/* GS Toy: Game & Acorduri (v3) — fără dependențe externe */
.gs-root{font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;line-height:1.35}
.gs-shell{max-width:1100px;margin:18px auto;padding:0 14px}
.gs-root *{box-sizing:border-box}
.gs-root .muted{opacity:.72}
.gs-root .gs-h1{font-size:20px;font-weight:800;letter-spacing:.2px}
.gs-root .gs-sub{margin-top:6px;font-size:13px;opacity:.86;max-width:70ch}
.gs-topbar{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:12px}

.gs-card{border-radius:18px;padding:14px;border:1px solid var(--bd);background:var(--card);box-shadow:0 10px 30px rgba(0,0,0,.12)}
.gs-card--controls{padding:14px;margin-bottom:14px}
.gs-card--main{padding:14px}

.gs-grid-3{display:grid;grid-template-columns:1fr;gap:10px}
@media(min-width:760px){.gs-grid-3{grid-template-columns:1fr 1fr 1fr}}
.gs-mt{margin-top:10px}

.gs-field label{display:block;font-size:12px;font-weight:700;margin-bottom:6px;opacity:.92}
.gs-field select{width:100%;padding:10px 12px;border-radius:12px;border:1px solid var(--bd);background:var(--input);color:var(--txt);outline:none}
.gs-field select:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accentSoft)}

.gs-toggle{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px;border:1px solid var(--bd);border-radius:14px;background:var(--card2)}
.gs-toggle-title{font-weight:800;font-size:13px}
.gs-toggle-sub{font-size:12px;opacity:.75;margin-top:2px}
.gs-switch{position:relative;display:inline-block;width:46px;height:26px;flex:0 0 auto}
.gs-switch input{opacity:0;width:0;height:0}
.gs-slider{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background:rgba(255,255,255,.12);border:1px solid var(--bd);transition:.18s;border-radius:999px}
.gs-slider:before{position:absolute;content:"";height:20px;width:20px;left:3px;top:50%;transform:translateY(-50%);background:var(--txt);opacity:.9;transition:.18s;border-radius:999px}
.gs-switch input:checked + .gs-slider{background:var(--accentSoft);border-color:rgba(0,0,0,0)}
.gs-switch input:checked + .gs-slider:before{transform:translate(20px,-50%);background:#fff;opacity:1}

.gs-actions{display:flex;align-items:center;justify-content:flex-start;gap:10px}
.gs-btn{padding:10px 12px;border-radius:12px;border:1px solid var(--bd);background:var(--btn);color:var(--txt);cursor:pointer;font-weight:800}
.gs-btn:hover{filter:brightness(1.06)}
.gs-badge{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;font-size:12px;font-weight:800;border:1px solid var(--bd);background:var(--card2)}
.gs-badge--ok{background:rgba(16,185,129,.18);border-color:rgba(16,185,129,.35)}

.gs-card-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}
.gs-card-title{font-weight:900;letter-spacing:.35px}
.gs-pills{display:flex;flex-wrap:wrap;gap:6px;justify-content:flex-end}
.gs-pill{padding:6px 10px;border-radius:999px;border:1px solid var(--bd);background:var(--card2);font-size:12px;font-weight:800}

.gs-stack{display:flex;flex-direction:column;gap:12px}
.gs-section{border:1px solid var(--bd);background:var(--card2);border-radius:16px;padding:12px}
.gs-section-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}
.gs-section-title{font-size:12px;font-weight:900;letter-spacing:.35px}
.gs-meta{font-size:12px;opacity:.82;display:flex;gap:8px;align-items:center}

.gs-details{display:flex;flex-direction:column;gap:10px}
.gs-details-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.gs-tag{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;border:1px solid var(--bd);background:var(--card);font-size:12px;font-weight:800}
.gs-tag .dot{width:8px;height:8px;border-radius:99px;background:var(--accent)}
.gs-diagram-wrap{display:flex;gap:14px;flex-wrap:wrap;align-items:flex-start}
.gs-diagram{width:220px;max-width:100%}
.gs-diagram.small{width:180px}
.gs-diagram svg{width:100%;height:auto;display:block}
.gs-diagram-title{font-size:12px;font-weight:900;margin:0 0 6px 0;opacity:.9}
.gs-diagram-sub{font-size:12px;opacity:.75;margin-top:2px}

.gs-degrees{display:grid;grid-template-columns:1fr;gap:10px}
@media(min-width:760px){.gs-degrees{grid-template-columns:1fr 1fr}}
@media(min-width:1020px){.gs-degrees{grid-template-columns:1fr 1fr 1fr}}

.gs-chord-card{border:1px solid var(--bd);border-radius:16px;background:var(--card);padding:12px;cursor:pointer;min-height:160px;display:flex;flex-direction:column;gap:8px}
.gs-chord-card:hover{filter:brightness(1.05)}
.gs-chord-card.is-active{outline:2px solid var(--accent);outline-offset:2px}
.gs-chord-top{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}
.gs-chord-name{font-size:18px;font-weight:950;letter-spacing:.2px}
.gs-chord-sub{font-size:12px;opacity:.75;margin-top:2px}
.gs-smallmeta{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}
.gs-chip{padding:6px 10px;border-radius:999px;border:1px solid var(--bd);background:var(--card2);font-size:12px;font-weight:800}

.gs-notes{border:1px dashed var(--bd);border-radius:16px;padding:10px;background:transparent}
.gs-notes summary{cursor:pointer;font-weight:900;opacity:.9}
.gs-notes ul{margin:10px 0 0 18px;padding:0}
.gs-notes li{margin:6px 0;opacity:.9}

.gs-theme-btn{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--bd);background:var(--card);color:var(--txt);padding:8px 10px;border-radius:999px;cursor:pointer;font-weight:900}
.gs-theme-btn:hover{filter:brightness(1.06)}
.gs-theme-dot{width:10px;height:10px;border-radius:99px;background:var(--accent)}
.gs-theme-label{font-size:12px;opacity:.9}

/* Themes (scoped to .gs-root) */
.gs-root.theme-dark{
  --txt: rgba(255,255,255,.92);
  --card: rgba(17,24,39,.70);
  --card2: rgba(15,23,42,.60);
  --input: rgba(2,6,23,.35);
  --bd: rgba(148,163,184,.22);
  --btn: rgba(30,41,59,.65);
  --accent: rgba(16,185,129,1);
  --accentSoft: rgba(16,185,129,.22);
  color:var(--txt);
}
.gs-root.theme-light{
  --txt: rgba(15,23,42,.92);
  --card: rgba(255,255,255,.92);
  --card2: rgba(248,250,252,.92);
  --input: rgba(255,255,255,1);
  --bd: rgba(15,23,42,.14);
  --btn: rgba(241,245,249,1);
  --accent: rgba(16,185,129,1);
  --accentSoft: rgba(16,185,129,.18);
  color:var(--txt);
}


:root.tlight{--bg:#ffffff;--fg:#0f172a;--card:#ffffff;--muted:#475569;}
:root.tdark{--bg:#0b1020;--fg:#e5e7eb;--card:#0f1832;--muted:#94a3b8;}

.gs-badge{display:inline-flex;align-items:center;gap:6px;padding:2px 8px;border-radius:999px;font-size:12px;font-weight:700;letter-spacing:.04em;}
.gs-badge-calc{background:rgba(239,68,68,.18);border:1px solid rgba(239,68,68,.45);color:#ef4444;}