/* R3F: truthful engine state, administrator navigation, narrow/mobile workflow. */
.admin-nav-group{display:block;margin:12px 0 0;padding:6px 0 3px;border-top:1px solid #e2eaf4}
.admin-nav-label{display:flex;justify-content:space-between;align-items:center;color:#2b527b;font-weight:700}
.admin-nav-label small{font-size:9px;color:#8a9eb6;font-weight:500}
.mobile-admin-menu{display:none}
.engine-step-strip{flex:none;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:6px}
.engine-step{display:flex;align-items:center;justify-content:space-between;gap:6px;min-width:0;background:#fff;border:1px solid #e4ebf5;padding:5px 7px;border-radius:6px}
.engine-step.is-current{border-color:#a8c5ed;background:#f7faff}
.engine-step>span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:9px;color:#607995}
.engine-state{display:inline-block;flex:none;border-radius:5px;padding:3px 6px;font-size:9px;font-weight:700;white-space:nowrap;background:#eff4fa;color:#56708b}
.state-ready{background:#e6f6f0;color:#176b4c}
.state-standby{background:#edf3fd;color:#32649c}
.state-unverified,.state-unconfigured{background:#fff1e9;color:#98572d}
.state-planning{background:#f3f4f7;color:#747b8c}
.current-engine-callout{display:flex;align-items:center;gap:8px;line-height:1.5;border:1px solid #e4ecf7;border-radius:7px;background:#f8faff;padding:7px 9px;margin:0 0 10px;color:#61758f;font-size:10px}
.current-engine-callout>span:nth-child(2){min-width:0}
.current-engine-callout b{color:#2e496b;font-weight:700}
.current-engine-callout a{color:#205b9d;text-decoration:underline;text-underline-offset:2px}
.engine-admin-page{display:grid;gap:12px;max-width:1500px}
.engine-page-head{display:flex;justify-content:space-between;align-items:center}
.engine-page-head .actions{display:flex;gap:6px;flex-wrap:wrap}
.engine-admin-panel{padding:16px}
.engine-admin-panel h2{font-size:13px;margin:0 0 10px}
.engine-table{width:100%;border-collapse:collapse;min-width:860px}
.engine-table th,.engine-table td{text-align:left;vertical-align:middle;padding:10px 9px;border-bottom:1px solid #ecf1f8}
.engine-table th{background:#f7f9fd;font-size:10px;color:#5b7089}
.engine-table td{font-size:11px;line-height:1.55;color:#455b76}
.engine-table td b{white-space:nowrap;font-size:11px;color:#2e4361}
.engine-table td small{display:block;color:#8696a9;font-size:9px}
.engine-admin-bottom{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.engine-detail-list{display:grid;grid-template-columns:132px 1fr;gap:9px 8px;align-items:center;font-size:11px}
.engine-detail-list>span{color:#72849a}
.engine-detail-list strong{font-size:11px;color:#354d68;overflow-wrap:anywhere}
.engine-buttons{display:flex;gap:7px;flex-wrap:wrap;margin-top:11px}
.engine-roadmap{list-style:decimal;padding-left:18px;margin:0;display:grid;gap:12px}
.engine-roadmap li{font-size:11px;line-height:1.5;color:#72849a}
.engine-roadmap b{display:block;color:#394f6d}
.engine-roadmap span{display:block}
/* The real AI text result is the primary stage-three workspace. */
.lyric-result-first{margin:12px 0 10px;padding:12px;border:1px solid #cbdcf1;border-radius:9px;background:#f7faff;display:grid;gap:9px}
.candidate-area-header{display:flex;align-items:start;justify-content:space-between;gap:10px}
.candidate-area-header b{display:block;color:#254a7b;font-size:13px}
.candidate-area-header span:not(.engine-state){display:block;margin-top:4px;color:#69809b;font-size:10px}
.lyric-result-card{padding:9px 11px;border:1px solid #e0e8f3;border-radius:8px;background:#fff;min-width:0}
.lyric-result-card.is-latest{border-color:#9dbee9}
.lyric-result-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:7px}
.lyric-result-head strong{font-size:11px;color:#294f84}
.lyric-result-head span{font-size:10px;color:#7c90aa}
.lyric-result-content{display:block;box-sizing:border-box;width:100%;height:180px;min-height:110px;padding:10px 12px;border:1px solid #dce5f0;border-radius:6px;background:#fff;resize:vertical;white-space:pre-wrap;line-height:1.6;font-size:12px;color:#344862}
.lyric-result-card.is-latest .lyric-result-content{height:250px}
.lyric-result-actions{display:flex;align-items:center;justify-content:flex-end;gap:7px;margin-top:8px;flex-wrap:wrap}
.lyrics-editor-section{border:1px solid #e4eaf3;border-radius:8px;background:#fff;margin-top:10px;padding:9px 11px}
.lyrics-editor-section>summary{cursor:pointer;font-weight:700;font-size:12px;color:#2f527c;list-style:revert}
.lyrics-editor-section>summary span{font-weight:400;font-size:10px;color:#8394aa;margin-left:8px}
.lyrics-editor-section[open]>summary{padding-bottom:9px;border-bottom:1px solid #e8eef7;margin-bottom:10px}
.lyrics-editor-section .lyric-editor textarea{height:clamp(190px,30vh,350px);width:100%;resize:vertical}
.lyric-no-result{margin:11px 0;padding:14px;border:1px dashed #c8d9ed;background:#f6f9fe;border-radius:7px;font-size:11px;color:#7286a1}
.arrangement-context{border:1px solid #dce7f5;background:#f7faff;border-radius:8px;padding:9px 12px;margin-bottom:10px;display:flex;align-items:center;justify-content:space-between;gap:10px}
.arrangement-context>div b{display:block;font-size:11px;color:#365777}
.arrangement-context>div span{display:block;margin-top:4px;font-size:10px;color:#7086a3}
.arrangement-context details{flex:none;position:relative}
.arrangement-context summary{cursor:pointer;font-size:11px;color:#2d619e;font-weight:700}
.arrangement-context pre{position:absolute;right:0;z-index:8;top:20px;max-height:310px;min-width:260px;width:min(460px,58vw);overflow:auto;white-space:pre-wrap;overflow-wrap:anywhere;border:1px solid #d5e2ef;border-radius:8px;background:#fff;box-shadow:0 10px 22px #1b36552b;padding:12px;font-size:11px;line-height:1.6;font-family:inherit}
.arrangement-tools{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-top:9px}
.arrangement-tools span{font-size:10px;color:#758aa4}
.lyric-candidate-dialog{position:fixed;inset:5vh 5vw;border:1px solid #ccd8e8;border-radius:12px;max-width:850px;max-height:90vh;width:min(850px,90vw);padding:0;background:#fff;box-shadow:0 20px 60px #132d5666;color:#344862}
.lyric-candidate-dialog::backdrop{background:rgba(15,32,55,.58)}
.lyric-dialog-head,.lyric-dialog-foot{padding:11px 15px;display:flex;align-items:center;justify-content:space-between;gap:10px;background:#f7faff}
.lyric-dialog-head{border-bottom:1px solid #e2e9f3}
.lyric-dialog-head b{font-size:14px;color:#24518e}
.lyric-dialog-foot{border-top:1px solid #e2e9f3}
.lyric-dialog-foot span{font-size:11px;color:#7a8fa8}
#lyric-candidate-preview{display:block;overflow:auto;white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.8;font-family:inherit;font-size:14px;margin:0;padding:17px 20px;max-height:calc(90vh - 125px)}
.work-progress[hidden]{display:none}
.work-progress{position:fixed;inset:0;display:grid;place-items:center;z-index:3000;background:rgba(18,36,60,.58);padding:18px}
.work-progress-card{width:min(360px,95vw);padding:32px 22px;background:#fff;border-radius:15px;box-shadow:0 20px 55px #1a324b40;text-align:center}
.work-progress-card strong{display:block;font-size:17px;color:#244e86;margin:12px 0 8px}
.work-progress-card p{font-size:12px;line-height:1.65;color:#677e98;margin:0}
.work-progress-note{display:block;margin-top:12px;font-size:10px;color:#9daac0}
.work-progress-notes{height:48px;display:flex;align-items:center;justify-content:center;gap:14px;color:#416cb1;font-weight:800;font-size:28px}
.work-progress-notes span{animation:jmusic-notes 1.1s ease-in-out infinite alternate}
.work-progress-notes span:nth-child(2){animation-delay:.18s}
.work-progress-notes span:nth-child(3){animation-delay:.36s}
@keyframes jmusic-notes{0%{transform:translateY(7px) rotate(-8deg);opacity:.5}100%{transform:translateY(-8px) rotate(8deg);opacity:1}}
@media(prefers-reduced-motion:reduce){.work-progress-notes span{animation:none}}
@media(max-width:1180px){.engine-step-strip{gap:4px}.engine-step{padding:5px}.engine-step>span{max-width:60%}}
@media(max-width:890px){.engine-admin-bottom{grid-template-columns:1fr}.engine-page-head{align-items:flex-start}}
@media(max-width:690px){
  .sidebar .admin-nav-group{display:none}
  .mobile-admin-menu{display:block;position:relative;margin-left:1px}
  .mobile-admin-menu>summary{list-style:none;padding:6px 8px;border:1px solid #b9cce6;border-radius:6px;color:#275e98;font-size:10px;font-weight:700;white-space:nowrap;background:#edf4ff;cursor:pointer}
  .mobile-admin-menu>summary::-webkit-details-marker{display:none}
  .mobile-admin-links{position:fixed;top:83px;right:8px;z-index:110;background:#fff;border:1px solid #d6e1f0;border-radius:9px;box-shadow:0 12px 30px #1a325526;padding:8px;min-width:205px;display:grid;gap:2px}
  .mobile-admin-links a{padding:8px;color:#395673;font-size:11px;border-radius:5px}
  .mobile-admin-links a:hover{background:#eef5ff}
  .engine-step-strip{display:flex;gap:5px;overflow-x:auto;min-height:36px;padding:0 0 3px;scrollbar-width:thin}
  .engine-step{flex:0 0 147px;min-height:30px}
  .engine-step>span{font-size:9px;max-width:78px}
  .current-engine-callout{align-items:flex-start;gap:7px;font-size:10px;line-height:1.55}
  .engine-admin-page{gap:8px}
  .engine-page-head{flex-direction:column;gap:8px}
  .engine-admin-panel{padding:11px}
  .engine-table{min-width:720px}
  .engine-detail-list{grid-template-columns:105px 1fr}
  .step-form-grid{grid-template-columns:1fr}
  .step-form-grid .wide{grid-column:auto}
  .wizard-heading{flex-wrap:wrap}
  .wizard-form .wizard-footer{position:sticky;bottom:0;z-index:5;box-shadow:0 -5px 16px #263b5914}
  .footer-actions .button{flex:1;min-height:36px}
  .footer-actions{width:100%}
  .save-hint{text-align:left}
  .lyric-tools{display:flex;flex-direction:column;align-items:stretch;gap:7px}
  .lyric-tools .button{width:100%;min-height:38px}
  .arrangement-context{flex-direction:column;align-items:stretch}
  .arrangement-context pre{position:static;width:100%;min-width:0;max-height:260px;margin-top:7px;box-shadow:none}
  .arrangement-tools{flex-direction:column;align-items:stretch}
  .arrangement-tools .button{min-height:38px}
  .lyric-result-first{padding:8px}
  .lyric-result-card{padding:8px}
  .lyric-result-card.is-latest .lyric-result-content{height:260px}
  .lyric-result-actions .button{flex:1;min-height:37px}
  .lyrics-editor-section>summary span{display:block;margin:5px 0 0}
  #lyric-candidate-preview{padding:12px;font-size:12px;max-height:calc(90vh - 137px)}
  .lyric-dialog-foot{flex-wrap:wrap}
}