/* ==========================================================================
   METAL MANIAX HIGH-GAIN BROADCAST AMPLIFIER & MEDIA PLAYER
   Metal Culture: Skulls, Daggers, Swords, Demons, Trolls, 7-Band EQ & VU Meters
   Powered by 440Music.com
   ========================================================================== */

:root {
    --metal-chassis-bg: #07080b;
    --metal-faceplate-bg: linear-gradient(180deg, #181b24 0%, #101219 40%, #090a0e 100%);
    --metal-border: #333a4c;
    --metal-red: #ef4444;
    --metal-crimson: #dc2626;
    --metal-blood: #991b1b;
    --metal-fire: #f97316;
    --metal-amber: #f59e0b;
    --metal-gold: #fbbf24;
    --metal-steel: #94a3b8;
    --metal-text-primary: #f8fafc;
    --metal-text-muted: #64748b;
    --metal-meter-border: #4d1c1c;
    --metal-meter-glow: 0 0 20px rgba(239, 68, 68, 0.35);
    --metal-slider-track: #151821;
}

/* --------------------------------------------------------------------------
   Media Player Container & Track Header
   -------------------------------------------------------------------------- */
.metal-player-container {
    max-width: 1200px;
    margin: 0 auto 3rem auto;
    padding: 0 1.5rem;
}

.metal-player-wrapper {
    background: #0d0f15;
    border: 1px solid var(--metal-border);
    border-radius: 12px;
    padding: 1.75rem;
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.85);
    position: relative;
    background-image: 
        radial-gradient(circle at 15% 15%, rgba(239, 68, 68, 0.08), transparent 40%),
        radial-gradient(circle at 85% 85%, rgba(245, 158, 11, 0.06), transparent 40%);
}

/* Playlist / Episode Selector Tabs */
.metal-playlist-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.metal-playlist-card {
    background: #141720;
    border: 1px solid var(--metal-border);
    border-radius: 8px;
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    user-select: none;
    position: relative;
    overflow: hidden;
}

.metal-playlist-card:hover {
    border-color: var(--metal-red);
    background: #191d28;
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(239, 68, 68, 0.25);
}

.metal-playlist-card.is-active {
    border-color: var(--metal-red);
    background: linear-gradient(135deg, #1f2330 0%, #151822 100%);
    box-shadow: 0 0 18px rgba(239, 68, 68, 0.35), inset 0 0 0 1px rgba(239, 68, 68, 0.5);
}

.metal-playlist-icon {
    width: 48px;
    height: 48px;
    border-radius: 8px;
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--metal-red);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.metal-icon-svg {
    width: 28px;
    height: 28px;
    filter: drop-shadow(0 0 4px rgba(239, 68, 68, 0.5));
}

.metal-playlist-card.is-active .metal-playlist-icon {
    background: var(--metal-red);
    color: #ffffff;
    box-shadow: 0 0 14px rgba(239, 68, 68, 0.7);
}

.metal-playlist-info {
    flex: 1;
    min-width: 0;
}

.metal-playlist-badge {
    font-size: 0.7rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--metal-amber);
    display: block;
    margin-bottom: 2px;
}

.metal-playlist-title {
    color: #ffffff;
    font-size: 0.98rem;
    font-weight: 900;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.metal-playlist-sub {
    color: var(--metal-text-muted);
    font-size: 0.8rem;
    margin-top: 2px;
}

/* Now-Playing Banner */
.metal-now-playing-banner {
    margin-bottom: 1.25rem;
    background: #080a0e;
    border: 1px solid #222736;
    border-left: 3px solid var(--metal-red);
    border-radius: 8px;
    padding: 1rem 1.25rem;
}

.metal-streaming-eyebrow {
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--metal-amber);
    display: flex;
    align-items: center;
    gap: 6px;
}

.metal-demon-glow {
    filter: drop-shadow(0 0 6px rgba(239, 68, 68, 0.8));
}

.metal-now-playing-title {
    color: #ffffff;
    font-size: 1.3rem;
    font-weight: 900;
    margin-bottom: 6px;
    text-transform: uppercase;
}

.metal-now-playing-desc {
    color: var(--metal-text-muted);
    font-size: 0.88rem;
    line-height: 1.5;
    margin: 0;
}

/* --------------------------------------------------------------------------
   Amplifier Chassis & Faceplate Structure with Gothic Skull Rivets
   -------------------------------------------------------------------------- */
.metal-amp-chassis {
    background: var(--metal-chassis-bg);
    border: 2px solid #2a3040;
    border-radius: 10px;
    box-shadow: 0 14px 44px rgba(0, 0, 0, 0.95), inset 0 0 0 1px rgba(255, 255, 255, 0.08);
    position: relative;
    overflow: hidden;
    margin-bottom: 1rem;
}

/* 4 Machined Industrial Chrome Hex Bolts in Corners */
.metal-hex-bolt {
    position: absolute;
    width: 22px;
    height: 22px;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    filter: drop-shadow(0 2px 5px rgba(0, 0, 0, 0.95));
    transition: transform 0.25s ease, filter 0.25s ease;
}

.metal-hex-bolt:hover {
    filter: drop-shadow(0 0 8px rgba(203, 213, 225, 0.8));
    transform: rotate(15deg) scale(1.05);
}

.metal-bolt-tl { top: 7px; left: 7px; }
.metal-bolt-tr { top: 7px; right: 7px; }
.metal-bolt-bl { bottom: 7px; left: 7px; }
.metal-bolt-br { bottom: 7px; right: 7px; }

.metal-hex-bolt-svg {
    width: 100%;
    height: 100%;
    display: block;
}

.metal-amp-faceplate {
    background: var(--metal-faceplate-bg);
    padding: 20px 24px 22px;
    position: relative;
    border: 1px solid #1c212f;
}

/* Header Row / Brand Title */
.metal-header-row {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 16px;
    border-bottom: 1px solid rgba(239, 68, 68, 0.3);
    padding-bottom: 12px;
}

.metal-brand-title {
    color: #ffffff;
    font-size: 1.15rem;
    font-weight: 900;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    text-shadow: 0 0 12px rgba(239, 68, 68, 0.6);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.metal-brand-accent {
    color: var(--metal-red);
}

.metal-sword-icon,
.metal-skull-icon-small {
    font-size: 1.15rem;
    filter: drop-shadow(0 0 6px rgba(239, 68, 68, 0.6));
}

.metal-badges-row {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}

.metal-model-badge {
    color: var(--metal-amber);
    font-size: 10.5px;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    background: rgba(0, 0, 0, 0.7);
    border: 1px solid rgba(245, 158, 11, 0.4);
    padding: 3px 8px;
    border-radius: 4px;
}

.metal-model-badge.badge-red {
    color: #fca5a5;
    border-color: rgba(239, 68, 68, 0.5);
    background: rgba(239, 68, 68, 0.12);
}

.metal-model-badge.badge-vol {
    color: #38bdf8;
    border-color: rgba(56, 189, 248, 0.4);
}

/* --------------------------------------------------------------------------
   3 Backlit VU Meters: Left Dagger, Center Demon Overdrive, Right Sword
   -------------------------------------------------------------------------- */
.metal-meters-row {
    display: grid;
    grid-template-columns: 1fr 0.75fr 1fr;
    gap: 14px;
    margin-bottom: 18px;
    align-items: end;
}

.metal-meter-card {
    background: radial-gradient(ellipse at 50% 75%, rgba(239, 68, 68, 0.4) 0%, rgba(185, 28, 28, 0.22) 55%, rgba(24, 6, 6, 0.96) 100%);
    border: 2px solid var(--metal-meter-border);
    border-radius: 8px;
    padding: 10px 8px 6px;
    position: relative;
    overflow: hidden;
    box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.85), 0 0 16px rgba(239, 68, 68, 0.3);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    min-height: 128px;
    height: 128px;
    box-sizing: border-box;
    transition: all 0.3s ease;
}

.metal-meter-card.meter-gain {
    min-height: 94px;
    height: 94px;
    padding: 6px 6px 4px;
    background: radial-gradient(ellipse at 50% 75%, #141010 0%, #0d0909 70%, #050404 100%);
    border-color: #331515;
    box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.95);
    transition: background 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
}

.metal-meter-card.meter-gain.is-lit,
.metal-meter-card.meter-gain.is-active,
.metal-meter-card.meter-gain.is-on {
    background: radial-gradient(ellipse at 50% 75%, rgba(245, 158, 11, 0.45) 0%, rgba(217, 119, 6, 0.28) 55%, rgba(28, 14, 2, 0.96) 100%);
    border-color: #854d0e;
    box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.8), 0 0 20px rgba(245, 158, 11, 0.4);
}

.metal-meter-card.meter-gain.is-lit .demon-meter-face {
    opacity: 0.9 !important;
}

.demon-eye-flicker {
    animation: demonFlicker 1.8s infinite alternate;
}

@keyframes demonFlicker {
    0% { fill: #fef08a; filter: drop-shadow(0 0 2px #fef08a); }
    100% { fill: #ef4444; filter: drop-shadow(0 0 6px #ef4444); }
}

.metal-meter-bezel {
    width: 100%;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    flex: 1;
    min-height: 0;
}

.metal-meter-dial-svg {
    width: 100%;
    height: 100%;
    max-height: 94px;
    overflow: visible;
    display: block;
}

.metal-meter-card.meter-gain .metal-meter-dial-svg {
    max-height: 66px;
}

.metal-needle {
    transform-origin: 80px 94px;
    transform-box: view-box;
    transition: transform 0.05s cubic-bezier(0.1, 0.9, 0.2, 1);
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.95));
}

.metal-meter-label {
    font-size: 10.5px;
    font-weight: 800;
    color: #fca5a5;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    text-shadow: 0 0 6px rgba(239, 68, 68, 0.6);
    margin-top: 4px;
    line-height: 1.2;
    text-align: center;
    white-space: nowrap;
}

.metal-meter-card.meter-gain .metal-meter-label {
    font-size: 9px;
    color: #64748b;
    text-shadow: none;
    margin-top: 2px;
    transition: color 0.35s ease, text-shadow 0.35s ease;
}

.metal-meter-card.meter-gain.is-lit .metal-meter-label,
.metal-meter-card.meter-gain.is-active .metal-meter-label,
.metal-meter-card.meter-gain.is-on .metal-meter-label {
    color: #fde047;
    text-shadow: 0 0 8px rgba(245, 158, 11, 0.8);
}

/* --------------------------------------------------------------------------
   Heavy-Duty Steel & Chrome Toggle Switches
   -------------------------------------------------------------------------- */
.metal-toggles-row {
    display: flex;
    justify-content: space-evenly;
    align-items: center;
    gap: 8px;
    flex-wrap: nowrap !important;
    background: rgba(0, 0, 0, 0.65);
    border: 1px solid #282f42;
    border-radius: 8px;
    padding: 12px 10px;
    margin-bottom: 18px;
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
}

.metal-toggles-row::-webkit-scrollbar {
    display: none;
}

.metal-toggle-unit {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    user-select: none;
    background: transparent !important;
    border: none !important;
    padding: 4px 6px;
    flex-shrink: 0;
    box-shadow: none !important;
    transform: none !important;
    transition: none !important;
}

.metal-toggle-unit:hover,
.metal-toggle-unit:focus,
.metal-toggle-unit:active,
button.metal-toggle-unit:hover,
button.metal-toggle-unit:focus,
button.metal-toggle-unit:active {
    background: transparent !important;
    box-shadow: none !important;
    transform: none !important;
    outline: none !important;
}

.metal-switch-lever {
    width: 24px;
    height: 38px;
    background: radial-gradient(circle at 50% 30%, #334155 0%, #0f172a 100%) !important;
    border: 1px solid #475569 !important;
    border-radius: 12px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 !important;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.9), 0 2px 4px rgba(0,0,0,0.5) !important;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.metal-switch-lever:hover,
.metal-switch-lever:focus,
.metal-switch-lever:active,
button.metal-switch-lever:hover,
button.metal-switch-lever:focus,
button.metal-switch-lever:active {
    background: radial-gradient(circle at 50% 30%, #334155 0%, #0f172a 100%) !important;
    color: inherit !important;
    transform: none !important;
    outline: none !important;
}

.metal-toggle-unit.is-on .metal-switch-lever {
    border-color: var(--metal-red);
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.9), 0 0 12px rgba(239, 68, 68, 0.5);
}

.metal-toggle-unit.is-on.toggle-gain .metal-switch-lever {
    border-color: var(--metal-amber);
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.9), 0 0 12px rgba(245, 158, 11, 0.5);
}

/* Polished Chrome Switch Bat */
.metal-switch-bat {
    width: 10px;
    height: 20px;
    background: linear-gradient(135deg, #ffffff 0%, #94a3b8 45%, #475569 85%, #cbd5e1 100%);
    border-radius: 5px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.8);
    transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1), background 0.2s ease, box-shadow 0.2s ease;
    transform: translateY(5px) rotate(18deg);
}

.metal-toggle-unit.is-on .metal-switch-bat {
    transform: translateY(-5px) rotate(-18deg);
    background: linear-gradient(135deg, #ffffff 0%, #cbd5e1 45%, #64748b 85%, #f1f5f9 100%);
    box-shadow: 0 -2px 6px rgba(0,0,0,0.8);
}

.metal-toggle-label {
    font-size: 10px;
    font-weight: 800;
    color: #64748b;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    text-shadow: none;
    white-space: nowrap;
    transition: color 0.25s ease, text-shadow 0.25s ease;
}

.metal-toggle-unit.is-on .metal-toggle-label {
    color: var(--metal-red);
    text-shadow: 0 0 8px rgba(239, 68, 68, 0.8);
}

.metal-toggle-unit.is-on.toggle-gain .metal-toggle-label,
.metal-toggle-unit.is-on .metal-toggle-label.label-gain {
    color: var(--metal-amber);
    text-shadow: 0 0 8px rgba(245, 158, 11, 0.8);
}

/* 3-Position Amp Stage & Preset EQ Switches */
.metal-preset-toggle,
.metal-circuit-toggle {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}

.metal-preset-switch-container {
    display: flex;
    align-items: center;
    gap: 6px;
}

.metal-preset-labels {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 46px;
    font-size: 8px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #475569;
    text-align: right;
    user-select: none;
}

.metal-circuit-label-item,
.metal-preset-label-item {
    transition: color 0.2s ease, text-shadow 0.2s ease;
    cursor: pointer;
    line-height: 1;
}

.metal-circuit-label-item.is-active {
    color: var(--metal-amber);
    text-shadow: 0 0 6px rgba(245, 158, 11, 0.7);
}

.metal-preset-label-item.is-active {
    color: var(--metal-red);
    text-shadow: 0 0 6px rgba(239, 68, 68, 0.7);
}

/* 3-Way Lever Positions */
.three-way-lever .metal-switch-bat {
    transition: transform 0.15s cubic-bezier(0.2, 0.8, 0.3, 1);
}
.three-way-lever.pos-tube .metal-switch-bat,
.three-way-lever.pos-high .metal-switch-bat {
    transform: translateY(-7px) rotate(-22deg);
}
.three-way-lever.pos-mosfet .metal-switch-bat,
.three-way-lever.pos-vocal .metal-switch-bat {
    transform: translateY(0) rotate(0deg);
}
.three-way-lever.pos-clean .metal-switch-bat,
.three-way-lever.pos-low .metal-switch-bat {
    transform: translateY(7px) rotate(22deg);
}

/* --------------------------------------------------------------------------
   7-Band Graphic Equalizer, Preamp Overdrive & Master Volume Section
   Daggers & Skull Markers
   -------------------------------------------------------------------------- */
.metal-eq-section {
    background: #080a0e;
    border: 1px solid #1e2434;
    border-radius: 8px;
    padding: 16px 14px 14px;
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.85);
}

.metal-eq-sliders-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr) 1.15fr 1.35fr;
    gap: 8px;
    align-items: stretch;
    min-height: 185px;
    margin-bottom: 14px;
}

.metal-eq-channel {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    background: rgba(18, 22, 32, 0.6);
    border: 1px solid #1c2336;
    border-radius: 6px;
    padding: 8px 4px;
    box-sizing: border-box;
}

.metal-eq-channel.gain-channel {
    background: rgba(30, 20, 10, 0.4);
    border-color: #45240e;
}

.metal-eq-channel.volume-channel {
    background: rgba(15, 23, 42, 0.7);
    border-color: #24354d;
}

.metal-slider-icon {
    font-size: 9px;
    color: #64748b;
    user-select: none;
    line-height: 1;
}

.metal-slider-val {
    font-size: 10px;
    font-weight: 800;
    color: #ffffff;
    font-family: monospace;
    min-height: 14px;
    line-height: 14px;
}

.metal-slider-wrap {
    height: 100px;
    min-height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    width: 100%;
    overflow: visible;
    --slider-fill: 0%;
}

/* Recessed Metal Slot Groove */
.metal-slider-wrap::before {
    content: '';
    position: absolute;
    top: 4px;
    bottom: 4px;
    width: 8px;
    left: 50%;
    transform: translateX(-50%);
    background: #05070b linear-gradient(
        to bottom,
        rgba(255, 255, 255, 0.05) 0%,
        rgba(0, 0, 0, 0.8) 100%
    );
    border: 1px solid #1e2434;
    border-radius: 4px;
    box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.95);
    z-index: 1;
    pointer-events: none;
}

/* Volume Channel Dynamic Illuminated LED Column */
.volume-channel .metal-slider-wrap::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: var(--slider-fill, 40%);
    max-height: calc(100% - 10px);
    border-radius: 3px;
    background: linear-gradient(to top, #38bdf8 0%, #818cf8 60%, #ef4444 100%);
    box-shadow: 0 0 8px rgba(56, 189, 248, 0.8), 0 0 14px rgba(239, 68, 68, 0.4);
    z-index: 2;
    pointer-events: none;
    transition: height 0.05s ease-out;
}

/* Gain / Overdrive Channel Dynamic Illuminated Amber & Fire LED Column */
.gain-channel .metal-slider-wrap::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: var(--slider-fill, 50%);
    max-height: calc(100% - 10px);
    border-radius: 3px;
    background: linear-gradient(to top, #d97706 0%, #f59e0b 55%, #ef4444 100%);
    box-shadow: 0 0 8px rgba(245, 158, 11, 0.8), 0 0 14px rgba(239, 68, 68, 0.5);
    z-index: 2;
    pointer-events: none;
    transition: height 0.05s ease-out;
}

/* Vertical HTML5 Range Sliders with Wide Grab Hit Box & Centered Pivot */
.metal-slider-vertical {
    -webkit-appearance: none;
    appearance: none;
    width: 100px;
    height: 32px;
    background: transparent;
    padding: 0;
    margin: 0;
    cursor: pointer;
    outline: none;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(-90deg);
    transform-origin: center center;
    z-index: 4;
    touch-action: none;
}

.metal-slider-vertical::-webkit-slider-runnable-track {
    width: 100%;
    height: 8px;
    background: transparent;
    border: none;
    box-shadow: none;
}

.metal-slider-vertical::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 24px;
    background: linear-gradient(180deg, #f8fafc 0%, #cbd5e1 35%, #64748b 70%, #334155 100%);
    border: 1px solid #94a3b8;
    border-radius: 4px;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.9), inset 0 1px 0 rgba(255, 255, 255, 0.6);
    margin-top: -8px;
    position: relative;
    z-index: 5;
    transition: background 0.15s ease, filter 0.15s ease;
}

.metal-slider-vertical::-webkit-slider-thumb:hover {
    background: linear-gradient(180deg, #ffffff 0%, #fca5a5 35%, #ef4444 70%, #991b1b 100%);
    border-color: #ef4444;
    filter: drop-shadow(0 0 8px rgba(239, 68, 68, 0.9));
}

.volume-channel .metal-slider-vertical::-webkit-slider-thumb {
    background: linear-gradient(180deg, #ffffff 0%, #bae6fd 30%, #38bdf8 65%, #0284c7 100%);
    border-color: #38bdf8;
    filter: drop-shadow(0 0 6px rgba(56, 189, 248, 0.6));
}

.volume-channel .metal-slider-vertical::-webkit-slider-thumb:hover {
    filter: drop-shadow(0 0 10px rgba(56, 189, 248, 0.95)) drop-shadow(0 0 14px rgba(239, 68, 68, 0.7));
}

.metal-slider-vertical::-moz-range-track {
    width: 100%;
    height: 8px;
    background: transparent;
    border: none;
    box-shadow: none;
}

.metal-slider-vertical::-moz-range-thumb {
    width: 20px;
    height: 24px;
    background: linear-gradient(180deg, #f8fafc 0%, #cbd5e1 35%, #64748b 70%, #334155 100%);
    border: 1px solid #94a3b8;
    border-radius: 4px;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.9), inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

.metal-slider-vertical::-moz-range-thumb:hover {
    background: linear-gradient(180deg, #ffffff 0%, #fca5a5 35%, #ef4444 70%, #991b1b 100%);
    border-color: #ef4444;
    filter: drop-shadow(0 0 8px rgba(239, 68, 68, 0.9));
}

.volume-channel .metal-slider-vertical::-moz-range-thumb {
    background: linear-gradient(180deg, #ffffff 0%, #bae6fd 30%, #38bdf8 65%, #0284c7 100%);
    border-color: #38bdf8;
    filter: drop-shadow(0 0 6px rgba(56, 189, 248, 0.6));
}

.gain-channel .metal-slider-vertical::-webkit-slider-thumb {
    background: linear-gradient(180deg, #ffffff 0%, #fed7aa 30%, #f97316 65%, #c2410c 100%);
    border-color: #f97316;
    filter: drop-shadow(0 0 6px rgba(249, 115, 22, 0.7));
}

.gain-channel .metal-slider-vertical::-webkit-slider-thumb:hover {
    filter: drop-shadow(0 0 10px rgba(249, 115, 22, 0.95)) drop-shadow(0 0 14px rgba(239, 68, 68, 0.7));
}

.gain-channel .metal-slider-vertical::-moz-range-thumb {
    background: linear-gradient(180deg, #ffffff 0%, #fed7aa 30%, #f97316 65%, #c2410c 100%);
    border-color: #f97316;
    filter: drop-shadow(0 0 6px rgba(249, 115, 22, 0.7));
}

.metal-eq-channel label {
    font-size: 9.5px;
    font-weight: 800;
    color: var(--metal-text-muted);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    text-align: center;
    line-height: 1.1;
    margin-top: 4px;
}

.metal-gain-slider-box.is-disabled {
    opacity: 0.6;
    filter: grayscale(0.4);
}

/* Volume Channel Button & Thumb */
.metal-volume-mute-btn {
    background: #182234 !important;
    border: 1px solid #2f4468 !important;
    color: #93c5fd !important;
    font-size: 9px !important;
    font-weight: 800 !important;
    letter-spacing: 0.05em !important;
    padding: 3px 6px !important;
    border-radius: 4px !important;
    cursor: pointer !important;
    white-space: nowrap !important;
    line-height: 1.2 !important;
    transition: all 0.2s ease !important;
    margin-top: 4px !important;
}

.metal-volume-mute-btn:hover {
    background: #1e293b !important;
    border-color: #38bdf8 !important;
    color: #ffffff !important;
    box-shadow: 0 0 8px rgba(56, 189, 248, 0.5) !important;
}

/* --------------------------------------------------------------------------
   Transport Controls & Digital VFD Elapsed / Status Display
   -------------------------------------------------------------------------- */
.metal-bottom-controls-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    padding-top: 12px;
    border-top: 1px solid #1a1e2b;
}

.metal-transport-group {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.metal-transport-controls {
    display: flex;
    align-items: center;
    gap: 6px;
}

.metal-transport-btn {
    width: 38px;
    height: 38px;
    border-radius: 6px;
    background: #141722;
    border: 1px solid #2a3144;
    color: #cbd5e1;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.metal-transport-btn:hover {
    border-color: var(--metal-red);
    color: #ffffff;
    background: #1e2230;
    box-shadow: 0 0 10px rgba(239, 68, 68, 0.35);
}

.metal-transport-btn.transport-play {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, #ef4444 0%, #b91c1c 100%);
    border-color: #f87171;
    color: #ffffff;
    font-size: 1.2rem;
    box-shadow: 0 0 14px rgba(239, 68, 68, 0.5);
}

.metal-transport-btn.transport-play:hover {
    background: linear-gradient(135deg, #f87171 0%, #dc2626 100%);
    box-shadow: 0 0 20px rgba(239, 68, 68, 0.7);
    transform: scale(1.04);
}

/* Digital VFD Vacuum Tube Display */
.metal-vfd-display {
    background: #040608;
    border: 1px solid #281414;
    border-radius: 6px;
    padding: 6px 14px;
    box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.95), 0 0 12px rgba(239, 68, 68, 0.2);
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.metal-vfd-status {
    font-size: 9px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--metal-amber);
}

.metal-vfd-countdown {
    font-family: "Courier New", Courier, monospace;
    font-size: 1.15rem;
    font-weight: 900;
    letter-spacing: 0.06em;
    color: var(--metal-red);
    text-shadow: 0 0 8px rgba(239, 68, 68, 0.85), 0 0 18px rgba(239, 68, 68, 0.45);
}

.metal-reset-btn {
    background: #141722;
    border: 1px solid #2a3144;
    color: #94a3b8;
    font-size: 0.82rem;
    font-weight: 700;
    padding: 8px 14px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.metal-reset-btn:hover {
    border-color: var(--metal-red);
    color: #ffffff;
    background: #1b1f2e;
    box-shadow: 0 0 10px rgba(239, 68, 68, 0.3);
}

/* --------------------------------------------------------------------------
   Mobile & Responsive Adjustments
   -------------------------------------------------------------------------- */
@media (max-width: 900px) {
    .metal-meters-row {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    .metal-meter-card {
        min-height: 110px;
        height: 110px;
    }
    .metal-meter-card.meter-gain {
        min-height: 80px;
        height: 80px;
    }
    .metal-eq-sliders-grid {
        grid-template-columns: repeat(4, 1fr);
        row-gap: 12px;
    }
    .metal-amp-faceplate {
        padding: 12px 14px;
    }
}