/* Palette/fonts sourced from zack-finance's Freelance dark theme (.fl-dark in styles.css) */
:root{
  --fbg:#231c14;
  --fcard:#39332c;
  --fborder:#4b453e;
  --ftext:#f0e6d8;
  --fmuted:#9c9995;
  --burnt:#9c4a2a;
  --burnt-lt:#c87a4e;
  --green:#22c55e;
  --red:#dc2626;
  --mono:'Inconsolata',monospace;
  --sans:'Inter','Karla',-apple-system,BlinkMacSystemFont,sans-serif;
}

*{box-sizing:border-box;}

body{
  margin:0;
  min-height:100vh;
  background:var(--fbg);
  font-family:var(--sans);
  color:var(--ftext);
  display:flex;
  flex-direction:column;
  align-items:center;
  padding:20px 16px 12px;
}

.app-header{
  width:100%;
  max-width:380px;
  display:flex;
  justify-content:space-between;
  align-items:baseline;
  margin-bottom:14px;
}
.division{
  font-size:13px;
  letter-spacing:0.02em;
  color:var(--burnt-lt);
  font-family:var(--sans);
  font-weight:500;
}
.stats{
  display:flex;
  align-items:center;
  gap:10px;
  font-family:var(--mono);
}
.lucide{ width:20px; height:20px; stroke:currentColor; stroke-width:2; fill:none; stroke-linecap:round; stroke-linejoin:round; display:block; }
.streak{ display:flex; align-items:center; gap:5px; font-size:13px; color:var(--burnt-lt); }
.streak .lucide{ width:16px; height:16px; }

.ring-wrap{ position:relative; width:40px; height:40px; flex-shrink:0; }
.ring-svg{ transform:rotate(-90deg); }
.ring-bg{ fill:none; stroke:var(--fcard); stroke-width:4; }
.ring-fill{ fill:none; stroke:var(--burnt-lt); stroke-width:4; stroke-linecap:round; transition:stroke-dashoffset 0.4s; }
.ring-text{ position:absolute; inset:0; display:flex; align-items:center; justify-content:center; font-size:9px; font-weight:700; color:var(--ftext); }

#app-main{
  width:100%;
  max-width:380px;
  flex:1;
  display:flex;
  flex-direction:column;
  align-items:center;
}

.app-footer{
  width:100%;
  max-width:380px;
  text-align:center;
  font-family:var(--mono);
  font-size:10px;
  color:var(--fmuted);
  padding-top:18px;
  opacity:0.6;
}

/* Goal picker */
.goal-row{
  width:100%;
  display:flex; gap:6px;
  margin-bottom:16px;
  font-family:var(--sans);
  font-size:13px;
}
.goal-chip{
  flex:1;
  text-align:center;
  padding:10px 0;
  border-radius:10px;
  border:1px solid var(--fborder);
  background:var(--fcard);
  color:var(--fmuted);
  cursor:pointer;
}
.goal-chip:active{ border-color:var(--burnt-lt); }

.xp-row{
  width:100%;
  display:flex; align-items:center; gap:8px;
  margin-bottom:14px;
  font-family:var(--mono);
}
.xp-bar{ flex:1; height:5px; border-radius:3px; background:var(--fcard); overflow:hidden; }
.xp-fill{ height:100%; background:var(--burnt-lt); border-radius:3px; transition:width 0.3s; }
.xp-label{ font-size:10px; color:var(--fmuted); white-space:nowrap; }

/* Card */
.card{
  width:100%;
  min-height:340px;
  background:var(--fcard);
  border:1px solid var(--fborder);
  color:var(--ftext);
  border-radius:14px;
  box-shadow:0 12px 30px rgba(0,0,0,0.35);
  padding:24px 20px;
  display:flex;
  flex-direction:column;
  transition:border-color 0.25s;
}
.card.correct-flash{ animation:cardPulse 0.6s ease; }
@keyframes cardPulse{
  0%{ transform:scale(1); box-shadow:0 12px 30px rgba(0,0,0,0.35); }
  35%{ transform:scale(1.015); box-shadow:0 12px 30px rgba(0,0,0,0.35), 0 0 0 3px rgba(34,197,94,0.35); }
  100%{ transform:scale(1); box-shadow:0 12px 30px rgba(0,0,0,0.35); }
}
.card.wrong-flash{ animation:cardShake 0.4s ease; }
@keyframes cardShake{
  0%,100%{ transform:translateX(0); }
  25%{ transform:translateX(-6px); }
  75%{ transform:translateX(6px); }
}
.type-tag{
  font-family:var(--mono);
  font-size:10px;
  letter-spacing:0.03em;
  color:var(--burnt-lt);
  border:1px solid var(--burnt-lt);
  border-radius:6px;
  padding:2px 7px;
  align-self:flex-start;
  margin-bottom:12px;
}
.card-question{ font-size:17px; line-height:1.4; margin-bottom:16px; }

.options{ display:flex; flex-direction:column; gap:8px; }
.opt{
  text-align:left;
  padding:11px 14px;
  border:1px solid var(--fborder);
  border-radius:10px;
  background:var(--fbg);
  font-family:var(--sans);
  font-size:14px;
  color:var(--ftext);
  cursor:pointer;
  display:flex; align-items:center; gap:10px;
}
.opt .box{ width:14px; height:14px; border:1.5px solid var(--fmuted); flex-shrink:0; }
.opt.circle .box{ border-radius:50%; }
.opt.square .box{ border-radius:4px; }
.opt.selected .box{ background:var(--burnt-lt); border-color:var(--burnt-lt); }
.opt.correct{ border-color:var(--green); background:rgba(34,197,94,0.12); }
.opt.correct .box{ background:var(--green); border-color:var(--green); }
.opt.wrong{ border-color:var(--red); background:rgba(220,38,38,0.1); opacity:1; }
.opt.wrong .box{ background:var(--red); border-color:var(--red); }
.opt .result-icon{ margin-left:auto; width:16px; height:16px; flex-shrink:0; }
.opt.correct .result-icon{ stroke:var(--green); }
.opt.wrong .result-icon{ stroke:var(--red); }
.opt:disabled{ cursor:default; }

.hotspot-img{
  position:relative; margin-top:10px;
  border:1px solid var(--fborder); border-radius:10px;
  height:150px;
  background:
    repeating-linear-gradient(0deg, transparent, transparent 18px, rgba(240,230,216,0.04) 18px, rgba(240,230,216,0.04) 19px),
    repeating-linear-gradient(90deg, transparent, transparent 18px, rgba(240,230,216,0.04) 18px, rgba(240,230,216,0.04) 19px);
  background-color:var(--fbg);
  cursor:pointer;
}
.hotspot-zone{
  position:absolute; width:34px; height:34px;
  transform:translate(-50%, -50%);
  border:2px dashed var(--burnt-lt); border-radius:50%;
}
.hotspot-zone.hit{ border-color:var(--green); background:rgba(34,197,94,0.15); }
.hotspot-zone.miss{ border-color:var(--red); background:rgba(220,38,38,0.1); }

.answer-box{
  margin-top:16px;
  padding-top:16px;
  border-top:1px solid var(--fborder);
  font-family:var(--sans);
  font-size:13px;
  line-height:1.5;
  color:var(--fmuted);
}
.answer-box b{ color:var(--ftext); }

.learn-more-btn{
  margin-top:10px;
  background:none;
  border:none;
  padding:0;
  font-family:var(--sans);
  font-size:12px;
  color:var(--burnt-lt);
  text-decoration:underline;
  cursor:pointer;
}
.deep-explanation{
  margin-top:10px;
  padding-top:10px;
  border-top:1px dashed var(--fborder);
  font-size:13px;
  line-height:1.5;
  color:var(--ftext);
  display:none;
}
.deep-explanation.open{ display:block; }

.confidence-row{
  margin-top:14px;
  font-family:var(--sans);
}
.confidence-label{ font-size:11px; color:var(--fmuted); margin-bottom:6px; }
.confidence-btns{ display:flex; gap:6px; }
.conf-btn{
  flex:1;
  padding:8px 0;
  border-radius:8px;
  border:1px solid var(--fborder);
  background:var(--fbg);
  font-size:12px;
  color:var(--ftext);
  cursor:pointer;
}
.conf-btn.chosen{ background:var(--burnt-lt); color:#1c1610; border-color:var(--burnt-lt); font-weight:600; }

.recycled-badge{
  font-family:var(--mono);
  font-size:10px;
  color:var(--red);
  border:1px solid var(--red);
  border-radius:6px;
  padding:2px 7px;
}
.card-badges{ display:flex; gap:6px; align-items:center; margin-bottom:12px; }

.controls{
  width:100%;
  display:flex; gap:10px;
  margin-top:14px;
}
.btn{
  flex:1; padding:13px 0;
  border-radius:10px;
  border:1px solid var(--fborder);
  background:var(--fcard);
  color:var(--ftext);
  font-family:var(--sans);
  font-size:14px;
  cursor:pointer;
}
.btn:disabled{ opacity:0.35; cursor:default; }
.btn.primary{ background:var(--burnt-lt); border-color:var(--burnt-lt); color:#1c1610; font-weight:600; }

.toast{
  width:100%; text-align:center;
  font-family:var(--mono); font-size:12px; color:var(--burnt-lt);
  height:16px; margin-top:8px;
  opacity:0; transition:opacity 0.3s;
}

.session-done{
  font-family:var(--sans);
  text-align:center;
  padding:40px 0;
}
.session-done .big-icon{ width:48px; height:48px; margin-bottom:8px; color:var(--burnt-lt); }

.settings-btn{
  background:none;
  border:1px solid var(--fborder);
  color:var(--fmuted);
  border-radius:8px;
  width:30px; height:30px;
  display:flex; align-items:center; justify-content:center;
  flex-shrink:0;
  cursor:pointer;
}

.card-topic{
  font-family:var(--mono);
  font-size:10px;
  color:var(--fmuted);
  text-transform:uppercase;
  letter-spacing:0.06em;
  margin-bottom:6px;
}

.freq-btn{
  margin-top:14px;
  width:100%;
  background:none;
  border:1px dashed var(--fborder);
  border-radius:8px;
  padding:8px 0;
  font-family:var(--sans);
  font-size:11px;
  color:var(--fmuted);
  cursor:pointer;
}
.freq-btn:disabled{ opacity:0.5; cursor:default; }

.vocab-section{ margin-top:14px; padding-top:14px; border-top:1px solid var(--fborder); }
.vocab-label{ font-family:var(--mono); font-size:10px; color:var(--fmuted); text-transform:uppercase; letter-spacing:0.06em; margin-bottom:8px; }
.vocab-chips{ display:flex; flex-wrap:wrap; gap:6px; }
.vocab-chip{
  background:var(--fbg);
  border:1px solid var(--burnt-lt);
  color:var(--burnt-lt);
  border-radius:20px;
  padding:5px 12px;
  font-size:12px;
  font-family:var(--sans);
  cursor:pointer;
}
.term-panel{
  display:none;
  margin-top:10px;
  padding:10px 12px;
  background:var(--fbg);
  border:1px solid var(--fborder);
  border-radius:8px;
  font-size:13px;
}
.term-panel.open{ display:block; }
.term-def{ margin-bottom:8px; }

.ask-box{ display:flex; gap:6px; margin-top:10px; }
.ask-input{
  flex:1;
  background:var(--fbg);
  border:1px solid var(--fborder);
  border-radius:8px;
  padding:8px 10px;
  font-family:var(--sans);
  font-size:13px;
  color:var(--ftext);
}
.ask-btn{
  background:var(--burnt-lt);
  border:none;
  border-radius:8px;
  padding:8px 14px;
  font-size:13px;
  font-weight:600;
  color:#1c1610;
  cursor:pointer;
}
.ask-btn:disabled{ opacity:0.5; }
.ask-answer{
  display:none;
  margin-top:8px;
  font-size:13px;
  line-height:1.5;
  color:var(--ftext);
}

.modal-overlay{
  position:fixed; inset:0;
  background:rgba(0,0,0,0.6);
  display:flex; align-items:center; justify-content:center;
  z-index:200;
  padding:20px;
}
.modal-panel{
  background:var(--fcard);
  border:1px solid var(--fborder);
  border-radius:14px;
  padding:20px;
  width:100%;
  max-width:340px;
}
.modal-title{ font-size:16px; font-weight:600; margin-bottom:16px; }
.settings-field{ margin-bottom:14px; }
.settings-field label{
  display:block;
  font-family:var(--mono);
  font-size:10px;
  color:var(--fmuted);
  text-transform:uppercase;
  letter-spacing:0.04em;
  margin-bottom:6px;
}
.settings-field input, .settings-field select{
  width:100%;
  background:var(--fbg);
  border:1px solid var(--fborder);
  border-radius:8px;
  padding:9px 10px;
  color:var(--ftext);
  font-family:var(--sans);
  font-size:14px;
}
.goal-chip.default{ border-color:var(--burnt-lt); }

.diag-link{
  width:100%;
  background:none;
  border:1px dashed var(--fborder);
  border-radius:10px;
  padding:10px;
  font-family:var(--sans);
  font-size:11px;
  line-height:1.4;
  color:var(--fmuted);
  cursor:pointer;
}