/* Teens Homework pages */
:root{
  --a-bg:#07080b;
  --a-panel:#0c0f16;
  --a-stroke: rgba(255,255,255,.10);
  --a-text: rgba(255,255,255,.92);
  --a-muted: rgba(255,255,255,.72);
  --a-gold: rgba(255,215,0,.92);
  --a-shadow: 0 18px 40px rgba(0,0,0,.55);
  --a-radius: 18px;
  --kids-font: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}

body.teens-homework-page{
  margin:0;
  font-family: var(--kids-font);
  color: var(--a-text);
  background:
    radial-gradient(1200px 700px at 20% -10%, rgba(255,215,0,.10), transparent 60%),
    radial-gradient(900px 600px at 90% 0%, rgba(0,180,255,.08), transparent 60%),
    var(--a-bg);
}

.container{ width:min(1180px, 92vw); margin:0 auto; }
.homework-hero{ padding: 22px 0 10px; }

.hw-card{
  border-radius: var(--a-radius);
  border: 1px solid var(--a-stroke);
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(0,0,0,.22));
  padding: 16px;
  box-shadow: var(--a-shadow);
  margin-bottom: 12px;
}
.hw-card.is-complete{
  border-color: rgba(134,239,172,.6);
  box-shadow: 0 0 0 1px rgba(134,239,172,.15) inset, var(--a-shadow);
  background: linear-gradient(180deg, rgba(134,239,172,.08), rgba(0,0,0,.25));
}
.hw-card.is-next{
  border-color: rgba(255,215,0,.5);
  box-shadow: 0 0 0 1px rgba(255,215,0,.18) inset, var(--a-shadow);
}

.hw-title{
  margin: 0 0 6px;
  font-size: clamp(22px, 3.4vw, 36px);
  font-weight: 1100;
}

.hw-subtitle{
  margin: 0;
  color: var(--a-muted);
  font-weight: 800;
  line-height: 1.6;
}

.hw-links{
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
@media (max-width: 720px){
  .hw-links{ grid-template-columns: 1fr; }
}

.hw-link{
  display:flex;
  flex-direction: column;
  gap: 8px;
  padding: 14px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.25);
  color: inherit;
  text-decoration: none;
  font-weight: 900;
}
.hw-link:hover{
  border-color: rgba(255,215,0,.45);
  box-shadow: 0 0 0 1px rgba(255,215,0,.12) inset;
}

.hw-section{
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid rgba(255,255,255,.08);
}
.hw-section:first-child{
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}
.hw-section h3{
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 1000;
}

.hw-list{
  display:grid;
  gap: 10px;
}

.hw-q{
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
  padding: 10px;
  display:grid;
  gap: 8px;
}

.hw-q-title{
  font-weight: 900;
  line-height: 1.6;
}

.hw-options{
  display:flex;
  flex-wrap: wrap;
  gap: 8px;
}
.hw-sentence{
  display:flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  padding: 8px 0;
  font-weight: 800;
}
.hw-part{
  white-space: pre-wrap;
}
.hw-blank{
  min-width: 72px;
  padding: 6px 10px;
  border-radius: 10px;
  border: 1px dashed rgba(255,255,255,.35);
  background: rgba(0,0,0,.35);
  text-align: center;
  font-weight: 900;
}
.hw-blank.is-filled{ border-style: solid; }
.hw-blank.is-correct{
  border-color: rgba(134,239,172,.8);
  color: #86efac;
  background: rgba(134,239,172,.12);
}
.hw-blank.is-wrong{
  border-color: rgba(252,165,165,.8);
  color: #fca5a5;
  background: rgba(252,165,165,.12);
}

.hw-option{
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  color: inherit;
  padding: 6px 10px;
  font-weight: 900;
  cursor: grab;
}
.hw-option.is-used{
  opacity: .5;
  cursor: not-allowed;
}
.hw-option.is-selected{ border-color: rgba(255,215,0,.6); }
.hw-option.is-correct{ background: rgba(134,239,172,.9); color: #0f172a; }
.hw-option.is-wrong{ background: rgba(252,165,165,.9); color: #7f1d1d; }

.hw-actions{
  display:flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.hw-row-actions{
  display:flex;
  gap: 8px;
  flex-wrap: wrap;
}

.hw-mini-btn{
  padding: 6px 10px;
  border-radius: 10px;
  font-size: 12px;
  font-weight: 900;
}

.hw-result{
  font-size: 12px;
  font-weight: 900;
}
.hw-ok{ color: #86efac; }
.hw-wrong{ color: #fca5a5; }
.hw-correct{ color: #86efac; }

.hw-summary{
  margin-top: 16px;
  padding: 16px 18px;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(0,0,0,.6);
  box-shadow: 0 10px 30px rgba(0,0,0,.45);
  display: none;
}
.hw-summary-title{
  font-size: 16px;
  font-weight: 900;
  margin-bottom: 8px;
}
.hw-summary-row{
  font-size: 15px;
  font-weight: 900;
  margin-top: 6px;
}
.hw-summary-grade{
  font-size: 20px;
  margin-top: 10px;
}
.hw-summary-total{
  color: var(--a-muted);
  font-weight: 800;
}

/* Extra practice */
.extra-list{
  display:grid;
  gap: 10px;
}
.extra-item{
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
  padding: 10px 12px;
}
.extra-head{
  display:flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}
.extra-en{
  font-weight: 900;
  font-size: 16px;
}

/* Dialog */
.dialog-list{
  display:grid;
  gap: 10px;
}
.dialog-line{
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
  padding: 10px 12px;
}
.dialog-head{
  display:flex;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}
.dialog-spk{
  min-width: 32px;
  padding: 6px 10px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.05);
  font-weight: 900;
  text-align: center;
}
.dialog-en{
  font-weight: 900;
  font-size: 15px;
  margin: 6px 0 0;
}
.dialog-pt{
  font-size: 13px;
  color: var(--a-muted);
  margin: 4px 0 0;
}

.hw-input{
  width: 100%;
  min-height: 54px;
  padding: 8px 10px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(0,0,0,.35);
  color: rgba(255,255,255,.92);
  font-weight: 800;
  outline: none;
  resize: vertical;
}
.hw-input.is-correct{ border-color: rgba(134,239,172,.7); box-shadow: 0 0 0 1px rgba(134,239,172,.2) inset; }
.hw-input.is-wrong{ border-color: rgba(252,165,165,.7); box-shadow: 0 0 0 1px rgba(252,165,165,.2) inset; }

.hw-note{
  font-size: 12px;
  color: var(--a-muted);
  margin: 0 0 8px;
}

.hw-pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(0,0,0,.28);
  font-weight: 800;
}

.hw-row{
  display:flex;
  flex-wrap: wrap;
  gap: 8px;
}

.hw-answer{
  padding: 8px 10px;
  border-radius: 12px;
  border: 1px dashed rgba(255,215,0,.35);
  background: rgba(0,0,0,.22);
  min-height: 36px;
  font-weight: 900;
}
.hw-answer.is-wrong{
  color: #fca5a5;
  border-color: rgba(252,165,165,.7);
}

.hw-word-bank{
  display:flex;
  flex-wrap: wrap;
  gap: 8px;
}

.hw-word{
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  color: inherit;
  padding: 6px 10px;
  font-weight: 900;
  cursor: pointer;
}
.hw-word.is-selected{ opacity:.55; }

/* Grammar structure */
.grammar-card{
  padding: 12px 16px;
}
.grammar-toolbar{
  display:flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}
.grammar-table{
  margin-top: 12px;
}
.grammar-wrap{
  display: grid;
  gap: 12px;
}
.grammar-title{
  text-align: center;
  font-weight: 1000;
  letter-spacing: .12em;
  text-transform: uppercase;
  font-size: 13px;
  padding: 8px 10px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.35);
}
.grammar-grid{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}
.grammar-cell{
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
  padding: 10px 12px;
  line-height: 1.5;
}
.grammar-label{
  text-align:center;
  font-size: 11px;
  font-weight: 1000;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--a-muted);
  background: rgba(255,255,255,.05);
}
.grammar-note{
  text-align:center;
  font-size: 12px;
  font-weight: 900;
  color: var(--a-muted);
  background: rgba(0,0,0,.35);
}
.grammar-en{
  font-weight: 900;
  font-size: 15px;
}
.grammar-pt{
  margin-top: 6px;
  font-size: 13px;
  color: var(--a-muted);
}
.grammar-verb{
  color: #facc15;
}
.grammar-mini-title{
  margin-top: 6px;
  text-align: center;
  font-weight: 900;
  font-size: 13px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--a-muted);
}
.grammar-mini-grid{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}
.grammar-mini-card{
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.28);
  padding: 10px;
  display: grid;
  gap: 8px;
}
.grammar-mini-label{
  text-align: center;
  font-size: 11px;
  font-weight: 1000;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--a-muted);
}
.grammar-mini-row{
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}
.grammar-mini-cell{
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.38);
  padding: 6px 8px;
  font-weight: 900;
  font-size: 13px;
}

@media (max-width: 900px){
  .grammar-grid{ grid-template-columns: 1fr; }
  .grammar-mini-grid{ grid-template-columns: 1fr; }
}
@media (max-width: 520px){
  .grammar-mini-row{ grid-template-columns: 1fr; }
}