:root{
  --bg:#f6f6f4;--paper:#fff;--paper2:#f2f2ef;--text:#171717;--muted:#666a70;--line:#d8d8d3;
  --black:#0b0b0c;--orange:#e58a2f;--gold:#d89d2b;--green:#168b25;--blue:#0879cc;--purple:#a40aa0;
  --danger:#a63a3a;--shadow:0 10px 28px rgba(0,0,0,.08);--radius:8px
}
html[data-theme="dark"]{--bg:#111315;--paper:#191c20;--paper2:#22262b;--text:#f4f4f1;--muted:#a9adb4;--line:#343940;--black:#050506;--green:#44bf55;--blue:#55aaf0;--purple:#e770e5;--shadow:0 12px 30px rgba(0,0,0,.28)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,Helvetica,sans-serif;line-height:1.4}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer}.portal-shell,.container{width:min(1120px,calc(100% - 28px));margin-inline:auto}
.portal-topbar{position:sticky;top:0;z-index:60;background:var(--black);color:#fff;border-bottom:1px solid #202020}.topbar-inner{height:42px;display:flex;align-items:center;gap:18px}.portal-brand{display:flex;align-items:center;gap:8px;font-weight:800;font-size:15px;white-space:nowrap}.portal-brand img{width:27px;height:27px}.portal-brand small{color:var(--gold);font-size:10px}.portal-nav{display:flex;align-items:center;gap:17px;font-size:12px;white-space:nowrap}.portal-nav a:hover{color:#f0a34a}.topbar-search{margin-left:auto;position:relative;display:flex;width:min(310px,27vw)}.topbar-search input{width:100%;height:27px;padding:4px 34px 4px 9px;border:0;border-radius:3px;background:#fff;color:#222;outline:none;font-size:12px}.topbar-search button{position:absolute;right:0;top:0;height:27px;width:31px;border:0;border-radius:0 3px 3px 0;background:var(--orange);color:#fff;font-weight:900}.topbar-user{display:flex;align-items:center;gap:9px;font-size:11px}.theme-button,.top-link{border:0;background:transparent;color:#fff;padding:3px}.top-link:hover{color:#f0a34a}.top-register{background:var(--orange);padding:5px 8px;border-radius:3px;font-weight:700}.user-chip{padding:4px 7px;background:#303034;border-radius:10px}.inline-form{display:inline}.mobile-menu-button{display:none;margin-left:auto;background:transparent;border:1px solid #444;color:#fff;border-radius:4px;padding:5px 8px}.alert-wrap{padding-top:14px}.alert{padding:10px 13px;border-radius:5px;border:1px solid var(--line);background:var(--paper)}.alert.success{border-color:#87c891;color:#18752a}.alert.error{border-color:#d79a9a;color:var(--danger)}

.portal-hero{background:var(--paper);border-bottom:1px solid var(--line);padding:34px 0 42px}.hero-center{text-align:center}.hero-logo{width:min(430px,72vw);height:auto;display:block;margin:0 auto 2px}.hero-tagline{margin:0 0 28px;color:#f05b22;font-weight:700;font-size:15px}.portal-main-search{position:relative;display:grid;grid-template-columns:1fr 82px;gap:6px;width:min(510px,100%);margin:0 auto;text-align:left}.portal-main-search input{height:33px;border:1px solid #9a9a96;border-radius:3px;padding:5px 9px;background:#fff;color:#222;font-size:13px}.portal-main-search button{border:0;border-radius:3px;background:#ff7e3e;color:#fff;font-weight:700}.search-help{width:min(510px,100%);margin:5px auto 0;display:grid;gap:5px;text-align:left;font-size:11px;color:var(--muted)}.search-help a{color:#555;text-decoration:underline}.hero-tools{display:grid;grid-template-columns:repeat(3,1fr);gap:64px;width:min(610px,100%);margin:54px auto 0}.hero-tool{display:grid;justify-items:center;gap:2px}.tool-icon{width:74px;height:74px;display:grid;place-items:center}.tool-icon img{width:72px;height:72px}.hero-tool strong{color:#0876c9;font-size:13px}.hero-tool small{color:var(--muted);font-size:11px}.hero-tool:hover strong{text-decoration:underline}

.search-suggestions{position:absolute;z-index:100;left:0;right:0;top:calc(100% + 4px);background:var(--paper);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:5px;overflow:hidden;color:var(--text)}.topbar-suggestions{top:31px}.suggestion{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:9px 11px;border-bottom:1px solid var(--line);font-size:12px}.suggestion:hover{background:var(--paper2)}.suggestion small{display:block;color:var(--muted);font-size:10px}.suggestion:last-child{border-bottom:0}

.home-portal-grid{display:grid;grid-template-columns:190px minmax(0,1fr) 190px;gap:28px;padding:36px 0 56px;align-items:start}.portal-sidebar{font-size:12px}.sidebar-tabs{display:grid;grid-template-columns:1fr 70px;gap:4px;margin-bottom:10px}.sidebar-tabs>*{background:#aaa;color:#fff;padding:4px 8px;text-align:center;border-radius:3px 3px 0 0;font-size:10px}.sidebar-section{margin-bottom:30px}.sidebar-section h3{font-size:16px;margin:0 0 6px;padding:0 3px 4px;border-bottom:2px solid}.green-title h3{color:var(--green);border-color:var(--green)}.purple-title h3{color:var(--purple);border-color:var(--purple)}.alphabet{display:flex;flex-wrap:wrap;gap:1px;padding:7px 3px 8px;border-bottom:1px solid var(--line)}.alphabet a{font-family:Georgia,serif;font-weight:700;font-size:11px}.alphabet a:hover{color:var(--green)}.side-link{display:block;padding:8px 4px;border-bottom:1px solid var(--line);font-weight:700}.side-link:hover{color:var(--green);padding-left:7px}.stats-mini{border:1px solid var(--line);background:var(--paper);padding:9px}.stats-mini h3{border-color:var(--gold);color:var(--gold)}.stats-mini>div{display:flex;justify-content:space-between;gap:8px;padding:5px 1px;border-bottom:1px solid var(--line)}.stats-mini>div:last-child{border-bottom:0}.stats-mini strong{font-size:15px}.stats-mini span{color:var(--muted)}
.portal-center-column{min-width:0}.portal-banner{min-height:78px;background:linear-gradient(135deg,#eee,#f8f8f8);border:1px solid #e5e5e5;margin-bottom:10px;padding:14px 18px;display:grid;align-content:center;text-align:center}.portal-banner span{font-size:10px;letter-spacing:2px;color:var(--gold);font-weight:800}.portal-banner strong{font-size:18px}.portal-banner small{color:#6e6e6e}.ranking-card{margin-top:11px}.ranking-card h2{text-align:center;font-size:16px;font-weight:700;margin:8px 0}.ranking-titlebar{height:24px;background:linear-gradient(90deg,#090909 0,#090909 55%,#ddd 100%);color:#fff;padding:4px 8px;font-size:10px;font-weight:700}.ranking-titlebar.muted-bar{background:linear-gradient(90deg,#333,#aaa)}.ranking-list{list-style:none;padding:0 10px;margin:0}.ranking-list li{display:grid;grid-template-columns:28px 1fr;gap:6px;align-items:center;min-height:31px;border-bottom:1px solid var(--line);font-size:12px}.rank-number{color:#ff6e37;font-weight:700;text-align:right}.ranking-list a{display:flex;align-items:baseline;justify-content:space-between;gap:9px;min-width:0}.ranking-list strong{color:var(--green);font-size:12px}.ranking-list small{color:var(--muted);font-size:9px;white-space:nowrap}.ranking-list a:hover strong{text-decoration:underline}.empty-row{color:var(--muted);padding:12px}.compact-ranking{margin-bottom:28px}
.install-card{text-align:center;padding:8px 5px 16px}.install-card>span{font-weight:700}.install-card>strong{display:block;color:#f01414;font-size:20px}.install-card>small{display:block;font-weight:700}.install-card img{display:block;margin:8px auto}.install-card button{border:0;background:var(--orange);color:#fff;padding:7px 10px;border-radius:4px;font-weight:700}.install-card p{font-size:10px;color:var(--muted)}.popular-artists h3{margin:0 0 7px;background:linear-gradient(90deg,#050505,#555);color:#fff;font-size:11px;text-align:center;padding:4px}.popular-artist-row{display:grid;grid-template-columns:1fr 38px;align-items:center;gap:7px;padding:5px 2px;border-bottom:1px solid transparent}.popular-artist-row:hover{background:var(--paper)}.popular-artist-row>span:first-of-type{grid-column:2}.popular-artist-row img,.artist-mini-avatar{grid-column:2;grid-row:1;width:35px;height:35px;object-fit:cover;border-radius:3px}.popular-artist-row>span:last-child{grid-column:1;grid-row:1;text-align:right}.popular-artist-row strong{display:block;font-size:11px}.popular-artist-row small{display:block;color:var(--muted);font-size:9px}.artist-mini-avatar{display:grid;place-items:center;background:#202020;color:#fff;font-weight:800}.community-card{margin-top:23px;border-top:2px solid var(--gold);padding-top:7px}.community-card h3{color:var(--gold);margin:0 0 6px}.community-card p{margin:8px 0 1px;color:var(--muted)}.community-card a{color:var(--blue);font-weight:700}

.btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid #111;background:#111;color:#fff;padding:9px 14px;border-radius:5px;font-weight:700}.btn:hover{opacity:.88}.btn-ghost{background:var(--paper);color:var(--text);border-color:var(--line)}.btn-small{padding:6px 9px;font-size:12px}.btn-active{background:#b52828;border-color:#b52828}.eyebrow{font-size:10px;letter-spacing:2px;font-weight:800;color:var(--gold)}.muted{color:var(--muted)}
.page-head{padding:44px 0 24px}.compact-head{padding-bottom:12px}.page-head h1{font-size:36px;margin:5px 0 6px}.page-head p{margin:0;color:var(--muted);max-width:760px}.big-search{display:flex;gap:7px;max-width:680px;margin-top:16px}.big-search input,.panel-form input,.panel-form textarea,.panel-form select,.editor-form input,.editor-form textarea,.editor-form select,.inline-controls select,.inline-controls input,.auth-card input,.chord-controls-card select{width:100%;background:var(--paper);border:1px solid var(--line);color:var(--text);border-radius:4px;padding:9px 10px;outline:none}.big-search input:focus,input:focus,textarea:focus,select:focus{border-color:var(--gold);box-shadow:0 0 0 2px rgba(216,157,43,.16)}.search-columns{display:grid;grid-template-columns:.7fr 1.3fr;gap:36px;padding:10px 0 60px}.card-list{display:grid;gap:6px}.simple-card{display:flex;gap:10px;align-items:center;background:var(--paper);border:1px solid var(--line);padding:9px;border-radius:5px}.simple-card:hover{border-color:#aaa}.simple-card strong{display:block}.simple-card small{display:block;color:var(--muted)}.song-list{border-top:1px solid var(--line)}.song-row{display:grid;grid-template-columns:34px minmax(0,1fr) auto auto;gap:10px;align-items:center;padding:11px 5px;border-bottom:1px solid var(--line)}.song-row:hover{background:var(--paper)}.song-row strong{display:block;color:var(--green)}.song-row small{display:block;color:var(--muted)}.rank{color:#e56c34}.note-dot{display:grid;place-items:center;width:25px;height:25px;background:#f4dfbd;border-radius:50%;color:#b97914}.key-pill{font-family:ui-monospace,monospace;border:1px solid var(--line);padding:3px 6px;border-radius:4px;font-weight:700}
.artist-avatar{display:grid;place-items:center;width:46px;height:46px;border-radius:4px;background:#171717;color:#fff;font-weight:900}.artist-avatar.small{width:36px;height:36px}.artist-avatar.huge{width:120px;height:120px;font-size:42px}.artist-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:9px}.artist-card,.playlist-card{background:var(--paper);border:1px solid var(--line);border-radius:5px;padding:13px}.artist-card:hover,.playlist-card:hover{box-shadow:var(--shadow)}.artist-card span,.playlist-card small{display:block;color:var(--muted);font-size:11px;margin-top:4px}.artist-hero{padding:48px 0;background:var(--paper);border-bottom:1px solid var(--line)}.artist-hero-grid{display:grid;grid-template-columns:140px 1fr;gap:24px;align-items:center}.artist-hero h1{font-size:42px;margin:0}.artist-hero p{max-width:760px;color:var(--muted)}.meta-line{display:flex;gap:8px;flex-wrap:wrap;color:var(--muted);font-size:12px}.meta-line span{padding-right:8px;border-right:1px solid var(--line)}.meta-line span:last-child{border:0}.block-section{padding:24px 0 60px}.section-head{display:flex;align-items:end;justify-content:space-between;margin-bottom:12px}.section-head h2{font-size:24px;margin:3px 0}.section-head>a{font-size:12px;color:var(--blue)}
.song-heading{display:flex;justify-content:space-between;gap:20px;align-items:end;padding:38px 0 18px}.song-heading h1{font-size:38px;margin:6px 0 10px}.breadcrumb{color:var(--blue);font-weight:700;font-size:12px}.player-shell{display:grid;grid-template-columns:220px 1fr;gap:18px;padding-bottom:30px}.versions-panel{align-self:start;position:sticky;top:56px;background:var(--paper);border:1px solid var(--line);border-radius:5px;padding:9px}.versions-panel>.eyebrow{display:block;margin:4px 5px 8px}.version-item{display:block;padding:9px;border-radius:3px;margin-top:3px}.version-item:hover,.version-item.active{background:var(--paper2)}.version-item small{display:block;color:var(--muted);font-size:11px}.version-item span{display:block;font-size:10px;color:var(--gold);margin-top:4px}.sheet-panel{min-width:0;background:var(--paper);border:1px solid var(--line);border-radius:5px;overflow:hidden}.sheet-toolbar{display:flex;align-items:center;gap:6px;flex-wrap:wrap;padding:8px;border-bottom:1px solid var(--line);position:sticky;top:42px;z-index:20;background:var(--paper)}.sheet-toolbar button,.control-group{border:1px solid var(--line);background:var(--paper2);color:var(--text);border-radius:4px;padding:6px 8px;font-weight:700;font-size:12px}.control-group{display:flex;align-items:center;padding:0;overflow:hidden}.control-group button{border:0;border-radius:0;padding:6px 10px}.control-group span{padding:0 8px;font-size:11px}.speed{display:flex;align-items:center;gap:6px;font-size:10px;color:var(--muted)}.speed input{width:80px}.sheet-meta{display:flex;justify-content:space-between;gap:12px;padding:14px 22px 0;color:var(--muted);font-size:11px}.chord-sheet{margin:0;padding:22px 26px 42px;white-space:pre;overflow:auto;font-family:"SFMono-Regular",Consolas,monospace;font-size:17px;line-height:1.75;color:var(--text)}.notes-box{margin:0 22px 22px;padding:12px;background:var(--paper2);border-radius:4px}.notes-box p{margin-bottom:0}.focus-mode .portal-topbar,.focus-mode .site-footer,.focus-mode .versions-panel,.focus-mode .song-heading,.focus-mode .add-repertoire{display:none}.focus-mode .player-shell{width:100%;max-width:none;padding:0;display:block}.focus-mode .sheet-panel{border:0;border-radius:0;min-height:100vh}.focus-mode .sheet-toolbar{top:0}.add-repertoire{padding:0 0 55px}.inline-controls{display:flex;gap:7px;align-items:center}.inline-controls select{max-width:320px}.inline-controls input{width:82px}
.auth-page{min-height:70vh;display:grid;place-items:center;padding:44px 14px}.auth-card{width:min(430px,100%);background:var(--paper);border:1px solid var(--line);border-radius:7px;padding:26px;box-shadow:var(--shadow)}.auth-card h1{font-size:30px;margin:6px 0 20px}.auth-card label,.panel-form label,.editor-form label,.chord-controls-card label{display:grid;gap:6px;font-size:12px;font-weight:700;margin-bottom:12px}.auth-card .btn{width:100%;margin-top:7px}.auth-card p,.auth-card small{color:var(--muted)}.split-layout{display:grid;grid-template-columns:1.4fr .6fr;gap:32px;padding-bottom:60px}.playlist-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:9px}.playlist-card>span{display:grid;place-items:center;width:36px;height:36px;border-radius:4px;background:#f2dfbd;color:#b87813;font-size:18px;margin-bottom:16px}.panel-form,.editor-form{background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:18px;align-self:start}.panel-form.wide{max-width:780px;margin-bottom:55px}.check{display:flex!important;grid-template-columns:auto 1fr!important;align-items:center}.check input{width:auto!important}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 12px}.editor-form{margin-bottom:55px}.code-editor{font-family:ui-monospace,monospace;line-height:1.55}.request-list{border-top:1px solid var(--line)}.request-row{display:grid;grid-template-columns:36px 1fr auto;gap:10px;align-items:center;padding:11px 5px;border-bottom:1px solid var(--line)}.request-row small{display:block;color:var(--muted)}.vote-count{font-weight:900;color:var(--gold)}.empty{text-align:center;padding:65px 18px;color:var(--muted)}.empty h1,.empty h2{color:var(--text)}.big-code{font-size:72px;font-weight:950;color:var(--gold);line-height:1}.admin-actions{display:flex;gap:7px;flex-wrap:wrap}.admin-stats{margin-top:0}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:5px;overflow:hidden;margin-top:25px}.stats-grid>div{background:var(--paper);padding:16px}.stats-grid strong{display:block;font-size:23px}.stats-grid span{font-size:11px;color:var(--muted)}.admin-table{border:1px solid var(--line);border-radius:5px;overflow:hidden}.admin-tr{display:grid;grid-template-columns:1.4fr 1fr .7fr 1fr;gap:10px;align-items:center;padding:10px 12px;background:var(--paper);border-bottom:1px solid var(--line)}.admin-tr:last-child{border:0}.admin-tr small{display:block;color:var(--muted)}.admin-th{font-size:10px;font-weight:900;color:var(--muted);background:var(--paper2)}.moderation-actions{display:flex;gap:5px}

.tool-page{display:grid;grid-template-columns:1fr 340px;gap:22px;padding-bottom:60px}.tuner-card,.reference-card,.chord-controls-card,.chord-diagram-card{background:var(--paper);border:1px solid var(--line);border-radius:7px;padding:24px}.tuner-card{text-align:center}.tuner-meter{height:75px;position:relative;border-bottom:3px solid var(--text);margin:15px auto 10px;max-width:460px;display:flex;justify-content:space-between;align-items:end;color:var(--muted);font-size:11px}.tuner-meter:before{content:"";position:absolute;left:50%;bottom:-7px;width:2px;height:20px;background:var(--green)}.tuner-meter i{position:absolute;width:3px;height:58px;background:var(--orange);left:50%;bottom:0;transform-origin:bottom center;transform:rotate(0deg);transition:transform .12s}.tuner-note{font-size:72px;font-weight:900;line-height:1}.tuner-frequency{font-size:18px;color:var(--muted);margin:5px}.tuner-status{font-weight:700;margin:10px 0 18px}.tool-note{font-size:11px;color:var(--muted);max-width:470px;margin:14px auto 0}.reference-card h2{margin-top:0}.string-grid{display:grid;grid-template-columns:40px 55px 1fr;gap:8px;border-top:1px solid var(--line)}.string-grid>*{padding:7px 3px;border-bottom:1px solid var(--line)}.string-grid span{color:var(--muted)}.chord-tool-layout{display:grid;grid-template-columns:280px 1fr;gap:20px;padding-bottom:60px}.chord-name-large{font-size:52px;font-weight:900;text-align:center;color:var(--green);padding-top:15px}.chord-diagram-card{display:grid;place-items:center;min-height:430px}.chord-diagram-card svg{width:min(320px,100%);height:auto}.chord-diagram-card p{color:var(--muted);font-size:12px}

.site-footer{border-top:1px solid var(--line);padding:30px 0;color:var(--muted);font-size:11px;background:var(--paper)}.footer-grid{display:grid;grid-template-columns:1fr auto auto;gap:35px}.footer-grid>div{display:grid;gap:4px}.footer-grid strong{color:var(--text);font-size:15px}.footer-grid a:hover{color:var(--green)}

@media(max-width:980px){.portal-shell,.container{width:min(94%,1120px)}.topbar-search{display:none}.home-portal-grid{grid-template-columns:170px minmax(0,1fr)}.right-sidebar{grid-column:1/-1;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.popular-artists{grid-column:auto}.popular-artist-row{grid-template-columns:38px 1fr}.popular-artist-row img,.popular-artist-row .artist-mini-avatar{grid-column:1}.popular-artist-row>span:last-child{grid-column:2;text-align:left}.tool-page{grid-template-columns:1fr 290px}.main-nav{display:none}.search-columns,.split-layout,.player-shell{grid-template-columns:1fr}.versions-panel{position:static;display:flex;overflow:auto}.version-item{min-width:190px}.artist-grid{grid-template-columns:repeat(2,1fr)}.artist-hero-grid{grid-template-columns:1fr}.stats-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr auto}.admin-tr{grid-template-columns:1fr 1fr}.admin-th{display:none}}
@media(max-width:760px){.topbar-inner{height:auto;min-height:46px;flex-wrap:wrap;padding:7px 0}.mobile-menu-button{display:block}.portal-nav{display:none;order:5;width:100%;flex-direction:column;align-items:stretch;gap:0;padding:5px 0 8px}.portal-nav.open{display:flex}.portal-nav a{padding:9px 5px;border-top:1px solid #292929}.topbar-user{margin-left:0}.portal-brand{margin-right:auto}.hero-logo{width:min(350px,88vw)}.hero-tools{gap:18px}.home-portal-grid{grid-template-columns:1fr}.left-sidebar{display:grid;grid-template-columns:1fr 1fr;gap:20px}.sidebar-tabs{grid-column:1/-1}.stats-mini{grid-column:1/-1}.right-sidebar{grid-column:auto;grid-template-columns:1fr 1fr}.community-card{grid-column:1/-1}.ranking-list a{display:block}.ranking-list small{display:block;margin-top:2px}.tool-page,.chord-tool-layout{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.page-head h1,.artist-hero h1,.song-heading h1{font-size:32px}.song-heading{align-items:start}}
@media(max-width:520px){.portal-shell,.container{width:min(100% - 18px,1120px)}.portal-hero{padding:26px 0 32px}.hero-tagline{font-size:12px;margin-bottom:20px}.portal-main-search{grid-template-columns:1fr 70px}.hero-tools{grid-template-columns:1fr;gap:18px;margin-top:36px}.hero-tool{grid-template-columns:62px 1fr;text-align:left;justify-items:start;align-items:center}.tool-icon{grid-row:1/3;width:60px;height:60px}.tool-icon img{width:58px;height:58px}.hero-tool small{grid-column:2}.left-sidebar{grid-template-columns:1fr}.sidebar-tabs,.stats-mini{grid-column:auto}.right-sidebar{grid-template-columns:1fr}.community-card{grid-column:auto}.home-portal-grid{padding-top:24px}.portal-banner{min-height:66px}.ranking-list{padding:0}.ranking-list li{grid-template-columns:24px 1fr}.ranking-list strong{font-size:11px}.popular-artists{padding-inline:20px}.song-row{grid-template-columns:30px 1fr auto}.song-row>.muted{display:none}.artist-grid,.playlist-grid,.form-grid{grid-template-columns:1fr}.song-heading{display:block}.song-actions{margin-top:14px}.sheet-toolbar{top:46px}.chord-sheet{padding:18px 12px;font-size:15px}.sheet-meta{padding-inline:12px}.inline-controls{align-items:stretch;flex-direction:column}.inline-controls select,.inline-controls input{max-width:none;width:100%}.nav-user .user-pill{display:none}.big-search{display:grid;grid-template-columns:1fr}.search-columns{gap:24px}.tuner-note{font-size:58px}}

/* Keep the brand artwork readable in dark mode. */
html[data-theme="dark"] .hero-logo{background:#fff;border-radius:8px;padding:6px}


/* === LasTeclas 0.3 · diagramas interactivos === */
:root{--chord-color:#4f5bd5;--chord-hover:#7c3aed;--chord-soft:#eef0ff}
html[data-theme="dark"]{--chord-color:#8fa0ff;--chord-hover:#c084fc;--chord-soft:#292b48}
.chord-color-sample{color:var(--chord-color)}
.diagram-toolbar{display:flex;align-items:center;gap:9px;flex-wrap:wrap;padding:8px 14px;border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--paper2) 72%,transparent);font-size:11px;color:var(--muted)}
.diagram-toolbar>span{font-weight:700;color:var(--text)}
.diagram-toolbar small{margin-left:auto}.instrument-tabs{display:flex;gap:5px;flex-wrap:wrap;margin-bottom:17px}.instrument-tabs button{border:1px solid var(--line);background:var(--paper2);color:var(--text);border-radius:5px;padding:7px 10px;font-weight:700;font-size:12px}.instrument-tabs button:hover{border-color:var(--chord-color)}.instrument-tabs button.active{background:var(--chord-color);border-color:var(--chord-color);color:#fff}.instrument-tabs.compact{margin:0}.instrument-tabs.compact button{padding:5px 8px;font-size:11px}
.chord-sheet{margin:0;padding:24px 26px 46px;overflow:auto;font-family:"SFMono-Regular",Consolas,"Liberation Mono",monospace;font-size:17px;line-height:1.42;color:var(--text);white-space:normal}
.music-line{display:block;min-height:2.75em;white-space:nowrap}.music-line.lyric-only{min-height:1.55em;white-space:pre-wrap}.music-prefix{display:inline-block;white-space:pre;vertical-align:bottom;min-height:1.4em}.music-segment{display:inline-grid;grid-template-rows:1.18em 1.42em;vertical-align:top;white-space:pre;min-width:max-content}.segment-chord{display:block;min-height:1.18em;line-height:1}.segment-lyric{display:block;min-height:1.42em;white-space:pre}
.chord-token{appearance:none;border:0;background:transparent;color:var(--chord-color);font:inherit;font-weight:800;line-height:1;padding:0 .02em;margin:0;text-decoration:none;border-radius:3px;cursor:pointer}.chord-token:hover,.chord-token:focus-visible{color:var(--chord-hover);background:var(--chord-soft);outline:2px solid color-mix(in srgb,var(--chord-color) 35%,transparent);outline-offset:2px}.chord-token:active{transform:translateY(1px)}
.chord-popover{position:fixed;z-index:250;width:min(355px,calc(100vw - 20px));max-height:min(520px,calc(100vh - 20px));overflow:auto;background:var(--paper);color:var(--text);border:1px solid var(--line);border-radius:10px;box-shadow:0 18px 55px rgba(0,0,0,.24);padding:10px}.chord-popover[hidden]{display:none}.chord-popover-head{display:flex;align-items:center;justify-content:space-between;gap:12px;border-bottom:1px solid var(--line);padding:3px 3px 9px;margin-bottom:8px}.chord-popover-head strong{font-size:15px;color:var(--chord-color)}.chord-popover-head button{border:0;background:var(--paper2);color:var(--text);width:29px;height:29px;border-radius:50%;font-size:20px;line-height:1}.popover-tabs{justify-content:center;margin-bottom:4px}.popover-diagram{display:grid;place-items:center;min-height:190px}.popover-diagram svg{width:100%;height:auto;max-height:330px}.popover-diagram .piano-diagram{max-height:230px}.diagram-empty{display:grid;place-items:center;text-align:center;gap:8px;min-height:180px;padding:20px;color:var(--muted)}.diagram-empty strong{font-size:26px;color:var(--chord-color)}.diagram-empty small{max-width:260px}
.diagram-stage{width:100%;display:grid;place-items:center}.diagram-stage svg{width:min(520px,100%);height:auto}.diagram-stage .fret-diagram{max-width:340px}.diagram-stage .piano-diagram{max-width:650px}.tool-tip-note{margin-top:12px;padding:10px;background:var(--paper2);border-left:3px solid var(--chord-color);font-size:11px;color:var(--muted)}.chord-name-large{color:var(--chord-color)}

@media(max-width:760px){.diagram-toolbar{align-items:flex-start}.diagram-toolbar small{width:100%;margin-left:0}.music-line{overflow:visible;min-height:2.65em}.chord-popover{position:fixed!important;left:8px!important;right:8px!important;top:auto!important;bottom:8px;width:auto;max-height:58vh;border-radius:14px}.popover-diagram svg{max-height:270px}.popover-diagram .piano-diagram{max-height:190px}}
@media(max-width:520px){.chord-sheet{padding:18px 10px 38px;font-size:15px}.music-line{min-height:2.5em}.diagram-toolbar{padding:8px 10px}.instrument-tabs.compact{width:100%}.instrument-tabs.compact button{flex:1}.chord-tool-layout .instrument-tabs button{flex:1 1 100%}}

/* === LasTeclas 0.4 · afinador cromático === */
.portal-brand small{margin-left:2px}
.tuner-page-head{padding-bottom:16px}.tuner-page-layout{display:grid;grid-template-columns:190px minmax(0,1fr) 230px;gap:26px;align-items:start;padding-bottom:64px}.tuner-resource-nav{font-size:12px}.tuner-resource-nav h2{margin:0;background:linear-gradient(90deg,var(--purple),#c324b4);color:#fff;text-transform:uppercase;font-size:17px;padding:7px 9px}.tuner-resource-nav>a{display:block;padding:10px 7px;border-bottom:1px solid var(--line);font-weight:700}.tuner-resource-nav>a:hover,.tuner-resource-nav>a.active{color:var(--purple);padding-left:10px}.tuner-resource-note{margin-top:24px;padding:11px 8px;border-top:2px solid var(--line);border-bottom:1px solid var(--line);display:grid;gap:3px}.tuner-resource-note span{font-size:10px;color:var(--muted)}
.tuner-workspace{min-width:0}.tuner-titlebar{background:linear-gradient(90deg,#070707 0,#070707 24%,#aaa 100%);color:#fff;padding:6px 9px;font-weight:800;font-size:16px;margin-bottom:10px}.tuner-secure-warning{display:grid;gap:4px;background:#fff1db;color:#6d4513;border:1px solid #efc47f;border-radius:6px;padding:11px 13px;margin-bottom:10px;font-size:12px}.tuner-secure-warning[hidden]{display:none}.tuner-secure-warning span{font-size:11px}.tuner-console{background:linear-gradient(135deg,#f7f7f7 0,#eee 48%,#f8f8f8 100%);border:1px solid #d6d6d6;color:#111;min-height:620px;position:relative;overflow:hidden}.tuner-controls-row{display:grid;grid-template-columns:1.1fr 1fr auto;gap:18px;align-items:center;padding:12px 14px;border-bottom:1px solid #d4d4d4;background:rgba(255,255,255,.54)}.tuner-input-level{display:grid;grid-template-columns:18px 1fr;grid-template-rows:auto auto;gap:2px 6px;align-items:center}.mic-symbol{grid-row:1/3;width:14px;height:18px;border:3px solid #333;border-radius:8px;font-size:0;position:relative}.mic-symbol:after{content:"";position:absolute;left:50%;bottom:-8px;width:8px;height:6px;border-left:2px solid #333;border-right:2px solid #333;border-bottom:2px solid #333;transform:translateX(-50%);border-radius:0 0 5px 5px}.input-level-track{height:9px;border:1px solid #555;border-radius:4px;background:#bcbcbc;overflow:hidden}.input-level-track i{display:block;width:0;height:100%;background:linear-gradient(90deg,#21a7df,#43c778,#e8ac35,#e85d45);transition:width .08s linear}.tuner-input-level small{grid-column:2;font-size:9px;color:#555}.tuner-calibration{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:7px;font-size:10px;color:#555}.tuner-calibration label{font-weight:800}.tuner-calibration input{width:100%}.tuner-calibration output{min-width:54px;text-align:right}.tuner-notation{display:flex;gap:4px}.tuner-notation button{border:1px solid #aaa;background:#e6e6e6;color:#444;border-radius:4px;padding:4px 8px;font-size:10px}.tuner-notation button.active{background:#fff;border-color:#555;color:#111;box-shadow:inset 0 0 0 1px #aaa}
.tuner-display{position:relative;min-height:390px;display:grid;place-items:center;align-content:center;padding:42px 40px 20px}.tuner-note-wrap{position:relative;display:inline-flex;align-items:flex-end;justify-content:center;min-width:210px;line-height:.8}.tuner-note-main{font-size:132px;font-weight:900;letter-spacing:-8px}.tuner-accidental{position:absolute;left:26px;top:-18px;font-size:54px;font-weight:900}.tuner-octave{font-size:34px;font-weight:900;margin-left:8px;margin-bottom:8px}.tuner-direction{position:absolute;top:46%;width:0;height:0;opacity:.13;transition:opacity .12s,filter .12s}.tuner-direction-low{left:28%;border-top:27px solid transparent;border-bottom:27px solid transparent;border-right:34px solid #111}.tuner-direction-high{right:28%;border-top:27px solid transparent;border-bottom:27px solid transparent;border-left:34px solid #d80000}.tuner-direction.active{opacity:1;filter:drop-shadow(0 3px 2px rgba(0,0,0,.12))}.tuner-frequency{font-size:22px;margin-top:24px}.tuner-cents{font-size:43px;font-weight:800;margin-top:10px}.tuner-status{font-size:14px;font-weight:800;margin-top:8px;min-height:20px}.tuner-status[data-state="good"]{color:#168b25}.tuner-status[data-state="low"],.tuner-status[data-state="high"]{color:#d6721d}.tuner-status[data-state="error"]{color:#b32b2b}.tuner-status[data-state="listening"]{color:#3d70a7}
.tuner-scale{height:96px;background:linear-gradient(#ddd,#eee);border-top:1px solid #d0d0d0;display:grid;grid-template-columns:72px 1fr 72px;align-items:center;padding:0 10px;position:relative}.tuner-scale-dots{position:relative;height:64px;display:flex;align-items:center;justify-content:space-between}.tuner-scale-dots:after{content:"";position:absolute;left:0;right:0;bottom:11px;height:11px;background:repeating-linear-gradient(90deg,#555 0 1px,transparent 1px 18px);opacity:.38}.tuner-scale-dots i{width:5px;height:5px;border-radius:50%;background:#444}.tuner-scale-dots i.center{width:8px;height:8px;box-shadow:0 0 0 2px #555 inset;background:#eee}.tuner-scale-pointer{position:absolute;top:0;left:50%;width:0;height:0;border-left:12px solid transparent;border-right:12px solid transparent;border-top:15px solid #333;transform:translateX(-50%);transition:left .11s linear}.tuner-scale-pointer:after{content:"";position:absolute;left:-8px;top:42px;border-left:8px solid transparent;border-right:8px solid transparent;border-bottom:10px solid #333}.tuner-scale-neighbor{text-align:center;font-size:15px;font-weight:800;color:#444}.tuner-action-row{display:flex;align-items:center;gap:14px;padding:14px;background:#fff;border-top:1px solid #d7d7d7}.tuner-action-row>span{font-size:10px;color:#666}.tuner-start-button{white-space:nowrap}
.tuner-reference-panel{background:var(--paper);border:1px solid var(--line);padding:14px}.tuner-reference-panel h2{font-size:15px;margin:0}.tuner-reference-panel>p{font-size:10px;color:var(--muted);margin:4px 0 12px}.tuner-strings{display:grid;gap:6px}.tuner-strings button{display:grid;grid-template-columns:26px 42px 1fr;align-items:center;gap:5px;border:1px solid var(--line);background:var(--paper2);color:var(--text);padding:7px;border-radius:4px;text-align:left}.tuner-strings button span,.tuner-strings button small{font-size:9px;color:var(--muted)}.tuner-strings button strong{font-size:13px}.tuner-strings button:hover,.tuner-strings button.selected{border-color:var(--purple);box-shadow:0 0 0 2px color-mix(in srgb,var(--purple) 15%,transparent)}.tuner-reference-tip{display:grid;gap:3px;border-top:2px solid var(--gold);margin-top:16px;padding-top:8px;font-size:10px}.tuner-reference-tip span{color:var(--muted)}
html[data-theme="dark"] .tuner-console{background:linear-gradient(135deg,#ededed,#dcdcdc);color:#111}html[data-theme="dark"] .tuner-secure-warning{background:#40351e;color:#ffe5ac;border-color:#8d6d31}
@media(max-width:1050px){.tuner-page-layout{grid-template-columns:170px minmax(0,1fr)}.tuner-reference-panel{grid-column:1/-1;display:grid;grid-template-columns:150px 1fr;gap:16px}.tuner-reference-panel>p{grid-column:1}.tuner-strings{grid-column:2;grid-row:1/4;grid-template-columns:repeat(3,1fr)}.tuner-reference-tip{grid-column:1}}
@media(max-width:760px){.tuner-page-layout{grid-template-columns:1fr}.tuner-resource-nav{display:none}.tuner-controls-row{grid-template-columns:1fr 1fr}.tuner-notation{grid-column:1/-1}.tuner-notation button{flex:1}.tuner-display{min-height:340px;padding-inline:20px}.tuner-note-main{font-size:110px}.tuner-direction-low{left:12%}.tuner-direction-high{right:12%}.tuner-reference-panel{grid-column:auto;display:block}.tuner-strings{grid-template-columns:repeat(2,1fr)}.tuner-scale{grid-template-columns:50px 1fr 50px}}
@media(max-width:520px){.tuner-controls-row{grid-template-columns:1fr}.tuner-calibration,.tuner-notation{grid-column:auto}.tuner-display{min-height:300px;padding-top:30px}.tuner-note-main{font-size:88px;letter-spacing:-5px}.tuner-accidental{font-size:40px;left:20px;top:-12px}.tuner-octave{font-size:25px}.tuner-cents{font-size:34px}.tuner-frequency{font-size:18px}.tuner-direction-low{left:7%;border-top-width:20px;border-bottom-width:20px;border-right-width:26px}.tuner-direction-high{right:7%;border-top-width:20px;border-bottom-width:20px;border-left-width:26px}.tuner-scale{grid-template-columns:34px 1fr 34px;padding-inline:4px}.tuner-scale-neighbor{font-size:11px}.tuner-action-row{align-items:stretch;flex-direction:column}.tuner-action-row .btn{width:100%}.tuner-strings{grid-template-columns:1fr 1fr}}