.ec-body{--paper: #f5efe4;--paper-2: #ece2d2;--card: #fffaf2;--ink: #2a2320;--ink-2: #6b5d52;--ink-3: #9a8b7e;--line: #e4d6c3;--line-2: #d6c4ad;--accent: #c95f33;--accent-ink: #fffaf3;--accent-soft: #f6dccb;--warm: #c2532a;--cool: #2f64a0;--sage: #5f8f6e;--shadow-sm: 0 1px 2px rgba(90, 55, 30, .08), 0 2px 8px rgba(90, 55, 30, .06);--shadow: 0 2px 6px rgba(90, 55, 30, .07), 0 14px 36px rgba(90, 55, 30, .12);--radius: 20px;--radius-sm: 12px;--serif: "Literata", Georgia, "Times New Roman", serif;--sans: "Nunito", system-ui, -apple-system, "Segoe UI", sans-serif;--mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;background-color:var(--paper);background-image:radial-gradient(1100px 650px at 90% -10%,rgba(255,205,160,.42),transparent 60%),radial-gradient(900px 600px at -10% 35%,rgba(185,210,200,.28),transparent 60%);background-attachment:fixed;color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;margin:0}@media 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button{margin-top:8px}.ec-app{padding-top:14px}.ec-modes{display:flex;gap:4px;padding:4px;border-radius:999px;background:var(--paper-2);overflow-x:auto;scrollbar-width:none;margin-bottom:14px}.ec-modes::-webkit-scrollbar{display:none}.ec-mode{flex:1 0 auto;display:flex;flex-direction:column;align-items:center;padding:8px 16px;border:0;border-radius:999px;background:transparent;cursor:pointer;font-weight:800;font-size:15px;color:var(--ink-2);white-space:nowrap;transition:background .2s,color .2s}.ec-mode small{font-weight:600;font-size:11.5px;color:var(--ink-3)}.ec-mode.is-on{background:var(--card);color:var(--ink);box-shadow:var(--shadow-sm)}@media (max-width: 700px){.ec-mode{padding:8px 12px;font-size:14px}.ec-mode small{display:none}}.ec-main{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:16px;align-items:start}@media (max-width: 960px){.ec-main{grid-template-columns:1fr}}.ec-stage{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;height:clamp(360px,64vh,640px);touch-action:pan-y}@media (max-width: 700px){.ec-stage{height:min(118vw,72svh);border-radius:16px}}.ec-canvas{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;display:block}.ec-overlay{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none}.ec-readout{position:absolute;top:12px;left:12px;display:flex;flex-wrap:wrap;gap:6px;max-width:calc(100% - 24px)}.ec-readout span{background:color-mix(in srgb,var(--card) 88%,transparent);border:1px solid var(--line);border-radius:999px;padding:3px 10px;font-size:13px;color:var(--ink-2);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.ec-readout b{font-family:var(--mono);font-weight:600;color:var(--ink)}.ec-center-msg{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;text-align:center;padding:24px;color:var(--ink-2);font-size:16px}.ec-center-msg>div{max-width:360px;background:color-mix(in srgb,var(--card) 90%,transparent);padding:14px 18px;border-radius:var(--radius-sm);border:1px solid var(--line)}.ec-big{position:absolute;left:50%;bottom:18px;transform:translate(-50%);text-align:center;background:color-mix(in srgb,var(--card) 90%,transparent);border:1px solid var(--line);border-radius:16px;padding:8px 18px}.ec-big b{display:block;font-family:var(--mono);font-size:30px;line-height:1.1;color:var(--ink)}.ec-big span{font-size:13px;color:var(--ink-2)}.ec-stage-tools{position:absolute;right:12px;top:12px;display:flex;gap:6px;pointer-events:auto}.ec-panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px 16px;box-shadow:var(--shadow-sm);display:grid;gap:14px}.ec-group{display:grid;gap:7px}.ec-label{font-size:12.5px;font-weight:800;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-3);display:flex;justify-content:space-between;gap:8px}.ec-label output{font-family:var(--mono);text-transform:none;letter-spacing:0;color:var(--ink-2);font-weight:600}.ec-chips{display:flex;flex-wrap:wrap;gap:6px}.ec-chip{padding:6px 12px;border-radius:999px;border:1px solid var(--line-2);background:transparent;cursor:pointer;font-weight:700;font-size:14px;color:var(--ink-2);transition:background .15s,color .15s,border-color .15s}.ec-chip:hover{border-color:var(--ink-3);color:var(--ink)}.ec-chip.is-on{background:var(--ink);border-color:var(--ink);color:var(--paper)}.ec-chip.is-weak{text-decoration:line-through;text-decoration-color:color-mix(in srgb,var(--accent) 70%,transparent)}.ec-note{font-size:13px;color:var(--ink-3);margin:0}.ec-note b{font-family:var(--mono);font-weight:600;color:var(--ink-2)}.ec-warn{font-size:13px;color:var(--accent);margin:0}.ec-row{display:flex;align-items:center;gap:10px}.ec-row>span{font-size:13px;color:var(--ink-3);min-width:26px}.ec-body input[type=range]{width:100%;accent-color:var(--accent)}.ec-switch{display:flex;align-items:center;justify-content:space-between;gap:10px;cursor:pointer;font-weight:700;font-size:15px}.ec-switch small{display:block;font-weight:500;font-size:12.5px;color:var(--ink-3)}.ec-switch input{-moz-appearance:none;appearance:none;-webkit-appearance:none;width:42px;height:24px;border-radius:999px;background:var(--line-2);position:relative;flex:none;cursor:pointer;transition:background .2s;margin:0}.ec-switch input:after{content:"";position:absolute;top:3px;left:3px;width:18px;height:18px;border-radius:50%;background:var(--card);box-shadow:var(--shadow-sm);transition:transform .2s}.ec-switch input:checked{background:var(--accent)}.ec-switch input:checked:after{transform:translate(18px)}.ec-panel__actions{display:flex;gap:8px;flex-wrap:wrap}.ec-status{display:flex;flex-wrap:wrap;align-items:center;gap:6px 18px;padding:12px 4px 0;font-size:14px;color:var(--ink-2)}.ec-status b{font-family:var(--mono);font-weight:600;color:var(--ink)}.ec-state{display:inline-flex;align-items:center;gap:8px;font-weight:800;color:var(--ink)}.ec-state:before{content:"";width:9px;height:9px;border-radius:50%;background:var(--ink-3)}.ec-state.is-locked:before{background:var(--sage);box-shadow:0 0 0 4px color-mix(in srgb,var(--sage) 25%,transparent)}.ec-state.is-busy:before{background:var(--accent);animation:ec-blink 1s infinite}.ec-state.is-failed:before{background:var(--accent)}@keyframes ec-blink{50%{opacity:.3}}.ec-meter{display:inline-block;width:56px;height:6px;border-radius:3px;background:var(--line);vertical-align:middle;overflow:hidden}.ec-meter i{display:block;height:100%;background:var(--accent)}.ec-demo-tag{font-size:11px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;padding:2px 8px;border-radius:999px;background:var(--accent-soft);color:var(--accent)}.ec-explain{margin:12px 4px 0;color:var(--ink-2);font-size:16px;max-width:860px}.ec-explain+.ec-explain{margin-top:8px}.ec-device{margin-top:16px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}.ec-device summary{cursor:pointer;padding:12px 16px;font-weight:800;list-style:none;display:flex;align-items:center;gap:8px}.ec-device summary::-webkit-details-marker{display:none}.ec-device summary:after{content:"▾";margin-left:auto;color:var(--ink-3);transition:transform .2s}.ec-device[open] summary:after{transform:rotate(180deg)}.ec-device__body{padding:0 16px 16px;display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:16px}@media (max-width: 760px){.ec-device__body{grid-template-columns:1fr}}.ec-device__chart{width:100%;height:200px;display:block}.ec-device__facts{margin:0;display:grid;gap:6px;font-size:14px}.ec-device__facts dt{color:var(--ink-3);font-size:12.5px}.ec-device__facts dd{margin:0 0 4px;font-family:var(--mono);color:var(--ink);word-break:break-word}.ec-article{max-width:760px;margin:56px auto 0}.ec-article__heading{font-size:clamp(28px,4vw,38px);margin:0 0 8px}.ec-sec h3{font-size:23px;margin:30px 0 8px}.ec-sec p,.ec-sec li{color:var(--ink)}.ec-sec p{margin:0 0 12px}.ec-sec ul{padding-left:20px;margin:0 0 12px}.ec-sec li{margin-bottom:6px}.ec-fig{margin:18px 0 20px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);padding:12px;box-shadow:var(--shadow-sm)}.ec-fig canvas{width:100%;height:260px;display:block}.ec-fig figcaption{font-size:14px;color:var(--ink-2);margin-top:8px}.ec-foot{display:flex;justify-content:space-between;gap:12px;margin:56px 0 0;padding-top:18px;border-top:1px solid var(--line);font-size:14px;color:var(--ink-3)}.ec-foot a{text-decoration:none;color:var(--ink-2)}