.scream-synth-shell {
    overflow: hidden;
    border-color: rgba(244, 223, 159, .38);
    background:
        radial-gradient(circle at 12% 0%, rgba(111, 9, 2, .38), transparent 30%),
        radial-gradient(circle at 92% 12%, rgba(64, 32, 93, .46), transparent 34%),
        linear-gradient(145deg, rgba(7, 5, 7, .96), rgba(19, 11, 18, .95));
}

.scream-synth-shell .ss-intro {
    max-width: 840px;
}

.scream-synth-shell .ss-reference {
    max-width: 920px;
    margin: 13px 0 0;
    color: #bdb2a1;
    font-size: 13px;
    line-height: 1.6;
}

.scream-synth-shell .ss-reference a {
    color: #e4c76f;
    text-underline-offset: 3px;
}

.scream-synth-shell .ss-disclaimer {
    max-width: 920px;
    margin: 18px 0 28px;
    padding: 13px 16px;
    border-left: 3px solid var(--gold);
    background: rgba(0, 0, 0, .32);
    color: #eee6d8;
    font-size: 14px;
    line-height: 1.55;
}

.ss-instrument {
    --ss-l: #f3a13a;
    --ss-m: #bb71ff;
    --ss-h: #59ddff;
    --ss-panel: rgba(13, 13, 17, .88);
    --ss-line: rgba(235, 222, 192, .19);
    position: relative;
    isolation: isolate;
    border: 1px solid rgba(244, 223, 159, .3);
    border-radius: 28px;
    padding: clamp(16px, 3vw, 28px);
    background:
        repeating-linear-gradient(90deg, rgba(255,255,255,.018) 0, rgba(255,255,255,.018) 1px, transparent 1px, transparent 7px),
        linear-gradient(155deg, rgba(28, 20, 15, .98), rgba(8, 8, 12, .98) 44%, rgba(20, 11, 26, .98));
    box-shadow: inset 0 1px 0 rgba(255,255,255,.08), 0 26px 70px rgba(0,0,0,.5);
}

.ss-instrument::before {
    content: "";
    position: absolute;
    inset: 10px;
    z-index: -1;
    border: 1px solid rgba(196, 154, 53, .12);
    border-radius: 21px;
    pointer-events: none;
}

.ss-topbar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 18px;
    align-items: center;
    margin-bottom: 22px;
    padding: 12px 14px;
    border: 1px solid var(--ss-line);
    border-radius: 16px;
    background: rgba(0,0,0,.32);
}

.ss-audio-status {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
    color: #cfc5b4;
    font-size: 13px;
}

.ss-status-light {
    flex: 0 0 auto;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #756d64;
    box-shadow: 0 0 0 4px rgba(255,255,255,.04);
}

.ss-instrument[data-audio-state="running"] .ss-status-light {
    background: #72e7a7;
    box-shadow: 0 0 13px rgba(114,231,167,.72);
}

.ss-instrument[data-audio-state="error"] .ss-status-light {
    background: #ff685f;
    box-shadow: 0 0 13px rgba(255,104,95,.72);
}

.ss-meter-wrap {
    display: grid;
    grid-template-columns: 112px 64px;
    gap: 10px;
    align-items: center;
}

.ss-meter {
    height: 10px;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,.13);
    border-radius: 999px;
    background: #050506;
}

.ss-meter-fill {
    width: 0;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, #52d28b 0 68%, #f6cc52 82%, #ff5a51 100%);
    transform-origin: left;
    transition: width 60ms linear;
}

.ss-meter-readout {
    color: #c8beae;
    font: 700 11px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
    text-align: right;
}

.ss-register-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.45fr) minmax(260px, .55fr);
    gap: 20px;
    align-items: stretch;
}

.ss-panel {
    border: 1px solid var(--ss-line);
    border-radius: 22px;
    padding: clamp(16px, 2.5vw, 24px);
    background: var(--ss-panel);
}

.ss-panel-title,
.ss-control-label {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: baseline;
    margin: 0 0 14px;
    color: #f1eadf;
    font-size: 12px;
    font-weight: 900;
    letter-spacing: .15em;
    text-transform: uppercase;
}

.ss-panel-title small,
.ss-control-label output {
    color: #a99e8e;
    font: 700 11px/1.25 ui-monospace, SFMono-Regular, Menlo, monospace;
    letter-spacing: 0;
    text-transform: none;
}

.ss-preset-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(120px, 1fr));
    gap: 10px;
}

.ss-register-switch {
    min-height: 126px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 9px;
    border: 1px solid rgba(232, 217, 186, .2);
    border-radius: 15px;
    padding: 12px 8px;
    background: linear-gradient(180deg, #2d2a28, #111113);
    color: #e9e1d4;
    font: inherit;
    font-size: 12px;
    font-weight: 800;
    line-height: 1.2;
    text-align: center;
    cursor: pointer;
    box-shadow: inset 0 1px 0 rgba(255,255,255,.09), 0 6px 14px rgba(0,0,0,.24);
    transition: transform .15s ease, border-color .15s ease, background .15s ease, box-shadow .15s ease;
}

.ss-register-switch:hover,
.ss-register-switch:focus-visible {
    outline: none;
    transform: translateY(-2px);
    border-color: rgba(244, 223, 159, .58);
}

.ss-register-switch[aria-pressed="true"] {
    border-color: var(--gold-bright);
    background: linear-gradient(180deg, #544321, #211a10 55%, #100d0a);
    box-shadow: inset 0 1px 0 rgba(255,255,255,.18), 0 0 22px rgba(196,154,53,.27);
    color: #fff8e5;
}

.ss-register-symbol {
    position: relative;
    flex: 0 0 auto;
    width: 58px;
    height: 58px;
    border: 2px solid currentColor;
    border-radius: 50%;
    color: #dad2c5;
    background:
        linear-gradient(to bottom, transparent 32%, currentColor 32%, currentColor 35%, transparent 35%, transparent 65%, currentColor 65%, currentColor 68%, transparent 68%);
    opacity: .92;
}

.ss-register-symbol.large {
    width: 118px;
    height: 118px;
    border-width: 3px;
    color: #f2e4c9;
}

.ss-register-dot {
    position: absolute;
    left: 50%;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: #383434;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 0 1px rgba(255,255,255,.12);
}

.ss-register-symbol.large .ss-register-dot {
    width: 14px;
    height: 14px;
}

.ss-register-dot[data-rank="H"] { top: 17%; }
.ss-register-dot[data-rank="M"] { top: 50%; }
.ss-register-dot[data-rank="L"] { top: 83%; }
.ss-register-dot.is-on[data-rank="L"] { background: var(--ss-l); box-shadow: 0 0 14px var(--ss-l); }
.ss-register-dot.is-on[data-rank="M"] { background: var(--ss-m); box-shadow: 0 0 14px var(--ss-m); }
.ss-register-dot.is-on[data-rank="H"] { background: var(--ss-h); box-shadow: 0 0 14px var(--ss-h); }

.ss-manual-bank {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-top: 14px;
}

.ss-rank-toggle {
    min-height: 58px;
    border: 1px solid var(--ss-line);
    border-radius: 14px;
    background: #111114;
    color: #bdb5aa;
    font: inherit;
    font-weight: 900;
    cursor: pointer;
}

.ss-rank-toggle strong { display: block; font-size: 18px; }
.ss-rank-toggle span { display: block; margin-top: 2px; font-size: 10px; font-weight: 700; }
.ss-rank-toggle[data-rank="L"][aria-pressed="true"] { border-color: var(--ss-l); color: var(--ss-l); background: rgba(243,161,58,.1); }
.ss-rank-toggle[data-rank="M"][aria-pressed="true"] { border-color: var(--ss-m); color: var(--ss-m); background: rgba(187,113,255,.1); }
.ss-rank-toggle[data-rank="H"][aria-pressed="true"] { border-color: var(--ss-h); color: var(--ss-h); background: rgba(89,221,255,.1); }

.ss-visual-panel {
    min-height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    text-align: center;
}

.ss-active-name {
    min-height: 42px;
    margin: 10px 0 0;
    color: #f6ead1;
    font-family: Cinzel, Georgia, serif;
    font-size: 18px;
    font-weight: 700;
}

.ss-bellows {
    --ss-expression: .7;
    --ss-bellows-speed: 1.45s;
    width: min(260px, 100%);
    height: 76px;
    display: grid;
    grid-template-columns: 34px minmax(90px, 1fr) 34px;
    align-items: stretch;
    filter: drop-shadow(0 8px 12px rgba(0,0,0,.3));
}

.ss-bellows-end {
    border: 1px solid rgba(244,223,159,.35);
    border-radius: 7px;
    background: linear-gradient(90deg, #392718, #aa7d35 55%, #2b1c12);
}

.ss-bellows-folds {
    position: relative;
    overflow: hidden;
    border-top: 2px solid #80662d;
    border-bottom: 2px solid #80662d;
    background: repeating-linear-gradient(90deg, #24151c 0 8px, #6d2632 8px 12px, #160e13 12px 20px);
    transform: scaleX(calc(.72 + (var(--ss-expression) * .28)));
    transition: transform .18s ease;
}

.ss-instrument[data-playing="true"] .ss-bellows-folds {
    animation: ssBellows var(--ss-bellows-speed) ease-in-out infinite alternate;
}

@keyframes ssBellows {
    from { transform: scaleX(calc(.62 + (var(--ss-expression) * .12))); }
    to { transform: scaleX(calc(.78 + (var(--ss-expression) * .22))); }
}

.ss-scope {
    width: 100%;
    height: 104px;
    display: block;
    border: 1px solid rgba(89,221,255,.2);
    border-radius: 12px;
    background: linear-gradient(180deg, rgba(5,10,18,.92), rgba(2,3,6,.98));
}

.ss-controls-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    margin-top: 18px;
}

.ss-control {
    min-width: 0;
    border: 1px solid var(--ss-line);
    border-radius: 18px;
    padding: 16px;
    background: rgba(7,7,10,.84);
}

.ss-control[data-layer="L"] { border-top: 3px solid var(--ss-l); }
.ss-control[data-layer="M"] { border-top: 3px solid var(--ss-m); }
.ss-control[data-layer="H"] { border-top: 3px solid var(--ss-h); }

.scream-synth-shell .ss-control p {
    min-height: 48px;
    margin: 10px 0 0;
    color: #aca294;
    font-size: 12px;
    line-height: 1.5;
}

.ss-control input[type="range"],
.ss-advanced-grid input[type="range"] {
    --ss-range-color: var(--gold);
    width: 100%;
    height: 34px;
    margin: 0;
    appearance: none;
    background: transparent;
    cursor: pointer;
}

.ss-control[data-layer="L"] input { --ss-range-color: var(--ss-l); }
.ss-control[data-layer="M"] input { --ss-range-color: var(--ss-m); }
.ss-control[data-layer="H"] input { --ss-range-color: var(--ss-h); }

.ss-control input[type="range"]::-webkit-slider-runnable-track,
.ss-advanced-grid input[type="range"]::-webkit-slider-runnable-track {
    height: 6px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--ss-range-color), rgba(255,255,255,.12));
}

.ss-control input[type="range"]::-moz-range-track,
.ss-advanced-grid input[type="range"]::-moz-range-track {
    height: 6px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--ss-range-color), rgba(255,255,255,.12));
}

.ss-control input[type="range"]::-webkit-slider-thumb,
.ss-advanced-grid input[type="range"]::-webkit-slider-thumb {
    width: 22px;
    height: 22px;
    margin-top: -8px;
    appearance: none;
    border: 2px solid #0d0b0a;
    border-radius: 50%;
    background: var(--ss-range-color);
    box-shadow: 0 0 0 2px rgba(255,255,255,.34), 0 3px 8px rgba(0,0,0,.4);
}

.ss-control input[type="range"]::-moz-range-thumb,
.ss-advanced-grid input[type="range"]::-moz-range-thumb {
    width: 19px;
    height: 19px;
    border: 2px solid #0d0b0a;
    border-radius: 50%;
    background: var(--ss-range-color);
    box-shadow: 0 0 0 2px rgba(255,255,255,.34), 0 3px 8px rgba(0,0,0,.4);
}

.ss-control input[type="range"]:focus-visible,
.ss-advanced-grid input[type="range"]:focus-visible {
    outline: 2px solid var(--gold-bright);
    outline-offset: 3px;
    border-radius: 999px;
}

.ss-performance-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
    gap: 18px;
    margin-top: 18px;
}

.ss-main-controls {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.ss-select {
    width: 100%;
    min-height: 46px;
    border: 1px solid var(--ss-line);
    border-radius: 12px;
    padding: 0 12px;
    background: #101013;
    color: #f0e9dc;
    font: inherit;
    font-weight: 800;
}

.ss-play-area {
    display: grid;
    gap: 12px;
}

.ss-button {
    min-height: 52px;
    border: 1px solid rgba(244,223,159,.34);
    border-radius: 14px;
    padding: 11px 16px;
    background: #171416;
    color: #f5ede0;
    font: inherit;
    font-weight: 900;
    cursor: pointer;
    touch-action: manipulation;
}

.ss-button:hover,
.ss-button:focus-visible {
    outline: none;
    border-color: rgba(244,223,159,.72);
    filter: brightness(1.12);
}

.ss-enable {
    background: linear-gradient(135deg, #7b4615, #d39e37);
    color: #100b05;
}

.ss-hold {
    min-height: 78px;
    background: linear-gradient(135deg, #59120d, #9e321e 55%, #d08d34);
    font-size: 18px;
    letter-spacing: .04em;
    user-select: none;
}

.ss-instrument[data-playing="true"] .ss-hold {
    background: linear-gradient(135deg, #ad2f1f, #d4772b 55%, #f4d57f);
    color: #170906;
    box-shadow: 0 0 24px rgba(210,83,35,.32);
}

.ss-stop {
    border-color: #ff6159;
    background: #8f0e09;
    color: #fff;
}

.ss-latch {
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    border: 1px solid var(--ss-line);
    border-radius: 12px;
    background: rgba(0,0,0,.3);
    color: #d9d0c3;
    font-size: 13px;
    font-weight: 800;
    cursor: pointer;
}

.ss-latch input { width: 20px; height: 20px; accent-color: var(--gold); }

.ss-keyboard-panel { margin-top: 18px; }

.ss-keyboard-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
    margin-bottom: 12px;
}

.ss-octave-control {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #ddd3c3;
    font: 800 13px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
}

.ss-octave-control button {
    width: 38px;
    height: 38px;
    border: 1px solid var(--ss-line);
    border-radius: 10px;
    background: #111114;
    color: #f0e7d9;
    font: inherit;
    font-size: 20px;
    cursor: pointer;
}

.ss-keyboard {
    display: grid;
    grid-template-columns: repeat(12, minmax(48px, 1fr));
    gap: 5px;
    overflow-x: auto;
    padding-bottom: 6px;
    scrollbar-color: var(--gold) rgba(255,255,255,.08);
}

.ss-key {
    min-height: 92px;
    border: 1px solid #b5ada0;
    border-radius: 5px 5px 10px 10px;
    background: linear-gradient(180deg, #fffdf8, #cfc7b9);
    color: #171313;
    font: 900 12px/1 Inter, sans-serif;
    cursor: pointer;
    touch-action: pan-x;
}

.ss-key.is-black {
    min-height: 68px;
    background: linear-gradient(180deg, #3c3535, #080808);
    color: #f4eee4;
    border-color: #050505;
}

.ss-key[aria-pressed="true"] {
    border-color: var(--gold-bright);
    background: linear-gradient(180deg, #f5c653, #8b4a18);
    color: #140a04;
    transform: translateY(3px);
}

.ss-advanced {
    margin-top: 18px;
    border: 1px solid var(--ss-line);
    border-radius: 18px;
    background: rgba(0,0,0,.3);
}

.ss-advanced summary {
    padding: 16px 18px;
    color: #eee4d6;
    font-weight: 900;
    cursor: pointer;
}

.ss-advanced-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
    padding: 0 18px 18px;
}

.ss-advanced-grid label {
    min-width: 0;
    color: #c2b8aa;
    font-size: 12px;
    font-weight: 800;
}

.ss-advanced-grid output {
    float: right;
    color: #8f8274;
    font: 700 11px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
}

.scream-synth-shell .ss-audio-error {
    margin: 12px 0 0;
    color: #ff9a93;
    font-size: 13px;
}

.scream-synth-shell .ss-audio-error:empty { display: none; }

@media (max-width: 980px) {
    .ss-register-layout,
    .ss-performance-grid { grid-template-columns: 1fr; }
    .ss-preset-grid { grid-template-columns: repeat(3, minmax(110px, 1fr)); }
    .ss-controls-grid { grid-template-columns: 1fr; }
    .scream-synth-shell .ss-control p { min-height: auto; }
    .ss-advanced-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 620px) {
    .ss-instrument { border-radius: 20px; padding: 13px; }
    .ss-topbar { grid-template-columns: 1fr; }
    .ss-meter-wrap { grid-template-columns: minmax(0, 1fr) 58px; }
    .ss-preset-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .ss-register-switch { min-height: 116px; }
    .ss-main-controls { grid-template-columns: 1fr; }
    .ss-keyboard-head { align-items: flex-start; flex-direction: column; }
    .ss-advanced-grid { grid-template-columns: 1fr; }
    .ss-register-symbol.large { width: 96px; height: 96px; }
}

@media (prefers-reduced-motion: reduce) {
    .ss-instrument[data-playing="true"] .ss-bellows-folds { animation: none; }
}