/* ============================================================
   UkuleleCifras — identidade "caderno de cifras ao sol"
   Papel quente + madeira koa + tangerina/turquesa/mel tropical.
   Tipos: Baloo 2 (display, arredondada) + Nunito (corpo).
   ============================================================ */

/* ---------- fontes self-hosted ---------- */
@font-face{font-family:'Baloo 2';src:url('vendor/fonts/baloo2-600.woff2') format('woff2');font-weight:600;font-display:swap}
@font-face{font-family:'Baloo 2';src:url('vendor/fonts/baloo2-700.woff2') format('woff2');font-weight:700;font-display:swap}
@font-face{font-family:'Baloo 2';src:url('vendor/fonts/baloo2-800.woff2') format('woff2');font-weight:800;font-display:swap}
@font-face{font-family:'Nunito';src:url('vendor/fonts/nunito-400.woff2') format('woff2');font-weight:400;font-display:swap}
@font-face{font-family:'Nunito';src:url('vendor/fonts/nunito-600.woff2') format('woff2');font-weight:600;font-display:swap}
@font-face{font-family:'Nunito';src:url('vendor/fonts/nunito-700.woff2') format('woff2');font-weight:700;font-display:swap}

:root{
  --paper:#FBF3E2;      /* página do caderno */
  --paper-card:#FFFDF7; /* carta / cartão */
  --paper-sink:#F4E7CB; /* recuo quente */
  --ink:#2E211A;        /* madeira koa escura (texto) */
  --ink-soft:#8A7862;   /* tinta suave */
  --tangerine:#EE6C4D;  /* acento sol/coral */
  --turq:#12A594;       /* turquesa tropical (afinado/ativo) */
  --honey:#E9A11B;      /* verniz/mel */
  --line:#E7D7B6;       /* hairline no papel */
  --wood-1:#7A5334;
  --wood-2:#4A3320;
  --wood-3:#38251550;

  /* compatibilidade com os diagramas SVG (chords.js) */
  --accent:var(--tangerine);
  --accent-2:var(--turq);
  --danger:#D84C3E;

  --radius:16px;
  --tap:46px;
  --shadow:0 6px 20px rgba(74,51,32,.10), 0 1px 0 rgba(255,255,255,.6) inset;

  --display:'Baloo 2',system-ui,sans-serif;
  --body:'Nunito',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
}

*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  background:var(--paper);
  color:var(--ink);
  font-family:var(--body);
  font-weight:400;
  line-height:1.5;
  overscroll-behavior-y:contain;
}
button{font-family:inherit;cursor:pointer;color:inherit}
h1,h2,h3{margin:0;font-family:var(--display);font-weight:800;letter-spacing:.2px}

.screen{display:none;min-height:100vh}
.screen.active{display:block}

/* ============================================================
   HERO (biblioteca) — banda de madeira + roseta + 4 cordas
   ============================================================ */
.hero{
  position:relative;
  padding:26px 20px 0;
  background:
    linear-gradient(180deg, var(--wood-1), var(--wood-2));
  color:#FBEFD8;
  overflow:hidden;
}
/* veios sutis da madeira */
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background:repeating-linear-gradient(96deg,
    rgba(255,240,214,.05) 0 3px, rgba(0,0,0,.05) 3px 7px, transparent 7px 16px);
}
.hero-body{position:relative;display:flex;align-items:center;gap:16px;padding-bottom:20px}
.rosette{width:64px;height:64px;flex:none;filter:drop-shadow(0 3px 6px rgba(0,0,0,.35))}
.ro-body{fill:#5A3D25}
.ro-hole{fill:#241812}
.ro-ring{fill:none}
.ro-honey{stroke:var(--honey);stroke-width:3}
.ro-tang{stroke:var(--tangerine);stroke-width:2}
.ro-dots circle{fill:#FBEFD8}

.brand h1{font-size:30px;line-height:1;color:#FFF7E6}
.brand h1 span{color:var(--honey)}
.brand .tagline{margin:6px 0 0;font-size:13.5px;color:#E9D3AE;font-weight:600}

/* as quatro cordas como divisor-assinatura */
.strings{position:relative;display:flex;flex-direction:column;gap:9px;padding:6px 0 12px}
.str{position:relative;height:2px;border-radius:2px;
  background:linear-gradient(90deg, rgba(251,239,216,.15), rgba(251,239,216,.85) 12%, rgba(251,239,216,.85) 96%, rgba(251,239,216,.2));
}
.str::before{
  content:attr(data-note);
  position:absolute;left:0;top:50%;transform:translateY(-50%);
  font-family:var(--display);font-weight:700;font-size:11px;color:#2b1a0f;
  background:var(--honey);width:18px;height:18px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 1px 3px rgba(0,0,0,.3);
}
.str[data-note="C"]::before{background:var(--tangerine);color:#fff}
.str[data-note="E"]::before{background:var(--turq);color:#fff}
.str[data-note="A"]::before{background:#FBEFD8}

/* ---------- controles da biblioteca (no papel) ---------- */
.lib-controls{padding:16px 14px 4px;max-width:760px;margin:0 auto}
.lib-tools{display:flex;gap:10px}
.pill{
  height:46px;padding:0 18px;border-radius:999px;background:var(--paper-card);
  border:1.5px solid var(--line);color:var(--ink);font-size:15px;font-weight:700;
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  box-shadow:var(--shadow);transition:transform .06s;
}
.pill:active{transform:translateY(1px)}
.pill.primary{background:var(--tangerine);color:#fff;border-color:transparent;
  box-shadow:0 6px 16px rgba(238,108,77,.35)}
.pill.danger{background:transparent;color:var(--danger);border-color:var(--danger);box-shadow:none}
.pill.wide{width:100%;height:52px;font-size:16px}
.pill.on{background:var(--danger);color:#fff;border-color:transparent}

.search{
  width:100%;margin-top:14px;height:48px;padding:0 18px;border-radius:14px;
  background:var(--paper-card);border:1.5px solid var(--line);color:var(--ink);
  font-family:var(--body);font-size:16px;box-shadow:var(--shadow);
}
.search::placeholder{color:var(--ink-soft)}
.search:focus{outline:none;border-color:var(--tangerine)}

.style-filter{display:flex;gap:9px;overflow-x:auto;margin-top:14px;padding-bottom:4px;scrollbar-width:thin}
.fchip{
  flex:none;height:36px;padding:0 16px;border-radius:999px;background:transparent;
  border:1.5px solid var(--line);color:var(--ink-soft);font-size:14px;font-weight:700;white-space:nowrap;
}
.fchip.on{background:var(--ink);color:var(--paper);border-color:var(--ink)}

/* ---------- listas ---------- */
.lib-section{padding:2px 14px 0;max-width:760px;margin:0 auto}
.sec-title{
  font-family:var(--display);font-weight:700;font-size:15px;color:var(--ink);
  margin:20px 6px 12px;display:flex;align-items:center;gap:9px;
}
.sec-title::after{content:"";flex:1;height:2px;border-radius:2px;
  background:repeating-linear-gradient(90deg,var(--line) 0 8px,transparent 8px 14px)}
.song-list{list-style:none;margin:0;padding:0}
.song-list li{margin-bottom:12px}
.song-item{
  width:100%;text-align:left;background:var(--paper-card);color:var(--ink);
  border:1.5px solid var(--line);border-radius:var(--radius);
  padding:15px 16px 15px 20px;display:flex;align-items:center;gap:12px;position:relative;
  box-shadow:var(--shadow);transition:transform .06s,border-color .15s;overflow:hidden;
}
/* "casa"/traste: acento vertical à esquerda */
.song-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;
  background:linear-gradient(180deg,var(--tangerine),var(--honey))}
.song-item:active{transform:translateY(1px)}
.song-item:hover{border-color:var(--tangerine)}
.si-main{flex:1;min-width:0;display:flex;flex-direction:column;gap:4px}
.si-title{font-family:var(--display);font-weight:700;font-size:18px;line-height:1.1;
  display:flex;align-items:center;gap:8px}
.si-meta{font-size:12.5px;color:var(--ink-soft);font-weight:600}
.si-edit{min-width:38px;height:38px;display:flex;align-items:center;justify-content:center;
  border-radius:10px;background:var(--paper-sink);border:1.5px solid var(--line);color:var(--tangerine);font-size:15px}
.badge{font-family:var(--body);font-size:10px;font-weight:800;background:var(--turq);color:#fff;
  border-radius:6px;padding:2px 7px;letter-spacing:.4px;text-transform:uppercase}
.empty{color:var(--ink-soft);text-align:center;padding:28px;font-weight:600}

/* ============================================================
   PLAYER
   ============================================================ */
.player-header{background:var(--paper);border-bottom:1.5px solid var(--line)}
.ph-top{display:flex;align-items:center;gap:12px;padding:12px 14px 6px}
.icon-btn{min-width:var(--tap);height:var(--tap);border-radius:13px;
  background:var(--paper-card);border:1.5px solid var(--line);color:var(--ink);
  font-size:18px;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow)}
.icon-btn:active{transform:translateY(1px)}
.ph-titles{flex:1;min-width:0}
#now-title{font-family:var(--display);font-weight:700;font-size:19px;line-height:1.1;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#now-author{font-size:12.5px;color:var(--ink-soft);font-weight:600;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* painel de ritmo / metrônomo */
.rhythm{padding:10px 14px 14px;max-width:760px;margin:0 auto}
.beat-row{display:flex;align-items:center;gap:16px;margin-bottom:12px}
.play-btn{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  width:70px;height:70px;border-radius:50%;background:var(--turq);border:none;color:#fff;
  font-family:var(--display);font-weight:700;box-shadow:0 6px 16px rgba(18,165,148,.4);flex:none}
.play-btn.playing{background:var(--danger);box-shadow:0 6px 16px rgba(216,76,62,.4)}
.play-btn .pb-ico{font-size:22px;line-height:1}
.play-btn .pb-label{font-size:12px}

#beat-dots{display:flex;gap:12px;flex:1;align-items:center;position:relative}
#beat-dots::before{content:"";position:absolute;left:2px;right:2px;top:50%;height:2px;
  background:repeating-linear-gradient(90deg,var(--line) 0 7px,transparent 7px 12px)}
.beat-dot{width:22px;height:22px;border-radius:50%;background:var(--paper-card);
  border:2.5px solid var(--line);position:relative;z-index:1;
  transition:transform .05s,background .05s,border-color .05s}
.beat-dot.downbeat{border-color:var(--honey)}
.beat-dot.hit{background:var(--turq);border-color:var(--turq);transform:scale(1.4)}
.beat-dot.downbeat.hit{background:var(--honey);border-color:var(--honey)}

.bpm-box{display:flex;flex-direction:column;align-items:center;flex:none;min-width:78px}
#bpm-value{font-family:var(--display);font-weight:800;font-size:34px;line-height:1;color:var(--tangerine)}
.bpm-unit{font-size:10px;color:var(--ink-soft);letter-spacing:2px;font-weight:700}

.playalong{display:flex;align-items:center;gap:12px;margin:2px 0 12px;padding:10px 14px;
  background:var(--paper-card);border:1.5px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}
.playalong .pa-tag{font-size:11px;font-weight:800;letter-spacing:1px;text-transform:uppercase;color:var(--ink-soft)}
.playalong .pa-now{font-family:var(--display);font-weight:800;font-size:34px;line-height:1;color:var(--tangerine);
  min-width:56px}
.playalong.beat .pa-now{animation:pachg .18s ease}
@keyframes pachg{0%{transform:scale(1.25)}100%{transform:scale(1)}}
.playalong .pa-next{margin-left:auto;font-size:13px;font-weight:700;color:var(--ink-soft)}
.playalong .pa-next b{font-family:var(--display);color:var(--ink);font-size:16px}

.bpm-controls{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.mini-btn{min-width:40px;height:40px;border-radius:12px;background:var(--paper-card);
  border:1.5px solid var(--line);color:var(--ink);font-size:20px;font-weight:700;box-shadow:var(--shadow)}
#bpm-slider,#scroll-speed{accent-color:var(--tangerine)}
#bpm-slider{flex:1}

.rhythm-opts{display:flex;flex-wrap:wrap;gap:9px;align-items:center}
.chip{height:38px;padding:0 14px;border-radius:12px;background:var(--paper-card);
  border:1.5px solid var(--line);color:var(--ink-soft);font-size:13.5px;font-weight:700;
  display:flex;align-items:center;gap:6px}
.chip.on{color:#fff;background:var(--turq);border-color:transparent}
.chip.accent-c.on{background:var(--honey);color:#2b1a0f}
select.chip{appearance:none;padding-right:14px}
.strum{margin-left:auto;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;
  color:var(--tangerine);font-weight:700;letter-spacing:1.5px;background:var(--paper-sink);
  border:1.5px solid var(--line);border-radius:12px;padding:8px 12px}

/* faixa de acordes */
.chord-strip{position:sticky;top:0;z-index:25;display:flex;gap:12px;overflow-x:auto;padding:12px 14px;
  background:var(--paper-sink);border-top:1.5px solid var(--line);border-bottom:1.5px solid var(--line);
  box-shadow:0 4px 12px rgba(74,51,32,.10);scrollbar-width:thin}
.chord-card{flex:none;background:var(--paper-card);border:1.5px solid var(--line);border-radius:12px;padding:6px;box-shadow:var(--shadow)}
.chord-svg{width:82px;height:104px}
.chord-name-svg{fill:var(--tangerine);font-family:var(--display);font-size:12px;font-weight:800}
.chord-line{stroke:#C9B48C;stroke-width:.8}
.chord-nut{fill:var(--ink)}
.chord-dot{fill:var(--tangerine)}
.chord-finger{fill:#fff;font-family:var(--display);font-size:6px;font-weight:800}
.chord-open{fill:none;stroke:var(--ink);stroke-width:.9}
.chord-mark{fill:var(--ink-soft);font-size:8px}
.chord-basefret{fill:var(--ink-soft);font-size:7px}
.chord-unknown{fill:var(--danger);font-size:20px}
.chord-empty{color:var(--ink-soft);font-size:12.5px;padding:8px;font-weight:600}

/* letra / cifra */
.lyrics{padding:16px 16px 42vh;font-size:17px;max-width:760px;margin:0 auto}
.line{margin:0 0 2px}
.line.chorded{display:flex;flex-wrap:wrap;align-items:flex-end;margin-bottom:8px}
.seg{display:inline-flex;flex-direction:column;align-items:flex-start}
.chord{background:none;border:none;padding:0 3px 0 0;color:var(--tangerine);
  font-family:var(--display);font-weight:700;font-size:.82em;line-height:1.2}
.chord[data-chord]{cursor:pointer}
.lyr{white-space:pre-wrap}
.lyric-only{color:var(--ink)}
.line.chordline{margin:0}
.cl{margin:0;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.95em;
  white-space:pre-wrap;line-height:1.4;color:var(--ink)}
.cl .chord{font-family:ui-monospace,monospace;font-size:1em;color:var(--tangerine);font-weight:700}

/* barra inferior */
.bottom-bar{position:fixed;left:0;right:0;bottom:0;z-index:20;display:flex;gap:9px;
  padding:9px 12px;background:var(--paper-card);border-top:1.5px solid var(--line);
  box-shadow:0 -4px 16px rgba(74,51,32,.08);padding-bottom:calc(9px + env(safe-area-inset-bottom));
  max-width:760px;margin:0 auto}
.bottom-bar .grp{display:flex;align-items:center;gap:6px;background:var(--paper-sink);
  border:1.5px solid var(--line);border-radius:13px;padding:4px 8px}
.bottom-bar .grp .lbl{font-size:12px;color:var(--ink-soft);font-weight:700}
.tool-btn{min-width:38px;height:38px;border-radius:10px;background:transparent;border:none;
  color:var(--ink);font-size:17px;font-weight:700}
.tool-btn.on{color:var(--turq)}
#tr-label{font-size:11px;color:var(--ink-soft);min-width:70px;text-align:center;font-weight:700}
.scroll-btn{margin-left:auto;height:46px;padding:0 16px;border-radius:13px;background:var(--paper-sink);
  border:1.5px solid var(--line);color:var(--ink);font-size:13.5px;font-weight:700;white-space:nowrap}
.scroll-btn.on{background:var(--turq);color:#fff;border-color:transparent}
#scroll-speed{width:64px}

.song-audio{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:14px 14px 0;max-width:760px;margin:0 auto}
.song-audio .muted{flex:1;min-width:140px}
.chord-card.playing{border-color:var(--turq);box-shadow:0 0 0 3px rgba(18,165,148,.35)}
.chord-card.playing .chord-dot{fill:var(--turq)}

.version-switch{display:flex;align-items:center;gap:8px;padding:12px 14px 0;max-width:760px;margin:0 auto}
.version-switch .vs-label{font-size:12px;color:var(--ink-soft);font-weight:700;text-transform:uppercase;letter-spacing:1px}
.vchip{height:36px;padding:0 16px;border-radius:999px;background:var(--paper-card);
  border:1.5px solid var(--line);color:var(--ink-soft);font-family:var(--body);font-size:13.5px;font-weight:700}
.vchip.on{background:var(--honey);color:#2b1a0f;border-color:transparent}

.tip{margin:14px 14px;padding:12px 14px;background:var(--paper-card);border:1.5px solid var(--line);
  border-left:5px solid var(--honey);border-radius:12px;font-size:13.5px;color:var(--ink-soft);
  max-width:760px;margin-left:auto;margin-right:auto;box-shadow:var(--shadow)}
.tip b{color:var(--ink);font-family:var(--display);font-weight:700}

/* ============================================================
   MODAIS
   ============================================================ */
.modal{display:none;position:fixed;inset:0;z-index:50;background:rgba(46,33,26,.55);
  align-items:center;justify-content:center;padding:16px}
.modal.active{display:flex}
.modal-inner{background:var(--paper);border:1.5px solid var(--line);border-radius:22px;
  padding:20px;max-width:min(94vw,440px);width:100%;max-height:92vh;overflow:auto;
  box-shadow:0 20px 50px rgba(46,33,26,.35)}
.modal-inner .chord-svg{width:180px;height:230px}
.modal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.modal-head h3{font-size:20px;color:var(--ink)}
.muted{color:var(--ink-soft);font-size:12.5px;font-weight:600}

/* afinador */
.tuner-inner{text-align:center}
.tuner-dial{position:relative;margin:8px auto 12px}
#tuner-note{font-family:var(--display);font-size:52px;font-weight:800;color:var(--tangerine);display:block;line-height:1}
#tuner-hz{color:var(--ink-soft);font-size:13px;font-weight:700}
.dial-arc{position:relative;width:250px;height:135px;margin:10px auto 0;
  border-top-left-radius:250px;border-top-right-radius:250px;
  background:radial-gradient(circle at 50% 100%, transparent 56%, var(--paper-sink) 57%);
  border:2px solid var(--line);border-bottom:none;overflow:hidden}
.tuner-dial.intune .dial-arc{
  background:radial-gradient(circle at 50% 100%, transparent 56%, rgba(18,165,148,.22) 57%);border-color:var(--turq)}
.dial-arc .mk-flat{position:absolute;left:16px;bottom:8px;color:var(--danger);font-size:22px;font-weight:700}
.dial-arc .mk-sharp{position:absolute;right:16px;bottom:8px;color:var(--danger);font-size:22px;font-weight:700}
.needle{position:absolute;left:50%;bottom:0;width:3px;height:122px;background:var(--tangerine);
  transform-origin:bottom center;transition:transform .09s ease-out;border-radius:2px}
.tuner-dial.intune .needle{background:var(--turq)}
.pivot{position:absolute;left:50%;bottom:-8px;width:18px;height:18px;margin-left:-9px;border-radius:50%;
  background:var(--ink);border:3px solid var(--paper)}
.tuner-strings{display:flex;justify-content:center;gap:9px;margin:16px 0}
.uke-string{flex:1;max-width:72px;background:var(--paper-card);border:1.5px solid var(--line);
  border-radius:13px;padding:9px 0;display:flex;flex-direction:column;align-items:center;gap:2px;box-shadow:var(--shadow)}
.uke-string b{font-family:var(--display);font-size:20px;color:var(--ink)}
.uke-string span{font-size:10px;color:var(--ink-soft);font-weight:700}
.uke-string.active{border-color:var(--turq);background:rgba(18,165,148,.12)}
.uke-string.active b{color:var(--turq)}

/* adicionar / editar */
.as-import{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.file-pill{cursor:pointer}
.as-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:12px}
.fld{height:44px;padding:0 14px;border-radius:12px;background:var(--paper-card);
  border:1.5px solid var(--line);color:var(--ink);font-family:var(--body);font-size:15px;min-width:0}
.fld:focus{outline:none;border-color:var(--tangerine)}
.as-lyrics{width:100%;min-height:200px;resize:vertical;padding:14px;border-radius:14px;
  background:var(--paper-card);border:1.5px solid var(--line);color:var(--ink);
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px;line-height:1.6}
.as-lyrics:focus{outline:none;border-color:var(--tangerine)}
.as-actions{display:flex;justify-content:space-between;gap:12px;margin-top:14px}

/* ---------- desktop ---------- */
@media(min-width:720px){
  .hero{padding-top:34px}
  .brand h1{font-size:38px}
  .hero-body{max-width:760px;margin:0 auto}
  .strings{max-width:760px;margin:0 auto}
}

/* acessibilidade: movimento reduzido */
@media(prefers-reduced-motion:reduce){
  *{transition:none!important}
}