/* --- AI LOUNGE AFTER DARK // CINEMATIC INTERFACE --- */
:root {
    --neon-gold: #ffcc00;
    --digital-cyan: #00f2ff;
    --bright-white: #ffffff;
    --bg-black: #050505;
}

@import url('https://fonts.googleapis.com/css2?family=Syncopate:wght@700&family=Orbitron:wght@400;900&family=Share+Tech+Mono&display=swap');

body, html {
    margin: 0; padding: 0;
    background-color: var(--bg-black);
    color: white;
    font-family: 'Orbitron', sans-serif;
    overflow: hidden;
    height: 100vh;
}

/* --- BOOT SYSTEM OVERLAY --- */
#overlay {
    position: fixed;
    inset: 0;
    background: radial-gradient(circle at center, #111, #000);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.scan-line {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 2px;
    background: rgba(0, 242, 255, 0.2);
    box-shadow: 0 0 10px var(--digital-cyan);
    animation: scan 4s linear infinite;
    pointer-events: none;
}

@keyframes scan {
    0% { top: 0%; }
    100% { top: 100%; }
}

.main-brand {
    font-size: clamp(2rem, 8vw, 5rem);
    letter-spacing: 10px;
    color: var(--neon-gold);
    text-shadow: 0 0 20px rgba(255, 204, 0, 0.6);
    margin-bottom: 0;
}

.terminal-loader {
    font-family: 'Share Tech Mono', monospace;
    color: var(--digital-cyan);
    font-size: 0.9rem;
    margin: 20px 0;
    opacity: 0.8;
}

#initialize-btn {
    padding: 15px 40px;
    background: transparent;
    border: 2px solid var(--neon-gold);
    color: var(--neon-gold);
    font-weight: 900;
    letter-spacing: 3px;
    cursor: pointer;
    transition: 0.3s;
    margin-top: 20px;
}

#initialize-btn:hover {
    background: var(--neon-gold);
    color: black;
    box-shadow: 0 0 30px var(--neon-gold);
}

/* --- HUD & FRAMING --- */
#hud {
    position: fixed;
    inset: 0;
    z-index: 500;
    pointer-events: none;
    opacity: 0;
    padding: 40px;
    transition: opacity 2s ease;
}

.hud-frame {
    position: absolute;
    width: 40px; height: 40px;
    border: 2px solid var(--digital-cyan);
}
.top-left { top: 20px; left: 20px; border-right: none; border-bottom: none; }
.top-right { top: 20px; right: 20px; border-left: none; border-bottom: none; }
.bottom-left { bottom: 20px; left: 20px; border-right: none; border-top: none; }
.bottom-right { bottom: 20px; right: 20px; border-left: none; border-top: none; }

.corner-top-left, .corner-top-right, .corner-bottom-left, .corner-bottom-right {
    position: absolute;
    font-size: 0.7rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}
.corner-top-left { top: 40px; left: 40px; }
.corner-top-right { top: 40px; right: 40px; text-align: right; }
.corner-bottom-left { bottom: 40px; left: 40px; }
.corner-bottom-right { bottom: 40px; right: 40px; text-align: right; }

#timer { font-size: 1.5rem; color: var(--bright-white); }
.label { color: rgba(255, 255, 255, 0.4); font-size: 0.6rem; }

/* --- THE LYRICS (MAX CONTRAST) --- */
#lyric-stage {
    position: absolute;
    bottom: 18%; left: 50%;
    transform: translateX(-50%);
    width: 90%;
    text-align: center;
    z-index: 1000;
}

#lyric-text {
    font-family: 'Syncopate', sans-serif;
    font-size: clamp(1.5rem, 5vw, 4rem);
    color: var(--bright-white);
    background: rgba(0, 0, 0, 0.75);
    padding: 25px 50px;
    border-radius: 5px;
    display: inline-block;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-shadow: 2px 2px 0px #000, 0 0 20px rgba(0,0,0,1);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.blink { animation: blinker 1s linear infinite; color: #ff0000; }
@keyframes blinker { 50% { opacity: 0; } }

#canvas-3d { position: fixed; top: 0; left: 0; z-index: 1; }

/* --- BASS PULSE --- */
.bass-hit { animation: vibrate 0.1s linear; }
@keyframes vibrate {
    0% { transform: scale(1); }
    50% { transform: scale(1.005); filter: brightness(1.2); }
    100% { transform: scale(1); }
}