menu-card-enhanced:hover .menu-icon {
    transform: scale(1.15);
}

.menu-title {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: var(--font-heading);
    margin-bottom: var(--space-sm);
}

.menu-desc {
    opacity: 0.7;
    font-size: 0.9rem;
    color: var(--fg-muted);
}

/* ========== Navigation Bar (Hidden by default) ========== */
/* JS Runner子项目不再使用独立导航栏，完全继承主项目风格 */

/* ========== Inline Navigation Links ========== */
.nav-link-inline {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-sm);
    color: var(--fg-muted);
    text-decoration: none;
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 500;
    transition: all var(--duration-fast) var(--ease-digital);
    border-radius: 4px;
}

.nav-link-inline:hover {
    color: var(--neon-green);
    background: rgba(0, 255, 136, 0.1);
}

.nav-link-inline i {
    font-size: 0.8rem;
}

.mx-sm {
    margin-left: var(--space-sm);
    margin-right: var(--space-sm);
}

/* ============================================================
   18. Component Library (赛博朋克组件库 — 落地版)
   全部令牌对齐 (:root)，命名 cyber-* 前缀，z-index ≥10000 在扫描线(9999)之上。
   含轻量组件 + 重型装饰件(火把checkbox/像素屏checkbox/票根card)。
   重型件慎密集并排；完整故障按钮用 .cyber-btn--glitch(配 data-text)。
   ========================================================== */

/* ---------- 18.1 Buttons (统一收敛家族，覆盖 §9 旧定义) ---------- */
/* 基于 01-button snippet 的 clip-path 切角 + 故障扫光，做成通用按钮。 */

.cyber-btn {
    --_btn-accent: var(--neon-green);
    --_btn-accent-soft: rgba(0, 255, 136, 0.5);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    line-height: 1;
    border: 2px solid var(--_btn-accent);
    background: transparent;
    color: var(--_btn-accent);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    text-decoration: none;
    user-select: none;
    clip-path: polygon(
        0 6px, 6px 0,
        calc(100% - 6px) 0, 100% 6px,
        100% calc(100% - 6px), calc(100% - 6px) 100%,
        6px 100%, 0 calc(100% - 6px)
    );
    transition: color var(--duration-normal) var(--ease-digital),
                box-shadow var(--duration-normal) var(--ease-digital),
                transform var(--duration-fast) var(--ease-digital);
}

/* scaleX 填充扫光 */
.cyber-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--_btn-accent);
    transform: scaleX(0);
    transform-origin: right center;
    transition: transform var(--duration-normal) var(--ease-digital);
    z-index: -1;
}

.cyber-btn:hover::before { transform: scaleX(1); transform-origin: left center; }

.cyber-btn:hover,
.cyber-btn:focus-visible {
    color: var(--bg-void);
    box-shadow: 0 0 10px var(--_btn-accent), 0 0 20px var(--_btn-accent-soft);
    outline: none;
}

.cyber-btn:active { transform: translateY(1px); }

.cyber-btn:disabled,
.cyber-btn.is-disabled {
    opacity: 0.45;
    cursor: not-allowed;
    pointer-events: none;
}

/* ---------- 大按钮故障艺术变体（完整 01 风格，多边形切角 + glitch 错位层） ---------- */
/* 用法：.cyber-btn--glitch，需配 data-text 属性。仅用于大 CTA/主操作，勿用于密集表格小按钮。 */
.cyber-btn--glitch {
    --_clip: polygon(11% 0, 95% 0, 100% 25%, 90% 90%, 95% 90%, 85% 90%, 85% 100%, 7% 100%, 0 80%);
    --_border: 5px;
    --_shimmy: 5;
    clip-path: var(--_clip);
    border-width: 2px;
    letter-spacing: 0.18em;
}
/* 故障文字层 */
.cyber-btn--glitch::after {
    content: attr(data-text);
    position: absolute;
    top: calc(var(--_border) * -1);
    left: calc(var(--_border) * -1);
    right: calc(var(--_border) * -1);
    bottom: calc(var(--_border) * -1);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--_btn-accent-soft);
    text-shadow: 2px 2px var(--_btn-accent), -2px -2px var(--neon-magenta);
    clip-path: var(--_clip);
    color: var(--bg-void);
    opacity: 0;
    pointer-events: none;
}
.cyber-btn--glitch:hover::after,
.cyber-btn--glitch:focus-visible::after {
    opacity: 1;
    animation: btn-glitch 0.5s steps(2) infinite;
}

@keyframes btn-glitch {
    0%   { clip-path: inset(0 0 85% 0); transform: translate(-2px, 0); }
    25%  { clip-path: inset(40% 0 40% 0); transform: translate(2px, 0); }
    50%  { clip-path: inset(80% 0 5% 0); transform: translate(-1px, 0); }
    75%  { clip-path: inset(20% 0 60% 0); transform: translate(1px, 0); }
    100% { clip-path: inset(0 0 0 0); transform: translate(0, 0); }
}

/* 变体 —— 颜色 */
.cyber-btn--secondary {
    --_btn-accent: var(--neon-magenta);
    --_btn-accent-soft: rgba(255, 0, 255, 0.5);
}
.cyber-btn--danger {
    --_btn-accent: var(--neon-red);
    --_btn-accent-soft: rgba(255, 51, 102, 0.5);
}
.cyber-btn--ghost {
    --_btn-accent: var(--fg-muted);
    --_btn-accent-soft: rgba(107, 114, 128, 0.35);
    border-color: transparent;
    background: rgba(255, 255, 255, 0.02);
}
.cyber-btn--ghost:hover { --_btn-accent: var(--neon-green); --_btn-accent-soft: rgba(0,255,136,0.4); }
/* success 实心（唯一填充按钮） */
.cyber-btn--success {
    --_btn-accent: var(--neon-green);
    --_btn-accent-soft: rgba(0, 255, 136, 0.5);
    background: var(--neon-green);
    color: var(--bg-void);
}
.cyber-btn--success::before { background: var(--bg-void); }
.cyber-btn--success:hover { color: var(--neon-green); }

/* 变体 —— 尺寸/形状 */
.cyber-btn--sm { padding: var(--space-xs) var(--space-md); font-size: 0.74rem; letter-spacing: 0.08em; }
.cyber-btn--lg { padding: var(--space-lg) var(--space-xl); font-size: 1rem; }
.cyber-btn--block { display: flex; width: 100%; }
.cyber-btn--icon {
    padding: var(--space-sm);
    width: 2.4rem;
    height: 2.4rem;
    aspect-ratio: 1;
    clip-path: polygon(0 4px, 4px 0, calc(100% - 4px) 0, 100% 4px, 100% calc(100% - 4px), calc(100% - 4px) 100%, 4px 100%, 0 calc(100% - 4px));
}

/* radio 组变体（基于 01 .radio-wrapper，:checked 选中态） */
.cyber-btn-group { display: inline-flex; flex-wrap: wrap; gap: var(--space-xs); }
.cyber-btn-group .cyber-radio-input {
    position: absolute; width: 1px; height: 1px; opacity: 0; overflow: hidden; clip: rect(0 0 0 0);
}
.cyber-btn-group .cyber-radio-input:checked + .cyber-btn {
    --_btn-accent: var(--neon-purple);
    --_btn-accent-soft: rgba(189, 54, 255, 0.5);
    color: var(--neon-purple);
    border-color: var(--neon-purple);
    box-shadow: 0 0 12px var(--neon-purple), 0 0 22px rgba(189,54,255,0.4);
}
.cyber-btn-group .cyber-radio-input:checked + .cyber-btn::before { transform: scaleX(1); transform-origin: left; }

/* 兼容：旧 .cyber-btn-secondary / .cyber-btn-ghost 仍可用（§9 已定义，此处不冲突） */

/* ---------- 18.1b Valorant Primary Button (SVG 斜切填充 + 四角点亮) ---------- */
/* Valorant 风格主按钮：内嵌 SVG 斜切多边形做扫光填充，hover 四角点亮。
   结构: <div class="cyber-val-btn"><button class="cyber-val-button">TEXT</button></div>
   用于大 CTA/主操作。 */
.cyber-val-btn {
    position: relative;
    width: fit-content;
    height: fit-content;
    display: inline-block;
}
.cyber-val-button {
    font-family: var(--font-body);
    color: white;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.05rem;
    text-transform: uppercase;
    border: 1px solid #0E1822;
    padding: 0.8rem 2.1rem;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 531.28 200'%3E%3Cdefs%3E%3Cstyle%3E .shape %7B fill: %23FF4655 %7D %3C/style%3E%3C/defs%3E%3Cg id='Layer_2' data-name='Layer 2'%3E%3Cg id='Layer_1-2' data-name='Layer 1'%3E%3Cpolygon class='shape' points='415.81 200 0 200 115.47 0 531.28 0 415.81 200' /%3E%3C/g%3E%3C/g%3E%3C/svg%3E%0A");
    background-color: #0E1822;
    background-size: 200%;
    background-position: 200%;
    background-repeat: no-repeat;
    transition: 0.3s ease-in-out;
    transition-property: background-position, border, color;
    position: relative;
    z-index: 1;
}
.cyber-val-button:hover {
    border: 1px solid #FF4655;
    color: white;
    background-position: 40%;
}
.cyber-val-button::before {
    content: "";
    position: absolute;
    background-color: #0E1822;
    width: 0.2rem; height: 0.2rem;
    top: -1px; left: -1px;
    transition: background-color 0.15s ease-in-out;
}
.cyber-val-button:hover::before { background-color: white; }
.cyber-val-button::after {
    content: "";
    position: absolute;
    background-color: #FF4655;
    width: 0.3rem; height: 0.3rem;
    bottom: -1px; right: -1px;
    transition: background-color 0.15s ease-in-out;
}
.cyber-val-button:hover::after { background-color: white; }
.cyber-val-btn::before {
    content: "";
    position: absolute;
    width: calc(100% + 0.5em);
    height: 50%;
    left: -0.3em;
    top: -0.3em;
    border: 1px solid #0E1822;
    border-bottom: 0;
}
.cyber-val-btn::after {
    content: "";
    position: absolute;
    width: calc(100% + 0.5em);
    height: 50%;
    left: -0.3em;
    bottom: -0.3em;
    border: 1px solid #0E1822;
    border-top: 0;
    z-index: 0;
}
.cyber-val-button:disabled,
.cyber-val-button.is-disabled { opacity: 0.45; cursor: not-allowed; pointer-events: none; }
.cyber-val-button--sm { font-size: 0.74rem; padding: 0.5rem 1.4rem; }
.cyber-val-button--block { display: flex; width: 100%; }

/* ---------- 18.2 Loaders (02 九宫格 + 03 终端 + mini) ---------- */

/* mini 内联旋转圈，替代 gold .loading */
.cyber-loader--mini {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid var(--border-color);
    border-top-color: var(--neon-green);
    border-radius: 50%;
    animation: cyber-spin 0.7s linear infinite;
    vertical-align: middle;
}
@keyframes cyber-spin { to { transform: rotate(360deg); } }

/* 9 宫格淡入 loader（02 轻量版，令牌对齐） */
.cyber-loader {
    position: relative;
    width: 36px;
    height: 36px;
    display: inline-block;
}
.cyber-loader .sq {
    position: absolute;
    top: 50%; left: 50%;
    width: 8px; height: 8px;
    margin: -4px 0 0 -4px;
    background: var(--fg-primary);
    animation: cyber-loader-fade 675ms ease-in-out infinite;
}
.cyber-loader .sq:nth-child(1) { margin: -16px 0 0 -16px; animation-delay: 0ms; }
.cyber-loader .sq:nth-child(2) { margin: -16px 0 0 -4px;  animation-delay: 75ms; }
.cyber-loader .sq:nth-child(3) { margin: -16px 0 0 8px;   animation-delay: 150ms; }
.cyber-loader .sq:nth-child(4) { margin: -4px 0 0 -16px;  animation-delay: 225ms; }
.cyber-loader .sq:nth-child(5) { margin: -4px 0 0 -4px;    animation-delay: 300ms; }
.cyber-loader .sq:nth-child(6) { margin: -4px 0 0 8px;    animation-delay: 375ms; }
.cyber-loader .sq:nth-child(7) { margin: 8px 0 0 -16px;    animation-delay: 450ms; }
.cyber-loader .sq:nth-child(8) { margin: 8px 0 0 -4px;     animation-delay: 525ms; }
.cyber-loader .sq:nth-child(9) { margin: 8px 0 0 8px;      animation-delay: 600ms; }
@keyframes cyber-loader-fade { from { opacity: 0.15; } to { opacity: 1; } }

/* 终端打字 loader（03 轻量版），文案走 data-text 属性 */
.cyber-terminal-loader {
    border: 1px solid #333;
    background-color: #1a1a1a;
    color: #0f0;
    font-family: var(--font-body);
    font-size: 0.9rem;
    padding: 1.4em 1em 1em;
    width: 13em;
    box-sizing: border-box;
    border-radius: 4px;
    position: relative;
    overflow: hidden;
}
.cyber-terminal-loader .tl-head {
    position: absolute; top: 0; left: 0; right: 0; height: 1.6em;
    background-color: #333;
    padding: 0 0.5em;
    display: flex; align-items: center;
    border-bottom: 0;
}
.cyber-terminal-loader .tl-dot { width: 0.6em; height: 0.6em; border-radius: 50%; margin-right: 0.4em; }
.cyber-terminal-loader .tl-dot.r { background-color: #e33; }
.cyber-terminal-loader .tl-dot.y { background-color: #ee0; }
.cyber-terminal-loader .tl-dot.g { background-color: #0b0; }
.cyber-terminal-loader .tl-text {
    display: inline-block;
    white-space: nowrap;
    overflow: hidden;
    border-right: 0.15em solid green;
    margin-top: 1.6em;
    animation: cyber-type-del 3.2s steps(11) infinite, cyber-blink 0.5s step-end infinite alternate;
}
@keyframes cyber-type-del {
    0%, 8% { width: 0; }
    40%, 55% { width: 7em; }
    90%, 100% { width: 0; }
}
@keyframes cyber-blink { 50% { border-right-color: transparent; } }

/* 覆盖层：固定全屏，居中放 loader，z-index 在扫描线之上 */
.cyber-loader-overlay {
    position: fixed;
    inset: 0;
    z-index: 10002;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    background: rgba(5, 5, 8, 0.55);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
}
.cyber-loader-overlay[hidden] { display: none; }
.cyber-loader-overlay .ov-label {
    color: var(--fg-muted);
    font-family: var(--font-label);
    font-size: 0.8rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

/* ---------- 18.3 Checkbox (轻量赛博霓虹，包裹原生 input) ---------- */

.cyber-checkbox {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
    user-select: none;
    font-family: var(--font-body);
    font-size: 0.88rem;
    color: var(--fg-primary);
}
.cyber-checkbox input {
    position: absolute;
    opacity: 0;
    width: 0; height: 0;
    margin: 0;
}
.cyber-checkbox .cb-box {
    position: relative;
    display: inline-block;
    width: 1.15rem;
    height: 1.15rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--input-bg);
    transition: border-color var(--duration-normal) var(--ease-digital),
                box-shadow var(--duration-normal) var(--ease-digital),
                background var(--duration-normal) var(--ease-digital);
    flex-shrink: 0;
}
.cyber-checkbox .cb-box::after {
    content: '';
    position: absolute;
    left: 50%; top: 48%;
    width: 0.32rem; height: 0.6rem;
    border: solid var(--bg-void);
    border-width: 0 2px 2px 0;
    transform: translate(-50%, -50%) rotate(45deg) scale(0);
    transition: transform var(--duration-normal) var(--ease-digital);
}
.cyber-checkbox input:checked ~ .cb-box {
    border-color: var(--neon-green);
    background: var(--neon-green);
    box-shadow: 0 0 10px rgba(0,255,136,0.6);
}
.cyber-checkbox input:checked ~ .cb-box::after { transform: translate(-50%, -50%) rotate(45deg) scale(1); }
.cyber-checkbox input:focus-visible ~ .cb-box { box-shadow: 0 0 0 2px var(--bg-void), 0 0 10px rgba(0,255,136,0.7); }
.cyber-checkbox:hover .cb-box { border-color: var(--neon-green); }

/* ---------- 18.3b Glitch Checkbox (08 glitch，各类启用/是否 xxx) ---------- */
/* 故障艺术 checkbox：切角方框 + 选中 glitch 动画 + hover 文字错位。
   未选中时 label 加删除线。结构:
   <label class="cyber-checkbox--glitch">
     <input type="checkbox">
     <span class="gc-box"><span class="gc-mark"></span></span>
     <span class="gc-label" data-text="ENABLE_XXX">ENABLE_XXX</span>
   </label> */
.cyber-checkbox--glitch {
    --gc-primary: #00f2ea;
    --gc-secondary: #a855f7;
    --gc-text: #e5e5e5;
    --gc-disabled: #555;
    --gc-anim: 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    user-select: none;
    position: relative;
    font-family: "Fira Code", Consolas, "Courier New", Courier, monospace;
    margin: 0.25rem 0;
}
.cyber-checkbox--glitch input[type="checkbox"] { position: absolute; opacity: 0; width: 0; height: 0; }
.gc-box {
    width: 1.5em; height: 1.5em;
    border: 2px solid var(--gc-primary);
    position: relative;
    transition: all 0.3s ease;
    flex-shrink: 0;
    clip-path: polygon(15% 0, 85% 0, 100% 15%, 100% 85%, 85% 100%, 15% 100%, 0 85%, 0 15%);
}
.gc-mark {
    position: absolute; top: 50%; left: 50%;
    width: 60%; height: 60%;
    background-color: var(--gc-primary);
    transform: translate(-50%, -50%) scale(0);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.18, 0.89, 0.32, 1.28);
    clip-path: inherit;
}
.gc-label {
    color: var(--gc-text);
    font-weight: 500; font-size: 0.95rem;
    text-transform: uppercase; letter-spacing: 0.1em;
    position: relative;
    transition: color 0.3s ease, text-shadow 0.3s ease;
    /* 未选中 → 删除线 */
    text-decoration: line-through;
    text-decoration-color: var(--gc-disabled);
    text-decoration-thickness: 2px;
    opacity: 0.7;
}
/* checked */
.cyber-checkbox--glitch input:checked + .gc-box .gc-mark {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
    animation: gc-glitch-box var(--gc-anim) both;
}
.cyber-checkbox--glitch input:checked ~ .gc-label {
    color: var(--gc-primary);
    text-shadow: 0 0 8px rgba(0, 242, 234, 0.7);
    text-decoration: none;   /* 选中 → 去删除线 */
    opacity: 1;
}
/* hover */
.cyber-checkbox--glitch:hover .gc-box { box-shadow: 0 0 10px var(--gc-primary); }
.cyber-checkbox--glitch:hover .gc-label::before,
.cyber-checkbox--glitch:hover .gc-label::after {
    content: attr(data-text);
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background-color: #050505;
}
.cyber-checkbox--glitch:hover .gc-label::before {
    color: var(--gc-secondary);
    animation: gc-glitch-text var(--gc-anim) cubic-bezier(0.25, 0.46, 0.45, 0.94) both;
}
.cyber-checkbox--glitch:hover .gc-label::after {
    color: var(--gc-primary);
    animation: gc-glitch-text var(--gc-anim) cubic-bezier(0.25, 0.46, 0.45, 0.94) reverse both;
}
/* disabled */
.cyber-checkbox--glitch:has(input:disabled) { cursor: not-allowed; }
.cyber-checkbox--glitch input:disabled + .gc-box { border-color: var(--gc-disabled); opacity: 0.5; box-shadow: none; }
.cyber-checkbox--glitch input:disabled ~ .gc-label { color: var(--gc-disabled); text-shadow: none; }
.cyber-checkbox--glitch:has(input:disabled):hover .gc-box { box-shadow: none; }
.cyber-checkbox--glitch:has(input:disabled):hover .gc-label::before,
.cyber-checkbox--glitch:has(input:disabled):hover .gc-label::after { content: none; }
@keyframes gc-glitch-box {
    0% { transform: translate(-50%, -50%); clip-path: inset(0 0 0 0); }
    20% { transform: translate(calc(-50% - 3px), calc(-50% + 2px)); clip-path: inset(50% 0 20% 0); }
    40% { transform: translate(calc(-50% + 2px), calc(-50% - 1px)); clip-path: inset(20% 0 60% 0); }
    60% { transform: translate(calc(-50% - 2px), calc(-50% + 1px)); clip-path: inset(80% 0 5% 0); }
    80% { transform: translate(calc(-50% + 2px), calc(-50% - 2px)); clip-path: inset(30% 0 45% 0); }
    100% { transform: translate(-50%, -50%); clip-path: inset(0 0 0 0); }
}
@keyframes gc-glitch-text {
    0% { transform: translate(0); clip-path: inset(0 0 0 0); }
    20% { transform: translate(-3px, 2px); clip-path: inset(50% 0 20% 0); }
    40% { transform: translate(2px, -1px); clip-path: inset(20% 0 60% 0); }
    60% { transform: translate(-2px, 1px); clip-path: inset(80% 0 5% 0); }
    80% { transform: translate(2px, -2px); clip-path: inset(30% 0 45% 0); }
    100% { transform: translate(0); clip-path: inset(0 0 0 0); }
}

/* ---------- 18.3c Rocker Switch (摇杆 Yes/No 二态) ---------- */
/* 3D 摇杆开关：左侧 Yes（选中=#0084d0 按下），右侧 No（未选=#bd5757 按下）。
   中性灰阶令牌化，特征色保留原值。凹槽保留灰阶维持立体感。
   结构: <label class="cyber-rocker"><input type="checkbox"><span class="switch-left">是</span><span class="switch-right">否</span></label>
   大小由 font-size 控制；.cyber-rocker--sm 缩小（=原 .rocker-small）。 */
.cyber-rocker {
    display: inline-block;
    position: relative;
    font-size: 2em;
    font-weight: bold;
    text-align: center;
    text-transform: uppercase;
    color: var(--fg-muted);
    width: 7em;
    height: 4em;
    overflow: hidden;
    border-bottom: 0.5em solid var(--border-color);
    font-family: var(--font-body);
    flex-shrink: 0;
}
.cyber-rocker--sm { font-size: 0.75em; margin: 1em; }
.cyber-rocker::before {
    content: "";
    position: absolute;
    top: 0.5em; left: 0; right: 0; bottom: 0;
    background-color: var(--muted-bg);
    border: 0.5em solid var(--border-color);
    border-bottom: 0;
}
.cyber-rocker input { opacity: 0; width: 0; height: 0; }
.cyber-rocker .switch-left,
.cyber-rocker .switch-right {
    cursor: pointer;
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 2.5em;
    width: 3em;
    transition: 0.2s;
    user-select: none;
}
.cyber-rocker .switch-left {
    height: 2.4em;
    width: 2.75em;
    left: 0.85em;
    bottom: 0.4em;
    background-color: var(--muted-bg);
    color: var(--fg-muted);
    transform: rotate(15deg) skewX(15deg);
}
.cyber-rocker .switch-right {
    right: 0.5em;
    bottom: 0;
    background-color: #bd5757;
    color: #fff;
}
.cyber-rocker .switch-left::before,
.cyber-rocker .switch-right::before {
    content: "";
    position: absolute;
    width: 0.4em;
    height: 2.45em;
    bottom: -0.45em;
    background-color: var(--border-color);
    transform: skewY(-65deg);
}
.cyber-rocker .switch-left::before { left: -0.4em; }
.cyber-rocker .switch-right::before {
    right: -0.375em;
    background-color: transparent;
    transform: skewY(65deg);
}
/* 选中：Yes 左侧按下（#0084d0），No 右侧抬起（灰） */
.cyber-rocker input:checked + .switch-left {
    background-color: #0084d0;
    color: #fff;
    bottom: 0;
    left: 0.5em;
    height: 2.5em;
    width: 3em;
    transform: rotate(0deg) skewX(0deg);
}
.cyber-rocker input:checked + .switch-left::before {
    background-color: transparent;
    width: 3.0833em;
}
.cyber-rocker input:checked + .switch-left + .switch-right {
    background-color: var(--muted-bg);
    color: var(--fg-muted);
    bottom: 0.4em;
    right: 0.8em;
    height: 2.4em;
    width: 2.75em;
    transform: rotate(-15deg) skewX(-15deg);
}
.cyber-rocker input:checked + .switch-left + .switch-right::before {
    background-color: var(--border-color);
}
/* 键盘 focus */
input:focus + .switch-left { color: var(--fg-primary); }
input:checked:focus + .switch-left { color: #fff; }
input:focus + .switch-left + .switch-right { color: #fff; }
input:checked:focus + .switch-left + .switch-right { color: var(--fg-primary); }

/* ---------- 18.4 Input / Field (07 轻量) ---------- */

/* focus 辉光增强（conic-lite，用 box-shadow 模拟，不引入多层 conic 伪元素） */
.cyber-input--glow:focus,
.cyber-input--glow:focus-visible {
    box-shadow: 0 0 0 1px var(--neon-green), 0 0 14px rgba(0,255,136,0.35), inset 0 0 8px rgba(0,255,136,0.08);
    border-color: var(--neon-green);
}

/* 浮动标签字段（基于 07b，修 typo） */
.cyber-field {
    position: relative;
    width: 100%;
    max-width: 320px;
}
.cyber-field input,
.cyber-field textarea {
    position: relative;
    width: 100%;
    padding: 1.3rem 0.7rem 0.5rem;
    background: transparent;
    outline: none;
    box-shadow: none;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-base);
    color: var(--fg-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    letter-spacing: 0.05em;
    transition: border-color var(--duration-normal) var(--ease-digital),
                box-shadow var(--duration-normal) var(--ease-digital);
    z-index: 1;
}
.cyber-field input:focus,
.cyber-field textarea:focus {
    border-color: var(--neon-green);
    box-shadow: 0 0 12px rgba(0,255,136,0.25);
}
.cyber-field span {
    position: absolute;
    left: 0.7rem;
    top: 0.85rem;
    color: var(--fg-muted);
    font-size: 0.95rem;
    letter-spacing: 0.05em;
    pointer-events: none;
    transition: var(--duration-slow) var(--ease-digital);
    background: transparent;
    padding: 0 0.2rem;
}
.cyber-field input:not(:placeholder-shown) ~ span,
.cyber-field input:focus ~ span {
    top: -0.6rem;
    font-size: 0.72rem;
    color: var(--neon-green);
    background: var(--bg-void);
}

/* ---------- 18.4b Inputbox (07b 原版浮动标签，底边线条升高包裹，修 typo) ---------- */
/* 无边框输入框，focus/valid 时底部 2px 线条升高成 44px 包裹 + 标签上浮青色。
   结构: .inputbox > input[required] + span + i
   全站输入框用此样式（登录页除外）。 */
.inputbox {
    position: relative;
    width: 100%;
    max-width: 320px;
    display: block;
}
.inputbox input {
    position: relative;
    width: 100%;
    padding: 20px 10px 10px;
    background: transparent;
    outline: none;
    box-shadow: none;
    border: none;
    color: var(--fg-primary);
    font-family: var(--font-body);
    font-size: 1em;
    letter-spacing: 0.05em;
    transition: 0.5s;
    z-index: 10;
}
.inputbox input::placeholder { color: transparent; }
.inputbox span {
    position: absolute;
    left: 0;
    padding: 20px 10px 10px;
    font-size: 1em;
    color: #8f8f8f;
    letter-spacing: 0.05em;
    transition: 0.5s;
    pointer-events: none;
    font-family: var(--font-body);
}
.inputbox input:valid:not(:placeholder-shown) ~ span,
.inputbox input:focus ~ span {
    color: #45f3ff;
    transform: translateX(-10px) translateY(-34px);
    font-size: 0.75em;
}
.inputbox i {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 2px;
    background: #45f3ff;
    border-radius: 4px;
    transition: 0.5s;
    pointer-events: none;
    z-index: 9;
}
.inputbox input:valid:not(:placeholder-shown) ~ i,
.inputbox input:focus ~ i {
    height: 44px;
}

/* ---------- 18.4c Form-Control (逐字符上浮浮动标签) ---------- */
/* 底边线条 + focus/有值时 label 逐字符（span）上浮变青。
   label 文本由 JS 自动拆成单字符 span（cyber-ui.js splitLabels）。
   结构: <div class="cyber-form-control"><input required placeholder=" "><label>标签</label></div>
   全站输入框统一用此样式（登录页除外）。 */
.cyber-form-control {
    position: relative;
    margin: 20px 0 40px;
    width: 100%;
    max-width: 320px;
}
.cyber-form-control input {
    background-color: transparent;
    border: 0;
    border-bottom: 2px #fff solid;
    display: block;
    width: 100%;
    padding: 15px 0;
    font-size: 18px;
    color: #fff;
    font-family: var(--font-body);
    outline: none;
    transition: 0.3s ease;
}
.cyber-form-control input:focus,
.cyber-form-control input:valid:not(:placeholder-shown) {
    outline: 0;
    border-bottom-color: lightblue;
}
.cyber-form-control label {
    position: absolute;
    top: 15px;
    left: 0;
    pointer-events: none;
    color: #fff;
    font-family: var(--font-body);
}
.cyber-form-control label span {
    display: inline-block;
    font-size: 18px;
    min-width: 5px;
    color: #fff;
    transition: 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}
.cyber-form-control input:focus + label span,
.cyber-form-control input:valid:not(:placeholder-shown) + label span {
    color: lightblue;
    transform: translateY(-30px);
}

/* ---------- 18.5 Form / File Upload (08 轻量) ---------- */

.cyber-form {
    max-width: 680px;
    margin: var(--space-lg) 0;
    background: var(--card-bg);
    padding: var(--space-xl);
    border-left: 5px solid var(--neon-cyan);
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}
.cyber-form .form-input,
.cyber-form .form-textarea {
    width: 100%;
    padding: 0.7rem 0.9rem;
    background: var(--input-bg);
    border: 1px solid transparent;
    border-left: 2px solid transparent;
    color: var(--fg-primary);
    font-family: var(--font-body);
    font-size: 0.92rem;
    outline: none;
    transition: border-color var(--duration-normal) var(--ease-digital);
    border-radius: var(--radius-sm);
}
.cyber-form .form-input:focus,
.cyber-form .form-textarea:focus { border-left-color: var(--neon-cyan); }
.cyber-form .form-textarea { resize: vertical; min-height: 90px; }

.cyber-file-upload {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    cursor: pointer;
    border: 2px dashed var(--border-color);
    background: var(--input-bg);
    padding: var(--space-lg);
    border-radius: var(--radius-base);
    transition: border-color var(--duration-normal) var(--ease-digital),
                box-shadow var(--duration-normal) var(--ease-digital);
    text-align: center;
}
.cyber-file-upload:hover,
.cyber-file-upload.is-dragover {
    border-color: var(--neon-green);
    box-shadow: 0 0 18px rgba(0,255,136,0.18);
}
.cyber-file-upload input[type="file"] { display: none; }
.cyber-file-upload .cfu-icon { font-size: 1.8rem; color: var(--neon-green); }
.cyber-file-upload .cfu-text { color: var(--fg-muted); font-family: var(--font-body); font-size: 0.85rem; }

/* ---------- 18.6 Card 增强 (沿用 chamfer，非票根) ---------- */

.cyber-card--glow {
    transition: transform var(--duration-slow) var(--ease-digital),
                box-shadow var(--duration-slow) var(--ease-digital),
                border-color var(--duration-slow) var(--ease-digital);
}
.cyber-card--glow:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.6), 0 0 18px rgba(0,255,136,0.18);
    border-color: var(--neon-green);
}


/* ---------- 18.8 Torch Checkbox (04 火把，checked 点亮发光) ---------- */
/* 重型 3D 装饰 checkbox，用于关键开关/单次勾选，勿密集并排。 */
/* 结构: label.cyber-torch > .torch-simple-text + input.cyber-torch-input + .torch > .head(3×.face) + .stick(2×.side) */
.cyber-torch {
    --_t-warm: #ffd800;
    --_t-warm-soft: #ffff9760;
    --_t-white-soft: #ffffff60;
    --_t-orange-soft: #ff8f0060;
    display: inline-flex;
    justify-content: center;
    height: 150px;
    width: 60px;
    position: relative;
}
.cyber-torch .torch-head,
.cyber-torch .torch-stick {
    position: absolute;
    width: 30px;
    transform-style: preserve-3d;
    transform: rotateX(-30deg) rotateY(45deg);
}
.cyber-torch .torch-stick { position: relative; height: 120px; }
.cyber-torch .torch-face {
    position: absolute;
    transform-style: preserve-3d;
    width: 30px; height: 30px;
    display: grid;
    grid-template-columns: 50% 50%;
    grid-template-rows: 50% 50%;
    background-color: #000;
}
.cyber-torch .torch-face.top { transform: rotateX(90deg) translateZ(15px); }
.cyber-torch .torch-face.left { transform: rotateY(-90deg) translateZ(15px); }
.cyber-torch .torch-face.right { transform: rotateY(0deg) translateZ(15px); }
.cyber-torch .torch-face div { width: 102%; height: 102%; }
.cyber-torch .torch-face.top div:nth-child(1),
.cyber-torch .torch-face.left div:nth-child(3),
.cyber-torch .torch-face.right div:nth-child(3) { background-color: var(--_t-warm-soft); }
.cyber-torch .torch-face.top div:nth-child(2),
.cyber-torch .torch-face.left div:nth-child(1),
.cyber-torch .torch-face.right div:nth-child(1) { background-color: var(--_t-orange-soft); }
.cyber-torch .torch-face.top div:nth-child(3),
.cyber-torch .torch-face.left div:nth-child(4),
.cyber-torch .torch-face.right div:nth-child(4) { background-color: var(--_t-white-soft); }
.cyber-torch .torch-face.top div:nth-child(4),
.cyber-torch .torch-face.left div:nth-child(2),
.cyber-torch .torch-face.right div:nth-child(2) { background-color: var(--_t-warm-soft); }
.cyber-torch .torch-side {
    position: absolute;
    width: 30px; height: 120px;
    display: grid;
    grid-template-columns: 50% 50%;
    grid-template-rows: repeat(8, 12.5%);
    cursor: pointer;
    translate: 0 12px;
}
.cyber-torch .torch-side.side-left { transform: rotateY(-90deg) translateZ(15px) translateY(8px); }
.cyber-torch .torch-side.side-right { transform: rotateY(0deg) translateZ(15px) translateY(8px); }
.cyber-torch .torch-side div { width: 103%; height: 103%; }
.cyber-torch .torch-side div:nth-child(1) { background-color: #443622; }
.cyber-torch .torch-side div:nth-child(2) { background-color: #2e2517; }
.cyber-torch .torch-side div:nth-child(3),
.cyber-torch .torch-side div:nth-child(5) { background-color: #4b3b23; }
.cyber-torch .torch-side div:nth-child(4),
.cyber-torch .torch-side div:nth-child(10) { background-color: #251e12; }
.cyber-torch .torch-side div:nth-child(6) { background-color: #292115; }
.cyber-torch .torch-side div:nth-child(7) { background-color: #4b3c26; }
.cyber-torch .torch-side div:nth-child(8) { background-color: #292115; }
.cyber-torch .torch-side div:nth-child(9) { background-color: #4b3a21; }
.cyber-torch .torch-side div:nth-child(11),
.cyber-torch .torch-side div:nth-child(15) { background-color: #3d311d; }
.cyber-torch .torch-side div:nth-child(12) { background-color: #2c2315; }
.cyber-torch .torch-side div:nth-child(13) { background-color: #493a22; }
.cyber-torch .torch-side div:nth-child(14) { background-color: #2b2114; }
.cyber-torch .torch-side div:nth-child(16) { background-color: #271e10; }
/* checked 点亮 */
.cyber-torch-input { position: absolute; opacity: 0; width: 0; height: 0; }
.cyber-torch-input:checked ~ .torch .torch-face {
    filter: drop-shadow(0 0 2px #fff) drop-shadow(0 0 10px rgba(255,237,156,.7)) drop-shadow(0 0 25px rgba(255,227,101,.4));
}
.cyber-torch-input:checked ~ .torch .torch-face.top div:nth-child(1),
.cyber-torch-input:checked ~ .torch .torch-face.left div:nth-child(3),
.cyber-torch-input:checked ~ .torch .torch-face.right div:nth-child(3) { background-color: #ffff97; }
.cyber-torch-input:checked ~ .torch .torch-face.top div:nth-child(2),
.cyber-torch-input:checked ~ .torch .torch-face.left div:nth-child(1),
.cyber-torch-input:checked ~ .torch .torch-face.right div:nth-child(1) { background-color: var(--_t-warm); }
.cyber-torch-input:checked ~ .torch .torch-face.top div:nth-child(3),
.cyber-torch-input:checked ~ .torch .torch-face.left div:nth-child(4),
.cyber-torch-input:checked ~ .torch .torch-face.right div:nth-child(4) { background-color: #fff; }
.cyber-torch-input:checked ~ .torch .torch-face.top div:nth-child(4),
.cyber-torch-input:checked ~ .torch .torch-face.left div:nth-child(2),
.cyber-torch-input:checked ~ .torch .torch-face.right div:nth-child(2) { background-color: #ff8f00; }
.cyber-torch-input:checked ~ .torch .torch-side div:nth-child(1) { background-color: #7c623e; }
.cyber-torch-input:checked ~ .torch .torch-side div:nth-child(2) { background-color: #4c3d26; }
.cyber-torch-input:checked ~ .torch .torch-side div:nth-child(3),
.cyber-torch-input:checked ~ .torch .torch-side div:nth-child(5) { background-color: #937344; }
.cyber-torch-input:checked ~ .torch .torch-side div:nth-child(4),
.cyber-torch-input:checked ~ .torch .torch-side div:nth-child(10) { background-color: #3c2f1c; }
.cyber-torch-input:checked ~ .torch .torch-side div:nth-child(6) { background-color: #423522; }
.cyber-torch-input:checked ~ .torch .torch-side div:nth-child(7) { background-color: #9f7f50; }
.cyber-torch-input:checked ~ .torch .torch-side div:nth-child(8) { background-color: #403320; }
.cyber-torch-input:checked ~ .torch .torch-side div:nth-child(9) { background-color: #977748; }
.cyber-torch-input:checked ~ .torch .torch-side div:nth-child(11),
.cyber-torch-input:checked ~ .torch .torch-side div:nth-child(15) { background-color: #675231; }
.cyber-torch-input:checked ~ .torch .torch-side div:nth-child(12) { background-color: #3d301d; }
.cyber-torch-input:checked ~ .torch .torch-side div:nth-child(13) { background-color: #987849; }
.cyber-torch-input:checked ~ .torch .torch-side div:nth-child(14) { background-color: #3b2e1b; }
.cyber-torch-input:checked ~ .torch .torch-side div:nth-child(16) { background-color: #372a17; }

/* ---------- 18.9 Pixel Checkbox (05 像素屏，49 像素翻转) ---------- */
/* 重型 7×7 像素屏，checked 时危险×转成功✓。结构: label.cyber-pixel > input.cyber-pixel-input + .pixel-light + .pixel-monitor > 49×.pixel-dot[--i] */
.cyber-pixel {
    --_px: 5px;
    --_gap: 2px;
    --_pad: 6px;
    position: relative;
    display: inline-block;
    margin: 0.5rem;
}
.cyber-pixel-input { position: absolute; margin: 0; width: 100%; height: 100%; opacity: 0; cursor: pointer; }
.cyber-pixel .pixel-monitor {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    grid-template-rows: repeat(7, 1fr);
    gap: var(--_gap);
    padding: var(--_pad);
    border-radius: var(--radius-base);
    border: 2px solid #0005;
    box-sizing: border-box;
    transition: background-color 1.8s ease;
    background-image: linear-gradient(to bottom, #fff7, #0003);
    background-color: rgba(0,0,0,0.33);
    box-shadow: inset 0 6px 12px -5px #000, inset 0 -6px 12px -5px #000, 0 6px 12px -5px #0007;
}
.cyber-pixel .pixel-light {
    position: absolute;
    inset: -50% -25%;
    width: 150%; height: 150%;
    background: #fff2;
    filter: blur(16px);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.cyber-pixel-input:hover ~ .pixel-light { opacity: 1; }
.cyber-pixel .pixel-dot {
    pointer-events: none;
    width: var(--_px);
    height: var(--_px);
    background-color: #0006;
    box-shadow: 0 0 4px -1px #000;
    border-radius: 2px;
    transition: background-color 1.8s ease, box-shadow 1.8s ease;
}
/* 危险 × 像素 */
.cyber-pixel .pixel-dot:nth-child(9),
.cyber-pixel .pixel-dot:nth-child(13),
.cyber-pixel .pixel-dot:nth-child(17),
.cyber-pixel .pixel-dot:nth-child(19),
.cyber-pixel .pixel-dot:nth-child(25),
.cyber-pixel .pixel-dot:nth-child(31),
.cyber-pixel .pixel-dot:nth-child(33),
.cyber-pixel .pixel-dot:nth-child(37),
.cyber-pixel .pixel-dot:nth-child(41) {
    background-color: #ff3b6c;
    box-shadow: 0 0 12px 2px #ff2f63;
}
/* checked: 危险像素熄灭 + 成功 ✓ 像素点亮 */
.cyber-pixel-input:checked ~ .pixel-monitor .pixel-dot:nth-child(9),
.cyber-pixel-input:checked ~ .pixel-monitor .pixel-dot:nth-child(13),
.cyber-pixel-input:checked ~ .pixel-monitor .pixel-dot:nth-child(17),
.cyber-pixel-input:checked ~ .pixel-monitor .pixel-dot:nth-child(19),
.cyber-pixel-input:checked ~ .pixel-monitor .pixel-dot:nth-child(25),
.cyber-pixel-input:checked ~ .pixel-monitor .pixel-dot:nth-child(31),
.cyber-pixel-input:checked ~ .pixel-monitor .pixel-dot:nth-child(33),
.cyber-pixel-input:checked ~ .pixel-monitor .pixel-dot:nth-child(37),
.cyber-pixel-input:checked ~ .pixel-monitor .pixel-dot:nth-child(41) {
    background-color: #0006;
    box-shadow: none;
}
.cyber-pixel-input:checked ~ .pixel-monitor .pixel-dot:nth-child(13),
.cyber-pixel-input:checked ~ .pixel-monitor .pixel-dot:nth-child(19),
.cyber-pixel-input:checked ~ .pixel-monitor .pixel-dot:nth-child(25),
.cyber-pixel-input:checked ~ .pixel-monitor .pixel-dot:nth-child(31) {
    background-color: #9dff4c;
    box-shadow: 0 0 12px 2px #9dff4c;
}
.cyber-pixel-input:checked ~ .pixel-monitor { background-color: rgba(122,214,46,0.33); }
.cyber-pixel-input:checked ~ .pixel-monitor .pixel-dot {
    animation: pixel-flip 1.8s ease;
    animation-delay: calc(var(--i, 0) * 0.02s);
}
@keyframes pixel-flip {
    20% { filter: drop-shadow(0 -3px 3px #fff); transform: scaleX(0.5); }
    100% { transform: rotateY(180deg); }
}

/* ---------- 18.10 Ticket Card (06 票根，3D 倾斜 + 光带 + 网格滚动) ---------- */
/* 重型展示卡，用于首页统计/重点导航/成就，非工具列表。 */
/* 结构: .cyber-ticket-canvas > .cyber-ticket > .ticket-main(.ticket-content) + .ticket-perf + .ticket-stub */
.cyber-ticket {
    --_t-bg: #1e1e24;
    --_t-bg-light: #2b2b36;
    --_t-accent: #7c3aed;
    --_t-accent-glow: rgba(124, 58, 237, 0.5);
    --_t-text: #f8fafc;
    --_t-muted: #94a3b8;
    font-size: 10px;
    perspective: 1000px;
    display: inline-block;
    width: 22em;
    color: var(--_t-text);
    font-family: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
    transform-style: preserve-3d;
    transition: transform 0.6s cubic-bezier(0.23, 1, 0.32, 1), box-shadow 0.6s ease;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.8), 0 0 0 1px rgba(255, 255, 255, 0.05);
    background: transparent;
    filter: drop-shadow(0px 0px 10px rgba(0, 0, 0, 0.5));
    position: relative;
}
.cyber-ticket:hover {
    transform: rotateX(5deg) rotateY(-10deg) scale(1.02);
    box-shadow: 20px 20px 40px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,255,255,0.1), -5px -5px 20px var(--_t-accent-glow);
}
.cyber-ticket::after {
    content: ""; position: absolute; inset: 0; border-radius: 1em; pointer-events: none;
    background: linear-gradient(115deg, transparent 0%, transparent 40%, rgba(255,255,255,0.1) 45%, rgba(255,255,255,0.3) 50%, rgba(255,255,255,0.1) 55%, transparent 60%, transparent 100%);
    z-index: 10; background-size: 250% 250%; background-position: 100% 100%;
    transition: background-position 0.6s cubic-bezier(0.23, 1, 0.32, 1); mix-blend-mode: overlay;
}
.cyber-ticket:hover::after { background-position: 0% 0%; }
.cyber-ticket .ticket-main {
    padding: 2em; position: relative; overflow: hidden;
    background: radial-gradient(circle at bottom left, transparent 1em, var(--_t-bg) 1.05em),
        radial-gradient(circle at bottom right, transparent 1em, var(--_t-bg) 1.05em);
    background-size: 51% 100%; background-position: bottom left, bottom right; background-repeat: no-repeat;
    border-top-left-radius: 1em; border-top-right-radius: 1em;
}
.cyber-ticket .ticket-main::after {
    content: ""; position: absolute; inset: 0;
    background-image: linear-gradient(rgba(124, 58, 237, 0.15) 1px, transparent 1px), linear-gradient(90deg, rgba(124, 58, 237, 0.15) 1px, transparent 1px);
    background-size: 2em 2em; opacity: 0.6; z-index: 0; pointer-events: none;
    transform: perspective(500px) rotateX(20deg) scale(1.5);
    animation: ticket-grid 20s linear infinite;
}
@keyframes ticket-grid { 0% { background-position: 0 0; } 100% { background-position: 0 4em; } }
.cyber-ticket .ticket-content { position: relative; z-index: 1; }
.cyber-ticket .ticket-title {
    font-size: 2.2em; font-weight: 900; line-height: 1.1; margin-bottom: 0.2em; text-transform: uppercase;
    background: linear-gradient(135deg, #fff 0%, #a5b4fc 100%);
    -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.cyber-ticket .ticket-sub { color: var(--_t-muted); font-size: 0.9em; margin-bottom: 1.5em; }
.cyber-ticket .ticket-value {
    font-size: 2.4em; font-weight: 900; line-height: 1; color: var(--_t-accent);
    text-shadow: 0 0 15px var(--_t-accent-glow);
}
.cyber-ticket .ticket-perf {
    display: flex; justify-content: space-between; height: 1em; align-items: center; position: relative; z-index: 2;
}
.cyber-ticket .ticket-perf-line { flex-grow: 1; height: 0; border-top: 2px dashed rgba(255,255,255,0.2); margin: 0 1.5em; }
.cyber-ticket .ticket-stub {
    padding: 1.2em; background: radial-gradient(circle at top left, transparent 1em, var(--_t-bg-light) 1.05em),
        radial-gradient(circle at top right, transparent 1em, var(--_t-bg-light) 1.05em);
    background-size: 51% 100%; background-position: top left, top right; background-repeat: no-repeat;
    border-bottom-left-radius: 1em; border-bottom-right-radius: 1em;
    display: flex; justify-content: space-between; align-items: center;
}
.cyber-ticket .ticket-stub .ticket-barcode {
    width: 8em; height: 2em; opacity: 0.8;
    background: repeating-linear-gradient(90deg, #fff 0, #fff 2px, transparent 2px, transparent 4px, #fff 4px, #fff 5px, transparent 5px, transparent 8px);
}
.cyber-ticket .ticket-stub .ticket-id { font-family: "Space Grotesk", "Segoe UI", system-ui, sans-serif; font-size: 0.7em; color: var(--_t-muted); letter-spacing: 0.2em; }

@media (prefers-reduced-motion: reduce) {
    .cyber-loader--mini, .cyber-loader .sq, .cyber-terminal-loader .tl-text,
    .cyber-btn--glitch::after, .cyber-ticket::after,
    .cyber-ticket .ticket-main::after, .gc-mark, .gc-label::before, .gc-label::after { animation: none !important; }
}

