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

body {
    overflow: hidden;
    background: #080808;
    font-family: 'Inter', sans-serif;
    cursor: grab;
}

body:active {
    cursor: grabbing;
}

canvas {
    display: block;
}

.controls {
    position: fixed;
    top: 28px;
    right: 28px;
    z-index: 10;
    display: flex;
    align-items: center;
    gap: 14px;
}

.toggle {
    display: flex;
    align-items: center;
    gap: 10px;
}

.toggle-label {
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #555;
    user-select: none;
}

.toggle-track {
    width: 44px;
    height: 24px;
    background: #2a2a2a;
    border-radius: 12px;
    cursor: pointer;
    position: relative;
    border: 1px solid #333;
    transition: background 0.3s;
}

.toggle-track.on {
    background: #555;
}

.toggle-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #d4d4d8;
    position: absolute;
    top: 2px;
    left: 2px;
    transition: transform 0.3s, background 0.3s;
}

.toggle-track.on .toggle-thumb {
    transform: translateX(20px);
    background: #1c1c1e;
}

.email-btn,
.email-btn:visited,
.email-btn:link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: #1a1a1a;
    border: 1px solid #333;
    color: #888;
    cursor: pointer;
    transition: color 0.3s, border-color 0.3s;
    text-decoration: none;
}

.email-btn:hover {
    color: #D4AF37;
    border-color: #D4AF37;
}

/* ── Loading overlay ── */
.loader-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: #080808;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease;
}

.loader-overlay.fade-out {
    opacity: 0;
    pointer-events: none;
}

.loader-bar-track {
    width: 180px;
    height: 2px;
    background: #1a1a1a;
    border-radius: 1px;
    overflow: hidden;
}

.loader-bar-fill {
    width: 40%;
    height: 100%;
    background: #D4AF37;
    border-radius: 1px;
    animation: loader-slide 1s ease-in-out infinite;
}

@keyframes loader-slide {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(350%); }
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}