:root{--bg: #0c0f14;--surface: #141a24;--surface-2: #1b2433;--border: #2a3548;--text: #e8edf5;--muted: #8b9bb5;--accent: #3dd6c6;--accent-dim:#2a9d90;--danger: #f07178;--success: #3dd6c6;--radius: 14px;--radius-sm: 8px;--font: "Outfit", system-ui, sans-serif;--mono: "JetBrains Mono", ui-monospace, monospace;--safe-b: env(safe-area-inset-bottom, 0px)}*,*:before,*:after{box-sizing:border-box}html{-webkit-tap-highlight-color:transparent}body{margin:0;min-height:100dvh;font-family:var(--font);color:var(--text);background:radial-gradient(ellipse 100% 40% at 50% 0%,rgba(61,214,198,.1) 0%,transparent 70%),var(--bg);overflow-x:hidden}.app{display:flex;flex-direction:column;min-height:100dvh;max-width:480px;margin:0 auto}.topbar{position:sticky;top:0;z-index:100;display:flex;align-items:center;justify-content:space-between;padding:.75rem 1.1rem;background:#0c0f14d9;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}.topbar__brand{display:flex;align-items:center;gap:.55rem}.topbar__logo{display:grid;place-items:center;width:2rem;height:2rem;border-radius:8px;background:linear-gradient(135deg,var(--accent),var(--accent-dim));color:var(--bg);font-size:1rem;font-weight:700;flex-shrink:0}.topbar__name{font-size:1.1rem;font-weight:700;letter-spacing:-.02em}.topbar__actions{display:flex;align-items:center;gap:.5rem}.topbar__bt-btn{display:flex;align-items:center;gap:.4rem;padding:.35rem .75rem;border:1px solid var(--border);border-radius:999px;background:var(--surface-2);color:var(--text);font-size:.78rem;font-weight:600;cursor:pointer;transition:border-color .15s,background .15s}.topbar__bt-btn:hover{border-color:var(--accent);background:#3dd6c614}.bt-dot{width:7px;height:7px;border-radius:50%;flex-shrink:0}.bt-dot--on{background:var(--accent);box-shadow:0 0 6px var(--accent)}.bt-dot--off{background:var(--muted)}.bt-label{line-height:1}.topbar__settings-btn{display:grid;place-items:center;width:2.25rem;height:2.25rem;border:none;border-radius:50%;background:transparent;color:var(--muted);cursor:pointer;transition:color .15s,background .15s}.topbar__settings-btn:hover{color:var(--text);background:var(--surface-2)}.main-page{flex:1;padding:1.25rem 1.1rem 0;display:flex;flex-direction:column;gap:1.5rem}.save-bar{position:sticky;bottom:0;margin-top:auto;margin-left:-1.1rem;margin-right:-1.1rem;padding:.9rem 1.1rem calc(.9rem + var(--safe-b));background:#0c0f14f0;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-top:1px solid var(--border);display:flex;flex-direction:column;gap:.55rem}.save-bar__hint{margin:0;font-size:.8rem;color:var(--muted);line-height:1.4}.btn--save{width:100%;min-height:48px;font-size:1rem}.save-detail--muted{font-size:.78rem;opacity:.75}.banner{padding:.75rem 1rem;border-radius:var(--radius-sm);font-size:.85rem;line-height:1.5}.banner--warn{background:#ffa0001a;border:1px solid rgba(255,160,0,.3);color:#ffd080}.sign-row{display:flex;align-items:center;justify-content:space-between}.sign-name{margin:0;font-size:1.4rem;font-weight:700;letter-spacing:-.02em;color:var(--text)}.section{display:flex;flex-direction:column;gap:.75rem}.section__title{margin:0;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.07em;color:var(--muted)}.brightness-bar{display:flex;flex-direction:column;gap:.6rem;transition:opacity .2s}.brightness-bar--disabled{opacity:.38;pointer-events:none}.brightness-bar__row{display:flex;align-items:center;gap:.5rem}.brightness-bar__icon{color:var(--muted);flex-shrink:0}.brightness-bar__label{font-size:.85rem;color:var(--muted)}.brightness-bar__slider{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:100%;height:6px;border-radius:999px;background:linear-gradient(90deg,var(--accent) var(--val, 50%),var(--surface-2) var(--val, 50%));outline:none;cursor:pointer}.brightness-bar__slider::-webkit-slider-thumb{-webkit-appearance:none;width:26px;height:26px;border-radius:50%;background:var(--accent);box-shadow:0 0 8px #3dd6c666;cursor:pointer;transition:transform .1s}.brightness-bar__slider::-webkit-slider-thumb:active{transform:scale(1.15)}.brightness-bar__slider::-moz-range-thumb{width:26px;height:26px;border:none;border-radius:50%;background:var(--accent);cursor:pointer}.preset-grid{display:grid;grid-template-columns:1fr 1fr;gap:.75rem;transition:opacity .2s}.preset-grid--disabled{opacity:.38;pointer-events:none}.preset-card{display:flex;flex-direction:column;border:2px solid var(--border);border-radius:var(--radius);background:var(--surface);overflow:hidden;cursor:pointer;transition:border-color .15s,transform .12s,box-shadow .15s;padding:0}.preset-card:active{transform:scale(.97)}.preset-card:not(:disabled):hover{border-color:var(--muted)}.preset-card--active{border-color:var(--accent);box-shadow:0 0 0 3px #3dd6c62e}.preset-card:disabled{opacity:.5;cursor:not-allowed}.preset-card__swatch{height:64px;width:100%}.preset-card__name{display:block;padding:.55rem .75rem;font-size:.85rem;font-weight:600;color:var(--text);text-align:left}.effect-card__swatch{position:relative;height:72px}.effect-card__label-top{position:absolute;bottom:6px;left:8px;right:8px;font-size:.65rem;font-weight:500;color:#ffffffbf;text-shadow:0 1px 3px rgba(0,0,0,.7);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.group-builder{display:flex;flex-direction:column;gap:.55rem}.group-builder__label{margin:0;font-size:.78rem;color:var(--muted)}.group-builder__label--spaced{margin-top:.75rem}.group-assign__hint{margin:0 0 .65rem;font-size:.78rem;color:var(--muted)}.group-assign__whole{display:flex;align-items:center;gap:.5rem;margin-bottom:.75rem;flex-wrap:wrap}.group-assign__whole-label{font-size:.72rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);flex-shrink:0}.group-assign__whole-swatches{display:flex;flex-wrap:wrap;gap:.35rem}.group-assign__swatch-btn{padding:0;border:2px solid transparent;border-radius:8px;background:none;cursor:pointer}.group-assign__swatch-btn:focus-visible{outline:2px solid var(--accent, #4a9eff)}.group-assign__swatch{display:block;width:2rem;height:2rem;border-radius:6px}.group-assign__swatch--off{background:linear-gradient(135deg,#1a1a2e,#0c0c1a)}.group-assign__letters{display:flex;flex-wrap:wrap;gap:.4rem;margin-bottom:.75rem}.group-assign__letter{min-width:2.4rem;padding:.45rem .55rem;font-size:1rem;font-weight:700;border:2px solid var(--border);border-radius:8px;background:var(--surface-2);color:var(--text);cursor:pointer}.group-assign__letter--active{border-color:var(--accent, #4a9eff);background:#4a9eff26}.group-assign__letter--done{box-shadow:inset 0 0 0 1px #78c87880}.group-assign__modes{display:flex;gap:.35rem;margin-bottom:.65rem}.group-assign__mode{flex:1;padding:.45rem .5rem;font-size:.8rem;font-weight:600;border:1px solid var(--border);border-radius:8px;background:var(--surface-2);color:var(--muted);cursor:pointer}.group-assign__mode--active{border-color:var(--accent, #4a9eff);color:var(--text);background:#4a9eff1f}.group-assign__picker{margin-bottom:.65rem}.group-assign__border{margin-top:.75rem}.group-assign__border-label{margin:0 0 .4rem;font-size:.72rem;color:var(--muted)}.group-assign__list{list-style:none;margin:.75rem 0 0;padding:0;display:flex;flex-direction:column;gap:.4rem}.group-builder__chips{display:flex;flex-wrap:wrap;gap:.4rem}.group-builder__input{width:100%;border:1px solid var(--border);border-radius:8px;background:var(--surface-2);color:var(--text);padding:.58rem .7rem;font-size:.9rem}.group-builder__input:focus{outline:2px solid var(--accent);outline-offset:1px}.group-builder__actions{margin-top:.2rem}.chip--active{border-color:var(--accent);color:var(--accent)}.group-list{display:flex;flex-direction:column;gap:.35rem}.group-list__item{display:flex;justify-content:space-between;align-items:center;padding:.5rem .65rem;border:1px solid var(--border);border-radius:8px;background:var(--surface-2)}.group-list__name{font-size:.82rem;color:var(--text);font-weight:600}.btn--ghost{background:transparent;border:none;cursor:pointer;padding:.25rem .5rem;border-radius:6px;color:var(--muted);font-size:.8rem;line-height:1;transition:color .15s,background .15s}.btn--ghost:hover:not(:disabled){color:var(--text);background:var(--border)}.btn--ghost:disabled{opacity:.4;cursor:not-allowed}.btn--icon{flex-shrink:0}.group-list__meta{font-size:.75rem;color:var(--muted)}.custom-colors{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}.custom-colors__toggle{width:100%;display:flex;align-items:center;justify-content:space-between;padding:.9rem 1rem;background:none;border:none;color:var(--text);font-size:.9rem;font-weight:600;cursor:pointer;transition:background .15s}.custom-colors__toggle:hover{background:var(--surface-2)}.custom-colors__body{padding:0 1rem 1rem;display:flex;flex-direction:column;gap:.9rem;border-top:1px solid var(--border)}.custom-colors__pickers{display:flex;flex-wrap:wrap;gap:.6rem;padding-top:.9rem}.custom-colors__empty{margin:.9rem 0 0;font-size:.82rem;color:var(--muted);line-height:1.5}.color-pill{display:flex;align-items:center;gap:.4rem;padding:.4rem .7rem .4rem .6rem;border:1px solid var(--border);border-radius:999px;background:var(--surface-2);cursor:pointer;transition:border-color .15s}.color-pill:hover{border-color:var(--accent)}.color-pill__label{font-size:.82rem;font-weight:600;color:var(--text);min-width:1ch}.color-pill__swatch{width:18px;height:18px;border-radius:50%;border:2px solid rgba(255,255,255,.15);flex-shrink:0}.color-pill input[type=color]{position:absolute;opacity:0;width:0;height:0}.sheet-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:200;background:#0000008c;opacity:0;pointer-events:none;transition:opacity .28s ease;backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px)}.sheet-backdrop--visible{opacity:1;pointer-events:auto}.sheet{position:fixed;bottom:0;top:auto;z-index:201;max-height:92dvh;background:var(--surface);border-top-left-radius:20px;border-top-right-radius:20px;border-top:1px solid var(--border);display:flex;flex-direction:column;transform:translateY(100%);transition:transform .32s cubic-bezier(.32,1,.4,1);max-width:480px;margin:0 auto;left:0;right:0}.sheet--open{transform:translateY(0)}.sheet__header{display:flex;align-items:center;justify-content:space-between;padding:.6rem 1rem .7rem;flex-shrink:0;border-bottom:1px solid var(--border);gap:1rem}.sheet__handle{position:absolute;left:50%;transform:translate(-50%);top:.55rem;width:36px;height:4px;border-radius:2px;background:var(--border)}.sheet__title{flex:1;text-align:center;font-size:1rem;font-weight:600;letter-spacing:-.01em}.sheet__close{display:grid;place-items:center;width:2rem;height:2rem;border:none;border-radius:50%;background:var(--surface-2);color:var(--muted);cursor:pointer;transition:color .15s,background .15s;flex-shrink:0}.sheet__close:hover{color:var(--text);background:var(--border)}.sheet__body{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:0 0 calc(1.5rem + var(--safe-b))}.sheet__section{padding:.75rem 1rem 0}.sheet__section+.sheet__section{border-top:1px solid var(--border)}.log-toggle{display:flex;align-items:center;justify-content:space-between;width:100%;padding:.7rem 0;background:none;border:none;color:var(--muted);font-size:.82rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;cursor:pointer;transition:color .15s}.log-toggle:hover{color:var(--text)}.card{background:transparent;padding:.5rem 0 .75rem}.card h2{margin:0 0 .5rem;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.07em;color:var(--muted)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;padding:.65rem 1.25rem;border-radius:var(--radius-sm);font-family:var(--font);font-size:.9rem;font-weight:600;cursor:pointer;transition:background .15s,border-color .15s,opacity .15s,transform .1s;border:1px solid transparent;text-decoration:none;min-height:44px}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.4;cursor:not-allowed;transform:none}.btn--primary{background:var(--accent);color:var(--bg);border-color:var(--accent)}.btn--primary:not(:disabled):hover{background:var(--accent-dim);border-color:var(--accent-dim)}.btn--ghost{background:transparent;color:var(--text);border-color:var(--border)}.btn--ghost:not(:disabled):hover{border-color:var(--accent);color:var(--accent)}.btn--danger{background:transparent;color:var(--danger);border-color:var(--danger)}.btn--danger:not(:disabled):hover{background:#f071781a}.btn--sm{padding:.4rem .85rem;font-size:.8rem;min-height:36px}.btn--full{width:100%}.hint{margin:0 0 .75rem;font-size:.82rem;color:var(--muted);line-height:1.5}.hint--error{color:var(--danger)}.field{display:flex;flex-direction:column;gap:.35rem;margin-bottom:.75rem;font-size:.85rem;color:var(--muted)}.field input{padding:.6rem .8rem;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface-2);color:var(--text);font-family:var(--font);font-size:.9rem;outline:none;transition:border-color .15s}.field input:focus{border-color:var(--accent)}.check{display:flex;align-items:center;gap:.5rem;font-size:.85rem;color:var(--muted);margin-bottom:.75rem;cursor:pointer}.actions{display:flex;gap:.6rem;flex-wrap:wrap;margin-bottom:.5rem}.device-label{margin:.5rem 0 0;font-size:.8rem;color:var(--muted)}.map-string-input{width:100%;padding:.55rem .65rem;border:1px solid var(--border);border-radius:8px;background:var(--surface-2);color:var(--text);font-family:var(--mono);font-size:.88rem;line-height:1.35;resize:vertical;min-height:3.4rem}.map-string-input:focus{outline:none;border-color:var(--accent)}.map-string-input--error{border-color:#d85f5f}.map-errors,.map-warnings{margin:0 0 .7rem;padding:.5rem .65rem;border-radius:8px;font-size:.78rem}.map-errors{background:#d85f5f24;border:1px solid rgba(216,95,95,.45);color:#ffc4c4}.map-warnings{background:#e2b74921;border:1px solid rgba(226,183,73,.45);color:#ffdd9a}.map-errors p,.map-warnings p{margin:0}.map-errors p+p,.map-warnings p+p{margin-top:.25rem}.map-active{margin-bottom:.75rem}.map-active__title{margin:0 0 .4rem;font-size:.8rem;color:var(--muted)}.map-active__chips{display:flex;flex-wrap:wrap;gap:.35rem}.map-load-row{display:flex;align-items:center;gap:.75rem;flex-wrap:wrap;margin-bottom:1rem}.btn--load{display:inline-flex;align-items:center;gap:.4rem;padding:.5rem 1rem;border-radius:.5rem;font-size:.875rem;font-weight:600;background:var(--surface2);color:var(--text);border:1.5px solid var(--border);cursor:pointer;transition:background .15s,border-color .15s;white-space:nowrap}.btn--load:hover:not(:disabled){background:var(--surface3, #2a2a3a);border-color:var(--accent)}.btn--load:disabled{opacity:.45;cursor:not-allowed}.btn-spinner{display:inline-block;width:14px;height:14px;border:2px solid currentColor;border-top-color:transparent;border-radius:50%;animation:spin .7s linear infinite;flex-shrink:0}.load-status{font-size:.8rem;font-weight:500;padding:.25rem .6rem;border-radius:.4rem;flex-shrink:0}.load-status--ok{color:#4ade80;background:#4ade801f}.load-status--unconfigured{color:#94a3b8;background:#94a3b81a}.load-status--error{color:#f87171;background:#f871711f}.map-generate{margin-bottom:.65rem}.btn--secondary{background:var(--surface-2);border:1px solid var(--border);color:var(--text)}.btn--secondary:not(:disabled):hover{border-color:var(--accent)}.letter-rows{border:1px solid var(--border);border-radius:10px;padding:.6rem;background:#1b243359;margin-bottom:.7rem}.letter-row{display:grid;grid-template-columns:2.3rem 2.3rem 1fr 1fr;gap:.45rem;align-items:center}.letter-row+.letter-row{margin-top:.45rem}.letter-row--header{font-size:.68rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin-bottom:.2rem}.letter-row__col-label{text-align:center}.letter-row__tag,.letter-row__char{font-size:.8rem;color:var(--muted);text-align:center;border:1px solid var(--border);border-radius:6px;padding:.25rem .1rem;background:var(--surface-2)}.letter-row__led{width:100%;padding:.35rem .5rem;border:1px solid var(--border);border-radius:6px;background:var(--surface-2);color:var(--text)}.chip{display:inline-flex;align-items:center;justify-content:center;padding:.25rem .55rem;border:1px solid var(--border);border-radius:6px;background:var(--surface-2);color:var(--muted);font-size:.75rem;font-weight:600;cursor:pointer;transition:border-color .12s,color .12s}.chip:not(:disabled):hover{border-color:var(--accent);color:var(--accent)}.chip:disabled{opacity:.35;cursor:not-allowed}.chip--sm{padding:.2rem .45rem;font-size:.7rem}.chip+.chip{margin-left:.3rem}.log-panel{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg);overflow:hidden}.log-panel__header{display:flex;align-items:center;justify-content:space-between;padding:.4rem .7rem;border-bottom:1px solid var(--border);background:var(--surface-2)}.log-panel__title{font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}.log-panel__body{max-height:200px;overflow-y:auto;padding:.5rem .7rem;font-family:var(--mono);font-size:.72rem;line-height:1.6;color:var(--muted)}.log-panel__line{white-space:pre-wrap;word-break:break-all}@keyframes fadeIn{0%{opacity:0;transform:scale(.92)}to{opacity:1;transform:scale(1)}}@keyframes spin{to{transform:rotate(360deg)}}.save-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:500;display:flex;align-items:center;justify-content:center;background:#0c0f14c7;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}.save-card{display:flex;flex-direction:column;align-items:center;gap:.75rem;min-width:240px;max-width:320px;padding:2rem 2.25rem;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);text-align:center;animation:fadeIn .18s ease}.save-card--saving{border-color:var(--border)}.save-card--saved{border-color:var(--accent)}.save-card--error{border-color:var(--danger)}.save-icon{display:flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:50%;font-size:1.5rem;font-weight:700}.save-card--saving .save-icon{background:var(--surface-2)}.save-card--saved .save-icon{background:#3dd6c626;color:var(--accent)}.save-card--error .save-icon{background:#f0717826;color:var(--danger)}.save-spinner{display:block;width:24px;height:24px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite}.save-title{margin:0;font-size:1.05rem;font-weight:600}.save-card--saved .save-title{color:var(--accent)}.save-card--error .save-title{color:var(--danger)}.save-detail{margin:0;font-size:.82rem;color:var(--muted);line-height:1.5}@media(min-width:481px){.app,.sheet{border-left:1px solid var(--border);border-right:1px solid var(--border)}}