:root {
    /* Cores Premium Neon Dark Theme */
    --bg-primary: #050510;
    --bg-secondary: #0a0a1a;
    --bg-card: rgba(20, 20, 40, 0.7);
    
    --neon-blue: #00f3ff;
    --neon-purple: #bc13fe;
    --neon-pink: #ff00c8;
    
    --text-main: #ffffff;
    --text-muted: #a0a0c0;

    --font-main: 'Outfit', 'Inter', sans-serif;
    
    --glow-blue: 0 0 10px var(--neon-blue), 0 0 20px var(--neon-blue);
    --glow-purple: 0 0 10px var(--neon-purple), 0 0 20px var(--neon-purple);
    --glow-pink: 0 0 10px var(--neon-pink), 0 0 20px var(--neon-pink);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: var(--font-main);
}

body {
    background-color: var(--bg-primary);
    color: var(--text-main);
    overflow-x: hidden;
    min-height: 100vh;
}

/* Fundo Animado Palco (Para TV) */
.stage-bg {
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    background: radial-gradient(circle at center, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    z-index: -2;
}

.stage-lights {
    position: fixed;
    top: -50%; left: -50%; width: 200vw; height: 200vh;
    background: conic-gradient(from 0deg at 50% 0%, transparent 0deg, rgba(188,19,254,0.1) 60deg, transparent 120deg, rgba(0,243,255,0.1) 240deg, transparent 300deg);
    animation: rotateLights 20s linear infinite;
    z-index: -1;
    pointer-events: none;
}

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

/* Typography */
h1, h2, h3 { font-weight: 700; letter-spacing: 1px; }
.text-neon-blue { color: var(--neon-blue); text-shadow: var(--glow-blue); }
.text-neon-pink { color: var(--neon-pink); text-shadow: var(--glow-pink); }
.text-neon-purple { color: var(--neon-purple); text-shadow: var(--glow-purple); }

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    outline: none;
    text-decoration: none;
    text-align: center;
}

.btn-neon {
    background: transparent;
    color: var(--neon-blue);
    border: 2px solid var(--neon-blue);
    box-shadow: 0 0 10px rgba(0,243,255,0.2) inset, 0 0 10px rgba(0,243,255,0.2);
}
.btn-neon:hover {
    background: var(--neon-blue);
    color: #000;
    box-shadow: var(--glow-blue);
}

.btn-pink {
    background: transparent;
    color: var(--neon-pink);
    border: 2px solid var(--neon-pink);
}
.btn-pink:hover {
    background: var(--neon-pink);
    color: #fff;
    box-shadow: var(--glow-pink);
}

/* Cards (Glassmorphism) */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 20px;
}

/* Forms */
.form-control {
    width: 100%;
    padding: 15px;
    background: rgba(0,0,0,0.5);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 10px;
    color: #fff;
    font-size: 1rem;
    margin-bottom: 15px;
    transition: border 0.3s;
}
.form-control:focus {
    outline: none;
    border-color: var(--neon-purple);
    box-shadow: 0 0 10px rgba(188,19,254,0.3);
}

/* Navbar Admin / App */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 5%;
    background: rgba(10,10,26,0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}

/* Mobile App Specific */
.mobile-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
    padding-bottom: 100px; /* espaço pro player fixo */
}

.song-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    transition: background 0.3s;
}
.song-item:hover {
    background: rgba(255,255,255,0.05);
}
.song-info h4 { margin-bottom: 5px; font-size: 1.1rem;}
.song-info p { color: var(--text-muted); font-size: 0.9rem; }

/* Player Fixo Mobile */
.mobile-player {
    position: fixed;
    bottom: 0; left: 0; width: 100%;
    background: var(--bg-secondary);
    border-top: 1px solid var(--neon-purple);
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 -5px 20px rgba(188,19,254,0.2);
    z-index: 1000;
}

.player-controls button {
    background: transparent;
    border: none;
    color: #fff;
    font-size: 1.5rem;
    margin: 0 10px;
    cursor: pointer;
    transition: color 0.3s;
}
.player-controls button:hover {
    color: var(--neon-pink);
}

/* TV Specific - Letras */
.tv-container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100vh;
    text-align: center;
    padding: 50px;
}

.lyrics-container {
    margin-top: 40px;
    height: 40vh;
    overflow: hidden;
    position: relative;
    width: 80%;
}

.lyric-line {
    font-size: 3rem;
    font-weight: 800;
    color: rgba(255,255,255,0.3);
    margin: 20px 0;
    transition: all 0.3s ease-out;
    text-transform: uppercase;
}

.lyric-line.active {
    color: #fff;
    font-size: 4rem;
    text-shadow: var(--glow-blue);
    transform: scale(1.1);
}

/* Duetos */
.lyric-line.cantor1.active { color: #fff; text-shadow: var(--glow-blue); }
.lyric-line.cantor2.active { color: #fff; text-shadow: var(--glow-pink); }
.lyric-line.todos.active { color: #fff; text-shadow: var(--glow-purple); }

/* HUD TV */
.tv-hud-top {
    position: absolute;
    top: 20px; left: 30px; right: 30px;
    display: flex;
    justify-content: space-between;
}

.tv-qr-box {
    position: absolute;
    bottom: 30px; right: 30px;
    text-align: center;
    background: rgba(0,0,0,0.6);
    padding: 15px;
    border-radius: 15px;
    border: 1px solid var(--neon-blue);
}

.tv-qr-box img {
    width: 150px; height: 150px;
    border-radius: 10px;
    margin-bottom: 10px;
}

.tv-next-song {
    position: absolute;
    bottom: 30px; left: 30px;
    background: rgba(0,0,0,0.6);
    padding: 15px 25px;
    border-radius: 15px;
    border-left: 4px solid var(--neon-pink);
}

/* Utils */
.text-center { text-align: center; }
.mt-2 { margin-top: 1rem; }
.mb-2 { margin-bottom: 1rem; }
.mt-4 { margin-top: 2rem; }
.mb-4 { margin-bottom: 2rem; }
.d-none { display: none !important; }