:root{--ink:#11100e;--paper:#f5efe2;--panel:#f5efe2;--field:#7ea1c5;--signal:#ff5d3a;--acid:#dbff48;--soft:#d8cff5;--art-accent:#ff6f4a;--font-display:"Arial Black", "Helvetica Neue", Impact, sans-serif;--font-body:"Helvetica Neue", Helvetica, Arial, sans-serif;--font-mono:"Courier New", Courier, monospace}*{box-sizing:border-box}html{background:var(--ink);color:var(--ink);font-family:var(--font-body);-webkit-text-size-adjust:100%}body{background:var(--ink);min-width:320px;min-height:100svh;margin:0}button,input{font:inherit}button{color:inherit}button:focus-visible,input:focus-visible,[role=button]:focus-visible{outline-offset:3px;outline:3px solid #fff}.tone-app{--journey-panel:#f5efe2;--journey-field:#7ea1c5;--journey-signal:#ff5d3a;isolation:isolate;background:var(--journey-field);grid-template-rows:52px minmax(0,1fr) auto;width:100%;height:100svh;min-height:640px;display:grid;position:relative;overflow:clip}.tone-app.journey-bedtime{--journey-panel:#ded6f6;--journey-field:#25213d;--journey-signal:#a26cff}.tone-app.journey-between{--journey-panel:#e8ff55;--journey-field:#ff6947;--journey-signal:#365aff}.tone-app.journey-window{--journey-panel:#f4eee2;--journey-field:#789cc3;--journey-signal:#ff5b3b}.atmosphere{z-index:-1;background:radial-gradient(circle at 78% 12%, color-mix(in srgb, var(--art-accent) 74%, transparent) 0, transparent 28%), radial-gradient(circle at 16% 88%, color-mix(in srgb, var(--journey-panel) 28%, transparent) 0, transparent 30%);filter:blur(44px);opacity:.64;transition:background .65s;position:absolute;inset:0}.topbar{z-index:20;border-bottom:2px solid var(--ink);background:var(--ink);color:#fff;grid-template-columns:auto 1fr auto;align-items:center;gap:12px;min-width:0;padding:6px 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var(--ink);margin-inline:auto;position:relative;overflow:hidden}.artwork{object-fit:cover;-webkit-user-select:none;user-select:none;-webkit-user-drag:none;width:100%;height:100%;transition:opacity .22s,filter .4s;display:block}.art-wash{border:6px solid color-mix(in srgb, var(--art-accent) 35%, transparent);mix-blend-mode:multiply;pointer-events:none;position:absolute;inset:0;box-shadow:inset 0 0 0 1px #ffffff47}.art-index{z-index:3;pointer-events:none;gap:1px;display:flex;position:absolute;top:10px;left:10px}.art-index span{background:var(--ink);color:#fff;min-width:30px;height:25px;font-family:var(--font-mono);place-items:center;font-size:10px;font-weight:700;display:grid}.art-index span:last-child{color:var(--ink);background:#fff}.sound-stamp{z-index:3;background:var(--journey-signal);color:var(--ink);font-family:var(--font-display);letter-spacing:-.08em;pointer-events:none;padding:7px 9px 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