/* ============================================================
   LQBBY ACG API — Modern Cyberpunk-Glassmorphism Theme
   ============================================================ */

/* --- CSS Custom Properties --------------------------------- */
:root {
    /* Neon palette */
    --cyan:       #00f0ff;
    --magenta:    #ff00e5;
    --purple:     #7b2fff;
    --green:      #00ff88;
    --orange:     #ff6b35;
    --pink:       #ff2d95;
    --yellow:     #ffd700;
    --blue:       #4dabf7;

    /* Background */
    --bg-deep:    #06060f;
    --bg-surface: rgba(255,255,255,0.04);
    --bg-card:    rgba(15,15,35,0.6);

    /* Glass */
    --glass-bg:   rgba(255,255,255,0.03);
    --glass-border: rgba(255,255,255,0.08);
    --glass-blur: 24px;

    /* Text */
    --text-primary:   #e8e8f0;
    --text-secondary: #9898b0;
    --text-muted:     #606078;

    /* Spacing */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;

    /* Fonts */
    --font-body:  "Inter", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
    --font-mono:  "JetBrains Mono", "Fira Code", "Cascadia Code", Consolas, monospace;
    --font-display: "Inter", "PingFang SC", sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--bg-deep);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
}

/* --- Animated Gradient Background -------------------------- */
.bg-gradient {
    position: fixed;
    inset: 0;
    z-index: 0;
    background:
        radial-gradient(ellipse 80% 60% at 20% 20%, rgba(123,47,255,0.15) 0%, transparent 60%),
        radial-gradient(ellipse 60% 80% at 80% 80%, rgba(255,0,229,0.12) 0%, transparent 60%),
        radial-gradient(ellipse 50% 50% at 50% 50%, rgba(0,240,255,0.08) 0%, transparent 70%),
        radial-gradient(ellipse 70% 40% at 10% 90%, rgba(0,255,136,0.1) 0%, transparent 60%);
    animation: bgShift 15s ease-in-out infinite alternate;
}

@keyframes bgShift {
    0%   { opacity: 0.8; }
    50%  { opacity: 1; }
    100% { opacity: 0.7; filter: hue-rotate(15deg); }
}

/* --- Canvas Particles -------------------------------------- */
#particles {
    position: fixed;
    inset: 0;
    z-index: 1;
    pointer-events: none;
}

/* --- Main Container ---------------------------------------- */
.main-container {
    position: relative;
    z-index: 2;
    max-width: 960px;
    margin: 0 auto;
    padding: 40px 24px 100px;
}

/* --- Glass Card -------------------------------------------- */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 32px;
    margin-bottom: 24px;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-2px);
    border-color: rgba(255,255,255,0.15);
    box-shadow: 0 8px 40px rgba(0,0,0,0.4);
}

/* --- Hero Section ------------------------------------------ */
.hero {
    text-align: center;
    padding: 60px 24px 40px;
    margin-bottom: 32px;
}

.hero-icon {
    font-size: 64px;
    margin-bottom: 16px;
    display: inline-block;
    animation: float 3s ease-in-out infinite;
    filter: drop-shadow(0 0 20px rgba(123,47,255,0.6));
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-12px); }
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(32px, 5vw, 56px);
    font-weight: 800;
    background: linear-gradient(135deg, var(--cyan), var(--magenta), var(--purple), var(--green));
    background-size: 400% 400%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientFlow 6s ease infinite;
    line-height: 1.2;
    margin-bottom: 8px;
}

@keyframes gradientFlow {
    0%   { background-position: 0% 50%; }
    50%  { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    font-weight: 400;
    letter-spacing: 2px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 16px;
    padding: 6px 16px;
    border-radius: 100px;
    background: rgba(0,240,255,0.1);
    border: 1px solid rgba(0,240,255,0.25);
    font-size: 13px;
    color: var(--cyan);
    letter-spacing: 1px;
}

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

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%      { opacity: 0.5; transform: scale(1.3); }
}

/* --- Stats Row --------------------------------------------- */
.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 24px 20px;
    text-align: center;
    transition: all 0.3s ease;
}

.stat-card:hover {
    border-color: rgba(255,255,255,0.2);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}

.stat-card:nth-child(1):hover { border-color: var(--cyan); box-shadow: 0 0 30px rgba(0,240,255,0.15); }
.stat-card:nth-child(2):hover { border-color: var(--magenta); box-shadow: 0 0 30px rgba(255,0,229,0.15); }
.stat-card:nth-child(3):hover { border-color: var(--green); box-shadow: 0 0 30px rgba(0,255,136,0.15); }

.stat-icon {
    font-size: 32px;
    margin-bottom: 8px;
}

.stat-value {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 4px;
}

.stat-card:nth-child(1) .stat-value { color: var(--cyan); }
.stat-card:nth-child(2) .stat-value { color: var(--magenta); }
.stat-card:nth-child(3) .stat-value { color: var(--green); }

.stat-label {
    font-size: 13px;
    color: var(--text-muted);
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* --- Section Title ----------------------------------------- */
.section-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-title .line {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--glass-border), transparent);
}

.section-title .icon {
    font-size: 24px;
}

/* --- Endpoint Cards ---------------------------------------- */
.endpoints-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 16px;
}

.endpoint-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 24px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.endpoint-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    border-radius: 3px 3px 0 0;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.endpoint-card:nth-child(1)::before { background: linear-gradient(90deg, var(--cyan), var(--blue)); }
.endpoint-card:nth-child(2)::before { background: linear-gradient(90deg, var(--magenta), var(--pink)); }
.endpoint-card:nth-child(3)::before { background: linear-gradient(90deg, var(--purple), var(--cyan)); }

.endpoint-card:hover { border-color: rgba(255,255,255,0.2); transform: translateY(-4px); }
.endpoint-card:hover::before { opacity: 1; }

.endpoint-card:nth-child(1):hover { box-shadow: 0 8px 30px rgba(0,240,255,0.1); }
.endpoint-card:nth-child(2):hover { box-shadow: 0 8px 30px rgba(255,0,229,0.1); }
.endpoint-card:nth-child(3):hover { box-shadow: 0 8px 30px rgba(123,47,255,0.1); }

.endpoint-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.endpoint-card:nth-child(1) .endpoint-badge { background: rgba(0,240,255,0.15); color: var(--cyan); }
.endpoint-card:nth-child(2) .endpoint-badge { background: rgba(255,0,229,0.15); color: var(--magenta); }
.endpoint-card:nth-child(3) .endpoint-badge { background: rgba(123,47,255,0.15); color: var(--purple); }

.endpoint-url {
    font-family: var(--font-mono);
    font-size: 15px;
    color: var(--text-primary);
    word-break: break-all;
    margin-bottom: 8px;
}

.endpoint-desc {
    font-size: 13px;
    color: var(--text-secondary);
}

.endpoint-copied {
    position: absolute;
    top: 12px;
    right: 12px;
    font-size: 12px;
    color: var(--green);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.endpoint-copied.show { opacity: 1; }

/* --- Params Section ---------------------------------------- */
.param-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.param-tag {
    padding: 8px 16px;
    border-radius: 100px;
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 600;
    border: 1px solid;
    transition: all 0.3s ease;
    cursor: default;
}

.param-tag:hover { transform: scale(1.05); }

.param-tag.json   { background: rgba(0,255,136,0.1); border-color: rgba(0,255,136,0.3); color: var(--green); }
.param-tag.http   { background: rgba(0,240,255,0.1); border-color: rgba(0,240,255,0.3); color: var(--cyan); }
.param-tag.https  { background: rgba(123,47,255,0.1); border-color: rgba(123,47,255,0.3); color: var(--purple); }
.param-tag.img    { background: rgba(255,0,229,0.1); border-color: rgba(255,0,229,0.3); color: var(--magenta); }

/* --- Code Block -------------------------------------------- */
.code-block {
    background: rgba(0,0,0,0.5);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius-sm);
    padding: 20px 24px;
    font-family: var(--font-mono);
    font-size: 14px;
    line-height: 1.8;
    overflow-x: auto;
    white-space: pre;
    position: relative;
}

.code-block .line { display: block; }

/* Syntax colors */
.code-block .key    { color: var(--green); }
.code-block .string { color: var(--yellow); }
.code-block .number { color: var(--blue); }
.code-block .comment{ color: var(--text-muted); font-style: italic; }
.code-block .bracket{ color: var(--text-secondary); }
.code-block .colon  { color: var(--text-muted); }

/* --- Preview Section --------------------------------------- */
.preview-wrapper {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--glass-border);
    transition: all 0.3s ease;
    cursor: pointer;
    background: rgba(0,0,0,0.4);
}

.preview-wrapper:hover {
    border-color: rgba(255,255,255,0.2);
    box-shadow: 0 0 40px rgba(123,47,255,0.1);
}

.preview-img {
    display: block;
    width: 100%;
    height: auto;
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.preview-img.loading { opacity: 0.5; }

.preview-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.preview-wrapper:hover .preview-overlay { opacity: 1; }

.preview-overlay-text {
    font-size: 18px;
    font-weight: 600;
    color: #fff;
    text-shadow: 0 0 20px rgba(0,0,0,0.8);
    letter-spacing: 1px;
}

.preview-hint {
    text-align: center;
    margin-top: 12px;
    font-size: 13px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.preview-hint .sparkle {
    display: inline-block;
    animation: sparkle 1.5s ease-in-out infinite;
}

.preview-hint .sparkle:nth-child(2) { animation-delay: 0.3s; }
.preview-hint .sparkle:nth-child(3) { animation-delay: 0.6s; }

@keyframes sparkle {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50%      { opacity: 1; transform: scale(1.2); }
}

/* Loading spinner */
.spinner {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255,255,255,0.1);
    border-top-color: var(--cyan);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.spinner.show { opacity: 1; }

@keyframes spin { to { transform: translate(-50%,-50%) rotate(360deg); } }

/* --- Footer ------------------------------------------------ */
.footer {
    text-align: center;
    padding: 40px 24px 30px;
    position: relative;
    z-index: 2;
}

.footer-content {
    font-size: 14px;
    color: var(--text-muted);
}

.footer-content a {
    color: var(--cyan);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-content a:hover { color: var(--magenta); }

.footer-divider {
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--purple), transparent);
    margin: 16px auto;
    border-radius: 2px;
}

/* --- Animations -------------------------------------------- */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards;
}

.fade-in:nth-child(2) { animation-delay: 0.1s; }
.fade-in:nth-child(3) { animation-delay: 0.2s; }
.fade-in:nth-child(4) { animation-delay: 0.3s; }
.fade-in:nth-child(5) { animation-delay: 0.4s; }

@keyframes fadeInUp {
    to { opacity: 1; transform: translateY(0); }
}

/* --- Responsive -------------------------------------------- */
@media (max-width: 768px) {
    .main-container { padding: 24px 16px 80px; }
    .hero { padding: 40px 16px 24px; }
    .hero-icon { font-size: 48px; }
    .glass-card { padding: 24px; }
    .stats-row { grid-template-columns: repeat(3, 1fr); gap: 10px; }
    .stat-card { padding: 16px 12px; }
    .stat-value { font-size: 24px; }
    .stat-icon { font-size: 24px; }
    .endpoints-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .stats-row { grid-template-columns: 1fr; }
    .code-block { font-size: 12px; padding: 16px; }
}