:root {
    --bg-color: #111;
    --panel-color: #383838;
    --screen-bg: #000;
    --screen-grid-line: rgba(0, 255, 0, 0.1);
    --text-main: #4aff4a;
    --text-alert: #ff4a4a;
}

html.no-animations *,
html.no-animations *::before,
html.no-animations *::after {
    animation: none !important;
    transition: none !important;
}

body {
    margin: 0;
    min-height: 100vh;
    background: var(--bg-color);
    color: #eee;
    font-family: "Roboto Condensed", sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 30px;
    box-sizing: border-box;
}

.demo-device,
.device {
    --graph-size: 600px;
    --label-width: 230px;
    --sliders-per-row: 2;
    --slider-gap: 21px;
    --slider-row-gap: 30px;
    --slider-height: 210px;
    --slider-label-font-size: 30px;
    --fader-width: 75px;
    --fader-range-padding: 15px;
    --fader-slot-width: 6px;
    --fader-thumb-height: 45px;
    --fader-thumb-width: var(--fader-width);
    --fader-range-length: calc(var(--slider-height) - (2 * var(--fader-range-padding)));
    --fader-slot-offset: calc(var(--fader-range-padding) / 2);
    --channel-width: max(var(--label-width), var(--fader-width));

    background: var(--panel-color);
    background-image:
        repeating-linear-gradient(90deg, transparent 0, transparent 3px, rgba(0, 0, 0, 0.1) 4.5px),
        linear-gradient(180deg, #444 0%, #222 100%);
    border-radius: 30px;
    box-shadow:
        0 0 0 7.5px #050505,
        0 30px 75px rgba(0, 0, 0, 0.8),
        inset 0 1.5px 1.5px rgba(255, 255, 255, 0.2);
    border: 1.5px solid #555;
    padding: 15px 45px;
    display: flex;
    flex-direction: column;
    gap: 30px;
    width: calc(var(--graph-size) + 30px);
    box-sizing: border-box;
}

.mode-eqOnly.device {
    box-shadow:
        0 0 0 7.5px #050505,
        0 45px 105px rgba(0, 0, 0, 0.9),
        inset 0 1.5px 1.5px rgba(255, 255, 255, 0.2);
    padding: 20px 20px;
    width: fit-content;
    gap: 24px;
}

.mode-graphEq.device,
.mode-graphOnly.device {
    /* Legacy graph layouts assume content-box width calculation. */
    box-sizing: content-box;
}

.mode-graphOnly.device {
    padding: 40px 40px 28px 40px;
}

.mode-graphEq.multi-person.device {
    width: max-content;
    min-width: calc(var(--graph-size) + 30px);
}

.monitor-wrapper {
    position: relative;
    margin-bottom: 12px;
}

.mode-graphEq.multi-person .monitor-wrapper {
    width: max-content;
    align-self: center;
    margin: 0 auto 12px;
}

.engraved-label {
    position: absolute;
    font-weight: 700;
    font-size: 30px;
    color: #000;
    filter: url(#engraved-paint);
    text-transform: uppercase;
    letter-spacing: 15px;
    pointer-events: none;
    user-select: none;
}

.label-y {
    top: 50%;
    left: -172.5px;
    transform: translateY(-50%) rotate(-90deg);
    white-space: nowrap;
}

.label-x {
    bottom: -33px;
    left: 50%;
    transform: translateX(-50%);
    white-space: nowrap;
}

.screen-frame {
    background: #000;
    padding: 13.5px;
    border-radius: 12px;
    border-bottom: 3px solid #555;
    box-shadow: inset 0 0 22.5px rgba(0, 0, 0, 1);
    width: 100%;
    box-sizing: border-box;
}

.chart-container {
    width: var(--graph-size);
    height: var(--graph-size);
    position: relative;
    overflow: hidden;
    border-radius: 30px;
    box-shadow: inset 0 0 30px rgba(0, 0, 0, 1);
}

.chart-container.allow-point-overflow {
    overflow: visible;
}

.chart-container svg {
    width: 100%;
    height: 100%;
    background: #050505;
    display: block;
}

.chart-container svg.allow-point-overflow {
    overflow: visible;
}

.grid-line {
    stroke: var(--screen-grid-line);
    stroke-width: 1.5;
}

.threshold-line {
    stroke: #ff3b30;
    stroke-width: 4.5;
    opacity: 0.9;
    filter: drop-shadow(0 0 4.5px #000);
}

.watermark-label {
    font-size: 100px;
    font-weight: 700;
    letter-spacing: 9px;
    fill: rgba(230, 245, 230, 0.05);
    pointer-events: none;
    user-select: none;
}

.point-dot {
    stroke-width: 3;
    filter: drop-shadow(0 0 4px currentColor) drop-shadow(0 0 10px currentColor);
    animation: point-dot-pulse 1.5s infinite ease-in-out;
}

.point-label {
    font-size: 28px;
    font-weight: 700;
    text-anchor: middle;
    stroke: rgba(24, 24, 24, 0.9);
    stroke-width: 2.2px;
    stroke-linejoin: round;
    paint-order: stroke fill;
    pointer-events: none;
    filter: drop-shadow(0 0 3px currentColor) drop-shadow(0 0 8px currentColor);
    animation: point-label-pulse 1.5s infinite ease-in-out;
}

.indicator-group {
    will-change: transform;
}

#indicator {
    fill: #ccffcc;
    stroke: #00ff00;
    stroke-width: 3;
    filter: drop-shadow(0 0 6px #00ff00) drop-shadow(0 0 12px #00ff00);
    animation: osc-pulse 1.5s infinite ease-in-out;
}

#indicatorLabel {
    fill: #88ff88;
    font-size: 30px;
    font-weight: 700;
    text-anchor: middle;
    pointer-events: none;
    filter: drop-shadow(0 0 3px #00ff00) drop-shadow(0 0 9px #00ff00);
    animation: indicator-label-pulse 1.5s infinite ease-in-out;
}

#indicatorPetya {
    fill: #ccffcc;
    stroke: #00ff00;
    stroke-width: 3;
    filter: drop-shadow(0 0 6px #00ff00) drop-shadow(0 0 12px #00ff00);
    animation: osc-pulse 1.5s infinite ease-in-out;
}

#indicatorSveta {
    fill: #ffd7f5;
    stroke: #ff4ac3;
    stroke-width: 3;
    filter: drop-shadow(0 0 6px #ff4ac3) drop-shadow(0 0 12px #ff4ac3);
    animation: osc-pulse-sveta 1.5s infinite ease-in-out;
}

#indicatorGroupPetya,
#indicatorGroupSveta {
    will-change: transform;
}

#indicatorLabelPetya {
    fill: #88ff88;
    font-size: 30px;
    font-weight: 700;
    text-anchor: middle;
    pointer-events: none;
    filter: drop-shadow(0 0 3px #00ff00) drop-shadow(0 0 9px #00ff00);
    animation: indicator-label-pulse 1.5s infinite ease-in-out;
}

#indicatorLabelSveta {
    fill: #ffb3e9;
    font-size: 30px;
    font-weight: 700;
    text-anchor: middle;
    pointer-events: none;
    filter: drop-shadow(0 0 3px #ff4ac3) drop-shadow(0 0 9px #ff4ac3);
    animation: indicator-label-pulse-sveta 1.5s infinite ease-in-out;
}

@keyframes osc-pulse {
    0% {
        r: 9px;
        opacity: 0.8;
        stroke-width: 3;
    }
    50% {
        r: 12px;
        opacity: 1;
        stroke-width: 4.5;
        filter: drop-shadow(0 0 9px #00ff00) drop-shadow(0 0 22.5px #00ff00);
    }
    100% {
        r: 9px;
        opacity: 0.8;
        stroke-width: 3;
    }
}

@keyframes indicator-label-pulse {
    0% {
        opacity: 0.9;
        filter: drop-shadow(0 0 3px #00ff00) drop-shadow(0 0 9px #00ff00);
    }
    50% {
        opacity: 1;
        filter: drop-shadow(0 0 6px #00ff00) drop-shadow(0 0 15px #00ff00);
    }
    100% {
        opacity: 0.9;
        filter: drop-shadow(0 0 3px #00ff00) drop-shadow(0 0 9px #00ff00);
    }
}

@keyframes osc-pulse-sveta {
    0% {
        r: 9px;
        opacity: 0.8;
        stroke-width: 3;
    }
    50% {
        r: 12px;
        opacity: 1;
        stroke-width: 4.5;
        filter: drop-shadow(0 0 9px #ff4ac3) drop-shadow(0 0 22.5px #ff4ac3);
    }
    100% {
        r: 9px;
        opacity: 0.8;
        stroke-width: 3;
    }
}

@keyframes indicator-label-pulse-sveta {
    0% {
        opacity: 0.9;
        filter: drop-shadow(0 0 3px #ff4ac3) drop-shadow(0 0 9px #ff4ac3);
    }
    50% {
        opacity: 1;
        filter: drop-shadow(0 0 6px #ff4ac3) drop-shadow(0 0 15px #ff4ac3);
    }
    100% {
        opacity: 0.9;
        filter: drop-shadow(0 0 3px #ff4ac3) drop-shadow(0 0 9px #ff4ac3);
    }
}

@keyframes point-dot-pulse {
    0% {
        r: 9px;
        opacity: 0.8;
        stroke-width: 3;
        filter: drop-shadow(0 0 4px currentColor) drop-shadow(0 0 10px currentColor);
    }
    50% {
        r: 12px;
        opacity: 1;
        stroke-width: 4.5;
        filter: drop-shadow(0 0 9px currentColor) drop-shadow(0 0 22.5px currentColor);
    }
    100% {
        r: 9px;
        opacity: 0.8;
        stroke-width: 3;
        filter: drop-shadow(0 0 4px currentColor) drop-shadow(0 0 10px currentColor);
    }
}

@keyframes point-label-pulse {
    0% {
        opacity: 0.9;
        filter: drop-shadow(0 0 3px currentColor) drop-shadow(0 0 9px currentColor);
    }
    50% {
        opacity: 1;
        filter: drop-shadow(0 0 6px currentColor) drop-shadow(0 0 15px currentColor);
    }
    100% {
        opacity: 0.9;
        filter: drop-shadow(0 0 3px currentColor) drop-shadow(0 0 9px currentColor);
    }
}

.controls-panels {
    display: flex;
    gap: 18px;
    align-items: stretch;
    justify-content: center;
    flex-wrap: wrap;
}

.mode-graphEq .controls-panels {
    flex-direction: row;
    width: 100%;
    flex-wrap: nowrap;
    justify-content: flex-start;
}

.controls {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 15px;
    padding: 0 0 6px;
    border-radius: 15px;
    border: 1.5px solid rgba(255, 255, 255, 0.05);
    background: rgba(0, 0, 0, 0.3);
    width: max-content;
    box-sizing: border-box;
    margin: 0;
    flex: 1 1 0;
}

.mode-graphEq .controls {
    min-width: 100%;
}

.mode-graphEq .controls.person-controls {
    min-width: 0;
}

.controls-screen {
    width: 100%;
    box-sizing: border-box;
}

.digital-screen {
    font-family: "Roboto Condensed", sans-serif;
    background: #001a00;
    color: var(--text-main);
    border-radius: 6px;
    border: 1.5px solid #003300;
    padding: 15px;
    height: 22.5px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-shadow: 0 0 7.5px currentColor;
    position: relative;
    transition: background 0.3s, color 0.3s;
    overflow: hidden;
}

.digital-screen::before {
    content: " ";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 40%, rgba(60, 255, 90, 0.1) 0%, rgba(0, 0, 0, 0) 70%);
    opacity: 0.5;
    pointer-events: none;
    animation: crt-glow-breathe 2.8s ease-in-out infinite;
}

.digital-screen::after {
    content: " ";
    position: absolute;
    inset: 0;
    background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%);
    background-size: 100% 3px;
    pointer-events: none;
    animation:
        crt-scan-drift 180ms linear infinite,
        crt-overlay-flicker 2.2s steps(20, end) infinite;
}

.digital-screen.alert {
    background: #2a0000;
    color: var(--text-alert);
    border-color: #550000;
}

.speed-value {
    font-size: 45px;
    font-weight: 700;
    line-height: 1;
    animation: crt-text-jitter 1.7s steps(2, end) infinite;
}

.mode-graphEq.multi-person .speed-value {
    font-size: 42px;
    white-space: nowrap;
}

@keyframes crt-scan-drift {
    0%   { background-position: 0 0; }
    100% { background-position: 0 3px; }
}

@keyframes crt-overlay-flicker {
    0%, 100% { opacity: 0.92; }
    8% { opacity: 0.88; }
    20% { opacity: 0.95; }
    36% { opacity: 0.9; }
    55% { opacity: 0.97; }
    78% { opacity: 0.89; }
}

@keyframes crt-glow-breathe {
    0%, 100% { opacity: 0.35; }
    50% { opacity: 0.55; }
}

@keyframes crt-text-jitter {
    0%, 12%, 20%, 46%, 100% { transform: translate(0, 0); }
    13% { transform: translate(-0.25px, 0.1px); }
    14% { transform: translate(0.25px, -0.1px); }
    47% { transform: translate(0.2px, 0); }
    48% { transform: translate(-0.2px, 0); }
}

@media (prefers-reduced-motion: reduce) {
    .digital-screen::before,
    .digital-screen::after,
    .speed-value {
        animation: none;
    }
}

.controls-sliders {
    display: grid;
    grid-template-columns: repeat(var(--sliders-per-row), var(--channel-width));
    justify-items: start;
    align-items: start;
    column-gap: var(--slider-gap);
    row-gap: var(--slider-row-gap);
    width: max-content;
}

.mode-graphEq .controls-sliders {
    grid-template-columns: repeat(var(--sliders-per-row), minmax(var(--channel-width), 1fr));
    justify-items: center;
    width: 100%;
}

.channel {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: var(--channel-width);
    gap: 0;
}

.label {
    text-transform: uppercase;
    font-size: var(--slider-label-font-size);
    line-height: 1;
    color: #000;
    filter: url(#engraved-paint);
    font-weight: 700;
    letter-spacing: 1.5px;
    margin-top: 4px;
    text-align: center;
    width: var(--label-width);
    overflow: hidden;
    text-overflow: ellipsis;
}

.fader-track {
    position: relative;
    width: var(--fader-width);
    height: var(--slider-height);
    background: #151515;
    border-radius: 6px;
    border: 1.5px solid #333;
    box-shadow:
        inset -3px -3px 6px rgba(255, 255, 255, 0.06),
        inset 4.5px 4.5px 9px rgba(0, 0, 0, 0.75);
    display: flex;
    justify-content: center;
    background-image: repeating-linear-gradient(0deg, #333, #333 1.5px, transparent 1.5px, transparent 15px);
}

.fader-slot {
    position: absolute;
    top: var(--fader-slot-offset);
    bottom: var(--fader-slot-offset);
    width: var(--fader-slot-width);
    background: #000;
    border-radius: 3px;
}

input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: var(--fader-range-length);
    height: var(--fader-width);
    background: transparent;
    position: absolute;
    transform: rotate(-90deg);
    transform-origin: center;
    top: calc((var(--slider-height) - var(--fader-width)) / 2);
    left: calc((var(--fader-width) - var(--fader-range-length)) / 2);
    cursor: pointer;
}

input[type="range"]:focus {
    outline: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    height: var(--fader-thumb-height);
    width: var(--fader-thumb-width);
    border-radius: 4.5px;
    background: linear-gradient(90deg, #444 0%, #888 50%, #444 100%);
    border: 1.5px solid #000;
    box-shadow:
        0 6px 9px rgba(0, 0, 0, 0.8),
        inset 0 1.5px 0 rgba(255, 255, 255, 0.4);
    position: relative;
    z-index: 10;
}

input[type="range"]::-moz-range-thumb {
    height: var(--fader-thumb-height);
    width: var(--fader-thumb-width);
    border-radius: 4.5px;
    background: linear-gradient(90deg, #444 0%, #888 50%, #444 100%);
    border: 1.5px solid #000;
    cursor: pointer;
}

.hidden {
    display: none !important;
}