/* ---------- Shared module chrome ---------- */
.module-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px;}
.module-tabs button{
  background:var(--paper);border:1px solid var(--line);border-radius:999px;
  padding:8px 16px;font-size:12.5px;font-weight:600;color:var(--ink-soft);cursor:pointer;
  font-family:'Baloo 2','Noto Sans Bengali',sans-serif;transition:all .15s ease;
}
.module-tabs button:hover{border-color:var(--purple);}
.module-tabs button.active{background:var(--purple-deep);border-color:var(--purple-deep);color:#fff;}

.stat-strip{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:12px;margin-bottom:22px;}
.stat-strip .stat{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:14px 16px;text-align:center;}
.stat-strip .stat b{display:block;font-size:22px;font-family:'Baloo 2',sans-serif;color:var(--purple-deep);}
.stat-strip .stat span{font-size:11.5px;color:var(--ink-soft);}

/* ---------- Shared "premium card" hover + accent bar ---------- */
.vocab-card,.topic-card,.library-card,.coach-panel,.stat-strip .stat,.badge{
  position:relative;overflow:hidden;
  transition:transform .2s cubic-bezier(.2,.7,.2,1), box-shadow .2s ease;
}
.vocab-card::before,.topic-card::before,.library-card::before,.coach-panel::before,.stat-strip .stat::before,.badge::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--pink),var(--purple));
  opacity:0;transition:opacity .2s ease;
}
.vocab-card:hover,.library-card:hover,.stat-strip .stat:hover,.badge:not(.locked):hover{
  transform:translateY(-3px);
  box-shadow:0 18px 32px -20px rgba(43,36,56,0.28);
}
.vocab-card:hover::before,.topic-card:hover::before,.library-card:hover::before,.stat-strip .stat:hover::before,.badge:not(.locked):hover::before{opacity:1;}

/* ---------- Vocabulary ---------- */
.vocab-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;}
.vocab-card{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:18px 20px;}
.vocab-card .vc-head{display:flex;align-items:baseline;justify-content:space-between;gap:8px;margin-bottom:8px;}
.vocab-card .vc-word{font-family:'Baloo 2',sans-serif;font-size:19px;font-weight:800;color:var(--ink);}
.vocab-card .vc-diff{font-size:10px;font-weight:700;padding:3px 8px;border-radius:999px;background:var(--lavender-soft);color:var(--purple-deep);}
.vocab-card .vc-meaning{font-size:14px;line-height:1.65;margin-bottom:10px;}
.vocab-card .vc-row{font-size:12.5px;color:var(--ink-soft);line-height:1.6;margin-bottom:6px;}
.vocab-card .vc-row b{color:var(--ink);}
.vocab-card .vc-example{font-style:italic;font-size:12.5px;color:var(--teal-deep);background:var(--teal-bg);padding:8px 10px;border-radius:8px;margin:8px 0;}
.vocab-card .vc-mastery{display:flex;gap:6px;margin-top:12px;}
.vocab-card .vc-mastery button{
  flex:1;padding:7px 10px;border-radius:8px;border:1px solid var(--line);background:var(--cream);
  font-size:11.5px;font-weight:600;cursor:pointer;color:var(--ink-soft);transition:all .15s ease;
}
.vocab-card .vc-mastery button.active{background:var(--purple-deep);border-color:var(--purple-deep);color:#fff;}

.coach-panel{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:20px;margin-bottom:22px;}
.coach-panel h3{margin:0 0 6px;font-size:15.5px;display:flex;align-items:center;gap:8px;}
.coach-chips{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0;}
.coach-chips button{
  background:var(--gold-bg);color:var(--gold);border:none;border-radius:999px;
  padding:6px 14px;font-size:12px;font-weight:700;cursor:pointer;
}
.coach-result{margin-top:14px;}
.coach-suggestion{border:1px solid var(--line);border-radius:10px;padding:10px 14px;margin-bottom:8px;font-size:13.5px;}
.coach-suggestion b{color:var(--purple-deep);}
.coach-suggestion .cs-usage{font-size:12.5px;color:var(--ink-soft);margin-top:3px;}

/* ---------- Grammar ---------- */
.topic-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;}
.topic-card{
  background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:18px 20px;
  cursor:pointer;transition:transform .2s ease, box-shadow .2s ease;
}
.topic-card:hover{transform:translateY(-3px);box-shadow:0 16px 28px -18px rgba(43,36,56,0.3);}
.topic-card h4{margin:0 0 6px;font-size:15.5px;}
.topic-card p{margin:0;font-size:12.5px;color:var(--ink-soft);line-height:1.6;}
.topic-card .tc-status{display:inline-flex;margin-top:10px;font-size:11px;font-weight:700;padding:3px 10px;border-radius:999px;}
.tc-status.done{background:var(--green-bg);color:var(--green);}
.tc-status.todo{background:var(--lavender-soft);color:var(--purple-deep);}

.lesson-body{
  background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:24px;
  white-space:pre-line;line-height:1.85;font-size:14.5px;margin-bottom:22px;
}

.exercise-card{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:16px 18px;margin-bottom:12px;}
.exercise-card .ex-q{font-size:14px;margin:0 0 12px;line-height:1.6;}
.exercise-card.correct{border-left:4px solid var(--green);}
.exercise-card.incorrect{border-left:4px solid var(--danger);}
.exercise-card .ex-feedback{font-size:12.5px;margin-top:10px;padding:8px 10px;border-radius:8px;background:var(--teal-bg);color:var(--teal-deep);}

/* ---------- Library ---------- */
.library-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px;}
.library-card{
  background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:20px;
  display:flex;flex-direction:column;gap:8px;transition:transform .2s ease, box-shadow .2s ease;
}
.library-card:hover{transform:translateY(-3px);box-shadow:0 16px 28px -18px rgba(43,36,56,0.3);}
.library-card .lc-cat{font-size:10.5px;font-weight:700;color:var(--purple-deep);background:var(--lavender-soft);padding:3px 10px;border-radius:999px;align-self:flex-start;}
.library-card h4{margin:0;font-size:15px;}
.library-card p{margin:0;font-size:12.5px;color:var(--ink-soft);line-height:1.6;flex:1;}

.reader{
  background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:32px;
  max-width:760px;margin:0 auto;line-height:1.9;font-size:15px;
}
.reader h1{font-size:24px;margin:0 0 6px;}
.reader h2{font-size:18px;margin:28px 0 10px;color:var(--purple-deep);}
.reader p{margin:0 0 14px;}
.reader ul,.reader ol{margin:0 0 14px;padding-left:22px;}
.reader li{margin-bottom:6px;}
.reader .reader-meta{font-size:12.5px;color:var(--ink-soft);margin-bottom:24px;padding-bottom:16px;border-bottom:1px solid var(--line);}

/* ---------- Daily Challenge ---------- */
.challenge-progress{display:flex;align-items:center;gap:14px;margin-bottom:20px;}
.challenge-ring{
  width:64px;height:64px;border-radius:50%;flex:none;
  display:flex;align-items:center;justify-content:center;
  font-family:'Baloo 2',sans-serif;font-weight:800;font-size:15px;color:var(--purple-deep);
  background:var(--lavender-soft);border:3px solid var(--purple);
}
.streak-badge{
  display:inline-flex;align-items:center;gap:6px;background:var(--gold-bg);color:var(--gold);
  padding:6px 14px;border-radius:999px;font-size:13px;font-weight:700;
}

.challenge-item{
  display:flex;align-items:center;gap:14px;background:var(--paper);border:1px solid var(--line);
  border-radius:14px;padding:14px 18px;margin-bottom:10px;
}
.challenge-item .ci-check{
  width:26px;height:26px;border-radius:50%;flex:none;border:2px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:13px;color:transparent;
}
.challenge-item.done .ci-check{background:var(--green);border-color:var(--green);color:#fff;}
.challenge-item.locked{opacity:0.6;}
.challenge-item .ci-body{flex:1;}
.challenge-item .ci-label{font-size:14px;font-weight:600;}
.challenge-item .ci-note{font-size:12px;color:var(--ink-soft);margin-top:2px;}
.challenge-item .btn{width:auto;padding:8px 16px;font-size:12.5px;}

/* ---------- Progress / Band Journey ---------- */
.journey{display:flex;flex-direction:column;gap:0;margin:8px 0 24px;}
.journey-step{display:flex;align-items:center;gap:14px;padding:8px 0;}
.journey-dot{
  width:14px;height:14px;border-radius:50%;flex:none;background:var(--line);
  box-shadow:0 0 0 4px var(--cream);
}
.journey-step.passed .journey-dot{background:var(--purple);}
.journey-step.current .journey-dot{background:var(--pink);width:20px;height:20px;box-shadow:0 0 0 5px rgba(214,117,135,0.25);}
.journey-step.target .journey-dot{background:var(--green);}
.journey-step .journey-band{font-family:'Baloo 2',sans-serif;font-weight:800;font-size:16px;min-width:38px;}
.journey-step .journey-tag{font-size:11.5px;font-weight:700;padding:3px 10px;border-radius:999px;}
.journey-step.current .journey-tag{background:var(--lavender);color:var(--purple-deep);}
.journey-step.target .journey-tag{background:var(--green-bg);color:var(--green);}
.journey-line{width:2px;height:14px;background:var(--line);margin-left:6px;}

.badge-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;}
.badge{
  background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:14px;text-align:center;
}
.badge.locked{opacity:0.45;}
.badge .badge-icon{
  width:40px;height:40px;border-radius:12px;margin:0 auto 8px;
  display:flex;align-items:center;justify-content:center;font-size:18px;
  background:linear-gradient(145deg,var(--purple),var(--purple-deep));color:#fff;
}
.badge.locked .badge-icon{background:var(--line);color:var(--ink-soft);}
.badge b{display:block;font-size:12.5px;margin-bottom:2px;}
.badge span{font-size:10.5px;color:var(--ink-soft);line-height:1.4;}

/* ---------- Help & Support ---------- */
.support-channels{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin-bottom:8px;}
.support-channel{
  display:flex;flex-direction:column;gap:2px;padding:16px 18px;border-radius:14px;
  border:1px solid var(--line);background:var(--paper);transition:transform .2s ease, box-shadow .2s ease;
}
.support-channel:hover{transform:translateY(-3px);box-shadow:0 16px 28px -18px rgba(43,36,56,0.3);}
.support-channel b{font-size:15px;}
.support-channel span{font-size:12.5px;color:var(--ink-soft);}
.support-channel.whatsapp{border-left:4px solid var(--green);}
.support-channel.messenger{border-left:4px solid var(--purple);}
.support-channel.email{border-left:4px solid var(--teal);}

.faq-item{
  background:var(--paper);border:1px solid var(--line);border-radius:12px;
  padding:14px 18px;margin-bottom:10px;
}
.faq-item summary{cursor:pointer;font-weight:600;font-size:14px;}
.faq-item p{margin:10px 0 0;font-size:13.5px;line-height:1.75;color:var(--ink-soft);}

.support-inline-help{
  font-size:12.5px;color:var(--ink-soft);margin-top:10px;line-height:1.6;
}
.support-inline-help a{color:var(--purple-deep);text-decoration:underline;}

.history-table{width:100%;border-collapse:collapse;font-size:13px;}
.history-table th{text-align:left;font-size:11.5px;color:var(--ink-soft);padding:8px 10px;border-bottom:1px solid var(--line);font-weight:600;}
.history-table td{padding:10px;border-bottom:1px solid var(--line);}
.history-table tr:last-child td{border-bottom:none;}
.history-table .h-band{font-family:'Baloo 2',sans-serif;font-weight:800;color:var(--purple-deep);}