:root{
  --bg:#0d1117;--panel:#141a22;--panel2:#19212b;--panel3:#0f141b;--line:#2a3441;--text:#edf3fa;--muted:#91a2b5;
  --accent:#6f8df6;--accent2:#8aa2ff;--ok:#42d475;--warn:#f6c85f;--bad:#ff7670;--practice-size:18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,Segoe UI,Arial,sans-serif}
button,input,select,textarea{font:inherit}.hidden{display:none!important}.shell{max-width:1240px;margin:auto;padding:0 22px}
.topbar{min-height:76px;display:flex;align-items:center;gap:14px;justify-content:space-between;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--text);min-width:max-content}.logo{width:42px;height:42px;border-radius:13px;background:linear-gradient(145deg,var(--accent),#516de0);display:grid;place-items:center;font-weight:900;font-size:20px}.brand b{display:block}.brand small{display:block;color:var(--muted);margin-top:2px}
.main-nav{display:flex;gap:6px;margin-left:auto}.navbtn{border:0;background:transparent;color:var(--muted);padding:10px 12px;border-radius:10px;cursor:pointer;white-space:nowrap}.navbtn.active{background:var(--panel2);color:var(--text)}.navbtn span{margin-right:3px}.count{font-style:normal;display:inline-grid;place-items:center;min-width:20px;height:20px;padding:0 5px;background:#2a3441;border-radius:999px;font-size:11px;margin-left:4px}
.install-btn{border:1px solid #4a5f91;background:#1d2947;color:#dfe7ff;padding:9px 12px;border-radius:10px;font-weight:800;cursor:pointer}
main{padding:30px 0 55px}.view{display:none}.view.active{display:block}.hero{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:20px}.hero.compact{margin-bottom:14px}.eyebrow{font-size:12px;letter-spacing:.12em;color:var(--accent2);font-weight:800}.hero h1{font-size:36px;line-height:1.08;margin:7px 0}.hero p{color:var(--muted);margin:0;max-width:780px;line-height:1.5}
.searchbar{display:grid;grid-template-columns:1fr auto;gap:10px;margin:18px 0 8px}.searchbar input{background:var(--panel);border:1px solid var(--line);color:var(--text);border-radius:14px;padding:15px 16px;outline:none;font-size:16px}.searchbar input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #6f8df619}.searchbar button,.primary-action{border:0;background:var(--accent);color:white;font-weight:800;border-radius:12px;padding:0 22px;cursor:pointer}.primary-action{padding:11px 15px}.quick-actions{display:flex;gap:8px;margin-bottom:10px}.ghost{border:1px solid var(--line);background:#202833;color:var(--text);padding:9px 12px;border-radius:10px;cursor:pointer}.accent-ghost{border-color:#42578b;color:#cad6ff;background:#17223a}.text-btn{border:0;background:transparent;color:var(--accent2);cursor:pointer;padding:4px}.danger-ghost{color:#ffaaa5;border-color:#653431}
.smart-hint,.notice{border-radius:12px;padding:11px 13px;margin:10px 0}.smart-hint{background:#172641;border:1px solid #334c7b;color:#c5d2ff}.notice{background:#3a2d13;border:1px solid #6b5422;color:#ffe2a1}
.recent-wrap{margin:14px 0 17px}.subhead{display:flex;justify-content:space-between;align-items:center;color:var(--muted);margin-bottom:8px}.subhead b{color:var(--text)}.recent-list{display:flex;gap:8px;overflow:auto;padding-bottom:4px}.recent-chip{min-width:180px;max-width:240px;text-align:left;border:1px solid var(--line);background:var(--panel);color:var(--text);border-radius:12px;padding:10px;cursor:pointer}.recent-chip b,.recent-chip small{display:block}.recent-chip small{color:var(--muted);margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chord-panel{background:var(--panel);border:1px solid var(--line);border-radius:15px;margin:14px 0 18px}.chord-panel summary{cursor:pointer;padding:14px 16px;font-weight:800}.chord-panel summary span{font-weight:500;color:var(--muted);margin-left:8px}.chord-panel-body{padding:0 16px 16px}.chord-panel-body p{color:var(--muted);margin:0 0 11px}.picker{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}.chord-choice{border:1px solid var(--line);background:#202833;color:#b9c5d2;border-radius:999px;padding:8px 11px;font-weight:800;cursor:pointer}.chord-choice.on{background:#27365f;border-color:#6f8df6;color:white}.switchline{display:flex;gap:8px;align-items:flex-start;color:var(--muted);font-size:14px;margin:12px 0}.compact-switch{margin:4px 0}
.compat-filters{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0 6px;align-items:center}.compat-filter{border:1px solid var(--line);background:var(--panel);color:#c7d1dd;border-radius:999px;padding:9px 12px;cursor:pointer;font-weight:800}.compat-filter span{display:inline-grid;place-items:center;min-width:22px;height:22px;margin-left:5px;padding:0 6px;border-radius:999px;background:#242e3a;color:#b9c6d4;font-size:11px}.compat-filter.active{background:#27365f;border-color:#6f8df6;color:white}.compat-filter.active span{background:#6f8df6;color:white}.sort-select{margin-left:auto;background:var(--panel);border:1px solid var(--line);color:var(--text);border-radius:10px;padding:9px 10px}.compat-progress{color:var(--muted);font-size:13px;margin:4px 0 14px}
.workspace{display:grid;grid-template-columns:minmax(300px,430px) minmax(0,1fr);gap:16px;align-items:start}.result-list{display:grid;gap:9px}.result-card,.empty-card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:14px}.result-card{cursor:pointer;transition:.15s}.result-card:hover,.result-card.active{border-color:#566c9b;background:#18202a}.result-card b{display:block;font-size:16px}.result-card span{display:block;color:var(--muted);margin-top:3px}.result-card small{display:block;color:#74869a;margin-top:6px}.result-card-top{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}.result-card-top b{min-width:0}.result-badge{font-style:normal;font-size:11px;font-weight:900;line-height:1;padding:6px 7px;border-radius:999px;white-space:nowrap}.result-badge.playable{background:#123a22;color:#99efb1;border:1px solid #2a6840}.result-badge.adaptable{background:#172e4f;color:#bdd0ff;border:1px solid #35558a}.result-badge.extra{background:#3b3014;color:#ffe39c;border:1px solid #715c25}.result-badge.pending{background:#202833;color:#93a4b7;border:1px solid #33404f}.result-badge.unavailable{background:#2a2020;color:#c9a2a0;border:1px solid #4a3434}.difficulty-dot{display:inline!important;margin-left:5px!important;color:#7e8fa3!important;font-size:11px}
.viewer{min-height:360px;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:18px;position:sticky;top:16px}.viewer-empty{min-height:320px;display:grid;place-items:center;align-content:center;text-align:center;color:var(--muted);gap:6px}.viewer-empty span{font-size:42px;color:#60728b}.viewer-empty b{color:var(--text);font-size:18px}.loading{padding:18px;color:var(--muted)}
.song-head{display:flex;justify-content:space-between;gap:14px;align-items:flex-start;padding-bottom:14px;border-bottom:1px solid var(--line)}.song-head h2{margin:0 0 4px;font-size:27px}.artist{color:var(--muted)}.song-actions{display:flex;gap:7px;flex-wrap:wrap;justify-content:flex-end}.save-btn,.icon-action{border:1px solid var(--line);background:#202833;color:var(--text);border-radius:11px;padding:10px 12px;cursor:pointer;white-space:nowrap}.save-btn.saved{border-color:#6f8df6;color:#dbe3ff;background:#26355c}.icon-action{padding:10px}.status{margin:14px 0;padding:12px;border-radius:12px;line-height:1.45}.status.ok{background:#123420;border:1px solid #27633b;color:#9aefb0}.status.warn{background:#3b3014;border:1px solid #715c25;color:#ffe39c}.status.bad{background:#3d1d1b;border:1px solid #74322f;color:#ffb1ac}.meta{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0}.pill{background:#202833;border:1px solid var(--line);padding:6px 8px;border-radius:999px;font-size:12px;color:#c7d1dd}.pill.barre{border-color:#715c25;color:#ffe39c}.pill.clickable{cursor:pointer}
.mode-bar{display:flex;gap:7px;flex-wrap:wrap;margin:13px 0}.mode-btn{border:1px solid var(--line);background:#202833;color:#c5d0dc;border-radius:10px;padding:8px 10px;cursor:pointer;font-weight:800}.mode-btn.active{border-color:var(--accent);background:#26355c;color:#fff}.transpose-box{display:flex;align-items:center;gap:7px;margin:9px 0 13px;color:var(--muted);font-size:13px}.transpose-box button{width:34px;height:34px;border-radius:9px;border:1px solid var(--line);background:#202833;color:white;cursor:pointer;font-weight:900}.transpose-box b{min-width:78px;text-align:center;color:var(--text)}
.section{padding:13px 0;border-top:1px solid var(--line)}.section:first-of-type{border-top:0}.section-head{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:8px}.section-name{text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-size:11px;font-weight:800}.repeat-btn{border:0;background:transparent;color:#7f93aa;font-size:12px;cursor:pointer}.progression{display:flex;gap:7px;flex-wrap:wrap}.chord{min-width:48px;text-align:center;padding:9px 10px;background:#202833;border:1px solid #33404f;border-radius:10px;font-weight:900;cursor:pointer}.chord:hover{border-color:#6f8df6}.chord.missing{border-color:#b67a2f;color:#ffd17d}.repeated-row{opacity:.72;margin-top:7px}.fingerings{margin-top:15px}.fingerings h3{font-size:14px;margin:0 0 9px}.fingering-grid{display:flex;gap:7px;flex-wrap:wrap}.fingering{background:var(--panel3);border:1px solid var(--line);border-radius:10px;padding:8px 10px;cursor:pointer}.fingering b{display:block}.fingering small{color:var(--muted)}
.practice-actions{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0}.practice-actions button{border:1px solid var(--line);background:#202833;color:var(--text);padding:9px 11px;border-radius:10px;cursor:pointer}.lyrics-block{margin:15px 0;border-top:1px solid var(--line);padding-top:14px}.lyrics-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:10px}.lyrics-head h3{margin:0;font-size:15px}.lyrics-text{white-space:pre-wrap;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;line-height:1.8;background:var(--panel3);border:1px solid var(--line);border-radius:12px;padding:14px;overflow:auto}.lyric-pair{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;margin:0 0 9px}.lyric-chords{white-space:pre;color:#9eb5ff;font-weight:800;min-height:1.2em}.lyric-line{white-space:pre-wrap;color:#f4f6f8}
.library-tabs{display:flex;gap:7px;margin:10px 0 15px}.library-tab{border:1px solid var(--line);background:var(--panel);color:var(--muted);border-radius:999px;padding:8px 11px;cursor:pointer}.library-tab.active{background:#26355c;color:white;border-color:#627ee0}.library-insight{border:1px solid #3f5481;background:#162136;border-radius:14px;padding:13px;margin:10px 0}.library-insight b{color:#dce5ff}.status-controls{display:flex;gap:7px;flex-wrap:wrap;margin:12px 0}.status-chip{border:1px solid var(--line);background:#202833;color:var(--muted);border-radius:999px;padding:7px 9px;cursor:pointer}.status-chip.active{background:#26412e;color:#a8efba;border-color:#3a7048}
.dialog{width:min(520px,calc(100vw - 26px));border:1px solid var(--line);border-radius:18px;background:var(--panel);color:var(--text);padding:0;box-shadow:0 25px 80px #0009}.wide-dialog{width:min(760px,calc(100vw - 26px))}.dialog::backdrop{background:#000a}.dialog-head{display:flex;justify-content:space-between;align-items:flex-start;padding:18px;border-bottom:1px solid var(--line)}.dialog-head h2{margin:2px 0 0}.dialog-head small{color:var(--accent2);font-weight:800;letter-spacing:.1em}.dialog-close{border:0;background:#202833;color:white;border-radius:9px;width:36px;height:36px;cursor:pointer;font-size:22px}.dialog-copy,.dialog-info{color:var(--muted);padding:0 18px;line-height:1.5}.dialog textarea{width:calc(100% - 36px);margin:0 18px;background:var(--panel3);border:1px solid var(--line);color:white;border-radius:12px;padding:12px;resize:vertical}.dialog .switchline{padding:0 18px}.dialog-actions{display:flex;justify-content:space-between;gap:10px;padding:14px 18px 18px}.chord-diagram-wrap{display:grid;place-items:center;padding:18px}.chord-svg{width:220px;max-width:80vw;height:auto}.chord-usage{padding:10px 18px 18px;color:var(--muted)}
.practice-mode{position:fixed;inset:0;background:#090c10;color:white;z-index:1000;display:flex;flex-direction:column}.practice-header{display:flex;align-items:center;justify-content:space-between;padding:12px max(14px,env(safe-area-inset-left));border-bottom:1px solid #252c36;background:#0f141b}.practice-header b,.practice-header small{display:block}.practice-header small{color:#91a2b5}.practice-head-actions{display:flex;gap:6px}.practice-head-actions button{border:1px solid #303a47;background:#1a222c;color:white;border-radius:9px;padding:8px 10px;cursor:pointer}.practice-content{flex:1;overflow:auto;padding:24px max(18px,calc((100vw - 820px)/2));font-size:var(--practice-size);line-height:1.6}.practice-content .chord{font-size:1em}.practice-content .lyrics-text{font-size:1em;background:transparent;border:0;padding:0}.practice-toolbar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;padding:10px 14px calc(10px + env(safe-area-inset-bottom));background:#111821;border-top:1px solid #2a3441}.practice-toolbar button,.practice-toolbar select,.practice-toolbar input{background:#1d2631;border:1px solid #34404f;color:white;border-radius:9px;padding:8px}.practice-toolbar label{color:#9fb0c3;font-size:12px;display:flex;align-items:center;gap:6px}.practice-toolbar input[type=range]{padding:0}.practice-toolbar input[type=number]{width:66px}.metronome-box{display:flex;gap:5px}.metro-on{background:#284b33!important;border-color:#3d7b4e!important}
.tuner-card{max-width:780px;margin:auto;background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:20px}.tuner-controls{display:flex;gap:16px;align-items:end;justify-content:space-between}.tuner-controls label{color:var(--muted);font-size:13px}.tuner-controls select{display:block;margin-top:5px;background:var(--panel3);color:white;border:1px solid var(--line);border-radius:10px;padding:10px;min-width:260px}.tuner-strings{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;margin:22px 0}.string-btn{width:58px;height:58px;border-radius:50%;border:1px solid var(--line);background:#202833;color:white;cursor:pointer;font-weight:900}.string-btn small{display:block;color:#8ea0b4;font-size:9px}.string-btn.active{background:#2a3b69;border-color:#7893f2}.tuner-display{text-align:center;padding:18px}.tuner-target{font-size:72px;line-height:1;font-weight:900}.tuner-freq{color:var(--muted);margin:8px 0 25px}.meter{height:16px;border-radius:999px;background:linear-gradient(90deg,#66352f,#6d5f2b,#275f3a,#6d5f2b,#66352f);position:relative;margin:0 auto;max-width:620px}.meter-center{position:absolute;left:50%;top:-7px;width:2px;height:30px;background:white;opacity:.7}.needle{position:absolute;left:50%;top:-14px;width:4px;height:44px;border-radius:3px;background:white;transform:translateX(-50%);transition:left .08s linear}.meter-labels{display:flex;justify-content:space-between;max-width:620px;margin:10px auto;color:#8393a5;font-size:11px}.meter-labels b{color:white}.tuner-status{font-weight:900;font-size:18px;margin-top:8px}.tuner-status.in-tune{color:var(--ok)}.tuner-actions{display:flex;justify-content:center;gap:8px;margin:10px 0}.tuner-note{color:var(--muted);font-size:13px;text-align:center;line-height:1.5}.reference-label{font-size:9px!important}
footer{border-top:1px solid var(--line);padding:20px 0 30px;color:#718296;font-size:12px;display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}
@media(max-width:900px){.workspace{grid-template-columns:1fr}.viewer{position:static}.sort-select{margin-left:0}.song-actions{justify-content:flex-start}}
@media(max-width:720px){body{padding-bottom:72px}.shell{padding:0 14px}.topbar{min-height:64px;padding:9px 0}.brand small{display:none}.brand .logo{width:38px;height:38px}.main-nav{position:fixed;left:0;right:0;bottom:0;z-index:900;background:#10161e;border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(3,1fr);padding:6px 5px calc(6px + env(safe-area-inset-bottom));gap:3px}.navbtn{display:flex;flex-direction:column;align-items:center;gap:2px;border-radius:9px;font-size:11px;padding:7px 4px}.navbtn span{font-size:18px;margin:0}.navbtn .count{position:absolute;margin-left:26px;margin-top:-2px}.install-btn{margin-left:auto}.hero h1{font-size:29px}.searchbar{grid-template-columns:1fr}.searchbar button{padding:13px}.compat-filters{display:grid;grid-template-columns:1fr 1fr}.sort-select{grid-column:1/-1;width:100%}.song-head{flex-direction:column}.song-actions{width:100%}.save-btn{flex:1}.tuner-controls{flex-direction:column;align-items:stretch}.tuner-controls select{min-width:0;width:100%}.tuner-target{font-size:62px}.practice-toolbar{display:grid;grid-template-columns:1fr 1fr}.practice-toolbar label,.practice-toolbar select,.metronome-box{grid-column:1/-1}.metronome-box>*{flex:1}.recent-chip{min-width:155px}.library-tabs{overflow:auto}.dialog-actions{flex-direction:column-reverse}.dialog-actions button{width:100%}}
@media(max-width:430px){.compat-filters{grid-template-columns:1fr}.hero h1{font-size:26px}.song-head h2{font-size:23px}.tuner-card{padding:14px}.string-btn{width:51px;height:51px}.practice-content{padding:18px 14px}}

.suggest-box{background:var(--panel);border:1px solid var(--line);border-radius:12px;margin:-2px 0 10px;overflow:hidden}.suggest-item{display:block;width:100%;text-align:left;border:0;border-bottom:1px solid var(--line);background:transparent;color:var(--text);padding:10px 12px;cursor:pointer}.suggest-item:last-child{border-bottom:0}.suggest-item small{display:block;color:var(--muted);margin-top:2px}.provider-note{display:block;color:#718296;font-size:11px;margin-top:15px;padding-top:12px;border-top:1px solid var(--line)}

/* ===== v5.3 · búsqueda multi-suplidor ===== */
.provider-status{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0 16px}
.provider-state{display:inline-flex;align-items:center;gap:4px;padding:7px 10px;border:1px solid var(--line,#2b3442);border-radius:999px;background:rgba(255,255,255,.025);font-size:12px;color:var(--muted,#9aa9ba)}
.provider-state b{color:var(--text,#eef3f8)}
.provider-state.ok{border-color:rgba(66,211,146,.28)}
.provider-state.warn{border-color:rgba(255,178,75,.32)}
.provider-state.external{border-color:rgba(126,152,255,.28)}
.result-badge.source{background:rgba(126,152,255,.13);color:#aebdff;border:1px solid rgba(126,152,255,.25)}
.provider-line{display:flex!important;align-items:center;gap:7px;flex-wrap:wrap}
.provider-tag{font-style:normal;font-size:10px;line-height:1;padding:4px 6px;border-radius:6px;background:rgba(126,152,255,.12);color:#aebdff;border:1px solid rgba(126,152,255,.18);text-transform:uppercase;letter-spacing:.04em}
.supplier-box{margin:16px 0;padding:16px;border:1px solid var(--line,#2b3442);border-radius:14px;background:rgba(126,152,255,.045)}
.supplier-box.compact{padding:12px 14px;background:rgba(255,255,255,.018)}
.supplier-title{display:flex;flex-direction:column;gap:3px;margin-bottom:11px}
.supplier-title small{color:var(--muted,#9aa9ba);line-height:1.45}
.supplier-links{display:flex;gap:8px;flex-wrap:wrap}
.supplier-btn{display:inline-flex;align-items:center;justify-content:center;text-decoration:none!important;padding:9px 11px;border-radius:9px;border:1px solid var(--line,#2b3442);background:var(--panel2,#202733);color:var(--text,#eef3f8);font-size:12px;font-weight:700;transition:.15s ease}
.supplier-btn:hover{transform:translateY(-1px);border-color:#6177c8;background:#252e3d}
.supplier-lacuerda{border-color:rgba(77,198,121,.32)}
.supplier-cifraclub{border-color:rgba(255,187,71,.32)}
.supplier-songsterr{border-color:rgba(73,169,255,.32)}
.supplier-guitarparty{border-color:rgba(224,112,255,.28)}
.supplier-hooktheory{border-color:rgba(255,107,107,.28)}
.source-status{border-color:rgba(126,152,255,.3)!important;background:rgba(126,152,255,.08)!important}
.source-pill{border-color:rgba(126,152,255,.3)!important}
@media(max-width:650px){.provider-state{font-size:11px}.supplier-links{display:grid;grid-template-columns:1fr 1fr}.supplier-btn{width:100%;min-height:42px}.supplier-links .supplier-btn:last-child:nth-child(odd){grid-column:1/-1}}