/* ============================================================
   Components
   ============================================================ */

/* ---- Announcement bar ---- */
.announce{
  background: var(--indigo-strong); color: var(--text-on-dark, #F3F3EE);
  font-size: .85rem; text-align: center; padding: .5rem var(--gutter);
}
.announce a{ color: #F3D89A; text-decoration: underline; text-underline-offset: 2px; }

/* ---- Navbar ---- */
.navbar{
  position: sticky; top: 0; z-index: 900;
  background: color-mix(in srgb, var(--surface-raised) 92%, transparent);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow .2s ease;
}
.navbar.is-scrolled{ box-shadow: var(--shadow-s); }
.navbar-row{
  display: flex; align-items: center; gap: 1.75rem; height: 68px;
}
.brand{
  display: flex; align-items: baseline; gap: .35rem; text-decoration: none;
  font-family: var(--font-display); font-weight: 650; font-size: 1.28rem; color: var(--text);
  margin-right: .25rem;
}
.brand .dot{ color: var(--amber-strong); }
.nav-links{ display: flex; gap: 1.5rem; list-style: none; margin: 0; padding: 0; flex: 1; }
.nav-links a{
  text-decoration: none; color: var(--text-soft); font-size: .95rem; font-weight: 500;
  padding: .4rem .1rem; border-bottom: 2px solid transparent; transition: color .15s, border-color .15s;
}
.nav-links a:hover, .nav-links a[aria-current="page"]{ color: var(--text); border-color: var(--amber-strong); }
.nav-actions{ display: flex; align-items: center; gap: .6rem; }
.icon-btn{
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border-radius: var(--radius-m);
  border: 1px solid var(--border); background: var(--surface-raised); color: var(--text);
  cursor: pointer; transition: background .15s, border-color .15s;
}
.icon-btn:hover{ background: var(--surface-sunken); border-color: var(--border-strong); }
.nav-toggle{ display: none; }

.mobile-panel{
  display: none; position: fixed; left: 0; right: 0; bottom: 0; top: 68px; z-index: 890;
  background: var(--surface); overflow-y: auto; padding: 1.25rem var(--gutter) 3rem;
}
.mobile-panel.open{ display: block; }
.mobile-panel ul{ list-style: none; margin: 0; padding: 0; }
.mobile-panel li{ border-bottom: 1px solid var(--border); }
.mobile-panel a{
  display: block; padding: 1rem 0; text-decoration: none; color: var(--text);
  font-family: var(--font-display); font-size: 1.2rem;
}

@media (max-width: 880px){
  .nav-links{ display: none; }
  .nav-toggle{ display: inline-flex; }
}

/* ---- Buttons ---- */
.btn{
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  font-family: var(--font-body); font-weight: 600; font-size: .95rem;
  padding: .72rem 1.3rem; border-radius: var(--radius-m); border: 1px solid transparent;
  cursor: pointer; text-decoration: none; transition: transform .12s ease, background .15s, border-color .15s, box-shadow .15s;
  line-height: 1;
}
.btn:active{ transform: translateY(1px); }
.btn-primary{ background: var(--brand); color: #fff; }
.btn-primary:hover{ background: var(--indigo-strong); box-shadow: var(--shadow-s); }
.btn-secondary{ background: transparent; color: var(--text); border-color: var(--border-strong); }
.btn-secondary:hover{ background: var(--surface-sunken); }
.btn-accent{ background: var(--amber); color: var(--indigo-strong); }
.btn-accent:hover{ background: var(--amber-strong); }
.btn-ghost{ background: transparent; color: var(--brand); padding-inline: .3rem; }
.btn-ghost:hover{ text-decoration: underline; }
.btn-block{ width: 100%; }
.btn-sm{ padding: .5rem .9rem; font-size: .85rem; }
.btn[disabled]{ opacity: .55; cursor: not-allowed; }

/* ---- Badge ---- */
.badge{
  display: inline-flex; align-items: center; gap: .3rem;
  font-size: .72rem; font-weight: 600; letter-spacing: .02em;
  padding: .28rem .6rem; border-radius: 999px; background: var(--teal-soft); color: var(--teal);
  border: 1px solid color-mix(in srgb, var(--teal) 25%, transparent);
}
.badge-amber{ background: color-mix(in srgb, var(--amber) 18%, transparent); color: var(--amber-strong); border-color: color-mix(in srgb, var(--amber) 40%, transparent); }
.badge-good{ background: var(--good-soft); color: var(--good); border-color: color-mix(in srgb, var(--good) 30%, transparent); }
.badge-bad{ background: var(--bad-soft); color: var(--bad); border-color: color-mix(in srgb, var(--bad) 30%, transparent); }
.badge-outline{ background: transparent; color: var(--text-soft); border-color: var(--border-strong); }

/* ---- Card base ---- */
.card{
  background: var(--surface-raised); border: 1px solid var(--border);
  border-radius: var(--radius-m); padding: 1.4rem;
}
.card-flush{ padding: 0; overflow: hidden; }

/* ---- Course card ---- */
.course-grid{ display: grid; grid-template-columns: repeat(auto-fill, minmax(280px,1fr)); gap: 1.25rem; }
.course-card{
  display: flex; flex-direction: column; background: var(--surface-raised);
  border: 1px solid var(--border); border-radius: var(--radius-m); overflow: hidden;
  text-decoration: none; color: var(--text);
  transition: border-color .15s ease, box-shadow .15s ease, transform .15s ease;
}
.course-card:hover{ border-color: var(--border-strong); box-shadow: var(--shadow-m); transform: translateY(-2px); }
.course-thumb{
  height: 132px; position: relative; overflow: hidden;
  background: linear-gradient(135deg, var(--indigo) 0%, var(--teal) 100%);
}
.course-thumb svg{ position: absolute; inset: 0; width: 100%; height: 100%; opacity: .55; }
.course-thumb .cat{
  position: absolute; left: .8rem; top: .8rem; font-size: .68rem; font-weight: 700;
  letter-spacing: .04em; color: #fff; background: rgba(0,0,0,.28); padding: .25rem .55rem; border-radius: 999px;
}
.course-body{ padding: 1.1rem 1.2rem 1.3rem; display: flex; flex-direction: column; gap: .55rem; flex: 1; }
.course-body h3{ font-size: 1.08rem; margin: 0; }
.course-desc{ color: var(--text-soft); font-size: .89rem; margin: 0; }
.course-meta{ display: flex; flex-wrap: wrap; gap: .5rem .9rem; font-size: .78rem; color: var(--text-soft); margin-top: auto; padding-top: .6rem; border-top: 1px dashed var(--border); }
.course-meta span{ display: inline-flex; align-items: center; gap: .3rem; }
.course-foot{ display: flex; align-items: center; justify-content: space-between; margin-top: .2rem; }
.rating{ display: inline-flex; align-items: center; gap: .3rem; font-size: .82rem; color: var(--text-soft); }
.rating .stars{ color: var(--amber-strong); letter-spacing: 1px; }
.course-progress{ height: 5px; border-radius: 3px; background: var(--surface-sunken); overflow: hidden; margin-top: .3rem; }
.course-progress > span{ display: block; height: 100%; background: var(--amber); border-radius: 3px; }

/* ---- Subject card ---- */
.subject-grid{ display: grid; grid-template-columns: repeat(auto-fill, minmax(240px,1fr)); gap: 1rem; }
.subject-card{
  display: block; padding: 1.2rem 1.3rem; border: 1px solid var(--border); border-radius: var(--radius-m);
  text-decoration: none; color: var(--text); background: var(--surface-raised); transition: border-color .15s, box-shadow .15s;
}
.subject-card:hover{ border-color: var(--brand); box-shadow: var(--shadow-s); }
.subject-card h4{ margin: 0 0 .25rem; }
.subject-card p{ margin: 0; font-size: .84rem; color: var(--text-soft); }
.subject-group{ margin-bottom: 2.2rem; }
.subject-group > h3{ display:flex; align-items:center; gap:.6rem; margin-bottom: 1rem; }
.subject-group > h3::after{ content:""; flex:1; height:1px; background: var(--border); }

/* ---- Resource card ---- */
.resource-grid{ display: grid; grid-template-columns: repeat(auto-fill, minmax(270px,1fr)); gap: 1.1rem; }
.resource-card{ display: flex; flex-direction: column; gap: .6rem; }
.resource-top{ display: flex; align-items: flex-start; justify-content: space-between; gap: .6rem; }
.resource-meta-row{ display: flex; flex-wrap: wrap; gap: .45rem; font-size: .78rem; color: var(--text-soft); }
.resource-foot{ display: flex; align-items: center; justify-content: space-between; margin-top: .4rem; padding-top: .6rem; border-top: 1px dashed var(--border); font-size: .78rem; color: var(--text-soft); }

/* ---- Search ---- */
.search-shell{ position: relative; max-width: 720px; }
.search-input-wrap{
  display: flex; align-items: center; gap: .6rem;
  background: var(--surface-raised); border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-m); padding: .2rem .3rem .2rem 1rem;
}
.search-input-wrap:focus-within{ border-color: var(--brand); }
.search-input-wrap input{
  flex: 1; border: 0; background: transparent; font-size: 1rem; padding: .75rem 0; color: var(--text);
  font-family: var(--font-body);
}
.search-input-wrap input:focus{ outline: none; }
.search-dropdown{
  position: absolute; left: 0; right: 0; top: calc(100% + .5rem); z-index: 60;
  background: var(--surface-raised); border: 1px solid var(--border); border-radius: var(--radius-m);
  box-shadow: var(--shadow-l); max-height: 420px; overflow-y: auto; display: none;
}
.search-dropdown.open{ display: block; animation: dropIn .14s ease; }
@keyframes dropIn{ from{ opacity:0; transform: translateY(-4px);} to{opacity:1; transform:none;} }
.search-group-label{ font-size: .72rem; font-weight: 700; letter-spacing: .04em; color: var(--text-soft); padding: .7rem 1rem .3rem; }
.search-result{
  display: flex; align-items: center; justify-content: space-between; gap: .8rem;
  padding: .6rem 1rem; text-decoration: none; color: var(--text); font-size: .92rem;
}
.search-result:hover, .search-result.active{ background: var(--surface-sunken); }
.search-empty{ padding: 1.6rem 1rem; text-align: center; color: var(--text-soft); font-size: .9rem; }

/* ---- Filters ---- */
.filter-bar{ display: flex; flex-wrap: wrap; gap: .6rem; align-items: center; }
.filter-select{
  font-family: var(--font-body); font-size: .88rem; padding: .5rem .8rem; border-radius: var(--radius-m);
  border: 1px solid var(--border-strong); background: var(--surface-raised); color: var(--text);
}
.chip{
  display: inline-flex; align-items: center; gap: .35rem; padding: .38rem .75rem; border-radius: 999px;
  border: 1px solid var(--border-strong); background: var(--surface-raised); color: var(--text-soft);
  font-size: .84rem; cursor: pointer; transition: all .12s;
}
.chip[aria-pressed="true"]{ background: var(--indigo); color: #fff; border-color: var(--indigo); }

/* ---- Accordion ---- */
.accordion{ border-top: 1px solid var(--border); }
.accordion-item{ border-bottom: 1px solid var(--border); }
.accordion-trigger{
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  background: transparent; border: 0; text-align: left; padding: 1rem .1rem; cursor: pointer;
  font-family: var(--font-body); font-weight: 600; font-size: .98rem; color: var(--text);
}
.accordion-trigger .chevron{ transition: transform .18s ease; flex-shrink: 0; color: var(--text-soft); }
.accordion-trigger[aria-expanded="true"] .chevron{ transform: rotate(180deg); }
.accordion-panel{ display: grid; grid-template-rows: 0fr; transition: grid-template-rows .2s ease; }
.accordion-panel > div{ overflow: hidden; }
.accordion-item.open .accordion-panel{ grid-template-rows: 1fr; }
.lesson-row{ display: flex; align-items: center; gap: .7rem; padding: .55rem 0 .55rem 1.6rem; font-size: .89rem; color: var(--text-soft); }
.lesson-row .num{ font-family: var(--font-mono); font-size: .78rem; color: var(--text-soft); width: 1.4rem; }
.lesson-row .dur{ margin-left: auto; font-family: var(--font-mono); font-size: .78rem; }

/* ---- Progress bar ---- */
.progress{ height: 8px; border-radius: 999px; background: var(--surface-sunken); overflow: hidden; }
.progress > span{ display: block; height: 100%; background: var(--brand); border-radius: 999px; transition: width .5s ease; }
.progress.amber > span{ background: var(--amber); }

/* ---- Stat ---- */
.stat-grid{ display: grid; grid-template-columns: repeat(auto-fit,minmax(160px,1fr)); gap: 1.5rem; }
.stat{ padding: 1.2rem 0; border-top: 2px solid var(--border-strong); }
.stat .num{ font-family: var(--font-display); font-size: clamp(1.8rem,3vw,2.6rem); font-weight: 600; display:block; }
.stat .label{ color: var(--text-soft); font-size: .88rem; }

/* ---- Testimonial ---- */
.testi-grid{ display: grid; grid-template-columns: repeat(auto-fit,minmax(280px,1fr)); gap: 1.2rem; }
.testi-card{ padding: 1.4rem; }
.testi-quote{ font-family: var(--font-display); font-size: 1.05rem; line-height: 1.5; margin-bottom: 1rem; }
.testi-person{ display: flex; align-items: center; gap: .7rem; font-size: .86rem; }
.avatar{
  width: 38px; height: 38px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  background: var(--teal-soft); color: var(--teal); font-weight: 700; font-family: var(--font-display); flex-shrink: 0;
}

/* ---- FAQ / accordion reuse handled above ---- */

/* ---- Footer ---- */
.footer{ background: var(--indigo-strong); color: #D8DAEE; padding-block: 3.5rem 1.5rem; margin-top: 4rem; }
.footer a{ color: #C6CAE8; text-decoration: none; font-size: .9rem; }
.footer a:hover{ color: #fff; text-decoration: underline; }
.footer-grid{ display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 2.5rem; }
.footer-grid h5{ color: #fff; font-size: .78rem; letter-spacing: .04em; margin: 0 0 1rem; font-family: var(--font-body); font-weight: 700; }
.footer-grid ul{ list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: .6rem; }
.footer-brand p{ color: #A7ABD1; font-size: .88rem; max-width: 32ch; }
.footer-bottom{ display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid rgba(255,255,255,.12); font-size: .82rem; color: #9EA2C6; }
.social-row{ display: flex; gap: .6rem; }
.social-row a{ width: 34px; height: 34px; border-radius: 50%; border: 1px solid rgba(255,255,255,.2); display: flex; align-items: center; justify-content: center; }
@media (max-width: 800px){ .footer-grid{ grid-template-columns: 1fr 1fr; } }

/* ---- Forms ---- */
.field{ margin-bottom: 1.1rem; }
.field label{ display: block; font-size: .85rem; font-weight: 600; margin-bottom: .35rem; }
.field .hint{ font-size: .78rem; color: var(--text-soft); margin-top: .3rem; }
.field input, .field textarea, .field select{
  width: 100%; font-family: var(--font-body); font-size: .95rem; padding: .7rem .85rem;
  border-radius: var(--radius-m); border: 1.5px solid var(--border-strong); background: var(--surface-raised); color: var(--text);
}
.field input:focus, .field textarea:focus, .field select:focus{ outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand) 18%, transparent); }
.field.error input, .field.error textarea{ border-color: var(--bad); }
.field .error-msg{ color: var(--bad); font-size: .8rem; margin-top: .35rem; display: none; }
.field.error .error-msg{ display: block; }
.field textarea{ resize: vertical; min-height: 120px; }
.form-status{ padding: .9rem 1rem; border-radius: var(--radius-m); font-size: .9rem; margin-bottom: 1rem; display: none; }
.form-status.show{ display: block; }
.form-status.success{ background: var(--good-soft); color: var(--good); }
.form-status.error{ background: var(--bad-soft); color: var(--bad); }

/* ---- Quiz ---- */
.quiz-shell{ max-width: 680px; margin-inline: auto; }
.quiz-progress-row{ display: flex; align-items: center; gap: 1rem; margin-bottom: 1.6rem; }
.quiz-timer{ font-family: var(--font-mono); font-size: .95rem; padding: .3rem .7rem; border-radius: var(--radius-s); background: var(--surface-sunken); }
.quiz-q{ font-size: 1.25rem; font-family: var(--font-display); margin-bottom: 1.4rem; }
.quiz-options{ display: flex; flex-direction: column; gap: .65rem; list-style: none; padding: 0; margin: 0 0 1.6rem; }
.quiz-option{
  display: flex; align-items: center; gap: .8rem; padding: .85rem 1rem; border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-m); cursor: pointer; background: var(--surface-raised); transition: border-color .12s, background .12s;
}
.quiz-option:hover{ border-color: var(--brand); }
.quiz-option input{ accent-color: var(--brand); }
.quiz-option.selected{ border-color: var(--brand); background: color-mix(in srgb, var(--brand) 7%, var(--surface-raised)); }
.quiz-option.correct{ border-color: var(--good); background: var(--good-soft); }
.quiz-option.incorrect{ border-color: var(--bad); background: var(--bad-soft); }
.quiz-nav{ display: flex; justify-content: space-between; gap: 1rem; }
.quiz-result{ text-align: center; padding: 2.5rem 1rem; }
.quiz-score-ring{ width: 150px; height: 150px; margin: 0 auto 1.2rem; }
.quiz-review-item{ text-align: left; padding: 1rem 0; border-bottom: 1px solid var(--border); }
.quiz-review-item .q{ font-weight: 600; margin-bottom: .4rem; }
.quiz-review-item .a{ font-size: .88rem; color: var(--text-soft); }

/* ---- Dashboard ---- */
.dash-grid{ display: grid; grid-template-columns: 2fr 1fr; gap: 1.5rem; }
.dash-card{ padding: 1.3rem 1.4rem; }
.dash-card h3{ font-size: 1rem; margin-bottom: 1rem; }
.streak-row{ display: flex; gap: .4rem; }
.streak-day{ flex:1; text-align:center; }
.streak-dot{ width: 28px; height: 28px; border-radius: 50%; margin: 0 auto .3rem; background: var(--surface-sunken); display:flex; align-items:center; justify-content:center; font-size:.7rem; }
.streak-dot.active{ background: var(--amber); color: var(--indigo-strong); font-weight: 700; }
.badge-tile{ display: flex; flex-direction: column; align-items: center; gap: .4rem; text-align: center; padding: .9rem .5rem; border: 1px solid var(--border); border-radius: var(--radius-m); font-size: .78rem; color: var(--text-soft); }
.badge-tile.earned{ border-color: var(--amber-strong); color: var(--text); background: color-mix(in srgb, var(--amber) 10%, transparent); }
.badge-emoji{ font-size: 1.5rem; }
.activity-item{ display: flex; gap: .8rem; padding: .7rem 0; border-bottom: 1px solid var(--border); font-size: .88rem; }
.activity-item:last-child{ border-bottom: 0; }
.activity-dot{ width: 8px; height: 8px; border-radius: 50%; background: var(--brand); margin-top: .45rem; flex-shrink: 0; }
@media (max-width: 900px){ .dash-grid{ grid-template-columns: 1fr; } }

/* ---- Breadcrumb ---- */
.breadcrumb{ display: flex; flex-wrap: wrap; gap: .4rem; font-size: .85rem; color: var(--text-soft); margin-bottom: 1.5rem; list-style: none; padding: 0; }
.breadcrumb a{ text-decoration: none; color: var(--text-soft); }
.breadcrumb a:hover{ text-decoration: underline; }
.breadcrumb li:not(:last-child)::after{ content: "/"; margin-left: .4rem; color: var(--border-strong); }

/* ---- Pagination ---- */
.pagination{ display: flex; justify-content: center; gap: .4rem; margin-top: 2rem; list-style: none; padding: 0; }
.pagination button{
  min-width: 36px; height: 36px; border-radius: var(--radius-s); border: 1px solid var(--border-strong);
  background: var(--surface-raised); color: var(--text); cursor: pointer; font-family: var(--font-mono); font-size: .85rem;
}
.pagination button[aria-current="page"]{ background: var(--indigo); color: #fff; border-color: var(--indigo); }

/* ---- Empty / error states ---- */
.empty-state{ text-align: center; padding: 3.5rem 1rem; color: var(--text-soft); }
.empty-state svg{ margin: 0 auto 1.2rem; opacity: .7; }
.empty-state h3{ color: var(--text); margin-bottom: .4rem; }

/* ---- Toast ---- */
.toast-stack{ position: fixed; bottom: 1.2rem; right: 1.2rem; z-index: 1200; display: flex; flex-direction: column; gap: .6rem; }
.toast{
  background: var(--indigo-strong); color: #fff; padding: .8rem 1.1rem; border-radius: var(--radius-m);
  box-shadow: var(--shadow-l); font-size: .88rem; display: flex; align-items: center; gap: .6rem;
  animation: toastIn .18s ease;
}
@keyframes toastIn{ from{ opacity: 0; transform: translateY(8px);} to{ opacity: 1; transform: none; } }

/* ---- Modal ---- */
.modal-overlay{ position: fixed; inset: 0; background: rgba(15,17,32,.55); z-index: 1000; display: none; align-items: center; justify-content: center; padding: 1.2rem; }
.modal-overlay.open{ display: flex; }
.modal{ background: var(--surface-raised); border-radius: var(--radius-l); max-width: 460px; width: 100%; padding: 1.8rem; box-shadow: var(--shadow-l); }
.modal-close{ float: right; }

/* ---- Loading ---- */
.skeleton{ background: linear-gradient(90deg, var(--surface-sunken) 25%, var(--border) 37%, var(--surface-sunken) 63%); background-size: 400% 100%; animation: shimmer 1.4s ease infinite; border-radius: var(--radius-m); }
@keyframes shimmer{ 0%{background-position: 100% 0;} 100%{background-position: 0 0;} }

/* ---- Reveal on scroll (single orchestrated use) ---- */
.reveal{ opacity: 0; transform: translateY(14px); transition: opacity .5s ease, transform .5s ease; }
.reveal.in{ opacity: 1; transform: none; }

/* ---- misc layout helpers ---- */
.flex-between{ display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.stack{ display: flex; flex-direction: column; gap: var(--gap, 1rem); }
.eyebrow-plain{ font-size: .95rem; color: var(--teal); font-weight: 600; margin-bottom: .4rem; font-family: var(--font-body); }
.two-col{ display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
@media (max-width: 860px){ .two-col{ grid-template-columns: 1fr; gap: 2rem; } }