:root {
    --bg-dark: #050b18;
    --neon-cyan: #00f3ff;
    --neon-purple: #bc13fe;
    --glass: rgba(255, 255, 255, 0.05);
}

body {
    background-color: var(--bg-dark);
    color: white;
    font-family: 'Rajdhani', sans-serif;
    margin: 0;
    overflow-x: hidden;
}

.background-glow {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: radial-gradient(circle at 50% 50%, #1a237e 0%, #050b18 70%);
    z-index: -1;
}

/* Header & Tag Publi */
.header-top { display: flex; justify-content: center; align-items: center; gap: 20px; margin-top: 20px; }
.neon-text { font-family: 'Orbitron'; letter-spacing: 5px; text-shadow: 0 0 10px var(--neon-cyan); }
.tag-publi { font-family: 'Orbitron'; border: 2px solid var(--neon-cyan); padding: 5px 15px; color: var(--neon-cyan); box-shadow: inset 0 0 8px var(--neon-cyan); }

/* Slots de Video */
.slots-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    padding: 20px;
}

.video-slot {
    background: var(--glass);
    border: 1px solid rgba(0, 243, 255, 0.3);
    border-radius: 15px;
    padding: 20px;
    text-align: center;
    position: relative;
    transition: 0.3s;
    backdrop-filter: blur(10px);
}

.video-slot.active { border-color: var(--neon-cyan); box-shadow: 0 0 15px rgba(0, 243, 255, 0.2); }

.slot-title { font-family: 'Orbitron'; font-size: 0.8rem; margin-bottom: 10px; color: var(--neon-cyan); }

.upload-icon { font-size: 2rem; cursor: pointer; display: block; margin: 10px 0; }

/* Checkbox Futurista */
.checkbox-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 15px;
    font-size: 0.9rem;
}

input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--neon-cyan);
}

/* Modal y Botones */
.auth-modal {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(5, 11, 24, 0.95);
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
}

.auth-box { width: 320px; padding: 40px; text-align: center; border: 1px solid var(--neon-cyan); }
.auth-box input {
    width: 100%; padding: 12px; margin: 10px 0;
    background: rgba(255,255,255,0.1); border: 1px solid var(--neon-cyan);
    color: white; border-radius: 5px; text-align: center;
}

.neon-button {
    font-family: 'Orbitron';
    background: transparent;
    border: 2px solid var(--neon-cyan);
    color: var(--neon-cyan);
    padding: 10px 30px;
    cursor: pointer;
    text-shadow: 0 0 5px var(--neon-cyan);
    transition: 0.3s;
}

.neon-button:hover { background: var(--neon-cyan); color: black; }

.actions-center { display: flex; justify-content: center; margin: 40px 0; }

.exit-btn { border-color: #ff0055; color: #ff0055; text-shadow: 0 0 5px #ff0055; }
.exit-btn:hover { background: #ff0055; color: white; }

.sync-button {
    background: none; border: 1px solid var(--neon-cyan);
    color: var(--neon-cyan); padding: 5px 15px; border-radius: 20px; cursor: pointer;
}