/* ============================================================
   style.css - Base / desktop styles for the Hygiene Trainer.
   Mobile-specific overrides live in mobile.css, loaded on top
   of this file only when the viewport is 640px wide or less.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,500;9..144,700&family=Inter:wght@400;500;600;700&display=swap');

:root{
  --cream: #FAF6EE;
  --teal: #1F4B4A;
  --teal-deep: #163837;
  --mustard: #D9A441;
  --coral: #C15B4A;
  --sage: #5E8C68;
  --ink: #2B2B26;
  --paper: #FFFFFF;
  --line: #E4DCC9;
  --muted: #8A8272;
}

*{ box-sizing: border-box; }

html, body{
  margin: 0;
  padding: 0;
}

body{
  background: var(--cream);
  color: var(--ink);
  font-family: 'Inter', sans-serif;
  min-height: 100vh;
}

.wrap{
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 20px 60px;
}

/* ---------- Header ---------- */

header{
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

h1{
  font-family: 'Fraunces', serif;
  font-weight: 700;
  font-size: 30px;
  margin: 0;
  color: var(--teal-deep);
  letter-spacing: -0.01em;
}

.subtitle{
  font-size: 14px;
  color: var(--muted);
  margin-top: 6px;
}

.streak-box{
  background: var(--teal-deep);
  color: var(--cream);
  border-radius: 14px;
  padding: 10px 18px;
  text-align: center;
  min-width: 96px;
}

.streak-num{
  font-family: 'Fraunces', serif;
  font-size: 24px;
  font-weight: 700;
  display: block;
  line-height: 1;
}

.streak-label{
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .06em;
  opacity: .75;
}

/* ---------- Generic screens ---------- */

.screen.hidden{ display: none; }

.section-title{
  font-family: 'Fraunces', serif;
  font-size: 20px;
  color: var(--teal-deep);
  margin: 0 0 14px;
}

/* ---------- Category selection ---------- */

.category-grid{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 22px;
}

.loading-text{
  color: var(--muted);
  font-size: 14px;
  grid-column: 1 / -1;
}

.category-btn{
  border: 1.5px solid var(--line);
  background: var(--paper);
  border-radius: 12px;
  padding: 14px 14px;
  text-align: left;
  cursor: pointer;
  transition: transform .12s ease, border-color .12s ease, background .12s ease;
  font-family: 'Inter', sans-serif;
}

.category-btn:hover{
  transform: translateY(-2px);
  border-color: var(--teal);
}

.category-btn.active{
  border-color: var(--teal);
  background: #EFF5F0;
}

.category-btn .cat-name{
  display: block;
  font-weight: 700;
  font-size: 14px;
  color: var(--ink);
  margin-bottom: 2px;
}

.category-btn .cat-count{
  font-size: 12px;
  color: var(--muted);
}

.settings-row{
  display: flex;
  gap: 16px;
  margin-bottom: 22px;
  flex-wrap: wrap;
}

.setting{
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 12px;
  color: var(--muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
  flex: 1;
  min-width: 160px;
}

.setting select{
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  padding: 10px 12px;
  border-radius: 10px;
  border: 1.5px solid var(--line);
  background: var(--paper);
}

/* ---------- Buttons ---------- */

.primary-btn{
  width: 100%;
  background: var(--teal-deep);
  color: var(--cream);
  border: none;
  border-radius: 10px;
  padding: 15px;
  font-size: 15px;
  font-weight: 700;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  transition: background .12s ease;
}

.primary-btn:hover:not(:disabled){
  background: var(--teal);
}

.primary-btn:disabled{
  background: #C9C2B2;
  cursor: not-allowed;
}

.text-btn{
  display: block;
  margin: 14px auto 0;
  background: none;
  border: none;
  color: var(--muted);
  font-size: 13px;
  text-decoration: underline;
  cursor: pointer;
  font-family: 'Inter', sans-serif;
}

/* ---------- Quiz card ---------- */

.progress-row{
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 14px;
}

#categoryBadge{
  background: var(--mustard);
  color: var(--teal-deep);
  padding: 2px 10px;
  border-radius: 20px;
  font-weight: 700;
}

.card{
  background: var(--paper);
  border-radius: 18px;
  padding: 28px 26px;
  border: 1.5px solid var(--line);
}

.statement{
  font-size: 19px;
  line-height: 1.5;
  margin: 4px 0 24px;
  color: var(--ink);
}

.choices{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.choice-btn{
  border: 2px solid var(--line);
  background: var(--cream);
  border-radius: 12px;
  padding: 16px 10px;
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  color: var(--ink);
  transition: background .12s ease, border-color .12s ease, transform .08s ease;
}

.choice-btn:hover:not(:disabled){
  transform: translateY(-1px);
}

.choice-btn:disabled{
  cursor: default;
}

.choice-btn.correct{
  background: #E3EFE4;
  border-color: var(--sage);
  color: #2F5138;
}

.choice-btn.wrong{
  background: #F5E3DF;
  border-color: var(--coral);
  color: #7A3226;
}

/* ---------- Feedback (the "why" explanation) ---------- */

.feedback{
  margin-top: 18px;
  padding: 16px 18px;
  border-radius: 10px;
  font-size: 14px;
  line-height: 1.55;
  display: none;
}

.feedback.show{ display: block; }

.feedback.correct-fb{ background: #E3EFE4; color: #2F5138; }
.feedback.wrong-fb{ background: #F5E3DF; color: #7A3226; }

.feedback strong{
  display: block;
  margin-bottom: 4px;
  font-family: 'Fraunces', serif;
  font-size: 15px;
}

.next-btn{
  margin-top: 20px;
  width: 100%;
  background: var(--teal-deep);
  color: var(--cream);
  border: none;
  border-radius: 10px;
  padding: 14px;
  font-size: 15px;
  font-weight: 700;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  display: none;
}

.next-btn.show{ display: block; }
.next-btn:hover{ background: var(--teal); }

/* ---------- Result screen ---------- */

.result-card{
  text-align: center;
}

.score{
  font-family: 'Fraunces', serif;
  font-size: 48px;
  font-weight: 700;
  color: var(--teal-deep);
  margin: 8px 0 4px;
}

.result-msg{
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 20px;
}

footer{
  text-align: center;
  font-size: 11px;
  color: #A79E8C;
  margin-top: 30px;
}