/* Base Variables & Reset */
:root {
    --color-void: #05050a;
    --color-holo: #00f0ff;
    --color-holo-dim: rgba(0, 240, 255, 0.2);
    --color-nebula: #b026ff;
    --color-pink: #ec4899;
    --color-text-primary: #e2e8f0;
    --color-text-muted: #94a3b8;
    --color-glass-bg: rgba(255, 255, 255, 0.03);
    --color-glass-border: rgba(255, 255, 255, 0.1);
    
    --volume-track: rgba(255, 255, 255, 0.1);
    --volume-fill: #00f0ff;
    
    --font-display: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: monospace;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-void);
    color: var(--color-text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    padding-bottom: 90px;
    -webkit-font-smoothing: antialiased;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}

/* Typography & Utilities */
.text-holo { color: var(--color-holo); }
.text-nebula { color: var(--color-nebula); }
.text-pink { color: var(--color-pink); }
.text-muted { color: var(--color-text-muted); }
.form-mono { font-family: var(--font-mono); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.1em; }
.hover-holo:hover { color: var(--color-holo); }
.hover-nebula:hover { color: var(--color-nebula); }
.hover-pink:hover { color: var(--color-pink); }
.text-gradient {
    background: linear-gradient(to right, var(--color-holo), var(--color-nebula));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.no-margin { margin: 0 !important; }
.block-margin { margin-bottom: 2rem; }
.max-margin { margin-bottom: 3rem; }
.relative { position: relative; }
.z-10 { z-index: 10; }
.overflow-hidden { overflow: hidden; }

/* Layout Grid */
.container {
    max-width: 1152px;
    margin: 0 auto;
    padding: 0 1.5rem;
}
.container-sm { max-width: 800px; }
.section { 
    padding: 6rem 0; 
    min-height: 100vh; 
    min-height: 100dvh; 
    display: flex; 
    flex-direction: column; 
    justify-content: center; 
    scroll-margin-top: 80px; 
}
.section-header { margin-bottom: 3rem; text-align: center; }
.section-title { font-family: var(--font-display); font-size: clamp(1.75rem, 5vw, 3rem); font-weight: 700; margin-bottom: 1rem; }
.section-subtitle { color: var(--color-text-muted); max-width: 600px; margin: 0 auto; }
.section-grid { display: grid; gap: 4rem; grid-template-columns: 1fr; }
@media (min-width: 768px) { .section-grid { grid-template-columns: 1fr 1fr; gap: 4rem; } }
.align-center { align-items: center; }
.row-between { display: flex; justify-content: space-between; align-items: flex-end; }
.wrap-gap { gap: 1.5rem; flex-wrap: wrap; }
@media (max-width: 767px) {
    .row-between { flex-direction: column; align-items: flex-start; gap: 1rem; }
}

/* Glassmorphism Components */
.glass-panel {
    background: var(--color-glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--color-glass-border);
    border-radius: 1rem;
    transition: transform 0.3s ease, border-color 0.3s ease;
}
.glass-nav { background: rgba(5, 5, 10, 0.7); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); }
.bg-dim { background-color: rgba(0,0,0,0.4); }
.border-b { border-bottom: 1px solid var(--color-glass-border); }
.border-y { border-top: 1px solid var(--color-glass-border); border-bottom: 1px solid var(--color-glass-border); }

/* Navigation */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 50;
    display: flex; justify-content: space-between; align-items: center;
    padding: 0.75rem 1rem;
    padding-top: max(0.75rem, env(safe-area-inset-top));
    border-bottom: 1px solid rgba(255,255,255,0.05);
    background: rgba(5, 5, 10, 0.85); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
}
@media (min-width: 768px) { .navbar { padding: 1rem 3rem; } }
.brand { font-family: var(--font-display); font-size: clamp(1rem, 3vw, 1.25rem); font-weight: bold; letter-spacing: 0.1em; white-space: nowrap; }
.nav-links { display: none; gap: 1.5rem; font-size: 0.8rem; font-weight: 600; letter-spacing: 0.15em; text-transform: uppercase; }
@media (min-width: 768px) { .nav-links { display: flex; align-items: center; gap: 2.5rem; } }
.nav-item { position: relative; padding: 0.5rem 0; }
.nav-item:hover { color: var(--color-holo); }
.nav-item.active { color: var(--color-holo); }
.nav-item::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 1px; background: var(--color-holo); transition: width 0.3s ease; box-shadow: 0 0 10px var(--color-holo); }
.nav-item.active::after { width: 100%; }
.signal-btn { color: var(--color-nebula); text-shadow: 0 0 10px rgba(176,38,255,0.5); font-weight: 700; }
.signal-btn::after { background: var(--color-nebula); box-shadow: 0 0 10px var(--color-nebula); }
.mobile-menu-btn { display: flex; flex-direction: column; gap: 5px; cursor: pointer; padding: 0.5rem; }
@media (min-width: 768px) { .mobile-menu-btn { display: none; } }
.mobile-menu-btn span { width: 25px; height: 2px; background: white; transition: 0.3s; }
.mobile-menu { display: none; position: fixed; inset: 0; background: var(--color-void); z-index: 40; flex-direction: column; justify-content: center; align-items: center; gap: 2rem; font-size: 1.5rem; font-family: var(--font-display); }
.mobile-menu.active { display: flex; }

/* Buttons */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 0.75rem 2rem; border-radius: 0.5rem; font-weight: 500;
    transition: all 0.3s ease; cursor: pointer; text-transform: uppercase; font-size: 0.875rem; letter-spacing: 0.05em;
}
.btn-primary { background: var(--color-text-primary); color: var(--color-void); }
.btn-primary:hover { background: var(--color-holo); box-shadow: 0 0 20px var(--color-holo-dim); }
.btn-secondary { background: transparent; border: 1px solid var(--color-glass-border); color: var(--color-text-primary); }
.btn-secondary:hover { border-color: var(--color-holo); color: var(--color-holo); }
.cta-group { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* Hero */
.hero { text-align: center; position: relative; min-height: 100vh; min-height: 100dvh; padding-top: 5rem; }
.hero-bg-glow { position: absolute; inset: 0; background: radial-gradient(circle at center, var(--color-holo-dim) 0%, transparent 60%); opacity: 0.3; z-index: 0; }
.hero-content { position: relative; z-index: 10; padding: 0 1rem; }
@media (min-width: 768px) { .hero-content { padding: 0 1.5rem; } }
.hero-title { font-family: var(--font-display); font-size: clamp(2rem, 8vw, 6rem); font-weight: 800; letter-spacing: -0.05em; margin-bottom: 1rem; line-height: 1.1; word-break: break-word; }
.hero-subtitle { font-size: clamp(0.9rem, 2.5vw, 1.5rem); font-weight: 300; color: var(--color-text-muted); max-width: 42rem; margin: 0 auto 2rem; padding: 0 0.5rem; }

/* About Section */
.about-panel { padding: 2.5rem; position: relative; overflow: hidden; }
.panel-content { position: relative; z-index: 10; }
.about-features { display: flex; flex-direction: column; gap: 2rem; }
.feature-item { display: flex; gap: 1.5rem; align-items: flex-start; }
.icon-box { width: 3rem; height: 3rem; border-radius: 50%; display: flex; justify-content: center; align-items: center; font-size: 1.25rem; background: var(--color-glass-bg); border: 1px solid var(--color-glass-border); flex-shrink: 0; }
.icon-holo { color: var(--color-holo); }
.icon-nebula { color: var(--color-nebula); }
.icon-pink { color: var(--color-pink); }
.feature-text h3 { font-family: var(--font-display); font-size: 1.25rem; margin-bottom: 0.5rem; }
.feature-text p { font-size: 0.875rem; color: var(--color-text-muted); }

/* Projects */
.projects-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; }
@media (min-width: 768px) { .projects-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .projects-grid { grid-template-columns: repeat(3, 1fr); } }
.project-card { display: flex; flex-direction: column; overflow: hidden; }
.project-card:hover { transform: translateY(-5px); border-color: rgba(255,255,255,0.2); }
.project-img { height: 14rem; overflow: hidden; position: relative; display: block; }
.project-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1); filter: brightness(0.8) contrast(1.1); }
.project-card:hover .project-img img { transform: scale(1.05); filter: brightness(1) contrast(1.1); }
.project-label { position: absolute; top: 1.25rem; right: 1.25rem; font-family: var(--font-display); font-weight: 700; text-transform: uppercase; letter-spacing: 0.25em; font-size: 0.7rem; color: #fff; background: rgba(0,0,0,0.5); backdrop-filter: blur(8px); padding: 0.4rem 0.8rem; border-radius: 4px; border: 1px solid rgba(255,255,255,0.1); z-index: 5; pointer-events: none; }
.img-holo { border-bottom: 2px solid var(--color-holo); }
.img-nebula { border-bottom: 2px solid var(--color-nebula); }
.img-pink { border-bottom: 2px solid var(--color-pink); }
.project-info { padding: 1.5rem; display: flex; flex-direction: column; flex-grow: 1; }
.project-info h3 { font-family: var(--font-display); font-size: 1.25rem; margin-bottom: 0.5rem; transition: color 0.3s; }
.project-info p { font-size: 0.875rem; color: var(--color-text-muted); margin-bottom: 1.5rem; flex-grow: 1; }
.tags { display: flex; gap: 0.5rem; margin-bottom: 1.5rem; flex-wrap: wrap; }
.tag { font-size: 0.75rem; padding: 0.25rem 0.75rem; border-radius: 999px; background: rgba(255,255,255,0.05); color: var(--color-text-muted); }
.project-link { font-size: 0.875rem; font-weight: 500; display: inline-flex; align-items: center; gap: 0.5rem; }
.link-holo:hover { color: var(--color-holo); }
.link-nebula:hover { color: var(--color-nebula); }
.link-pink:hover { color: var(--color-pink); }

/* Sonic Lab */
.media-player { padding: 1.5rem; border-radius: 1rem; display: flex; justify-content: space-between; align-items: center; cursor: pointer; transition: 0.3s; }
.media-player:hover { border-color: rgba(176,38,255,0.5); }
.player-left { display: flex; align-items: center; gap: 1rem; }
.play-btn { width: 3rem; height: 3rem; border-radius: 50%; background: rgba(176,38,255,0.2); display: flex; justify-content: center; align-items: center; color: var(--color-nebula); transition: 0.3s; }
.media-player:hover .play-btn { background: rgba(176,38,255,0.4); }
.track-info h4 { font-weight: 600; font-size: 1rem; margin-bottom: 0.25rem; }
.track-info p { font-size: 0.75rem; color: var(--color-text-muted); }
.audio-visualizer { display: flex; gap: 3px; align-items: center; height: 24px; }
.bar { width: 4px; background: var(--color-nebula); border-radius: 2px; }
.sonic-visual { position: relative; width: 100%; aspect-ratio: 1/1; display: flex; justify-content: center; align-items: center; }
.orbit-ring { position: absolute; border-radius: 50%; border: 1px solid rgba(255,255,255,0.1); top: 50%; left: 50%; transform: translate(-50%, -50%); }
.ring-1 { width: 80%; height: 80%; }
/* Sonic Lab Rework */
/* Sonic Lab Rework */
.sonic-lab-grid { display: grid; grid-template-columns: 1fr; gap: 3rem; align-items: stretch; }
@media (min-width: 992px) { .sonic-lab-grid { grid-template-columns: 1.2fr 1fr; } }
.lab-bio { text-align: left; height: 100%; }
.radio-portal { display: flex; flex-direction: column; gap: 1.5rem; height: 100%; }
.spotify-embed { border-radius: 12px; overflow: hidden; background: #000; box-shadow: 0 10px 30px rgba(0,0,0,0.5); flex: 1; display: flex; }
.spotify-embed iframe { flex: 1; min-height: 450px; }

/* Observatory Section */
.logs-list { display: flex; flex-direction: column; gap: 1.5rem; }
.log-entry { padding: 2rem; transition: transform 0.3s ease; }
.log-entry:hover { transform: translateY(-5px); }
.log-content { flex: 1; }
.log-content time { display: block; margin-bottom: 0.5rem; font-size: 0.75rem; }
.log-content h3 { font-family: var(--font-display); font-size: 1.5rem; margin-bottom: 1rem; transition: 0.3s; }
.log-content p { color: var(--color-text-muted); font-size: 0.875rem; max-width: 48rem; }
@media (min-width: 768px) {
    .log-entry { display: flex; justify-content: space-between; align-items: center; gap: 2rem; }
}
.arrow-btn { width: 3rem; height: 3rem; border-radius: 50%; border: 1px solid rgba(255,255,255,0.2); display: flex; justify-content: center; align-items: center; margin-top: 1rem; transition: 0.3s; flex-shrink: 0; }
@media (min-width: 768px) { .arrow-btn { margin-top: 0; } }
.log-entry:hover .btn-holo { border-color: var(--color-holo); color: var(--color-holo); }
.log-entry:hover .btn-nebula { border-color: var(--color-nebula); color: var(--color-nebula); }

/* Signal Section */
.signal-bg { position: absolute; inset: 0; background: radial-gradient(ellipse at center, var(--color-holo-dim), var(--color-void), var(--color-void)); z-index: 0; }
.p-large { padding: 2rem; }
@media (min-width: 768px) { .p-large { padding: 4rem; } }
.radius-large { border-radius: 2rem; }
.social-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; margin-bottom: 3rem; }
@media (min-width: 768px) { .social-grid { grid-template-columns: repeat(4, 1fr); } }
.social-btn { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 0.75rem; padding: 1.5rem; background: var(--color-glass-bg); border: 1px solid var(--color-glass-border); border-radius: 1rem; transition: 0.3s; }
.social-btn:hover { background: rgba(255,255,255,0.05); }
.social-btn .icon { font-size: 1.5rem; transition: 0.3s; }
.social-btn:hover .icon { transform: translateY(-3px); }
.social-btn .label { font-size: 0.65rem; font-family: var(--font-mono); text-transform: uppercase; color: var(--color-text-muted); letter-spacing: 0.1em; transition: 0.3s; white-space: nowrap; }
.social-btn:hover .label { color: var(--color-text-primary); }
.wallet-box { display: flex; align-items: center; justify-content: center; gap: 0.75rem; background: rgba(255,255,255,0.05); padding: 0.75rem 1rem; border-radius: 0.75rem; border: 1px solid var(--color-glass-border); max-width: 24rem; margin: 0 auto; font-family: var(--font-mono); font-size: 0.7rem; }
@media (min-width: 768px) { .wallet-box { font-size: 0.75rem; padding: 1rem; gap: 1rem; } }
.wallet-address { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 120px; color: var(--color-text-primary); }
@media (min-width: 768px) { .wallet-address { max-width: 150px; } }
.copy-btn { background: none; border: none; color: var(--color-text-muted); cursor: pointer; transition: 0.3s; font-size: 1rem; }
.copy-btn:hover { color: var(--color-text-primary); }

/* Footer */
.footer { padding: 2rem 0; padding-bottom: max(2rem, env(safe-area-inset-bottom)); position: relative; z-index: 10; font-size: 0.75rem; }
@media (min-width: 768px) { .footer { padding: 3rem 0; } }
.status-indicator { display: flex; align-items: center; gap: 0.5rem; font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.1em; color: var(--color-text-muted); font-size: 0.65rem; }
@media (min-width: 768px) { .status-indicator { font-size: 0.75rem; } }
.dot { width: 8px; height: 8px; border-radius: 50%; }
.footer-center { text-align: center; }
.footer-brand { font-family: var(--font-display); font-size: 1rem; font-weight: 500; letter-spacing: 0.1em; margin-bottom: 0.25rem; }
@media (min-width: 768px) { .footer-brand { font-size: 1.125rem; } }
.footer-tagline { color: var(--color-text-muted); font-family: var(--font-mono); font-size: 0.65rem; }
.footer-copy { font-family: var(--font-mono); color: var(--color-text-muted); }

/* Tracklist Grid (indivision.html) */
.tracklist-grid { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
@media (min-width: 640px) { .tracklist-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .tracklist-grid { grid-template-columns: repeat(4, 1fr); } }

.track-card { position: relative; overflow: hidden; display: flex; flex-direction: column; cursor: pointer; border: 1px solid var(--color-glass-border); border-radius: 1rem; transition: transform 0.3s ease, box-shadow 0.3s ease; }
.track-card:hover { transform: translateY(-5px); box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 15px var(--color-holo-dim); border-color: var(--color-holo); }

.track-art { position: relative; width: 100%; aspect-ratio: 1/1; overflow: hidden; background: #000; }
.track-art img, .track-art video { width: 100%; height: 100%; object-fit: cover; opacity: 0.8; transition: opacity 0.5s ease, transform 0.5s ease; filter: saturate(0.8); }
.track-card:hover .track-art img, .track-card:hover .track-art video { opacity: 1; transform: scale(1.05); filter: saturate(1.2); }

.track-number { position: absolute; top: 1rem; left: 1rem; background: rgba(0,0,0,0.7); backdrop-filter: blur(4px); padding: 0.25rem 0.5rem; border-radius: 0.5rem; font-family: var(--font-mono); font-size: 0.75rem; color: var(--color-text-primary); border: 1px solid rgba(255,255,255,0.1); }

.track-detail { padding: 1.5rem; text-align: center; background: rgba(5, 5, 10, 0.9); flex: 1; display: flex; align-items: center; justify-content: center; border-top: 1px solid rgba(255,255,255,0.05); }
.track-detail h3 { margin: 0; font-size: 1.125rem; transition: 0.3s; }
.track-card:hover .track-detail h3 { color: var(--color-holo); }

.play-overlay { position: absolute; top: calc(50% - 2rem); left: 50%; width: 3.5rem; height: 3.5rem; margin-top: -1.75rem; margin-left: -1.75rem; border-radius: 50%; background: rgba(0,0,0,0.5); backdrop-filter: blur(4px); pointer-events: none; display: flex; justify-content: center; align-items: center; font-size: 1.25rem; color: rgba(255,255,255,0.8); opacity: 0; transform: scale(0.5); transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275); }
@media (min-width: 768px) { .play-overlay { width: 4rem; height: 4rem; margin-top: -2rem; margin-left: -2rem; font-size: 1.5rem; } }
.track-card:hover .play-overlay, .track-card:active .play-overlay { opacity: 1; transform: scale(1); }
.track-card.active-track { border-color: rgba(255, 200, 50, 0.3); box-shadow: 0 0 20px rgba(255, 200, 50, 0.1); overflow: visible; }
.track-card.active-track .play-overlay { opacity: 1; transform: scale(1); }
.track-card.active-track .track-art { overflow: hidden; }

/* Golden Spark — JS-driven particle that orbits the active track border */
.golden-spark {
    position: absolute;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 250, 200, 1) 0%, rgba(255, 215, 0, 0.9) 40%, transparent 70%);
    box-shadow:
        0 0 6px 2px rgba(255, 215, 0, 0.9),
        0 0 14px 4px rgba(255, 200, 50, 0.5),
        0 0 30px 8px rgba(255, 180, 0, 0.2);
    pointer-events: none;
    z-index: 20;
    transform: translate(-50%, -50%);
    will-change: left, top;
}

/* Trailing glow particles (spawned by JS) */
.spark-trail {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 215, 0, 0.6) 0%, transparent 70%);
    pointer-events: none;
    z-index: 19;
    transform: translate(-50%, -50%);
    animation: spark-trail-fade 0.6s ease-out forwards;
}

@keyframes spark-trail-fade {
    from { opacity: 1; transform: translate(-50%, -50%) scale(1); }
    to { opacity: 0; transform: translate(-50%, -50%) scale(0.3); }
}



/* Progress Bars (Hero Player) */
.player-right-group { display: flex; align-items: center; gap: 0.75rem; flex: 1; justify-content: flex-end; }
.progress-bar-container { flex: 1; max-width: 200px; height: 4px; background: rgba(255,255,255,0.1); border-radius: 2px; cursor: pointer; position: relative; }
.progress-bar-fill { height: 100%; background: var(--color-nebula); border-radius: 2px; width: 0%; transition: width 0.1s linear; }
.track-time { font-size: 0.7rem; min-width: 32px; }

/* Immersive Toggle Base & Shifted States */
#immersive-toggle { position: fixed; bottom: 1rem; right: 1rem; z-index: 100; border-radius: 99px; padding: 0.6rem 1.2rem; font-family: var(--font-display); font-weight: bold; cursor: pointer; border: 1px solid var(--color-holo); box-shadow: 0 0 15px rgba(0,240,255,0.2); transition: bottom 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), background 0.3s, transform 0.3s; background: rgba(5,5,10,0.85); font-size: 0.8rem; }
@media (min-width: 768px) { #immersive-toggle { bottom: 2rem; right: 2rem; padding: 0.75rem 1.5rem; font-size: 1rem; } }
#immersive-toggle:hover { transform: scale(1.05); background: rgba(10,10,20,0.9); }
#immersive-toggle.shifted { bottom: 5.5rem; }
@media (min-width: 768px) { #immersive-toggle.shifted { bottom: 6.5rem; } }

/* Transport Controls */
.controls-group { display: flex; align-items: center; gap: 0.5rem; }
.np-ctrl-btn { width: 2.25rem; height: 2.25rem; border-radius: 50%; display: flex; justify-content: center; align-items: center; cursor: pointer; transition: 0.3s; color: rgba(255,255,255,0.6); font-size: 0.75rem; }
.np-ctrl-btn:hover { color: var(--color-holo); background: rgba(0, 240, 255, 0.1); }
.np-play-btn { width: 2.75rem; height: 2.75rem; border-radius: 50%; background: linear-gradient(135deg, rgba(176,38,255,0.2), rgba(0,240,255,0.2)); border: 1px solid rgba(0,240,255,0.3); display: flex; justify-content: center; align-items: center; color: var(--color-holo); cursor: pointer; transition: 0.3s; font-size: 1rem; flex-shrink: 0; box-shadow: 0 0 15px rgba(0,240,255,0.1); }
.np-play-btn:hover { background: rgba(176,38,255,0.3); transform: scale(1.1); box-shadow: 0 0 20px rgba(0,240,255,0.2); }

.np-time { font-size: 0.7rem; min-width: 32px; }

.hero-art-thumb { width: 3.5rem; height: 3.5rem; border-radius: 4px; overflow: hidden; border: 1px solid rgba(255,255,255,0.1); flex-shrink: 0; }
.hero-art-thumb img { width: 100%; height: 100%; object-fit: cover; }

/* Now Playing Bar */
.now-playing-bar {
    position: fixed;
    bottom: 0; left: 0; right: 0;
    z-index: 50;
    padding: 0.5rem 0.75rem;
    padding-bottom: max(0.5rem, env(safe-area-inset-bottom));
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(5, 5, 10, 0.7);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-top: 1px solid rgba(0, 240, 255, 0.15);
    box-shadow: 0 -10px 40px rgba(0,0,0,0.5);
}

/* Back to Top Portal */
.back-to-top {
    position: fixed;
    bottom: 100px;
    left: -150px;
    z-index: 1000;
    width: 40px;
    height: 120px;
    background: rgba(0, 240, 255, 0.05);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(0, 240, 255, 0.15);
    border-left: none;
    border-radius: 0 8px 8px 0;
    display: flex;
    align-items: center;
    justify-content: center;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    color: var(--color-holo);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.3em;
    cursor: pointer;
    transition: all 0.6s cubic-bezier(0.19, 1, 0.22, 1);
    opacity: 0;
}

.back-to-top.active {
    left: 0;
    opacity: 1;
    box-shadow: 10px 0 30px rgba(0, 240, 255, 0.1);
}

.back-to-top:hover {
    background: rgba(0, 240, 255, 0.2);
    color: #fff;
    padding-left: 5px;
}

.back-to-top span {
    transform: rotate(180deg);
}
@media (min-width: 768px) {
    .now-playing-bar { 
        padding: 0.75rem 2rem; 
        gap: 1rem; 
        position: relative; /* Anchor for background canvas */
        overflow: hidden;
    }
}
.np-left { display: flex; align-items: center; gap: 0.5rem; flex: 1; min-width: 0; }
@media (min-width: 768px) { .np-left { gap: 1rem; } }
.np-info { display: flex; flex-direction: column; min-width: 0; }
.np-transmission { font-size: 0.6rem; opacity: 0.6; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
@media (min-width: 768px) { .np-transmission { font-size: 0.7rem; } }
.np-title { font-size: 0.85rem; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
@media (min-width: 768px) { .np-title { font-size: 1rem; } }
.np-artist { font-size: 0.65rem; white-space: nowrap; }
.np-right { display: flex; align-items: center; gap: 0.5rem; flex-shrink: 0; }
.np-progress { flex: 1; max-width: 120px; height: 3px; background: rgba(255,255,255,0.1); border-radius: 2px; cursor: pointer; }
@media (min-width: 768px) { .np-progress { max-width: 200px; height: 4px; } }
.np-progress-fill { height: 100%; background: var(--color-holo); border-radius: 2px; width: 0%; transition: width 0.1s linear; }

/* ===== MOBILE OVERRIDES ===== */
@media (max-width: 767px) {
    .section { padding: 3rem 0; }
    .section-header { margin-bottom: 2rem; }
    .container { padding: 0 1rem; }
    .about-panel { padding: 1.5rem; }
    .feature-item { gap: 1rem; }
    .feature-text h3 { font-size: 1.1rem; }
    .feature-text p { font-size: 0.8rem; }
    .log-content h3 { font-size: 1.2rem; }
    .log-entry { padding: 1.25rem; }
    .social-btn { padding: 1rem; gap: 0.5rem; }
    .p-large { padding: 1.25rem; }
    .cta-group { flex-direction: column; align-items: stretch; }
    .cta-group .btn { text-align: center; }
    .hero { padding-top: 4rem; }
    .track-detail h3 { font-size: 0.95rem; }
    .track-detail { padding: 1rem; }
    .controls-group { gap: 0.25rem; }
    .np-ctrl-btn { width: 2rem; height: 2rem; font-size: 0.65rem; }
    .np-play-btn { width: 2.25rem; height: 2.25rem; font-size: 0.85rem; }
}

/* ===== VOLUME CONTROLS ===== */
.volume-control {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-left: 0.5rem;
    position: relative;
    z-index: 10;
}

.volume-icon {
    font-size: 0.85rem;
    opacity: 0.5;
    transition: 0.3s;
    cursor: pointer;
}
.volume-control:hover .volume-icon { opacity: 0.9; color: var(--color-holo); }

.volume-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 60px;
    height: 4px;
    background: var(--volume-track);
    border-radius: 2px;
    outline: none;
    transition: width 0.3s ease;
}

@media (min-width: 768px) {
    .volume-slider { width: 80px; }
    .volume-slider:hover { width: 100px; }
}

/* Slider Thumb (Webkit) */
.volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--volume-fill);
    cursor: pointer;
    box-shadow: 0 0 10px var(--color-holo-dim);
    border: none;
    transition: transform 0.2s ease;
}
.volume-slider::-webkit-slider-thumb:hover { transform: scale(1.2); box-shadow: 0 0 15px var(--color-holo); }

/* Slider Thumb (Firefox) */
.volume-slider::-moz-range-thumb {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--volume-fill);
    cursor: pointer;
    box-shadow: 0 0 10px var(--color-holo-dim);
    border: none;
    transition: transform 0.2s ease;
}
.volume-slider::-moz-range-thumb:hover { transform: scale(1.2); box-shadow: 0 0 15px var(--color-holo); }

/* Web3 Mission Portal Button */
.web3-portal-btn {
    display: inline-block;
    padding: 2px 10px;
    margin-left: 8px;
    border: 1px solid rgba(0, 255, 255, 0.3);
    border-radius: 4px;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 0.75rem;
    font-family: var(--font-mono);
    background: rgba(0, 255, 255, 0.05);
    vertical-align: middle;
    letter-spacing: 0.05em;
    font-weight: 500;
}

.web3-portal-btn:hover {
    border-color: rgba(0, 255, 255, 0.9);
    background: rgba(0, 255, 255, 0.15);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.4);
    color: #fff !important;
    animation: text-flicker 0.4s infinite alternate;
}

@keyframes text-flicker {
    0% { opacity: 1; }
    50% { opacity: 0.8; }
    100% { opacity: 1; }
}

/* Cosmic Flux Visualizer (Background Layer) */
#npVisualizer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100% !important;
    height: 100% !important;
    z-index: -1;
    pointer-events: none;
    opacity: 0.6;
    mix-blend-mode: screen;
}

@media (max-width: 767px) {
    .now-playing-bar {
        position: relative;
        overflow: hidden;
    }
}