/* ========== PRELOADER ========== */
#preloader {
    position: fixed;
    inset: 0;
    z-index: 100000;
    background: #030406;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: opacity 0.8s cubic-bezier(0.76, 0, 0.24, 1), visibility 0.8s;
}

#preloader.done {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.preloader-logo {
    font-family: var(--font-mono);
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: #fff;
    margin-bottom: 2.5rem;
    opacity: 0;
    transform: translateY(20px);
}

.preloader-logo .accent {
    color: var(--color-primary);
}

.preloader-bar-wrap {
    width: min(280px, 70vw);
    height: 2px;
    background: rgba(255,255,255,0.08);
    border-radius: 2px;
    overflow: hidden;
    position: relative;
}

.preloader-bar {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, #ffffff, #888888, #ffffff);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.7);
    transition: width 0.1s linear;
}

.preloader-percent {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-dim);
    margin-top: 1rem;
    letter-spacing: 0.15em;
    opacity: 0;
}

.preloader-sound-hint {
    display: none;
}

.preloader-start-btn {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: #ffffff;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border-bright);
    padding: 12px 28px;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 2rem;
    opacity: 0;
    transform: translateY(10px);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.08);
}

.preloader-start-btn:hover {
    background: #ffffff;
    color: #000000;
    box-shadow: 0 0 30px rgba(255, 255, 255, 0.4);
    transform: translateY(10px) scale(1.04);
}

/* ========== GRAIN OVERLAY ========== */
.grain {
    position: fixed;
    inset: 0;
    z-index: 9990;
    pointer-events: none;
    opacity: 0.035;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    background-repeat: repeat;
    background-size: 180px;
    mix-blend-mode: overlay;
}