@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+TC:wght@400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');
:root{--bg:#101313;--panel:#181c1b;--line:#303634;--muted:#a0aba6;--white:#eff4ef;--lime:#c9f77b;--orange:#e6ad7f}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--white);font:16px 'Space Grotesk','Noto Sans TC',sans-serif}button,input,textarea,select{font:inherit}button,select,input[type=range],input[type=checkbox]{cursor:pointer}button{color:inherit;background:none;border:1px solid var(--line);border-radius:7px}button:hover{border-color:var(--lime)}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--lime);outline-offset:4px}header{height:92px;display:flex;align-items:center;gap:28px;max-width:1600px;padding:0 44px;margin:auto;border-bottom:1px solid var(--line)}.brand{color:var(--white);text-decoration:none;display:flex;align-items:center;gap:12px;font-weight:700;font-size:21px}.brand-icon{display:grid;place-items:center;background:var(--lime);color:#172210;font-size:40px;width:42px;height:48px;border-radius:12px 3px 12px 3px}.brand small{display:block;font-size:11px;letter-spacing:3px;margin-top:3px}.header-label{color:var(--muted);font-size:14px}.version{margin-left:auto;font-size:12px;letter-spacing:2px;color:var(--muted)}main{max-width:1600px;display:grid;grid-template-columns:360px 1fr;margin:auto}aside{padding:38px 30px 35px 44px;border-right:1px solid var(--line)}.eyebrow{color:var(--lime);font-size:12px;letter-spacing:2px;font-weight:600}h1{font-size:30px;line-height:1.55;letter-spacing:-1px;margin:18px 0 12px}h2{font-size:22px;margin:10px 0 0;font-weight:500}.intro{color:var(--muted);font-size:14px;line-height:1.8;margin-bottom:30px}label{display:block;font-size:14px;margin:20px 0 10px}.sub{display:block;font-size:12px;color:var(--muted);margin-top:7px}textarea,input[type=number],select{width:100%;background:#101413;border:1px solid #3c443f;color:var(--white);border-radius:7px;padding:11px}textarea{resize:vertical;line-height:1.8;font-size:15px;min-height:128px}select{min-height:46px}.chips{display:flex;flex-wrap:wrap;gap:7px;margin-top:12px}.chips button{font-size:12px;border-radius:20px;padding:7px 10px;color:#c3cdc6}.bar-options{display:grid;grid-template-columns:repeat(4,1fr);gap:5px}.bar-options button{padding:9px 0;font-size:13px}.bar-options .selected{background:var(--lime);color:#172210;border-color:var(--lime);font-weight:600}.two{display:grid;grid-template-columns:1fr 1fr;gap:12px}.range-label{display:flex;justify-content:space-between;margin-top:28px}output{color:var(--lime)}input[type=range]{width:100%;accent-color:var(--lime)}.range-captions{display:flex;justify-content:space-between;font-size:12px;color:var(--muted)}.generate{width:100%;background:var(--lime);color:#172210;font-weight:700;padding:16px;margin-top:28px;border:0;display:flex;justify-content:space-between}.generate:hover{background:#dcffa8}.engine-note{font-size:12px;line-height:1.8;color:var(--muted);margin-top:18px}.workspace{padding:38px 42px 24px;min-width:0}.workspace-top,.editor-top{display:flex;align-items:center;justify-content:space-between;gap:16px}.batch{font-size:12px;color:var(--muted);letter-spacing:2px}.interpretation{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0}.tag{font-size:12px;padding:6px 10px;background:#242b26;border:1px solid #384435;color:#d0dfc7;border-radius:4px}.option-list{display:grid;gap:9px}.option{width:100%;display:grid;grid-template-columns:38px 135px 1fr 24px;text-align:left;padding:15px 17px;align-items:center;gap:14px;border-radius:8px;background:#191e1b;min-height:70px}.option.active{border-color:var(--lime);background:#252d21}.option-index{font-size:22px;color:#687462}.option.active .option-index{color:var(--lime)}.option-name{font-size:16px;font-weight:600}.option-name small{display:block;color:var(--muted);font-size:12px;font-weight:400;margin-top:5px}.option-prog{font-size:14px;line-height:1.7;color:#c9d2c8}.option.active .option-prog{color:#e7f3db}.option-arrow{color:var(--lime)}.editor{margin-top:30px;padding:24px;background:var(--panel);border:1px solid var(--line);border-radius:12px}.meta{font-size:13px;color:var(--muted)}.chord-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin:22px 0}.chord{padding:10px 12px;background:#222824;border:1px solid #343e36;border-radius:6px;min-width:0;transition:background .12s}.chord.current{background:#485c30;border-color:var(--lime)}.chord .bar{font-size:11px;color:var(--muted);display:flex;justify-content:space-between}.chord strong{display:block;font-size:22px;font-weight:500;margin:8px 0;color:var(--lime)}.chord .root{font-size:12px;color:#b5c0b6}.roll-head{display:flex;justify-content:space-between;font-size:14px;gap:8px}.roll-head small{font-size:10px;color:var(--muted);letter-spacing:2px;margin-left:8px}.legend{font-size:11px;color:var(--muted);display:flex;align-items:center;gap:6px}.legend i{width:7px;height:7px;background:var(--lime)}.legend .passing{background:var(--orange);margin-left:8px}.piano-roll{height:128px;margin:12px 0 20px;background:#101613;border:1px solid #303b33;border-radius:6px;position:relative;overflow:hidden}.piano-roll svg{display:block;width:100%;height:100%}.sound-controls{display:grid;grid-template-columns:1fr 1fr 90px 1fr;gap:12px}.sound-controls label{margin-top:0;font-size:12px}.sound-controls select,.sound-controls input{font-size:13px;padding:10px 8px;min-height:42px}.transport{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);margin-top:22px;padding-top:20px;gap:15px}.play-group{display:flex;align-items:center;gap:10px}.play{background:var(--lime);color:#152110;border:0;width:47px;height:47px;border-radius:50%}.stop{width:32px;height:34px;color:var(--muted)}.play-group strong{font-size:14px;font-weight:500}.play-group small{display:block;color:var(--muted);font-size:12px;margin-top:5px}.toggles{display:flex;gap:10px;flex-wrap:wrap}.toggles label{margin:0;display:flex;align-items:center;gap:3px;font-size:12px}.toggles input{accent-color:var(--lime)}.volume{display:flex;align-items:center;gap:12px;margin-top:18px}.volume label{margin:0;font-size:12px;color:var(--muted)}.volume input{max-width:120px}.volume button{margin-left:auto;font-size:12px;padding:9px 13px}.detail-note{color:var(--muted);font-size:12px;line-height:1.7;margin:16px 0 0}#status{font-size:13px;color:var(--lime);margin-bottom:0}footer{display:flex;justify-content:space-between;margin-top:24px;color:#819086;font-size:11px;letter-spacing:1px}footer span{letter-spacing:0}@media(min-width:1400px){main{grid-template-columns:400px 1fr}.chord-grid{grid-template-columns:repeat(8,minmax(0,1fr))}.chord{padding:10px 8px}.chord strong{font-size:20px}}@media(max-width:1100px){header{padding:0 24px}.version{display:none}main{grid-template-columns:310px 1fr}aside{padding:30px 22px}.workspace{padding:30px 22px}.option{grid-template-columns:28px 110px 1fr;gap:10px;padding:12px}.option-arrow{display:none}.option-prog{font-size:12px}.sound-controls{grid-template-columns:1fr 1fr}.transport{align-items:flex-start;flex-direction:column}.batch{display:none}}@media(max-width:760px){header{height:78px;padding:0 20px}.header-label{display:none}main{display:block}aside{border-right:0;border-bottom:1px solid var(--line);padding:26px 20px}h1{font-size:28px}h1 br{display:none}.intro{margin-bottom:22px}.workspace{padding:28px 16px}.option{grid-template-columns:28px 1fr 20px}.option-prog{grid-column:2/4;font-size:13px}.option-arrow{display:block;grid-column:3;grid-row:1}.editor{padding:18px 14px}.chord strong{font-size:18px}.chord{padding:9px 7px}.meta{font-size:11px}.chord-grid{gap:5px}.legend{font-size:10px}footer{font-size:10px;gap:12px}.sound-controls{gap:10px}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}
.sound-controls{grid-template-columns:1fr 1fr 100px}.pattern-panel{border-top:1px solid var(--line);margin-top:22px;padding-top:20px}.pattern-heading{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}.pattern-heading label{margin:0;font-size:16px}.pattern-heading>span{font-size:12px;color:var(--muted)}.pattern-count{font-size:12px;color:var(--lime);padding:4px 8px;margin-left:8px;border:1px solid #425037;border-radius:20px}.pattern-selects{display:grid;grid-template-columns:minmax(130px,.8fr) minmax(160px,1.4fr);gap:12px;margin-top:14px}.pattern-selects label{font-size:14px;margin:0 0 8px}.pattern-selects select{font-size:14px}.pattern-actions{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}.pattern-actions button{font-size:14px;padding:9px 13px}.pattern-actions button:last-child{margin-left:auto;color:var(--lime)}#pattern-description{font-size:14px;line-height:1.8;color:#d1ddcb;margin:16px 0 12px;min-height:26px}.rhythm-heading{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);gap:8px;margin-bottom:8px}#rhythm-preview{height:48px;background:#101613;border:1px solid #344232;border-radius:5px;overflow:hidden}#rhythm-preview svg{width:100%;height:100%;display:block}.pattern-footnote{font-size:12px;line-height:1.8;color:var(--muted);margin:12px 0 0}@media(max-width:760px){.sound-controls{grid-template-columns:1fr 1fr}.sound-controls>div:last-child{grid-column:1/3}.pattern-selects{grid-template-columns:1fr}.pattern-actions button{padding:9px 10px}.pattern-actions button:last-child{margin-left:0}}

.edit-hint{font-size:14px;color:var(--muted);line-height:1.7;margin-bottom:0}.chord{text-align:left;color:inherit;cursor:pointer;width:100%}.chord.editing{border-color:var(--orange)}.edit-panel,.saved-panel{padding:20px;background:var(--panel);border:1px solid var(--line);border-radius:10px;margin:18px 0}.edit-panel h3{font-size:17px;margin:0 0 12px}.edit-fields{display:grid;grid-template-columns:1fr 1.3fr 1fr;gap:12px}.edit-fields label{margin:0 0 8px}.inline-check{display:flex;align-items:center;gap:8px;line-height:1.6}.inline-check input{accent-color:var(--lime)}.edit-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}.edit-actions button,.save-row button,.record-actions button{padding:10px 13px;font-size:14px}button:disabled{opacity:.4;cursor:default}.edit-actions button:first-child,.save-row button{background:var(--lime);color:#172210}.save-row{display:flex;gap:10px}.save-row input{flex:1;min-width:0;padding:12px;color:var(--white);background:#101413;border:1px solid #3c443f;border-radius:7px;font:inherit}.saved-record{border-top:1px solid var(--line);padding:18px 0;display:flex;gap:12px;justify-content:space-between;align-items:center}.saved-record>div:first-child{min-width:0;overflow-wrap:anywhere}.saved-record strong{font-size:16px}.saved-record p{color:var(--muted);font-size:13px;line-height:1.7;margin:7px 0}.record-actions{display:flex;gap:8px;flex-shrink:0}#records-status{font-size:14px;color:var(--lime);line-height:1.7}@media(max-width:760px){.edit-fields{grid-template-columns:1fr}.save-row,.saved-record{flex-direction:column;align-items:stretch}.record-actions{justify-content:flex-end}}

.melody-panel{margin:22px 0;padding:20px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.melody-sliders{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.melody-sliders label{display:flex;justify-content:space-between;gap:6px}.melody-sliders small{font-size:12px;line-height:1.7;color:var(--muted);display:block}#melody-state{color:var(--lime)}@media(max-width:760px){.melody-sliders{grid-template-columns:1fr;gap:0}}

.api-panel{padding:14px;background:#20291c;border:1px solid #455539;border-radius:8px;margin-bottom:22px}.api-panel .inline-check{margin:0 0 12px}.api-panel summary{cursor:pointer;font-size:14px;color:var(--lime)}.api-panel input[type=password]{width:100%;padding:11px;background:#101413;border:1px solid var(--line);color:var(--white);border-radius:6px;font:inherit}.api-panel button{padding:7px 10px;margin-top:9px;font-size:13px}.api-panel .detail-note{overflow-wrap:anywhere}.ai-analysis{font-size:14px;line-height:1.85;padding:15px 18px;border-left:3px solid var(--lime);background:#1d251b;color:#dce8d2;margin:0 0 20px}.api-panel #api-status{color:#d9e5d0}

.theme-picker{margin-left:auto;display:flex;align-items:center;gap:8px}.theme-picker span{font-size:12px;color:var(--muted);max-width:105px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.theme-picker select{width:130px;min-height:36px;padding:7px 8px;font-size:12px;background:var(--panel);border-color:var(--line)}.theme-picker button{width:34px;height:34px;border-color:var(--lime);color:var(--lime);font-size:17px}.theme-picker button:hover{background:var(--lime);color:var(--bg)}@media(max-width:760px){.theme-picker span{display:none}.theme-picker select{width:120px}.brand small{display:none}}
/* Floating transport: always available while exploring long arrangements. */
body{padding-bottom:92px}.transport{position:fixed;z-index:30;left:50%;bottom:18px;transform:translateX(-50%);width:min(720px,calc(100vw - 32px));margin:0;padding:12px 18px;background:color-mix(in srgb,var(--panel) 94%,transparent);border:1px solid var(--line);border-radius:14px;box-shadow:0 18px 55px #0008;backdrop-filter:blur(16px)}.transport .volume{margin-top:0}.transport .play-group strong::after{content:'  ·  空白鍵播放／暫停';font-size:11px;color:var(--muted);font-weight:400}.transport .stop{font-size:14px}.transport .toggles{margin-left:auto}@media(max-width:760px){body{padding-bottom:142px}.transport{bottom:10px;width:calc(100vw - 20px);padding:11px 13px}.transport .volume{display:none}.transport .play-group strong::after{content:'  ·  Space';}.transport .toggles{margin-left:0}.transport .play-group small{font-size:11px}}
 .option-tags{display:flex;flex-wrap:wrap;gap:5px;margin-top:7px}.option-tags em{font-style:normal;font-size:10px;font-weight:500;color:var(--lime);background:color-mix(in srgb,var(--lime) 9%,transparent);border:1px solid color-mix(in srgb,var(--lime) 35%,transparent);border-radius:10px;padding:3px 7px}.option-pattern{display:block;color:var(--muted);font-size:10px;margin-top:6px;letter-spacing:.2px}
/* Compact three-column studio layout */
main{grid-template-columns:minmax(245px,280px) minmax(0,1fr) minmax(240px,300px);max-width:1800px;position:relative}aside{padding:24px 20px 24px 28px}.workspace{grid-column:2;padding:24px 340px 24px 20px;min-width:0}.workspace .saved-panel{position:absolute;right:20px;top:24px;width:300px;max-width:calc(25% - 20px);max-height:calc(100vh - 48px);overflow:auto;margin:0;padding:20px 18px;background:var(--panel);border:1px solid var(--line);border-radius:12px}.option-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}.option{grid-template-columns:30px 1fr 22px;gap:8px;padding:10px 12px;min-height:66px}.option-prog{grid-column:2/4;font-size:12px}.option-arrow{grid-column:3;grid-row:1}.editor{margin-top:20px;padding:18px}.saved-panel h2{font-size:18px}.saved-panel .detail-note{font-size:11px}.saved-panel .save-row{display:block}.saved-panel .save-row button{width:100%;margin-top:6px}
@media(max-width:1200px){main{grid-template-columns:270px minmax(0,1fr)}.workspace .saved-panel{position:static;width:auto;max-width:none;max-height:none;margin-top:24px}.workspace{grid-column:2;padding:24px 20px}.option-list{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){main{display:block}.workspace{padding:20px 14px}.option-list{grid-template-columns:1fr}.workspace .saved-panel{margin-top:22px}.option{grid-template-columns:28px 1fr 20px}.option-prog{grid-column:2/4}}
/* The records panel is moved to a real third grid column by app.js. */
@media(min-width:1201px){.workspace{padding:24px 20px}.saved-panel{grid-column:3;grid-row:1;position:sticky;top:24px;align-self:start;width:auto;max-height:calc(100vh - 48px);overflow:auto;margin:24px 20px 24px 0;padding:20px 18px;background:var(--panel);border:1px solid var(--line);border-radius:12px}.saved-panel .save-row{display:block}.saved-panel .save-row button{width:100%;margin-top:6px}}
@media(max-width:1200px){.saved-panel{position:static;grid-column:auto;width:auto;max-width:none;max-height:none;margin:24px 20px;padding:20px 18px}}
@media(min-width:1201px){main{grid-template-columns:18% 64% 18%}.workspace{padding-left:24px;padding-right:24px}.saved-panel{margin-right:24px}}
.volume{gap:6px}.volume #midi{margin-left:auto}.volume #wav,.volume #mp3{margin-left:0}
.melody-toggle{margin-left:auto;border:0;color:var(--muted);font-size:12px;padding:4px 8px}.melody-panel .pattern-heading{display:flex;align-items:center;gap:12px}.melody-panel .pattern-heading label small{color:var(--muted);font-size:11px}.melody-panel.is-collapsed>.pattern-heading{border-bottom:0;margin-bottom:0}.melody-panel.is-collapsed>.pattern-heading~*{display:none}
.chips{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}.chips button{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
body{position:relative;isolation:isolate;overflow-x:hidden}body::before,body::after{content:"";position:fixed;z-index:-1;width:42vw;height:42vw;max-width:620px;max-height:620px;border-radius:50%;pointer-events:none;opacity:.7;animation:corner-aura 8s ease-in-out infinite alternate}body::before{top:-18vw;left:-15vw;background:radial-gradient(circle at 55% 55%,color-mix(in srgb,var(--lime) 35%,transparent),transparent 58%),radial-gradient(circle at 12px 12px,color-mix(in srgb,var(--white) 30%,transparent) 0 3px,transparent 3.5px) 0 0/46px 46px;box-shadow:0 0 120px color-mix(in srgb,var(--lime) 24%,transparent)}body::after{right:-15vw;bottom:-18vw;background:radial-gradient(circle at 45% 45%,color-mix(in srgb,var(--orange) 35%,transparent),transparent 58%),radial-gradient(circle at 12px 12px,color-mix(in srgb,var(--white) 28%,transparent) 0 3px,transparent 3.5px) 0 0/54px 54px;box-shadow:0 0 140px color-mix(in srgb,var(--orange) 25%,transparent);animation-delay:-4s}@keyframes corner-aura{from{transform:scale(.92);filter:brightness(.86)}to{transform:scale(1.08);filter:brightness(1.12)}}header,main{position:relative;z-index:1}