:root{color-scheme:light;font-family:Noto Sans SC,Microsoft YaHei,sans-serif;line-height:1.5;font-weight:400;background:radial-gradient(circle at top left,rgba(255,196,122,.45),transparent 30%),radial-gradient(circle at top right,rgba(115,174,255,.3),transparent 28%),linear-gradient(180deg,#fff8ef,#f4f7fb);color:#1e2430}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}button,input,textarea,select{font:inherit}#app{min-height:100vh}.app-shell{width:min(1720px,calc(100vw - 8px));margin:0 auto;padding:32px 0 40px}.hero-panel,.panel,.status-card{border:1px solid rgba(30,36,48,.08);background:#ffffffd1;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-radius:24px;box-shadow:0 18px 50px #1e243014}.hero-panel{padding:28px;margin-bottom:20px}.eyebrow{margin:0 0 8px;font-size:.85rem;letter-spacing:.12em;text-transform:uppercase;color:#aa5c12}h1,h2,p{margin:0}h1{font-size:clamp(2rem,4vw,3.4rem);line-height:1.05;margin-bottom:10px}.hero-copy{max-width:760px;color:#4d5a6d}.meta-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:16px;color:#5c6778}.workspace-grid{display:grid;grid-template-columns:minmax(220px,.66fr) minmax(360px,1.22fr) minmax(280px,.86fr);gap:20px;align-items:start}.workspace-column{display:grid;gap:20px}.selector-column{min-width:0}.column-heading{padding:0 6px}.column-heading h2{font-size:1.5rem}.column-kicker{margin-bottom:6px;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:#8c5b28}.panel{padding:20px}.panel-header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}.header-actions{display:inline-flex;align-items:center;gap:8px}.panel-meta{color:#687588;font-size:.92rem}.primary-button,.secondary-button,.segment-chip,.candidate-item{border:none;cursor:pointer;transition:transform .16s ease,box-shadow .16s ease,background-color .16s ease}.primary-button,.secondary-button{border-radius:999px;padding:10px 16px}.primary-button{background:#1f5eff;color:#fff}.secondary-button{background:#eef2fa;color:#243146}.primary-button:hover,.secondary-button:hover,.segment-chip:hover,.candidate-item:hover{transform:translateY(-1px)}.score-textarea{width:100%;min-height:220px;border:1px solid rgba(30,36,48,.12);border-radius:18px;padding:16px;resize:vertical;background:#f6f8fce6}.segment-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(40px,1fr));gap:6px}.segment-sections{display:grid;gap:18px}.segment-section{display:grid;gap:12px;padding:14px;border:1px solid rgba(30,36,48,.08);border-radius:18px;background:#f7faffbf}.segment-section-label{font-size:1rem;font-weight:800;color:#243146}.segment-lines{display:grid;gap:16px}.segment-line{display:grid;gap:10px}.segment-split-control{display:grid;gap:8px;padding:10px;border:1px solid rgba(30,36,48,.12);border-radius:12px;background:#f0f8ff99}.split-label{font-size:.85rem;font-weight:600;color:#5c6778}.split-range-display{display:inline-flex;gap:4px;flex-wrap:nowrap;align-items:center}.split-note button{padding:4px 8px;border:1px solid rgba(30,36,48,.2);border-radius:6px;background:#fff;font-size:.8rem;font-weight:600;cursor:pointer;transition:all .16s ease}.split-note button:hover{background:#1f5eff1a;border-color:#1f5eff4d}.split-note button.active{background:#1f5eff38;border-color:#1f5eff80;color:#1f5eff}.split-selected{font-size:.85rem;font-weight:600;color:#1f5eff}.segment-lyric-rows{display:grid;gap:10px}.segment-lyric-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:center}.segment-lyric-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(40px,1fr));gap:6px;padding:4px;border-radius:10px;border:1px solid transparent}.segment-lyric-grid.active{border-color:#1f5eff59;background:#1f5eff0f}.rhyme-reference-toggle{display:inline-flex;align-items:center;gap:8px;min-width:136px;padding:8px 12px;border:1px solid rgba(30,36,48,.16);border-radius:999px;background:#fffffff2;color:#516074;cursor:pointer;transition:border-color .16s ease,background-color .16s ease,color .16s ease,transform .16s ease}.rhyme-reference-toggle:hover{transform:translateY(-1px);border-color:#1f5eff59}.rhyme-reference-toggle.active{border-color:#1f5eff73;background:#1f5eff14;color:#1f5eff}.rhyme-reference-dot{width:12px;height:12px;border:2px solid currentColor;border-radius:50%;background:transparent;transition:background-color .16s ease,box-shadow .16s ease}.rhyme-reference-toggle.active .rhyme-reference-dot{background:currentColor;box-shadow:inset 0 0 0 2px #ffffffeb}.segment-lyric-input{width:100%;min-width:0;border:1px dashed rgba(30,36,48,.22);border-radius:6px;padding:6px 4px;background:#fffcf5f2;font-size:.85rem;text-align:center}.segment-lyric-input:focus{outline:2px solid rgba(31,94,255,.16);border-color:#1f5eff73}.segment-line-label{font-size:.88rem;font-weight:700;color:#8c5b28;display:flex;align-items:center;gap:8px;flex-wrap:nowrap}.segment-chip{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;padding:6px 4px;border-radius:8px;background:#f5f8ff;text-align:center;min-height:40px}.segment-chip.active{background:linear-gradient(135deg,#234fe3,#4e87ff);color:#fff}.segment-code{font-size:1rem;font-weight:700;line-height:1}.segment-word{display:none}.filter-grid{display:grid;grid-template-columns:minmax(96px,.7fr) minmax(240px,1.7fr) minmax(110px,.8fr);gap:12px;margin-bottom:16px;align-items:end}.filter-grid label{display:grid;gap:6px}.filter-grid input,.filter-grid select{width:100%;height:42px;border:1px solid rgba(30,36,48,.12);border-radius:14px;padding:10px 12px;background:#fff}.filter-grid select{padding-top:0;padding-bottom:0;line-height:42px}.filter-keyword input{max-width:140px}.filter-category select{font-size:.92rem}.mode-switch-label{display:grid;gap:6px}.mode-switch-row{display:inline-flex;align-items:center;gap:8px}.mode-switch{display:inline-flex;align-items:center;justify-content:center;width:56px;height:42px;border:1px solid rgba(30,36,48,.12);border-radius:14px;padding:0 10px;background:#fff;cursor:pointer;transition:all .16s ease}.mode-switch-knob{width:34px;height:20px;border-radius:999px;background:#1e243033;position:relative}.mode-switch-knob:after{content:"";position:absolute;top:2px;left:2px;width:16px;height:16px;border-radius:50%;background:#fff;box-shadow:0 1px 3px #0003;transition:transform .16s ease}.mode-switch.active{border-color:#1f5eff73;background:#1f5eff0f}.mode-switch.active .mode-switch-knob{background:#1f5eff}.mode-switch.active .mode-switch-knob:after{transform:translate(14px)}.mode-help{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:50%;border:1px solid rgba(30,36,48,.22);color:#4b5668;font-size:.78rem;font-weight:700;cursor:default;pointer-events:none;-webkit-user-select:none;user-select:none}.candidate-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(72px,1fr));gap:8px}.candidate-item{display:flex;align-items:center;justify-content:center;padding:8px 6px;min-height:38px;border-radius:10px;border:1px solid rgba(30,36,48,.1);background:#f7f4ee;text-align:center;font-size:.92rem;font-weight:700;line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.empty-state{grid-column:1 / -1;padding:12px 14px;border-radius:12px;border:1px dashed rgba(30,36,48,.16);background:#f8fafc;color:#556173;font-size:.9rem;text-align:center}.draft-preview{min-height:84px;padding:16px;border-radius:18px;background:linear-gradient(135deg,#fff7e2,#fff);font-size:1.1rem;white-space:pre-wrap}.multiline-text{white-space:pre-wrap}.status-card{padding:20px}.status-card ul{margin:10px 0 0;padding-left:18px}.status-card.error{border-color:#c53f2c33;background:#fff3f0e6}.confirm-dialog-mask{position:fixed;inset:0;z-index:50;display:grid;place-items:center;padding:20px;background:#0f172a57;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.confirm-dialog{width:min(460px,100%);border-radius:20px;border:1px solid rgba(30,36,48,.14);background:#fffffff5;box-shadow:0 22px 56px #1118273d;padding:22px;display:grid;gap:12px}.confirm-dialog h3{margin:0;font-size:1.15rem;color:#1f2a3d}.confirm-dialog p{margin:0;color:#4c5a70;line-height:1.6}.confirm-dialog-actions{margin-top:8px;display:flex;justify-content:flex-end;gap:10px}@media(max-width:1024px){.workspace-grid{grid-template-columns:1fr}.column-heading{padding:0}}@media(max-width:720px){.app-shell{width:min(100vw - 10px,100%);padding-top:20px}.filter-grid{grid-template-columns:1fr}.confirm-dialog{border-radius:16px;padding:18px}}