/* ═══════════════════════════════════════════════════
   QROOTS APP — DESIGN SYSTEM — FINAL
   Upload to: /wp-content/themes/YOUR-THEME/qroots-app.css
   ═══════════════════════════════════════════════════ */

/* ── TOKENS ── */
:root {
  --p:#4e42f5; --pd:#3730c4; --ps:#eeedfb; --pss:#d8d5fc;
  --bg:#f5f5fa; --surf:#ffffff; --text:#16152b;
  --ts:#6b6a85; --tf:#a3a2b8; --bdr:#e8e7f2;
  --succ:#16a34a; --succs:#eaf7ef;
  --warn:#d97706; --warns:#fef3e0;
  --danger:#dc2626; --dangs:#fef2f2;
  --purple:#7c3aed; --purps:#f3f0ff;
  --r20:20px; --r14:14px; --r10:10px;
  --sh:0 1px 3px rgba(22,21,43,.06),0 4px 16px -8px rgba(22,21,43,.1);
  --font:"Google Sans","Roboto",system-ui,-apple-system,sans-serif;
  --nav-h:80px;
}
[data-theme="dark"] {
  --bg:#0d0c1a; --surf:#18172b; --text:#efeff8;
  --ts:#9b9ab4; --tf:#6a6980; --bdr:#28274a;
  --ps:#252354; --pss:#1e1c44;
  --succs:#0d2b1a; --warns:#2d2106; --dangs:#2d0f0f; --purps:#1e1238;
  --sh:0 2px 12px rgba(0,0,0,.4),0 0 0 1px rgba(255,255,255,.04);
}

/* ── RESET ── */
*,*::before,*::after { box-sizing:border-box; -webkit-tap-highlight-color:transparent; }
html,body { margin:0; padding:0; overscroll-behavior:none; }
body.qroots-app-body {
  font-family:var(--font); background:var(--bg); color:var(--text);
  transition:background .3s,color .3s; -webkit-font-smoothing:antialiased;
  overflow:hidden;
}
a { text-decoration:none; color:inherit; }
button { font-family:var(--font); cursor:pointer; border:none; background:none; }
input,textarea { font-family:var(--font); }

/* ── APP SHELL ── */
#qapp { position:fixed; inset:0; overflow:hidden; background:var(--bg); }

/* ── SCREENS ── */
.screen {
  position:absolute; inset:0; overflow-y:auto; overflow-x:hidden;
  -webkit-overflow-scrolling:touch; background:var(--bg);
  padding-bottom:var(--nav-h); display:none; flex-direction:column;
  opacity:0; transform:translateY(6px);
  transition:opacity .25s ease,transform .25s ease;
}
.screen.active { display:flex; opacity:1; transform:translateY(0); }
.screen.no-nav { padding-bottom:0; }
.screen::-webkit-scrollbar { display:none; }

/* ── SPLASH ── */
#s-splash {
  background:var(--p); justify-content:center; align-items:center;
  padding-bottom:0 !important;
}
.splash-inner {
  flex:1; display:flex; flex-direction:column; align-items:center;
  justify-content:center; color:#fff; text-align:center; padding:32px;
}
.splash-skip {
  position:absolute; top:16px; right:18px;
  color:rgba(255,255,255,.75); font-size:13px; font-weight:600;
  background:rgba(255,255,255,.15); border:none; border-radius:20px;
  padding:7px 16px; cursor:pointer; font-family:var(--font);
  backdrop-filter:blur(4px);
}
.splash-q {
  width:90px; height:90px; border-radius:28px;
  background:rgba(255,255,255,.18);
  display:flex; align-items:center; justify-content:center;
  font-size:40px; font-weight:800; margin-bottom:18px;
}
.splash-name { font-size:28px; font-weight:800; letter-spacing:-.5px; }
.splash-tag  { font-size:13px; opacity:.8; margin-top:6px; margin-bottom:36px; }
.splash-login-btn {
  background:#fff; color:var(--p); border:none;
  padding:14px 32px; border-radius:14px;
  font-size:15px; font-weight:800; font-family:var(--font);
  cursor:pointer; text-decoration:none; display:inline-block;
  box-shadow:0 8px 24px rgba(0,0,0,.2);
}
.splash-note {
  font-size:12px; opacity:.7; margin-top:14px;
  font-family:var(--font); color:#fff;
}

/* ── TOPBAR ── */
.topbar {
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 18px 6px; flex-shrink:0;
}
.brand { display:flex; align-items:center; gap:9px; }
.logo-sq {
  width:32px; height:32px; border-radius:10px; background:var(--p);
  color:#fff; display:flex; align-items:center; justify-content:center;
  font-size:15px; font-weight:800;
}
.brand-name { font-size:16px; font-weight:700; letter-spacing:-.3px; }
.icon-btn {
  width:36px; height:36px; border-radius:50%;
  background:var(--surf); border:1px solid var(--bdr);
  display:flex; align-items:center; justify-content:center;
  box-shadow:var(--sh); color:var(--text);
}

/* ── SEARCH BAR ── */
.searchbar {
  margin:6px 18px 14px; background:var(--surf); border:1px solid var(--bdr);
  border-radius:var(--r14); padding:12px 14px;
  display:flex; align-items:center; gap:9px;
  color:var(--tf); font-size:13.5px; box-shadow:var(--sh); cursor:text; flex-shrink:0;
}

/* ── SECTION TITLE ── */
.sec-title {
  padding:0 18px; font-size:12px; font-weight:700;
  color:var(--ts); text-transform:uppercase; letter-spacing:.5px;
  margin:18px 0 10px; flex-shrink:0;
}
.sec-title.row { display:flex; justify-content:space-between; align-items:center; }
.link-sm { font-size:12px; font-weight:700; color:var(--p); text-transform:none; letter-spacing:0; }

/* ── CARD ── */
.card {
  background:var(--surf); border:1px solid var(--bdr);
  border-radius:var(--r20); box-shadow:var(--sh);
  transition:background .3s,transform .12s;
}
.card:active { transform:scale(.985); }

/* ── H-SCROLL ── */
.h-scroll {
  display:flex; gap:12px; overflow-x:auto;
  padding:0 18px 4px; scrollbar-width:none; flex-shrink:0;
}
.h-scroll::-webkit-scrollbar { display:none; }

/* ── CONTINUE CARD ── */
.continue-card {
  min-width:268px; border-radius:var(--r20); padding:18px;
  color:#fff; flex-shrink:0; position:relative; overflow:hidden;
}
.continue-card::after {
  content:""; position:absolute; right:-24px; top:-24px;
  width:110px; height:110px; border-radius:50%;
  background:rgba(255,255,255,.1);
}
.cont-tag  { font-size:11px; opacity:.85; font-weight:600; }
.cont-title { margin:6px 0 14px; font-size:15px; font-weight:700; line-height:1.35; }
.prog-track { height:5px; background:rgba(255,255,255,.28); border-radius:6px; overflow:hidden; margin-bottom:7px; }
.prog-fill  { height:100%; background:#fff; border-radius:6px; }
.cont-meta  { font-size:11px; opacity:.8; }

/* ── RECENT CHIP ── */
.recent-chip {
  min-width:128px; background:var(--surf); border:1px solid var(--bdr);
  border-radius:var(--r14); padding:13px; flex-shrink:0;
  cursor:pointer; box-shadow:var(--sh);
}
.rc-ico   { font-size:22px; margin-bottom:8px; }
.rc-title { font-size:12.5px; font-weight:700; color:var(--text); margin-bottom:2px; }
.rc-sub   { font-size:11px; color:var(--ts); }

/* ── COURSE CARD WITH IMAGE ── */
.course-card-full { margin:0 18px 16px; overflow:hidden; cursor:pointer; }
.course-thumb-wrap {
  width:100%; height:160px; position:relative; overflow:hidden;
  border-radius:20px 20px 0 0; background:var(--ps);
}
.course-thumb-img  { width:100%; height:100%; object-fit:cover; display:block; }
.course-thumb-fallback {
  width:100%; height:100%; display:flex; align-items:center;
  justify-content:center; font-size:42px; font-weight:800;
  background:linear-gradient(135deg,var(--p),#6f63fb); color:#fff;
}
.course-card-body { padding:14px 16px 16px; }
.course-card-full .lock-ribbon {
  position:absolute; top:10px; right:0;
  background:var(--warn); color:#fff; font-size:11px; font-weight:800;
  padding:5px 12px 5px 14px; border-radius:20px 0 0 20px;
}

/* ── COURSE ROW (fallback if no image) ── */
.course-row {
  display:flex; align-items:center; gap:13px;
  padding:14px 16px; margin:0 18px 12px;
  cursor:pointer; position:relative; overflow:hidden;
}
.yr-ico {
  width:52px; height:52px; border-radius:15px;
  display:flex; align-items:center; justify-content:center;
  font-size:19px; font-weight:800; flex-shrink:0;
}
.yr-ico.owned  { background:var(--succs); color:var(--succ); }
.yr-ico.locked { background:var(--ps); color:var(--p); }
.course-row h4 { margin:0 0 3px; font-size:14.5px; font-weight:700; }
.course-row p  { margin:0; font-size:12px; color:var(--ts); }
.lock-ribbon {
  position:absolute; top:0; right:0;
  background:var(--warn); color:#fff; font-size:10px; font-weight:800;
  padding:5px 12px 5px 14px; border-bottom-left-radius:12px;
}
.badge { font-size:11px; font-weight:700; padding:4px 10px; border-radius:20px; white-space:nowrap; flex-shrink:0; }
.badge-g { background:var(--succs); color:var(--succ); }
.badge-p { background:var(--ps); color:var(--p); }

/* ── EMPTY STATE ── */
.empty-state {
  padding:40px 28px 16px; text-align:center;
  display:flex; flex-direction:column; align-items:center;
}
.empty-ill {
  width:90px; height:90px; border-radius:26px; background:var(--ps);
  display:flex; align-items:center; justify-content:center;
  font-size:38px; margin-bottom:18px;
}
.empty-state h3 { font-size:18px; font-weight:700; margin-bottom:8px; }
.empty-state p  { font-size:13.5px; color:var(--ts); line-height:1.55; margin-bottom:22px; }

/* ── HERO BANNER ── */
.hero-banner {
  background:linear-gradient(155deg,var(--p),#2e27aa);
  padding:52px 20px 22px; color:#fff; flex-shrink:0;
}
.back-btn {
  display:flex; align-items:center; gap:6px;
  color:rgba(255,255,255,.85); margin-bottom:16px;
  font-size:13px; font-weight:600;
  background:rgba(255,255,255,.12); border-radius:20px;
  padding:6px 12px 6px 8px; width:fit-content;
}
.hero-banner h2  { font-size:21px; font-weight:800; margin-bottom:6px; }
.hero-sub        { font-size:12.5px; opacity:.85; margin-bottom:14px; }
.hero-stats      { display:flex; gap:16px; font-size:12px; opacity:.9; }
.hero-stats span { display:flex; align-items:center; gap:5px; }

/* ── LESSON ROW ── */
.lesson-row {
  display:flex; align-items:center; gap:13px;
  padding:15px 16px; margin:0 18px 12px; cursor:pointer;
}
.les-ico {
  width:46px; height:46px; border-radius:14px;
  display:flex; align-items:center; justify-content:center;
  font-size:20px; flex-shrink:0;
}
.lesson-row h4 { margin:0 0 3px; font-size:14px; font-weight:700; color:var(--text); }
.lesson-row p  { margin:0; font-size:11.5px; color:var(--ts); }
.chev { color:var(--tf); flex-shrink:0; }
.hot-badge {
  display:inline-flex; align-items:center; gap:4px;
  background:var(--dangs); color:var(--danger);
  font-size:10px; font-weight:800; padding:2px 7px; border-radius:20px;
  margin-left:6px; vertical-align:middle;
}
.pulse-dot {
  width:6px; height:6px; border-radius:50%;
  background:var(--danger); position:relative; flex-shrink:0;
}
.pulse-dot::after {
  content:""; position:absolute; inset:-3px; border-radius:50%;
  border:1.5px solid var(--danger);
  animation:pulse 1.8s ease-out infinite;
}

/* ── SEARCH SCREEN ── */
.search-topbar {
  display:flex; align-items:center; gap:10px;
  padding:14px 18px 10px; flex-shrink:0;
}
.search-active {
  flex:1; display:flex; align-items:center; gap:9px;
  background:var(--surf); border:2px solid var(--p);
  border-radius:var(--r14); padding:11px 14px;
  box-shadow:0 0 0 4px var(--ps);
}
.search-active input {
  flex:1; border:none; outline:none;
  font-size:13.5px; color:var(--text); background:transparent;
}
.clear-btn { color:var(--tf); font-size:14px; padding:2px 4px; border-radius:50%; }
.search-grid {
  display:grid; grid-template-columns:1fr 1fr;
  gap:10px; padding:0 18px;
}
.search-type-card {
  background:var(--surf); border:1px solid var(--bdr);
  border-radius:var(--r14); padding:16px;
  display:flex; flex-direction:column; align-items:center; gap:8px;
  font-size:13px; font-weight:700; color:var(--text);
  cursor:pointer; box-shadow:var(--sh);
}
.st-ico { font-size:26px; }
.result-section {
  padding:14px 18px 8px; font-size:11px; font-weight:700;
  color:var(--ts); text-transform:uppercase; letter-spacing:.5px;
}
.result-item {
  display:flex; align-items:center; gap:12px;
  padding:13px 18px; border-bottom:1px solid var(--bdr); cursor:pointer;
}
.result-item:last-child { border-bottom:none; }
.r-ico {
  width:36px; height:36px; border-radius:10px;
  display:flex; align-items:center; justify-content:center;
  font-size:16px; flex-shrink:0;
}
.result-item h5 { margin:0 0 2px; font-size:13.5px; font-weight:700; color:var(--text); }
.result-item p  { margin:0; font-size:11.5px; color:var(--ts); }

/* ── PAYWALL ── */
.pay-hero {
  background:linear-gradient(155deg,var(--p),#2e27aa);
  padding:52px 22px 24px; color:#fff; text-align:center; flex-shrink:0;
}
.pay-icon {
  width:64px; height:64px; border-radius:20px;
  background:rgba(255,255,255,.18);
  display:flex; align-items:center; justify-content:center;
  font-size:26px; font-weight:800; margin:0 auto 14px;
}
.pay-hero h2 { font-size:20px; font-weight:800; margin-bottom:6px; }
.pay-hero p  { font-size:13px; opacity:.85; margin:0; }
.feat-item {
  display:flex; gap:13px; align-items:flex-start;
  padding:0 20px; margin-bottom:16px;
}
.feat-ico {
  width:38px; height:38px; border-radius:12px;
  display:flex; align-items:center; justify-content:center;
  font-size:17px; flex-shrink:0;
}
.feat-item h5 { font-size:13.5px; font-weight:700; margin-bottom:3px; color:var(--text); }
.feat-item p  { font-size:12px; color:var(--ts); line-height:1.45; margin:0; }
.buy-bar {
  position:sticky; bottom:0; background:var(--surf);
  border-top:1px solid var(--bdr);
  padding:14px 20px calc(14px + env(safe-area-inset-bottom));
  display:flex; align-items:center; justify-content:space-between;
}
.price-big { font-size:22px; font-weight:800; color:var(--text); }
.price-big span { font-size:12px; font-weight:600; color:var(--ts); }
.price-note { font-size:11px; color:var(--ts); margin-top:2px; }
#paywall-syllabus { border-top:1px solid var(--bdr); margin-top:8px; }

/* ── PROFILE ── */
.profile-head {
  display:flex; align-items:center; gap:14px;
  padding:20px 20px 16px;
}
.avatar {
  width:58px; height:58px; border-radius:50%;
  background:var(--p); color:#fff;
  display:flex; align-items:center; justify-content:center;
  font-weight:800; font-size:20px; flex-shrink:0;
}
.profile-head h3 { margin:0 0 3px; font-size:16px; font-weight:700; }
.profile-head p  { margin:0; font-size:12px; color:var(--ts); }
.pill { display:inline-block; font-size:11px; font-weight:700; padding:3px 10px; border-radius:20px; }
.pill-green { background:var(--succs); color:var(--succ); }
.pill-warn  { background:var(--warns); color:var(--warn); }
.menu-group {
  margin:0 18px 14px; background:var(--surf);
  border:1px solid var(--bdr); border-radius:var(--r20);
  overflow:hidden; box-shadow:var(--sh);
}
.menu-item {
  display:flex; align-items:center; gap:13px;
  padding:14px 16px; border-bottom:1px solid var(--bdr);
  cursor:pointer; color:var(--text);
}
.menu-item:last-child { border-bottom:none; }
.m-ico {
  width:34px; height:34px; border-radius:10px;
  display:flex; align-items:center; justify-content:center;
  font-size:16px; flex-shrink:0; background:var(--bg);
}
.menu-item span { flex:1; font-size:13.5px; font-weight:600; }
.toggle {
  width:44px; height:26px; border-radius:14px;
  background:var(--bdr); position:relative;
  cursor:pointer; transition:background .2s; flex-shrink:0;
}
.toggle.on { background:var(--p); }
.toggle::after {
  content:""; position:absolute; width:20px; height:20px;
  border-radius:50%; background:#fff; top:3px; left:3px;
  transition:left .2s; box-shadow:0 1px 4px rgba(0,0,0,.25);
}
.toggle.on::after { left:21px; }
.app-version { text-align:center; font-size:11px; color:var(--tf); padding:8px 0 16px; }

/* ── FREE DEMO ── */
.freedemo-header { padding:12px 18px 4px; font-size:13px; color:var(--ts); line-height:1.5; }

/* ── OFFLINE BANNER ── */
.offline-banner {
  margin:8px 18px; background:var(--warns); color:var(--warn);
  border-radius:12px; padding:11px 14px;
  font-size:12.5px; font-weight:600;
  display:flex; gap:9px; align-items:center; flex-shrink:0;
}

/* ── BUTTONS ── */
.btn-primary {
  background:var(--p); color:#fff; border:none;
  padding:13px 22px; border-radius:var(--r14);
  font-size:14px; font-weight:700;
  box-shadow:0 6px 20px -6px rgba(78,66,245,.55);
  transition:opacity .15s,transform .1s;
}
.btn-primary:active { opacity:.88; transform:scale(.98); }
.w-full { width:100%; }
.q-input {
  width:100%; padding:14px; border:1.5px solid var(--bdr);
  border-radius:var(--r14); font-size:14px; color:var(--text);
  background:var(--surf); outline:none;
  transition:border-color .2s;
}
.q-input:focus { border-color:var(--p); }

/* ── ERROR ── */
.full-center {
  flex:1; display:flex; flex-direction:column;
  align-items:center; justify-content:center;
  padding:32px 28px; text-align:center;
}
.error-ill { font-size:56px; margin-bottom:16px; }
.full-center h2 { font-size:20px; font-weight:700; margin-bottom:10px; }
.full-center p  { font-size:13.5px; color:var(--ts); line-height:1.55; margin-bottom:24px; }

/* ── BOTTOM NAV ── */
.bnav {
  position:absolute; bottom:0; left:0; right:0;
  height:var(--nav-h); background:var(--surf);
  border-top:1px solid var(--bdr);
  display:flex; justify-content:space-around;
  padding-bottom:env(safe-area-inset-bottom);
  z-index:50; transition:background .3s;
}
.bnav.hidden { display:none; }
.bni {
  flex:1; display:flex; flex-direction:column;
  align-items:center; justify-content:center; gap:4px;
  font-size:10.5px; font-weight:600; color:var(--tf);
  transition:color .15s; padding-top:8px;
}
.bni.on { color:var(--p); }

/* ── SKELETONS ── */
.skel {
  background:linear-gradient(90deg,var(--bdr) 25%,var(--ps) 50%,var(--bdr) 75%);
  background-size:200% 100%; animation:shim 1.4s infinite; border-radius:10px;
}
.skel-card {
  min-width:268px; border-radius:var(--r20); padding:20px; flex-shrink:0;
  background:var(--surf); border:1px solid var(--bdr);
}
.skel-box {
  min-width:128px; height:90px; border-radius:var(--r14);
  background:linear-gradient(90deg,var(--bdr) 25%,var(--ps) 50%,var(--bdr) 75%);
  background-size:200% 100%; animation:shim 1.4s infinite;
}
.skel-row { pointer-events:none; }

/* ── UTILITY ── */
.hidden { display:none !important; }

/* ── ANIMATIONS ── */
@keyframes fadeUp  { from{opacity:0;transform:translateY(8px)} to{opacity:1;transform:translateY(0)} }
@keyframes popIn   { from{opacity:0;transform:scale(.6)} to{opacity:1;transform:scale(1)} }
@keyframes shim    { 0%{background-position:200% 0} 100%{background-position:-200% 0} }
@keyframes pulse   { 0%{transform:scale(.4);opacity:.9} 100%{transform:scale(2.5);opacity:0} }
/* ═══════════════════════════════════════════════════════════
   QROOTS UI UPDATE — Study Tab + Free Demo improvements
   ADD this at the bottom of your existing qroots-app.css
   Do NOT replace the whole file — just append these styles
   ═══════════════════════════════════════════════════════════ */

/* ── FILTER CHIPS (used in both Study and Free Demo) ── */
.filter-bar {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 4px 18px 14px;
  scrollbar-width: none;
  flex-shrink: 0;
  -webkit-overflow-scrolling: touch;
}
.filter-bar::-webkit-scrollbar { display: none; }

.filter-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: 20px;
  border: 1.5px solid var(--bdr);
  background: var(--surf);
  color: var(--ts);
  font-size: 12.5px;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  font-family: var(--font);
  transition: all .15s ease;
  flex-shrink: 0;
}
.filter-chip.active {
  background: var(--p);
  border-color: var(--p);
  color: #fff;
  box-shadow: 0 4px 12px -4px rgba(78,66,245,.5);
}
.filter-chip .chip-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  opacity: .6;
}

/* ── STUDY TAB REDESIGN ── */
.study-section-title {
  padding: 18px 18px 10px;
  font-size: 16px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -.3px;
  flex-shrink: 0;
}

/* Course card grid for study tab */
.course-grid {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 0;
}

/* Premium course card */
.course-card-v2 {
  margin: 0 18px 14px;
  background: var(--surf);
  border: 1px solid var(--bdr);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--sh);
  cursor: pointer;
  transition: transform .12s ease;
}
.course-card-v2:active { transform: scale(.985); }

.course-card-v2 .cc-thumb {
  width: 100%;
  height: 150px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--p), #6f63fb);
}
.course-card-v2 .cc-thumb img {
  width: 100%; height: 100%;
  object-fit: cover; display: block;
}
.course-card-v2 .cc-thumb-fallback {
  width: 100%; height: 100%;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 6px; color: #fff;
}
.course-card-v2 .cc-thumb-fallback .cc-year {
  font-size: 36px; font-weight: 800; opacity: .9;
}
.course-card-v2 .cc-thumb-fallback .cc-label {
  font-size: 12px; font-weight: 600; opacity: .75; letter-spacing: .5px;
}
.course-card-v2 .cc-lock-badge {
  position: absolute;
  top: 10px; right: 10px;
  background: var(--warn);
  color: #fff;
  font-size: 11px; font-weight: 800;
  padding: 5px 11px;
  border-radius: 20px;
  display: flex; align-items: center; gap: 4px;
}
.course-card-v2 .cc-owned-badge {
  position: absolute;
  top: 10px; right: 10px;
  background: rgba(22,163,74,.9);
  color: #fff;
  font-size: 11px; font-weight: 800;
  padding: 5px 11px;
  border-radius: 20px;
  backdrop-filter: blur(4px);
}
.course-card-v2 .cc-body {
  padding: 14px 16px 16px;
}
.course-card-v2 .cc-title {
  font-size: 15px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 4px;
  letter-spacing: -.2px;
}
.course-card-v2 .cc-subjects {
  font-size: 12px;
  color: var(--ts);
  margin-bottom: 10px;
  line-height: 1.4;
}
.course-card-v2 .cc-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.course-card-v2 .cc-stats {
  display: flex;
  gap: 12px;
}
.course-card-v2 .cc-stat {
  font-size: 11.5px;
  font-weight: 600;
  color: var(--ts);
  display: flex;
  align-items: center;
  gap: 4px;
}
.course-card-v2 .cc-btn-open {
  background: var(--p);
  color: #fff;
  border: none;
  padding: 7px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  font-family: var(--font);
  cursor: pointer;
}
.course-card-v2 .cc-btn-lock {
  background: var(--warns);
  color: var(--warn);
  border: none;
  padding: 7px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  font-family: var(--font);
  cursor: pointer;
}

/* ── FREE DEMO REDESIGN ── */

/* Prof year card in Free Demo */
.demo-prof-card {
  margin: 0 18px 16px;
  background: var(--surf);
  border: 1px solid var(--bdr);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--sh);
}
.demo-prof-header {
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 16px;
  cursor: pointer;
  position: relative;
}
.demo-prof-icon {
  width: 48px; height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--p), #6f63fb);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; font-weight: 800;
  flex-shrink: 0;
}
.demo-prof-icon.c1 { background: linear-gradient(135deg,#4e42f5,#6f63fb); }
.demo-prof-icon.c2 { background: linear-gradient(135deg,#7c3aed,#9f67fa); }
.demo-prof-icon.c3 { background: linear-gradient(135deg,#0284c7,#38bdf8); }
.demo-prof-icon.c4 { background: linear-gradient(135deg,#059669,#34d399); }
.demo-prof-icon.c5 { background: linear-gradient(135deg,#dc2626,#f87171); }
.demo-prof-title {
  flex: 1;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--text);
}
.demo-prof-count {
  font-size: 11.5px;
  color: var(--ts);
  margin-top: 2px;
  font-weight: 500;
}
.demo-free-tag {
  background: var(--succs);
  color: var(--succ);
  font-size: 10px;
  font-weight: 800;
  padding: 3px 9px;
  border-radius: 20px;
  flex-shrink: 0;
}
.demo-chevron {
  color: var(--tf);
  transition: transform .2s ease;
  flex-shrink: 0;
}
.demo-chevron.open { transform: rotate(90deg); }

/* Lessons inside demo card */
.demo-lessons {
  border-top: 1px solid var(--bdr);
  display: none;
}
.demo-lessons.open { display: block; }
.demo-lesson-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 16px;
  border-bottom: 1px solid var(--bdr);
  cursor: pointer;
  transition: background .1s;
}
.demo-lesson-row:last-child { border-bottom: none; }
.demo-lesson-row:active { background: var(--bg); }
.demo-lesson-ico {
  width: 38px; height: 38px;
  border-radius: 11px;
  display: flex; align-items: center; justify-content: center;
  font-size: 17px;
  flex-shrink: 0;
}
.demo-lesson-title {
  flex: 1;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text);
}
.demo-lesson-sub {
  font-size: 11.5px;
  color: var(--ts);
  margin-top: 2px;
}
.demo-lesson-arrow {
  color: var(--tf);
}

/* ── STUDY TAB empty state when filter has no results ── */
.filter-empty {
  padding: 32px 28px;
  text-align: center;
  color: var(--ts);
  font-size: 13.5px;
}
.filter-empty .fi-icon { font-size: 36px; margin-bottom: 10px; }
.filter-empty h4 { font-size: 15px; font-weight: 700; color: var(--text); margin-bottom:6px; }

/* ── SEARCH BAR inside tab pages ── */
.tab-search {
  margin: 6px 18px 0;
  background: var(--surf);
  border: 1px solid var(--bdr);
  border-radius: 14px;
  padding: 11px 14px;
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--tf);
  font-size: 13.5px;
  box-shadow: var(--sh);
  cursor: text;
  flex-shrink: 0;
}
/* ═══════════════════════════════════════════════
   QROOTS FULL FIX CSS
   APPEND to bottom of qroots-app.css
   ═══════════════════════════════════════════════ */

/* ── COURSE CARD — proper 16:9 image ── */
.course-card-v2 {
  margin: 0 18px 16px;
  background: var(--surf);
  border: 1px solid var(--bdr);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(22,21,43,.08), 0 8px 32px -12px rgba(22,21,43,.14);
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease;
  display: block;
}
.course-card-v2:active { transform: scale(.982); }

.course-card-v2 .cc-thumb {
  width: 100%;
  padding-top: 56.25%; /* 16:9 ratio */
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #4e42f5, #6f63fb);
}
.course-card-v2 .cc-thumb img {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
}
.course-card-v2 .cc-thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 45%, rgba(0,0,0,.5) 100%);
  pointer-events: none;
}
.course-card-v2 .cc-thumb-fallback {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  color: #fff;
}
.course-card-v2 .cc-year {
  font-size: 52px;
  font-weight: 800;
  line-height: 1;
  opacity: .95;
}
.course-card-v2 .cc-label {
  font-size: 12px;
  font-weight: 700;
  opacity: .7;
  letter-spacing: 2px;
  text-transform: uppercase;
}
.course-card-v2 .cc-lock-badge,
.course-card-v2 .cc-owned-badge {
  position: absolute;
  top: 10px; right: 10px;
  z-index: 2;
  font-size: 11px;
  font-weight: 800;
  padding: 5px 12px;
  border-radius: 20px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.course-card-v2 .cc-lock-badge  { background: rgba(217,119,6,.9);  color: #fff; }
.course-card-v2 .cc-owned-badge { background: rgba(22,163,74,.9);  color: #fff; }

.course-card-v2 .cc-body     { padding: 14px 16px 16px; }
.course-card-v2 .cc-title    { font-size: 15.5px; font-weight: 800; color: var(--text); margin: 0 0 4px; letter-spacing: -.25px; line-height: 1.3; }
.course-card-v2 .cc-subjects { font-size: 12px; color: var(--ts); margin: 0 0 12px; line-height: 1.4; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.course-card-v2 .cc-footer   { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.course-card-v2 .cc-stats    { display: flex; gap: 6px; flex-wrap: wrap; }
.course-card-v2 .cc-stat     { font-size: 11px; font-weight: 600; color: var(--tf); background: var(--bg); padding: 3px 9px; border-radius: 20px; display: flex; align-items: center; gap: 3px; }
.course-card-v2 .cc-btn-open { background: var(--p); color: #fff; border: none; padding: 8px 16px; border-radius: 20px; font-size: 12.5px; font-weight: 700; font-family: var(--font); cursor: pointer; flex-shrink: 0; box-shadow: 0 4px 14px -4px rgba(78,66,245,.5); }
.course-card-v2 .cc-btn-lock { background: var(--warns); color: var(--warn); border: 1.5px solid rgba(217,119,6,.3); padding: 7px 14px; border-radius: 20px; font-size: 12.5px; font-weight: 800; font-family: var(--font); cursor: pointer; flex-shrink: 0; }

/* Gradient colors for fallback thumb */
.course-card-v2 .cc-thumb.c1{background:linear-gradient(135deg,#4e42f5,#7c6ff7)}
.course-card-v2 .cc-thumb.c2{background:linear-gradient(135deg,#7c3aed,#a855f7)}
.course-card-v2 .cc-thumb.c3{background:linear-gradient(135deg,#0284c7,#38bdf8)}
.course-card-v2 .cc-thumb.c4{background:linear-gradient(135deg,#059669,#34d399)}
.course-card-v2 .cc-thumb.c5{background:linear-gradient(135deg,#dc2626,#f87171)}
.course-card-v2 .cc-thumb.c6{background:linear-gradient(135deg,#d97706,#fbbf24)}
.course-card-v2 .cc-thumb.c7{background:linear-gradient(135deg,#0e7490,#22d3ee)}

/* ── COURSE DETAIL — hero with thumbnail ── */
.course-hero-thumb {
  width: 100%;
  padding-top: 42%;
  position: relative;
  overflow: hidden;
  background: linear-gradient(155deg, var(--p), #2e27aa);
  flex-shrink: 0;
}
.course-hero-thumb img {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center top;
}
.course-hero-thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(30,25,100,.4) 0%, rgba(20,15,80,.85) 100%);
}
.course-hero-overlay {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 16px 20px 20px;
  z-index: 2;
  color: #fff;
}
.course-hero-overlay .back-btn {
  position: absolute;
  top: -100%;
  left: 0;
}
.course-hero-back {
  display: flex; align-items: center; gap: 6px;
  color: rgba(255,255,255,.85);
  font-size: 13px; font-weight: 600;
  background: rgba(255,255,255,.15);
  border-radius: 20px;
  padding: 6px 12px 6px 8px;
  width: fit-content;
  border: none;
  cursor: pointer;
  margin-bottom: 12px;
  font-family: var(--font);
}
.course-hero-title { font-size: 21px; font-weight: 800; margin: 0 0 5px; }
.course-hero-sub   { font-size: 12.5px; opacity: .85; margin-bottom: 12px; }
.course-hero-stats { display: flex; gap: 14px; font-size: 12px; opacity: .9; }

/* ── HOME PAGE — marketing design ── */
.home-greeting {
  padding: 16px 18px 4px;
  flex-shrink: 0;
}
.home-greeting h2 {
  font-size: 22px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -.4px;
  margin: 0 0 4px;
}
.home-greeting p {
  font-size: 13.5px;
  color: var(--ts);
  margin: 0;
  line-height: 1.5;
}

/* Marketing hero banner for non-logged in */
.home-marketing-hero {
  margin: 12px 18px;
  background: linear-gradient(135deg, #1a1660, #4e42f5);
  border-radius: 20px;
  padding: 22px 20px;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.home-marketing-hero::before {
  content: "";
  position: absolute;
  right: -30px; top: -30px;
  width: 140px; height: 140px;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
}
.home-marketing-hero::after {
  content: "";
  position: absolute;
  right: 20px; bottom: -40px;
  width: 100px; height: 100px;
  border-radius: 50%;
  background: rgba(255,255,255,.05);
}
.home-marketing-hero .hm-tag {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  opacity: .75;
  margin-bottom: 8px;
}
.home-marketing-hero h3 {
  font-size: 19px;
  font-weight: 800;
  margin: 0 0 8px;
  line-height: 1.3;
  letter-spacing: -.3px;
  position: relative;
  z-index: 1;
}
.home-marketing-hero p {
  font-size: 13px;
  opacity: .85;
  margin: 0 0 16px;
  line-height: 1.5;
  position: relative;
  z-index: 1;
}
.home-marketing-hero .hm-btn {
  background: #fff;
  color: var(--p);
  border: none;
  padding: 10px 20px;
  border-radius: 12px;
  font-size: 13.5px;
  font-weight: 800;
  font-family: var(--font);
  cursor: pointer;
  position: relative;
  z-index: 1;
}

/* Stats strip */
.home-stats-strip {
  display: flex;
  margin: 0 18px 4px;
  background: var(--surf);
  border: 1px solid var(--bdr);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--sh);
}
.home-stat-item {
  flex: 1;
  padding: 14px 10px;
  text-align: center;
  border-right: 1px solid var(--bdr);
}
.home-stat-item:last-child { border-right: none; }
.home-stat-num {
  font-size: 18px;
  font-weight: 800;
  color: var(--p);
  display: block;
  letter-spacing: -.5px;
}
.home-stat-label {
  font-size: 10.5px;
  color: var(--ts);
  font-weight: 600;
  margin-top: 2px;
}

/* Feature cards */
.home-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 0 18px;
}
.home-feature-card {
  background: var(--surf);
  border: 1px solid var(--bdr);
  border-radius: 16px;
  padding: 14px;
  box-shadow: var(--sh);
}
.home-feature-card .hf-ico { font-size: 24px; margin-bottom: 8px; }
.home-feature-card .hf-title { font-size: 13px; font-weight: 700; color: var(--text); margin-bottom: 4px; }
.home-feature-card .hf-desc  { font-size: 11.5px; color: var(--ts); line-height: 1.4; }

/* ── FREE DEMO — filter fix ── */
.filter-chip { flex-shrink: 0; }
.filter-chip.chip-md {
  background: var(--purps);
  color: var(--purple);
  border-color: transparent;
}
.filter-chip.chip-md.active {
  background: var(--purple);
  color: #fff;
}