/* =========================================================
   Camino 128 — token system
   Color:
     --navy       #16233F  ink / primary text & surfaces
     --navy-deep  #0E1830  darkest surface (audio mode)
     --parchment  #F4EEDE  warm paper background
     --parchment2 #EBE2C9  card surface, slightly deeper
     --gold       #B08A3E  seal / accent / focus
     --gold-soft  #D9C48C  hairlines, secondary accent
     --garnet     #7A2E2E  Spanish-language accent (not red-white-blue red)
   Type:
     display  "Fraunces"      headings, seal numerals — founding-document serif
     body     "Source Serif 4" question/answer text — legible, warm
     utility  "IBM Plex Mono" counters, indices, labels
   ========================================================= */

:root{
  --navy:#16233F;
  --navy-deep:#0E1830;
  --parchment:#F4EEDE;
  --parchment2:#EBE2C9;
  --gold:#B08A3E;
  --gold-soft:#D9C48C;
  --garnet:#7A2E2E;
  --ink:#20263A;
  --ink-soft:#5B5F6E;
  --radius:14px;
  --shadow:0 1px 2px rgba(22,35,63,.06), 0 8px 24px rgba(22,35,63,.08);
  --shadow-lg:0 20px 60px rgba(14,24,48,.35);
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:var(--parchment);
  background-image:
    radial-gradient(circle at 15% 8%, rgba(176,138,62,.07), transparent 40%),
    radial-gradient(circle at 85% 92%, rgba(122,46,46,.06), transparent 45%);
  color:var(--ink);
  font-family:"Source Serif 4", Georgia, serif;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
}
.hidden{display:none !important;}
button{font-family:inherit; cursor:pointer;}
::selection{background:var(--gold-soft);}

/* focus visibility */
button:focus-visible, input:focus-visible{
  outline:2px solid var(--gold);
  outline-offset:2px;
}

/* ================= GATE / PAYWALL ================= */
.gate{
  min-height:100vh;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  padding:64px 24px;
  text-align:center;
}
.gate-seal{
  color:var(--gold);
  margin-bottom:18px;
}
.gate-title{
  font-family:"Fraunces", serif;
  font-weight:600;
  font-size:clamp(2.2rem, 5vw, 3.2rem);
  letter-spacing:-.01em;
  color:var(--navy);
  margin:0 0 12px;
}
.gate-sub{
  max-width:520px;
  color:var(--ink-soft);
  font-size:1.05rem;
  line-height:1.6;
  margin:0 0 40px;
}
.gate-card{
  background:var(--parchment2);
  border:1px solid var(--gold-soft);
  border-radius:var(--radius);
  padding:36px 32px;
  width:100%;
  max-width:380px;
  box-shadow:var(--shadow);
  position:relative;
}
.gate-card::before{
  content:"";
  position:absolute;
  inset:8px;
  border:1px solid rgba(176,138,62,.35);
  border-radius:calc(var(--radius) - 4px);
  pointer-events:none;
}
.gate-price-label{
  font-family:"IBM Plex Mono", monospace;
  font-size:.72rem;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--garnet);
}
.gate-price{
  font-family:"Fraunces", serif;
  font-weight:700;
  font-size:3.4rem;
  color:var(--navy);
  margin:6px 0 20px;
  line-height:1;
}
.gate-price-currency{font-size:1.6rem; vertical-align:top; position:relative; top:.5rem;}
.gate-price-decimal{font-size:1.9rem; color:var(--garnet);}
.gate-price-period{font-family:"Source Serif 4",serif; font-weight:400; font-size:1.1rem; color:var(--ink-soft);}
.gate-features{
  list-style:none;
  padding:0;
  margin:0 0 28px;
  text-align:left;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.gate-features li{
  font-size:.92rem;
  color:var(--ink);
  padding-left:22px;
  position:relative;
}
.gate-features li::before{
  content:"✓";
  position:absolute;
  left:0;
  color:var(--gold);
  font-weight:700;
}
.gate-note{
  font-size:.75rem;
  color:var(--ink-soft);
  margin-top:14px;
}

.btn-primary{
  width:100%;
  background:var(--navy);
  color:var(--parchment);
  border:none;
  border-radius:10px;
  padding:15px 20px;
  font-size:1rem;
  font-weight:600;
  letter-spacing:.01em;
  transition:transform .15s ease, background .15s ease;
}
.btn-primary:hover{background:#1E3054; transform:translateY(-1px);}
.btn-ghost{
  width:100%;
  background:transparent;
  border:1px solid var(--ink-soft);
  color:var(--ink);
  border-radius:10px;
  padding:13px 20px;
  font-size:.92rem;
  margin-top:10px;
}
.btn-ghost:hover{border-color:var(--navy);}

/* ================= APP SHELL ================= */
.app{
  min-height:100vh;
  display:flex;
  flex-direction:column;
  max-width:720px;
  margin:0 auto;
  padding:0 20px 40px;
}
.topbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:22px 0 10px;
}
.brand{display:flex; align-items:baseline; gap:8px;}
.brand-mark{
  font-family:"Fraunces", serif;
  font-weight:700;
  color:var(--gold);
  font-size:1.3rem;
}
.brand-name{
  font-family:"Fraunces", serif;
  font-weight:600;
  color:var(--navy);
  font-size:1.15rem;
}
.progress-pill{
  font-family:"IBM Plex Mono", monospace;
  font-size:.75rem;
  color:var(--navy);
  background:var(--parchment2);
  border:1px solid var(--gold-soft);
  padding:6px 12px;
  border-radius:999px;
}

.modebar{
  display:flex;
  gap:6px;
  background:var(--parchment2);
  padding:5px;
  border-radius:12px;
  margin:14px 0 22px;
  border:1px solid var(--gold-soft);
}
.mode-btn{
  flex:1;
  background:transparent;
  border:none;
  padding:10px 8px;
  font-family:"IBM Plex Mono", monospace;
  font-size:.78rem;
  letter-spacing:.03em;
  color:var(--ink-soft);
  border-radius:8px;
  transition:all .15s ease;
}
.mode-btn.active{
  background:var(--navy);
  color:var(--parchment);
}

/* ================= CARD VIEW ================= */
.deck-meta{
  display:flex;
  justify-content:space-between;
  align-items:center;
  margin-bottom:12px;
  font-family:"IBM Plex Mono", monospace;
  font-size:.75rem;
}
.deck-category{
  color:var(--garnet);
  text-transform:uppercase;
  letter-spacing:.1em;
  border:1px solid var(--garnet);
  padding:3px 9px;
  border-radius:999px;
}
.deck-index{color:var(--ink-soft);}

.stage{
  display:flex;
  align-items:center;
  gap:10px;
}
.nav-arrow{
  flex:0 0 auto;
  width:40px; height:40px;
  border-radius:50%;
  border:1px solid var(--gold-soft);
  background:var(--parchment2);
  color:var(--navy);
  font-size:1.4rem;
  line-height:1;
  display:flex; align-items:center; justify-content:center;
}
.nav-arrow:hover{background:var(--gold-soft);}

.flashcard{
  flex:1;
  perspective:1600px;
  height:420px;
  cursor:pointer;
}
.flashcard-inner{
  position:relative;
  width:100%; height:100%;
  transform-style:preserve-3d;
  transition:transform .55s cubic-bezier(.4,.2,.2,1);
}
.flashcard.flipped .flashcard-inner{
  transform:rotateY(180deg);
}
.flashcard-face{
  position:absolute;
  inset:0;
  backface-visibility:hidden;
  border-radius:18px;
  padding:34px 28px 24px;
  display:flex;
  flex-direction:column;
  box-shadow:var(--shadow);
  border:1px solid var(--gold-soft);
  overflow-y:auto;
  -webkit-overflow-scrolling:touch;
}
.face-front{
  background:var(--parchment2);
  background-image:radial-gradient(circle at 90% 10%, rgba(176,138,62,.12), transparent 50%);
}
.face-back{
  background:var(--parchment2);
  background-image:radial-gradient(circle at 90% 10%, rgba(176,138,62,.12), transparent 50%);
  color:var(--navy);
  transform:rotateY(180deg);
  border-color:var(--gold-soft);
}
.face-hint{
  font-family:"IBM Plex Mono", monospace;
  font-size:.68rem;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--ink-soft);
  margin-bottom:18px;
}
.face-back .face-hint{color:var(--ink-soft);}
.front-en, .back-en{
  font-family:"Fraunces", serif;
  font-weight:500;
  font-size:1.5rem;
  line-height:1.3;
  color:var(--navy);
  margin:0 0 14px;
  flex-shrink:0;
}
.back-en{color:var(--navy);}
.front-es, .back-es{
  font-size:1.05rem;
  line-height:1.55;
  color:var(--ink-soft);
  margin:0;
  padding-top:14px;
  border-top:1px dashed var(--gold-soft);
  flex-shrink:0;
}
.back-es{color:var(--ink-soft); border-top-color:rgba(217,196,140,.3);}
.audio-row{
  margin-top:auto;
  padding-top:18px;
  display:flex;
  justify-content:flex-start;
  flex-wrap:wrap;
  gap:10px;
}
.audio-btn{
  display:flex; align-items:center; gap:6px;
  background:var(--navy);
  color:var(--parchment);
  border:none;
  padding:9px 14px;
  border-radius:999px;
  font-family:"IBM Plex Mono", monospace;
  font-size:.72rem;
  letter-spacing:.03em;
}
.audio-btn-es{background:var(--garnet);}
.face-back .audio-btn{background:var(--navy); color:var(--parchment);}
.face-back .audio-btn-es{background:var(--garnet); color:var(--parchment);}
.audio-btn:hover{filter:brightness(1.1);}
.audio-btn.speaking{filter:brightness(1.25); box-shadow:0 0 0 3px rgba(176,138,62,.35);}

.deck-controls{
  display:flex;
  gap:10px;
  margin-top:18px;
}
.btn-outline{
  flex:1;
  display:flex; align-items:center; justify-content:center; gap:8px;
  background:transparent;
  border:1px solid var(--navy);
  color:var(--navy);
  padding:12px 14px;
  border-radius:10px;
  font-size:.85rem;
  font-weight:600;
}
.btn-outline:hover{background:var(--navy); color:var(--parchment);}
.btn-outline.mastered{background:var(--gold); border-color:var(--gold); color:var(--navy-deep);}

/* ================= AUDIO MODE ================= */
.audio-view{
  flex:1;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  background:var(--navy-deep);
  border-radius:20px;
  padding:48px 28px;
  min-height:520px;
  color:var(--parchment);
  box-shadow:var(--shadow-lg);
}
.audio-stage{text-align:center; max-width:480px;}
.audio-seal{
  position:relative;
  color:var(--gold-soft);
  margin:0 auto 20px;
  width:88px; height:88px;
}
#audioSealProgress{color:var(--gold); transition:stroke-dashoffset .3s linear;}
.audio-seal span{
  position:absolute; inset:0;
  display:flex; align-items:center; justify-content:center;
  font-family:"Fraunces", serif;
  font-weight:600;
  font-size:1.6rem;
}
.audio-stage-label{
  font-family:"IBM Plex Mono", monospace;
  font-size:.75rem;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--gold-soft);
  margin:0 0 14px;
}
.audio-text{
  font-family:"Fraunces", serif;
  font-weight:500;
  font-size:1.7rem;
  line-height:1.4;
  margin:0;
  min-height:5.5rem;
}
.audio-counter{
  font-family:"IBM Plex Mono", monospace;
  font-size:.8rem;
  color:rgba(244,238,222,.55);
  margin-top:20px;
}
.audio-controls{
  display:flex; align-items:center; gap:22px;
  margin-top:42px;
}
.audio-ctrl{
  background:transparent;
  border:1px solid rgba(217,196,140,.4);
  color:var(--parchment);
  width:48px; height:48px;
  border-radius:50%;
  display:flex; align-items:center; justify-content:center;
}
.audio-ctrl-main{
  width:66px; height:66px;
  background:var(--gold);
  color:var(--navy-deep);
  border:none;
}
.audio-ctrl:hover{border-color:var(--gold);}
.audio-ctrl-main:hover{filter:brightness(1.08);}
.audio-speed{
  margin-top:30px;
  display:flex; align-items:center; gap:10px;
  font-family:"IBM Plex Mono", monospace;
  font-size:.72rem;
  color:rgba(244,238,222,.6);
}
.audio-speed input{accent-color:var(--gold);}

/* ================= LIST VIEW ================= */
.search-input{
  width:100%;
  padding:13px 16px;
  border-radius:10px;
  border:1px solid var(--gold-soft);
  background:var(--parchment2);
  font-family:"Source Serif 4", serif;
  font-size:.95rem;
  color:var(--ink);
  margin-bottom:16px;
}
.list-container{
  display:flex;
  flex-direction:column;
  gap:2px;
}
.list-row{
  display:grid;
  grid-template-columns:36px 1fr auto;
  align-items:center;
  gap:14px;
  padding:14px 12px;
  border-bottom:1px solid var(--gold-soft);
  cursor:pointer;
}
.list-row:hover{background:var(--parchment2);}
.list-num{
  font-family:"IBM Plex Mono", monospace;
  font-size:.78rem;
  color:var(--gold);
}
.list-q{font-size:.92rem; color:var(--ink);}
.list-q small{display:block; color:var(--ink-soft); font-size:.8rem; margin-top:2px;}
.list-check{color:var(--gold); font-size:1.1rem;}

/* ================= RESPONSIVE ================= */
@media (max-width:560px){
  .flashcard{height:380px;}
  .front-en, .back-en{font-size:1.25rem;}
  .nav-arrow{width:34px; height:34px; font-size:1.2rem;}
  .stage{gap:6px;}
  .flashcard-face{padding:26px 20px 20px;}
  .audio-text{font-size:1.35rem;}
  .brand-name{font-size:.78rem; white-space:nowrap;}
  .topbar{padding:16px 0 8px;}
}