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rgba(var(--accent-rgb),.18)}.layer-card-head{cursor:pointer;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none;align-items:center;gap:10px;display:flex}.layer-card-dot{background:var(--accent);width:9px;height:9px;box-shadow:0 0 6px var(--accent-glow);border-radius:50%;flex-shrink:0;animation:1.5s ease-in-out infinite pulse-dot}.layer-card-info{flex:1;min-width:0}.layer-card-name{color:var(--color-text-primary);letter-spacing:-.01em;white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:700;overflow:hidden}.layer-card-spec{color:var(--color-text-muted);font-variant-numeric:tabular-nums;letter-spacing:.02em;margin-top:2px;font-size:11px}.layer-card-chev,.layer-card-remove{width:36px;height:36px;color:var(--color-text-muted);-webkit-tap-highlight-color:transparent;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:16px;display:flex}.layer-card-remove{cursor:pointer;background:0 0;border:0;padding:0}.layer-card-remove:active{background:var(--color-bg-hover)}.layer-card-remove svg{width:18px;height:18px;display:block}.layer-card.expanded .layer-card-chev{color:var(--accent)}.layer-card-body{border-top:1px solid var(--color-border-subtle);flex-direction:column;margin-top:6px;padding-top:6px;display:flex}.slider-row{grid-template-columns:80px 1fr 56px;align-items:center;gap:10px;margin-top:8px;display:grid}.slider-row .layer-slider{width:100%}.slider-label{color:var(--color-text-secondary);letter-spacing:.02em;font-size:11px;font-weight:600}.slider-value{color:var(--accent);text-align:right;font-variant-numeric:tabular-nums;font-size:11px;font-weight:700}.master-section{background:var(--color-bg-surface);border:1px solid var(--color-border-mid);border-radius:12px;margin-top:18px;padding:14px}.master-title{letter-spacing:.16em;text-transform:uppercase;color:var(--color-text-muted);margin-bottom:4px;font-size:10px;font-weight:700}.timer-row{grid-template-columns:80px 1fr 56px;align-items:center;gap:10px;margin-top:12px;display:grid}.timer-chips{flex-wrap:wrap;gap:6px;display:flex}.timer-chip{appearance:none;background:var(--color-bg-interactive);color:var(--color-text-secondary);cursor:pointer;-webkit-tap-highlight-color:transparent;font-variant-numeric:tabular-nums;border:1px solid #0000;border-radius:9999px;min-width:36px;padding:5px 12px;font-size:12px;font-weight:600}.timer-chip.active{background:rgba(var(--accent-rgb),.15);color:var(--accent);border-color:var(--accent)}.timer-remaining{color:var(--accent);text-align:right;font-variant-numeric:tabular-nums;font-size:11px;font-weight:700}.slider-row.mod-rate-row{align-items:start}.slider-row.mod-rate-row .slider-label,.slider-row.mod-rate-row .slider-value{padding-top:16px}.wave-toggle{background:var(--color-bg-base);border:1px solid #ffffff0f;border-radius:9px;grid-column:2/4;grid-template-columns:1fr 1fr;gap:4px;padding:3px;display:grid}.wave-option{color:var(--color-text-secondary);letter-spacing:.02em;cursor:pointer;-webkit-tap-highlight-color:transparent;background:0 0;border:none;border-radius:7px;justify-content:center;align-items:center;gap:6px;padding:6px 0;font-size:11px;font-weight:600;transition:background .15s,color .15s;display:flex}.wave-option .wave-glyph{font-size:13px;line-height:1}.wave-option.on{background:rgba(var(--accent-rgb),.18);color:var(--accent)}.wave-option:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.wave-toggle.bed-toggle{grid-template-columns:repeat(3,1fr)}.save-mix-row{gap:8px;margin-top:14px;display:flex}.save-mix-btn{appearance:none;background:var(--color-bg-interactive);border:1px solid var(--color-border-mid);color:var(--color-text-secondary);letter-spacing:.02em;cursor:pointer;-webkit-tap-highlight-color:transparent;border-radius:8px;flex:1;padding:9px 12px;font-size:12px;font-weight:600;transition:background .15s}.save-mix-btn:active{background:var(--color-bg-hover)}.save-mix-btn:disabled{opacity:.45;cursor:default}.save-mix-input{appearance:none;background:var(--color-bg-base);border:1px solid var(--color-border-mid);min-width:0;color:var(--color-text-primary);border-radius:8px;flex:1;padding:8px 12px;font-size:16px;line-height:1.2}.save-mix-input:focus{border-color:var(--accent);outline:none}.save-mix-input::placeholder{color:var(--color-text-muted)}.save-mix-confirm{appearance:none;background:var(--accent);color:#0a0a0a;letter-spacing:.02em;cursor:pointer;-webkit-tap-highlight-color:transparent;border:none;border-radius:8px;flex-shrink:0;padding:6px 14px;font-size:12px;font-weight:700}.save-mix-confirm:disabled{opacity:.45;cursor:default}.debug-overlay{top:calc(env(safe-area-inset-top,0px) + 4px);z-index:9999;pointer-events:none;color:#9fe89f;word-break:break-all;background:#000000b8;border-radius:6px;padding:4px 6px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:9px;line-height:1.45;position:fixed;left:4px;right:4px}.debug-overlay-status{color:#fff;font-weight:600}.mod-pill{border-radius:var(--radius-pill);background:var(--color-bg-interactive);border:1px solid var(--color-border-mid);letter-spacing:.04em;color:var(--color-text-secondary);font-variant-numeric:tabular-nums;--pulse-period:5s;align-items:center;gap:6px;min-height:32px;padding:6px 10px;font-size:11px;font-weight:600;display:inline-flex}.mod-pill.live{border-color:rgba(var(--accent-rgb),.4);color:var(--accent);background:rgba(var(--accent-rgb),.08)}.mod-pill-dot{background:var(--color-text-muted);border-radius:50%;flex-shrink:0;width:8px;height:8px}.mod-pill.live .mod-pill-dot{background:var(--accent);box-shadow:0 0 6px var(--accent-glow);animation:mod-pill-pulse var(--pulse-period) ease-in-out infinite alternate;will-change:transform,opacity}.mod-pill-label{white-space:nowrap}@keyframes mod-pill-pulse{0%{opacity:.55;transform:scale(.85)}to{opacity:1;transform:scale(1.25)}}.pulse-ring-wrap{--pulse-period:5s;--pulse-depth:1;flex-direction:column;justify-content:center;align-items:center;gap:8px;padding:18px 0 22px;display:flex}.pulse-ring{border:2px solid rgba(var(--ring-accent-rgb),.55);width:96px;height:96px;box-shadow:0 0 calc(20px * var(--pulse-depth)) rgba(var(--ring-accent-rgb),calc(.35 * var(--pulse-depth))),inset 0 0 calc(14px * var(--pulse-depth)) rgba(var(--ring-accent-rgb),calc(.18 * var(--pulse-depth)));animation:pulse-ring var(--pulse-period) ease-in-out infinite alternate;will-change:transform,opacity;border-radius:50%;justify-content:center;align-items:center;display:flex;position:relative}.pulse-ring-core{background:var(--ring-accent);width:18px;height:18px;box-shadow:0 0 calc(12px * var(--pulse-depth)) var(--ring-accent-glow);opacity:calc(.55 + .45 * var(--pulse-depth));border-radius:50%}.pulse-ring-caption{letter-spacing:.16em;text-transform:uppercase;color:var(--color-text-muted);font-variant-numeric:tabular-nums;font-size:10px;font-weight:700}.pulse-ring-wrap.steady .pulse-ring{animation:none;transform:none}@keyframes pulse-ring{0%{transform:scale(calc(1 - .12 * var(--pulse-depth)));opacity:calc(1 - .45 * var(--pulse-depth))}to{transform:scale(calc(1 + .12 * var(--pulse-depth)));opacity:1}}@media(prefers-reduced-motion:reduce){.pulse-ring,.mod-pill.live .mod-pill-dot{animation:none!important;transform:none!important}.mix-sheet,.sheet-handle-bar{transition:none!important}}.binaural-chip{border:1px solid rgba(var(--accent-rgb),.35);background:rgba(var(--accent-rgb),.08);vertical-align:middle;border-radius:9999px;justify-content:center;align-items:center;padding:2px 6px;font-size:12px;line-height:1;display:inline-flex}.binaural-badge{color:var(--accent);background:rgba(var(--accent-rgb),.12);border:1px solid rgba(var(--accent-rgb),.35);border-radius:9999px;margin-top:10px;margin-right:6px;padding:5px 12px;font-size:12px;font-weight:600;display:inline-block}.vibrotactile-chip{letter-spacing:.1em;text-transform:uppercase;border:1px solid rgba(var(--accent-rgb),.35);background:rgba(var(--accent-rgb),.08);color:var(--accent);vertical-align:middle;border-radius:9999px;justify-content:center;align-items:center;padding:4px 7px;font-size:9px;font-weight:700;line-height:1;display:inline-flex}.vibrotactile-badge{color:var(--accent);background:rgba(var(--accent-rgb),.12);border:1px solid rgba(var(--accent-rgb),.35);border-radius:9999px;margin-top:10px;margin-right:6px;padding:5px 12px;font-size:12px;font-weight:600;display:inline-block}.view-tabs{background:var(--color-bg-interactive);border-radius:9999px;gap:6px;width:fit-content;margin:0 0 12px;padding:4px;display:flex}.view-tab{appearance:none;color:var(--color-text-secondary);cursor:pointer;-webkit-tap-highlight-color:transparent;background:0 0;border:0;border-radius:9999px;padding:8px 18px;font-size:13px;font-weight:600}.view-tab.active{background:rgba(var(--accent-rgb),.15);color:var(--accent)}.preset-list{flex-direction:column;gap:10px;padding-top:4px;display:flex}.preset-card{appearance:none;text-align:left;background:var(--color-bg-surface);cursor:pointer;-webkit-tap-highlight-color:transparent;border:1px solid #0000;border-radius:12px;outline:none;width:100%;padding:14px 14px 14px 44px;transition:background .15s,border-color .2s,box-shadow .2s;position:relative}.preset-card:active{background:var(--color-bg-hover)}.preset-card.active{border-color:var(--accent);box-shadow:0 0 0 1px rgba(var(--accent-rgb),.3),0 0 20px var(--accent-glow)}.preset-card .card-playing-indicator{top:22px;left:18px;right:auto}.preset-play{color:var(--color-text-muted);font-size:14px;line-height:1;position:absolute;top:18px;left:16px}.preset-card.active .preset-play{color:var(--accent)}.preset-card.active .card-playing-indicator{opacity:1}.preset-meta{flex-direction:column;gap:4px;display:flex}.preset-title-row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.preset-title{color:var(--color-text-primary);font-size:14px;font-weight:700}.preset-title-row .am-badge{background:rgba(var(--accent-rgb),.15);color:var(--accent);border-radius:9999px;padding:2px 8px;font-size:14px;font-weight:700;line-height:1;display:inline-block}.preset-title-row .binaural-badge{margin-top:0;margin-right:0}.preset-spec{color:var(--color-text-secondary);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}.preset-desc{color:var(--color-text-muted);margin-top:2px;font-size:12px;line-height:1.4}.preset-list-divider{color:var(--color-text-muted);letter-spacing:.14em;text-transform:uppercase;align-items:center;gap:10px;margin:14px 4px 4px;font-size:10px;font-weight:700;display:flex}.preset-list-divider:before,.preset-list-divider:after{content:"";background:var(--color-bg-interactive);flex:1;height:1px}.preset-card.diagnostic{opacity:.72}.preset-card.diagnostic .preset-title{color:var(--color-text-secondary)}.presets-empty{text-align:center;color:var(--color-text-muted);padding:24px 12px}.presets-empty-title{font-size:14px;font-weight:600}.preset-card.mix-row{padding:8px 8px 8px 44px}.mix-row-head{cursor:pointer;-webkit-tap-highlight-color:transparent;outline:none;align-items:center;gap:4px;display:flex}.mix-row-head:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:8px}.mix-row-head .preset-meta{flex:1;min-width:0;padding:6px 0}.mix-row-head .preset-title{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.mix-row-ctl{width:36px;height:36px;color:var(--color-text-muted);cursor:pointer;-webkit-tap-highlight-color:transparent;background:0 0;border:0;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;padding:0;font-size:16px;display:flex}.mix-row-ctl:active{background:var(--color-bg-hover)}.mix-row-ctl svg{width:18px;height:18px;display:block}.mix-row-body{border-top:1px solid var(--color-border-subtle);gap:8px;margin-top:4px;padding-top:8px;display:flex}.install-prompt{left:12px;right:12px;bottom:calc(64px + max(env(safe-area-inset-bottom),1.5rem));z-index:21;-webkit-backdrop-filter:blur(12px);border:1px solid var(--color-border-subtle);color:var(--color-text-secondary);background:#1c1c1cf5;border-radius:12px;align-items:center;gap:8px;max-width:calc(100% - 24px);padding:10px 14px;font-size:13px;display:flex;position:fixed;box-shadow:0 -2px 12px #0006}.install-prompt-label{flex:1;min-width:0;line-height:1.3}.install-prompt-action{background:var(--accent);color:#0a0a0a;letter-spacing:.02em;cursor:pointer;border:none;border-radius:8px;flex-shrink:0;padding:6px 12px;font-size:12px;font-weight:700}.install-prompt-dismiss{color:var(--color-text-muted);cursor:pointer;background:0 0;border:none;flex-shrink:0;padding:4px 8px;font-size:16px;line-height:1}@media(prefers-reduced-motion:no-preference){.install-prompt{animation:.24s ease-out both install-prompt-slide-in}}@keyframes install-prompt-slide-in{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.longpress-hint{left:50%;bottom:calc(120px + max(env(safe-area-inset-bottom),1.5rem));z-index:22;border:1px solid rgba(var(--accent-rgb),.4);-webkit-backdrop-filter:blur(12px);max-width:calc(100% - 24px);color:var(--color-text-secondary);cursor:pointer;-webkit-tap-highlight-color:transparent;background:#1c1c1cf5;border-radius:9999px;padding:9px 16px;font-size:13px;line-height:1.3;position:fixed;transform:translate(-50%);box-shadow:0 -2px 12px #0006}@media(prefers-reduced-motion:no-preference){.longpress-hint{animation:.24s ease-out both longpress-hint-slide-in}}@keyframes longpress-hint-slide-in{0%{opacity:0;transform:translate(-50%,16px)}to{opacity:1;transform:translate(-50%)}}.update-toast{left:12px;right:12px;bottom:calc(120px + max(env(safe-area-inset-bottom),1.5rem));z-index:22;-webkit-backdrop-filter:blur(12px);border:1px solid var(--color-border-subtle);border-left:3px solid var(--accent);color:var(--color-text-secondary);cursor:pointer;background:#1c1c1cf5;border-radius:12px;align-items:center;gap:8px;max-width:calc(100% - 24px);padding:10px 14px;font-size:13px;display:flex;position:fixed;box-shadow:0 -2px 12px #0006}.update-toast-label{flex:1;min-width:0;line-height:1.3}.update-toast-dismiss{color:var(--color-text-muted);cursor:pointer;background:0 0;border:none;flex-shrink:0;padding:4px 8px;font-size:16px;line-height:1}@media(prefers-reduced-motion:no-preference){.update-toast{animation:.24s ease-out both install-prompt-slide-in}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-ordinal{syntax:"*";inherits:false}@property --tw-slashed-zero{syntax:"*";inherits:false}@property --tw-numeric-figure{syntax:"*";inherits:false}@property --tw-numeric-spacing{syntax:"*";inherits:false}@property --tw-numeric-fraction{syntax:"*";inherits:false}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}@property --tw-backdrop-blur{syntax:"*";inherits:false}@property --tw-backdrop-brightness{syntax:"*";inherits:false}@property --tw-backdrop-contrast{syntax:"*";inherits:false}@property --tw-backdrop-grayscale{syntax:"*";inherits:false}@property --tw-backdrop-hue-rotate{syntax:"*";inherits:false}@property --tw-backdrop-invert{syntax:"*";inherits:false}@property --tw-backdrop-opacity{syntax:"*";inherits:false}@property --tw-backdrop-saturate{syntax:"*";inherits:false}@property --tw-backdrop-sepia{syntax:"*";inherits:false}@property --tw-ease{syntax:"*";inherits:false}