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

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

:root {
    --primary-color: #00ff88;
    --secondary-color: #ff0055;
    --bg-dark: #0a0e14;
    --bg-darker: #050810;
    --bg-card: #141821;
    --text-light: #e6e6e6;
    --text-muted: #7a8394;
    --border-color: #1f2937;
    --accent-glow: rgba(0, 255, 136, 0.3);
    --grid-color: rgba(0, 255, 136, 0.1);
}

body {
    font-family: 'Rajdhani', sans-serif;
    background: var(--bg-darker);
    color: var(--text-light);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Scanline Effect */
.scanlines {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to bottom,
        transparent 50%, 
        rgba(0, 0, 0, 0.1) 50%
    );
    background-size: 100% 4px;
    pointer-events: none;
    z-index: 9999;
    animation: scanline 8s linear infinite;
}

@keyframes scanline {
    0% { transform: translateY(0); }
    100% { transform: translateY(4px); }
}

/* Grid Background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(90deg, var(--grid-color) 1px, transparent 1px),
        linear-gradient(0deg, var(--grid-color) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: 0;
    opacity: 0.3;
}

/* Glow Effect */
body::after {
    content: '';
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(
        circle at 50% 50%,
        rgba(0, 255, 136, 0.03) 0%,
        transparent 50%
    );
    pointer-events: none;
    z-index: 0;
    animation: pulse-glow 8s ease-in-out infinite;
}

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

/* Container */
.container {
    position: relative;
    z-index: 10;
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 30px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 2px;
    margin-bottom: 40px;
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.1);
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-icon {
    font-size: 2rem;
    color: var(--primary-color);
    animation: rotate-icon 10s linear infinite;
}

@keyframes rotate-icon {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.logo-text {
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--text-light);
}

.logo-text .highlight {
    color: var(--primary-color);
    text-shadow: 0 0 10px var(--accent-glow);
}

.status-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid var(--primary-color);
    border-radius: 2px;
}

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

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

.status-text {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.9rem;
    color: var(--primary-color);
    letter-spacing: 2px;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 60px 20px;
    margin-bottom: 60px;
}

.glitch-text {
    font-size: 4rem;
    font-weight: 700;
    letter-spacing: 8px;
    color: var(--text-light);
    position: relative;
    display: inline-block;
    margin-bottom: 20px;
    text-shadow: 
        0 0 10px rgba(0, 255, 136, 0.5),
        0 0 20px rgba(0, 255, 136, 0.3);
}

.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 var(--secondary-color);
    clip: rect(24px, 550px, 90px, 0);
    animation: glitch-anim-2 3s infinite linear alternate-reverse;
}

.glitch-text::after {
    left: -2px;
    text-shadow: -2px 0 var(--primary-color);
    clip: rect(85px, 550px, 140px, 0);
    animation: glitch-anim 2.5s infinite linear alternate-reverse;
}

@keyframes glitch-anim {
    0% { clip: rect(61px, 9999px, 88px, 0); }
    5% { clip: rect(33px, 9999px, 144px, 0); }
    10% { clip: rect(68px, 9999px, 90px, 0); }
    15% { clip: rect(56px, 9999px, 27px, 0); }
    20% { clip: rect(72px, 9999px, 121px, 0); }
    25% { clip: rect(22px, 9999px, 99px, 0); }
    30% { clip: rect(85px, 9999px, 47px, 0); }
    35% { clip: rect(15px, 9999px, 138px, 0); }
    40% { clip: rect(94px, 9999px, 53px, 0); }
    45% { clip: rect(41px, 9999px, 112px, 0); }
    50% { clip: rect(77px, 9999px, 28px, 0); }
    55% { clip: rect(19px, 9999px, 95px, 0); }
    60% { clip: rect(63px, 9999px, 71px, 0); }
    65% { clip: rect(38px, 9999px, 105px, 0); }
    70% { clip: rect(82px, 9999px, 44px, 0); }
    75% { clip: rect(26px, 9999px, 118px, 0); }
    80% { clip: rect(91px, 9999px, 37px, 0); }
    85% { clip: rect(50px, 9999px, 79px, 0); }
    90% { clip: rect(11px, 9999px, 131px, 0); }
    95% { clip: rect(70px, 9999px, 62px, 0); }
    100% { clip: rect(29px, 9999px, 102px, 0); }
}

@keyframes glitch-anim-2 {
    0% { clip: rect(20px, 9999px, 120px, 0); }
    5% { clip: rect(90px, 9999px, 45px, 0); }
    10% { clip: rect(55px, 9999px, 103px, 0); }
    15% { clip: rect(13px, 9999px, 87px, 0); }
    20% { clip: rect(75px, 9999px, 31px, 0); }
    25% { clip: rect(48px, 9999px, 117px, 0); }
    30% { clip: rect(88px, 9999px, 59px, 0); }
    35% { clip: rect(32px, 9999px, 96px, 0); }
    40% { clip: rect(67px, 9999px, 24px, 0); }
    45% { clip: rect(42px, 9999px, 110px, 0); }
    50% { clip: rect(80px, 9999px, 52px, 0); }
    55% { clip: rect(28px, 9999px, 135px, 0); }
    60% { clip: rect(93px, 9999px, 40px, 0); }
    65% { clip: rect(36px, 9999px, 114px, 0); }
    70% { clip: rect(71px, 9999px, 65px, 0); }
    75% { clip: rect(51px, 9999px, 92px, 0); }
    80% { clip: rect(17px, 9999px, 127px, 0); }
    85% { clip: rect(84px, 9999px, 48px, 0); }
    90% { clip: rect(60px, 9999px, 76px, 0); }
    95% { clip: rect(23px, 9999px, 106px, 0); }
    100% { clip: rect(97px, 9999px, 33px, 0); }
}

.subtitle {
    font-size: 1.3rem;
    color: var(--text-muted);
    margin-bottom: 30px;
    letter-spacing: 2px;
}

.terminal-line {
    font-family: 'Share Tech Mono', monospace;
    font-size: 1.1rem;
    padding: 15px 25px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--primary-color);
    display: inline-block;
    text-align: left;
}

.prompt {
    color: var(--primary-color);
}

.command {
    color: var(--text-light);
}

/* Install Section */
.install-section {
    margin-bottom: 60px;
}

.section-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--border-color);
}

.section-icon {
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: 700;
}

.section-header h2 {
    font-size: 1.8rem;
    letter-spacing: 3px;
    font-weight: 600;
}

.install-steps {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.step {
    display: flex;
    gap: 25px;
    padding: 30px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--primary-color);
    transition: all 0.3s ease;
}

.step:hover {
    border-left-color: var(--secondary-color);
    box-shadow: 0 0 20px rgba(255, 0, 85, 0.2);
    transform: translateX(5px);
}

.step-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    font-family: 'Share Tech Mono', monospace;
    opacity: 0.5;
    min-width: 60px;
}

.step-content h3 {
    font-size: 1.4rem;
    margin-bottom: 10px;
    color: var(--text-light);
}

.step-content p {
    color: var(--text-muted);
    margin-bottom: 20px;
    line-height: 1.6;
}

/* Buttons */
.btn-primary,
.btn-link {
    padding: 12px 30px;
    font-family: 'Rajdhani', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 2px;
    border: 2px solid var(--primary-color);
    background: transparent;
    color: var(--primary-color);
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.btn-primary:hover,
.btn-link:hover {
    background: var(--primary-color);
    color: var(--bg-dark);
    box-shadow: 0 0 20px var(--accent-glow);
    transform: translateY(-2px);
}

.btn-icon {
    font-size: 1.2rem;
}

/* Code Block */
.code-block {
    margin-top: 20px;
    background: var(--bg-darker);
    border: 1px solid var(--border-color);
    border-radius: 2px;
    overflow: hidden;
}

.code-block.hidden {
    display: none;
}

.code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 20px;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
}

.code-header span {
    font-family: 'Share Tech Mono', monospace;
    color: var(--primary-color);
    font-size: 0.9rem;
}

.btn-copy {
    padding: 6px 16px;
    font-family: 'Rajdhani', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1px;
    border: 1px solid var(--primary-color);
    background: transparent;
    color: var(--primary-color);
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.code-block pre {
    padding: 20px;
    color: var(--text-light);
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.85rem;
    line-height: 1.6;
    overflow-x: auto;
    max-height: 500px;
    overflow-y: auto;
}

.code-block pre::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.code-block pre::-webkit-scrollbar-track {
    background: var(--bg-card);
}

.code-block pre::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 2px;
}

/* Preview Section */
.preview-section {
    margin-bottom: 60px;
}

.live2d-preview {
    position: relative;
    width: 400px;
    height: 400px;
    margin: 30px auto;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 2px;
    overflow: hidden;
    box-shadow: 
        0 0 30px rgba(0, 255, 136, 0.1),
        inset 0 0 50px rgba(0, 255, 136, 0.05);
}

.preview-overlay {
    position: absolute;
    top: 10px;
    left: 10px;
    z-index: 100;
    pointer-events: none;
}

.preview-label {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.75rem;
    padding: 6px 12px;
    background: rgba(0, 255, 136, 0.2);
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    letter-spacing: 2px;
}

/* Model Selector */
.model-selector {
    text-align: center;
    padding: 25px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 2px;
}

.model-selector h4 {
    font-size: 1rem;
    letter-spacing: 2px;
    margin-bottom: 20px;
    color: var(--text-muted);
}

.model-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
}

.model-btn {
    padding: 10px 24px;
    font-family: 'Rajdhani', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 1px;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.3s ease;
}

.model-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    box-shadow: 0 0 15px rgba(0, 255, 136, 0.2);
}

.model-btn.active {
    border-color: var(--primary-color);
    background: rgba(0, 255, 136, 0.1);
    color: var(--primary-color);
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.3);
}

/* Footer */
.footer {
    margin-top: 80px;
    padding: 40px 30px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 2px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-col h4 {
    font-size: 0.9rem;
    letter-spacing: 2px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.footer-col p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.status-online {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.footer-bottom p {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-muted);
    letter-spacing: 3px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .glitch-text {
        font-size: 2.5rem;
        letter-spacing: 4px;
    }

    .hero {
        padding: 40px 20px;
    }

    .step {
        flex-direction: column;
    }

    .step-number {
        font-size: 2rem;
    }

    .live2d-preview {
        width: 300px;
        height: 300px;
    }

    .header {
        flex-direction: column;
        gap: 20px;
    }

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

@media (max-width: 480px) {
    .glitch-text {
        font-size: 1.8rem;
        letter-spacing: 2px;
    }

    .live2d-preview {
        width: 250px;
        height: 250px;
    }

    .model-buttons {
        gap: 8px;
    }

    .model-btn {
        padding: 8px 16px;
        font-size: 0.85rem;
    }
}