:root {
  --bg: #06080f;
  /* Glass surfaces (translucent so the aurora background shows through) */
  --surface: rgba(255,255,255,0.055);
  --surface2: rgba(255,255,255,0.06);
  --surface-solid: #11151f;
  --field-bg: rgba(0,0,0,0.26);
  --border: rgba(255,255,255,0.10);
  --border2: rgba(255,255,255,0.18);
  --text: #eaf0fb;
  --muted: #8fa0bd;
  --accent: #6ea8ff;
  --accent2: #9d7bff;
  --c3: #5ce1c4;
  --c4: #ff7ac6;
  --c5: #ffd16b;
  --ok: #5ce1a0;
  --ok-bg: rgba(92,225,160,0.14);
  --bad: #ff6b8b;
  --bad-bg: rgba(255,107,139,0.14);
  --radius: 18px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: "Segoe UI", system-ui, sans-serif;
  color: var(--text);
  min-height: 100vh;
  line-height: 1.55;
  background:
    radial-gradient(60% 50% at 12% 6%, rgba(110,168,255,0.18), transparent 60%),
    radial-gradient(55% 45% at 88% 2%, rgba(157,123,255,0.16), transparent 60%),
    radial-gradient(55% 55% at 72% 100%, rgba(92,225,196,0.10), transparent 60%),
    radial-gradient(48% 48% at 8% 100%, rgba(255,122,198,0.08), transparent 60%),
    var(--bg);
  background-attachment: fixed;
}
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-thumb { background: #1b2030; border-radius: 8px; }

.hidden { display: none !important; }

.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  padding: 12px 26px;
  border-bottom: 1px solid var(--border);
  background: rgba(8,11,20,0.7);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  position: sticky;
  top: 0;
  z-index: 10;
}

/* HUD top bar (brand + stat pills + avatar) */
.brand { display: flex; align-items: center; gap: 11px; font-weight: 800; font-size: 1.16rem; letter-spacing: -0.01em; }
.brand .mk {
  width: 38px; height: 38px; border-radius: 12px; display: grid; place-content: center; font-size: 1.2rem;
  background: linear-gradient(135deg, var(--accent), var(--accent2)); box-shadow: 0 8px 24px rgba(110,120,255,0.45);
}
.hud { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; justify-content: flex-end; }
.stat-pill {
  display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px; border-radius: 999px;
  background: var(--surface); border: 1px solid var(--border); font-weight: 700; font-size: 0.9rem; white-space: nowrap;
}
.stat-pill.flame { color: #ffd2a6; } .stat-pill.gem { color: #bfe0ff; } .stat-pill.aim { color: #bff0db; }
.stat-pill.balance-low { border-color: var(--bad); color: var(--bad); }
.avatar {
  width: 42px; height: 42px; border-radius: 14px; display: grid; place-content: center;
  font-weight: 800; color: #fff; cursor: pointer; border: 1px solid var(--border2);
  background: linear-gradient(135deg, var(--c4), var(--accent2)); font-size: 1rem;
  flex: 0 0 auto;
}
.avatar:hover { filter: brightness(1.08); }
.profile-btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 4px 12px 4px 4px; border-radius: 16px; cursor: pointer;
  background: var(--surface2); border: 1px solid var(--border); transition: all 0.18s var(--ease);
}
.profile-btn:hover { border-color: var(--border2); background: var(--surface); }
.profile-btn .profile-name { font-weight: 700; font-size: 0.92rem; color: var(--text); max-width: 160px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
@media (max-width: 640px) { .profile-btn .profile-name { display: none; } .profile-btn { padding: 4px; } }

.logo {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.user-bar { display: flex; gap: 12px; align-items: center; color: var(--muted); font-size: 0.9rem; }

.container { max-width: 1180px; margin: 0 auto; padding: 26px 26px 70px; position: relative; z-index: 1; }
.container-mid { max-width: 820px; }
.container-narrow { max-width: 520px; }
@media (max-width: 640px) { .container { padding: 22px 14px 60px; } }

.card {
  background: linear-gradient(160deg, var(--surface2), var(--surface));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  backdrop-filter: blur(22px) saturate(140%);
  -webkit-backdrop-filter: blur(22px) saturate(140%);
  box-shadow: 0 18px 50px rgba(0,0,0,0.35), inset 0 1px 0 rgba(255,255,255,0.06);
}

.card h1, .card h2 { margin-bottom: 8px; }
.subtitle { color: var(--muted); margin-bottom: 24px; font-size: 0.95rem; }
.field-hint { margin: 6px 0 0; font-size: 0.82rem; color: var(--muted); line-height: 1.45; }
.field-hint--easy { color: #8ef0b5; }
.field-hint--medium { color: #ffd978; }
.field-hint--hard { color: #ffb4ae; }

.mix-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.mix-head .mix-toggle { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 0; cursor: pointer; font-size: 0.9rem; font-weight: 400; color: var(--muted); user-select: none; }
.mix-head .mix-toggle:hover { color: var(--text); }
#ruleChecks { margin-top: 10px; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); }
.rule-check { display: flex; align-items: center; gap: 10px; padding: 10px 12px; }
.rule-check .rule-check-text { font-size: 0.92rem; }
.rule-check--on { border-color: rgba(79, 140, 255, 0.6); background: rgba(79, 140, 255, 0.08); }

.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 0.85rem; color: var(--muted); margin-bottom: 6px; font-weight: 600; }

input[type="text"], input[type="password"], input[type="number"], input[type="tel"], input[type="email"], select {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--field-bg);
  color: var(--text);
  font-size: 1rem;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
input:focus, select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(110,168,255,0.18); }
/* Keep browser autofill from repainting fields white/yellow. */
input:-webkit-autofill,
input:-webkit-autofill:hover,
input:-webkit-autofill:focus {
  -webkit-text-fill-color: var(--text);
  -webkit-box-shadow: 0 0 0 1000px var(--field-bg) inset;
  caret-color: var(--text);
  transition: background-color 9999s ease-out 0s;
}
/* Native dropdown list — force a solid (non-translucent) surface so options
   don't render washed-out grey on the glass theme. */
select option, select optgroup { background: #0f1320; color: var(--text); }
body.theme-paper select option, body.theme-paper select optgroup { background: #fffdf8; color: var(--text); }

.btn {
  padding: 12px 22px;
  border-radius: 13px;
  border: 1px solid transparent;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.12s var(--ease), box-shadow 0.15s, opacity 0.15s, border-color 0.15s, background 0.15s;
}
.btn:hover:not(:disabled) { transform: translateY(-2px); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent2)); color: #fff; box-shadow: 0 12px 30px rgba(110,120,255,0.4); }
.btn-primary:hover:not(:disabled) { box-shadow: 0 16px 38px rgba(157,123,255,0.5); }
.btn-secondary { background: var(--surface2); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover:not(:disabled) { border-color: var(--border2); }
.btn-block { width: 100%; margin-top: 8px; }

.error-msg { color: var(--bad); font-size: 0.88rem; margin-top: 8px; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.settings-row { margin-bottom: 18px; }
.settings-row .form-group { margin-bottom: 0; }
@media (max-width: 640px) { .grid-2 { grid-template-columns: 1fr; } .settings-row .form-group { margin-bottom: 18px; } .settings-row .form-group:last-child { margin-bottom: 0; } }

.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 10px;
}

.check-item {
  display: block;
  padding: 12px 14px;
  background: var(--surface2);
  border: 2px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  user-select: none;
}

.check-item:hover { border-color: rgba(79, 140, 255, 0.35); }

.check-item--unavailable {
  opacity: 0.65;
  cursor: not-allowed;
  pointer-events: none;
  border-style: dashed;
  background: transparent;
}

.check-item--unavailable:hover {
  border-color: var(--border);
}

.check-item--unavailable .check-text,
.check-item--unavailable .check-desc {
  text-decoration: line-through;
  color: var(--muted);
}

.check-item--unavailable .diff-badge {
  opacity: 0.5;
  text-decoration: line-through;
}

.check-item--disabled {
  opacity: 0.38;
  cursor: not-allowed;
  pointer-events: none;
}

.check-item:has(input:checked) {
  border-color: var(--accent);
  background: rgba(79, 140, 255, 0.1);
}

.check-item--all {
  grid-column: 1 / -1;
  background: rgba(124, 92, 255, 0.08);
  border-color: rgba(124, 92, 255, 0.25);
}

.check-item--all:has(input:checked) {
  border-color: var(--accent2);
  background: rgba(124, 92, 255, 0.16);
}

.check-item input[type="checkbox"],
.mix-toggle input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  margin: 0;
  border: 2px solid rgba(255, 255, 255, 0.22);
  border-radius: 6px;
  background: var(--surface);
  cursor: pointer;
  flex-shrink: 0;
  display: grid;
  place-content: center;
  transition: background 0.15s, border-color 0.15s;
}

.check-item input[type="checkbox"]::after,
.mix-toggle input[type="checkbox"]::after {
  content: "";
  width: 5px;
  height: 9px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg) scale(0);
  margin-top: -2px;
  transition: transform 0.12s ease;
}

.check-item input[type="checkbox"]:checked,
.mix-toggle input[type="checkbox"]:checked {
  background: var(--accent);
  border-color: var(--accent);
}

.check-item input[type="checkbox"]:checked::after,
.mix-toggle input[type="checkbox"]:checked::after {
  transform: rotate(45deg) scale(1);
}

.check-item input[type="checkbox"]:focus-visible,
.mix-toggle input[type="checkbox"]:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.check-item .check-body {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.check-title-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.check-item .check-text {
  font-size: 0.92rem;
  line-height: 1.45;
  font-weight: 600;
  flex: 1;
  min-width: 0;
}

.check-item .check-desc {
  margin: 0;
  padding-left: 30px;
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.35;
}

.check-diff {
  padding-left: 30px;
}

.training-time-est {
  margin: 0 0 14px;
  padding: 10px 14px;
  font-size: 0.86rem;
  font-weight: 400;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 10px;
  text-align: center;
}

.toggle-option {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 14px;
  margin-bottom: 14px;
  background: var(--surface2);
  border: 2px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  user-select: none;
}

.toggle-option:has(input:checked) {
  border-color: var(--accent);
  background: rgba(79, 140, 255, 0.1);
}

.toggle-option input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  margin: 2px 0 0;
  border: 2px solid rgba(255, 255, 255, 0.22);
  border-radius: 6px;
  background: var(--surface);
  cursor: pointer;
  flex-shrink: 0;
  display: grid;
  place-content: center;
  transition: background 0.15s, border-color 0.15s;
}

.toggle-option input[type="checkbox"]::after {
  content: "";
  width: 5px;
  height: 9px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg) scale(0);
  margin-top: -2px;
  transition: transform 0.12s ease;
}

.toggle-option input[type="checkbox"]:checked {
  background: var(--accent);
  border-color: var(--accent);
}

.toggle-option input[type="checkbox"]:checked::after {
  transform: rotate(45deg) scale(1);
}

.toggle-option input[type="checkbox"]:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.toggle-option-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
  margin: 0;
  font-weight: 400;
}

.toggle-option-title {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--text);
  line-height: 1.4;
}

.toggle-option-hint {
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.35;
  font-weight: 400;
}

.task-hint {
  margin: 0 0 12px;
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.45;
}

.q-sentence--wrong {
  color: var(--bad);
  margin-bottom: 12px;
}

.rule-panel {
  margin: 20px 0 4px;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(124, 92, 255, 0.32);
  background: linear-gradient(145deg, rgba(124, 92, 255, 0.12) 0%, rgba(79, 140, 255, 0.06) 100%);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.18);
}

.rule-panel-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: rgba(124, 92, 255, 0.16);
  border-bottom: 1px solid rgba(124, 92, 255, 0.22);
}

.rule-panel-icon {
  font-size: 1.35rem;
  line-height: 1;
  flex-shrink: 0;
}

.rule-panel-head-text {
  min-width: 0;
}

.rule-panel-head-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: #ece6ff;
  line-height: 1.35;
}

.rule-panel-head-sub {
  margin-top: 2px;
  font-size: 0.74rem;
  color: rgba(203, 184, 255, 0.75);
  line-height: 1.3;
}

.rule-panel-body {
  padding: 6px 16px 12px;
}

.rule-panel-row {
  display: grid;
  grid-template-columns: minmax(72px, 92px) 1fr;
  gap: 8px 14px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  align-items: start;
}

.rule-panel-row:last-child {
  border-bottom: none;
  padding-bottom: 4px;
}

.rule-panel-row-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: #b8a4ff;
  line-height: 1.45;
  padding-top: 1px;
}

.rule-panel-row-text {
  font-size: 0.86rem;
  color: var(--text);
  line-height: 1.5;
}

.rule-panel-row-text strong {
  color: #fff;
  font-weight: 600;
}

.rule-panel-row-text em {
  color: #a8c4ff;
  font-style: normal;
}

.rule-panel-fallback {
  margin: 8px 0 4px;
  font-size: 0.86rem;
  color: var(--muted);
  line-height: 1.5;
}

@media (max-width: 480px) {
  .rule-panel-row {
    grid-template-columns: 1fr;
    gap: 4px;
    padding: 8px 0;
  }
}

.diff-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  line-height: 1.4;
  white-space: nowrap;
}

.diff-badge--easy {
  color: #8ef0b5;
  background: rgba(46, 204, 113, 0.16);
  border: 1px solid rgba(46, 204, 113, 0.35);
}

.diff-badge--medium {
  color: #ffd978;
  background: rgba(240, 180, 41, 0.16);
  border: 1px solid rgba(240, 180, 41, 0.35);
}

.diff-badge--hard {
  color: #ffb4ae;
  background: rgba(255, 123, 114, 0.16);
  border: 1px solid rgba(255, 123, 114, 0.35);
}

.diff-badge--mix {
  color: #cbb8ff;
  background: rgba(167, 139, 250, 0.16);
  border: 1px solid rgba(167, 139, 250, 0.35);
}

.check-item--easy:not(.check-item--all):has(input:checked) {
  border-color: rgba(46, 204, 113, 0.55);
  background: rgba(46, 204, 113, 0.08);
}

.check-item--medium:has(input:checked) {
  border-color: rgba(240, 180, 41, 0.55);
  background: rgba(240, 180, 41, 0.08);
}

.check-item--hard:has(input:checked) {
  border-color: rgba(255, 123, 114, 0.55);
  background: rgba(255, 123, 114, 0.08);
}

select#ruleSelect {
  font-size: 0.95rem;
  padding: 13px 16px;
  cursor: pointer;
}

select#ruleSelect option {
  padding: 8px;
  background: #0f1320;
  color: var(--text);
}

.range-row { display: flex; align-items: center; gap: 14px; }
.range-row input[type="range"] { flex: 1; accent-color: var(--accent); }
.range-val { font-size: 1.4rem; font-weight: 700; color: var(--accent); min-width: 48px; text-align: center; }

.reports-section { margin-top: 32px; }
.reports-section h2 { font-size: 1.1rem; margin-bottom: 14px; }

.report-filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.report-chip {
  padding: 7px 14px; border-radius: 999px; cursor: pointer;
  background: var(--surface2); border: 1px solid var(--border); color: var(--muted);
  font-size: 0.82rem; font-weight: 600; transition: all 0.18s var(--ease);
}
.report-chip:hover { color: var(--text); border-color: var(--border2); }
.report-chip.on { background: linear-gradient(135deg, var(--accent), var(--accent2)); color: #fff; border-color: transparent; }
.report-more-wrap { display: flex; justify-content: center; margin-top: 14px; }

.report-list { display: flex; flex-direction: column; gap: 10px; }

.report-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  padding: 14px 16px;
  background: var(--surface2);
  border-radius: 10px;
  border: 1px solid var(--border);
  align-items: center;
}
.report-item .meta { font-size: 0.82rem; color: var(--muted); }
.report-item .score { font-size: 1.2rem; font-weight: 700; }
.report-item .score.good { color: var(--ok); }
.report-item .score.mid { color: #f1c40f; }
.report-item .score.bad { color: var(--bad); }

.empty-reports { color: var(--muted); font-size: 0.9rem; padding: 20px; text-align: center; background: var(--surface2); border-radius: 10px; }

/* Trainer */
.trainer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 10px;
}

.progress-wrap { background: var(--surface2); border-radius: 999px; height: 8px; overflow: hidden; margin-bottom: 6px; }
.progress-bar { height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent2)); transition: width 0.3s; width: 0; }

.q-meta { font-size: 0.82rem; color: var(--muted); margin-bottom: 14px; }
.q-type {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-left: 8px;
  border: 1px solid transparent;
}
.q-type--easy { background: rgba(46, 204, 113, 0.12); color: #5ddea8; border-color: rgba(46, 204, 113, 0.28); }
.q-type--medium { background: rgba(240, 180, 41, 0.12); color: #f0c84d; border-color: rgba(240, 180, 41, 0.28); }
.q-type--hard { background: rgba(255, 123, 114, 0.12); color: #ff9b93; border-color: rgba(255, 123, 114, 0.28); }

.task-action-hint {
  margin: 12px 0 8px;
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.45;
}

.q-sentence--translate {
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 4px;
}

.q-meaning-hint {
  display: flex;
  align-items: baseline;
  gap: 10px;
  background: rgba(79, 140, 255, 0.1);
  border: 1px solid rgba(79, 140, 255, 0.28);
  border-radius: 10px;
  padding: 12px 14px;
  margin-bottom: 16px;
  font-size: 1.12rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text);
}
.q-meaning-label {
  flex-shrink: 0;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(79, 140, 255, 0.16);
  border-radius: 6px;
  padding: 3px 8px;
}

.q-prompt { font-size: 1.2rem; font-weight: 600; margin-bottom: 16px; line-height: 1.6; }
.q-sentence { padding: 14px; background: var(--surface2); border-radius: 10px; margin-bottom: 16px; font-size: 1.05rem; }
.blank { color: var(--accent); border-bottom: 2px dashed var(--accent); padding: 0 4px; }

.options { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 16px; }
.opt-btn {
  flex: 1 1 calc(50% - 10px);
  min-width: 120px;
  padding: 12px;
  border: 2px solid var(--border);
  border-radius: 10px;
  background: var(--surface2);
  color: var(--text);
  cursor: pointer;
  font-size: 0.95rem;
  transition: all 0.15s;
}
.opt-btn:hover:not(:disabled) { border-color: var(--accent); }
.opt-btn.selected { border-color: var(--accent); background: rgba(79,140,255,0.15); }
.opt-btn.correct { border-color: var(--ok); background: var(--ok-bg); }
.opt-btn.wrong { border-color: var(--bad); background: var(--bad-bg); }

.word-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; min-height: 44px; padding: 10px; background: var(--surface2); border-radius: 10px; }
.chip {
  padding: 8px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  user-select: none;
}
.chip.used { opacity: 0.35; pointer-events: none; }
.answer-area { min-height: 44px; padding: 10px; border: 2px dashed var(--border); border-radius: 10px; margin-bottom: 16px; display: flex; flex-wrap: wrap; gap: 8px; }

.feedback { margin: 16px 0; padding: 16px; border-radius: 10px; display: none; }
.feedback.show { display: block; }
.feedback + .rule-panel { margin-top: 4px; }
.feedback.ok { background: var(--ok-bg); border: 1px solid rgba(46,204,113,0.35); }
.feedback.bad { background: var(--bad-bg); border: 1px solid rgba(255,107,107,0.35); }
.feedback-title { font-weight: 700; margin-bottom: 8px; }
.feedback.ok .feedback-title { color: var(--ok); }
.feedback.bad .feedback-title { color: var(--bad); }

.feedback-gloss {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}
.feedback-gloss-title {
  font-weight: 700;
  font-size: 0.92rem;
  margin-bottom: 10px;
  color: var(--text);
}
.feedback-gloss-row {
  display: grid;
  grid-template-columns: 72px 1fr auto 1fr;
  gap: 8px 10px;
  align-items: start;
  font-size: 0.9rem;
  line-height: 1.45;
  margin-bottom: 8px;
}
.feedback-gloss-row:last-child { margin-bottom: 0; }
.feedback-gloss-label {
  color: var(--muted);
  font-size: 0.82rem;
  padding-top: 1px;
}
.feedback-gloss-en { color: var(--text); }
.feedback-gloss-arrow { color: var(--muted); padding-top: 1px; }
.feedback-gloss-ru { color: #c8b6ff; font-weight: 500; }

@media (max-width: 640px) {
  .feedback-gloss-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }
  .feedback-gloss-arrow { display: none; }
}

.trainer-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 8px; }

.finish-card { text-align: center; padding: 40px 20px; }
.finish-score { font-size: 2.5rem; font-weight: 800; margin: 16px 0; }
.finish-score.good { color: var(--ok); }
.finish-score.mid { color: #f1c40f; }
.finish-score.bad { color: var(--bad); }

.login-wrap { max-width: 420px; margin: 60px auto; }

.btn-theme { font-weight: 600; font-size: 0.85rem; padding: 9px 14px; }

/* =====================================================================
   Alternative "Paper" theme — a warm, light academic look.
   Toggled from the header (body.theme-paper). Most components read CSS
   variables, so we re-map the palette and patch the few hard-coded spots.
   ===================================================================== */
body.theme-paper {
  --bg: #ece3d2;
  --surface: #fffefa;
  --surface2: #f4ecdd;
  --surface-solid: #fffefa;
  --field-bg: #fffdf8;
  --border: rgba(74, 55, 35, 0.16);
  --border2: rgba(74, 55, 35, 0.3);
  --text: #2c2823;
  --muted: #897c66;
  --accent: #c2620c;
  --accent2: #9c3d12;
  --ok: #2f9e54;
  --ok-bg: rgba(47, 158, 84, 0.16);
  --bad: #cf402b;
  --bad-bg: rgba(207, 64, 43, 0.12);
  background: radial-gradient(ellipse at top, #fbf6ec 0%, var(--bg) 62%);
  background-attachment: fixed;
  color: var(--text);
}

body.theme-paper .app-header {
  background: rgba(255, 254, 250, 0.9);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

/* Solid (non-glass) surfaces on the light paper theme */
body.theme-paper .card,
body.theme-paper .trainer-nav-card {
  background: var(--surface);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  box-shadow: 0 14px 38px rgba(86, 64, 33, 0.12);
}
body.theme-paper .trainer-nav-card::after { display: none; }

/* Custom checkboxes: visible outline on light paper */
body.theme-paper .check-item input[type="checkbox"],
body.theme-paper .toggle-option input[type="checkbox"],
body.theme-paper .mix-toggle input[type="checkbox"] {
  border-color: rgba(74, 55, 35, 0.3);
  background: #fff;
}

/* Rule panel: amber tint instead of violet */
body.theme-paper .rule-panel {
  border-color: rgba(194, 98, 12, 0.35);
  background: linear-gradient(145deg, rgba(194, 98, 12, 0.12) 0%, rgba(156, 61, 18, 0.05) 100%);
  box-shadow: 0 4px 18px rgba(86, 64, 33, 0.1);
}
body.theme-paper .rule-panel-head {
  background: rgba(194, 98, 12, 0.14);
  border-bottom: 1px solid rgba(194, 98, 12, 0.22);
}
body.theme-paper .rule-panel-head-title { color: #5a3410; }
body.theme-paper .rule-panel-head-sub { color: rgba(120, 80, 40, 0.85); }
body.theme-paper .rule-panel-row { border-bottom-color: rgba(74, 55, 35, 0.1); }
body.theme-paper .rule-panel-row-label { color: var(--accent2); }
body.theme-paper .rule-panel-row-text strong { color: #1c1916; }
body.theme-paper .rule-panel-row-text em { color: var(--accent); }

/* Feedback gloss */
body.theme-paper .feedback-gloss { border-top-color: rgba(74, 55, 35, 0.14); }
body.theme-paper .feedback-gloss-ru { color: var(--accent2); }

/* Difficulty hint colors (darker for contrast on light bg) */
body.theme-paper .field-hint--easy { color: #1d7a44; }
body.theme-paper .field-hint--medium { color: #9a6b00; }
body.theme-paper .field-hint--hard { color: #b23a2c; }

/* Difficulty badges */
body.theme-paper .diff-badge--easy { color: #1d7a44; background: rgba(46, 204, 113, 0.14); border-color: rgba(46, 204, 113, 0.4); }
body.theme-paper .diff-badge--medium { color: #9a6b00; background: rgba(240, 180, 41, 0.16); border-color: rgba(240, 180, 41, 0.45); }
body.theme-paper .diff-badge--hard { color: #b23a2c; background: rgba(255, 123, 114, 0.16); border-color: rgba(255, 123, 114, 0.45); }
body.theme-paper .diff-badge--mix { color: #6b4ba8; background: rgba(124, 92, 255, 0.14); border-color: rgba(124, 92, 255, 0.4); }

/* Question type chips */
body.theme-paper .q-type--easy { color: #1d7a44; background: rgba(46, 204, 113, 0.12); border-color: rgba(46, 204, 113, 0.3); }
body.theme-paper .q-type--medium { color: #9a6b00; background: rgba(240, 180, 41, 0.14); border-color: rgba(240, 180, 41, 0.32); }
body.theme-paper .q-type--hard { color: #b23a2c; background: rgba(255, 123, 114, 0.14); border-color: rgba(255, 123, 114, 0.32); }

/* Selected option / type-card tints */
body.theme-paper .opt-btn.selected { background: rgba(194, 98, 12, 0.12); }
body.theme-paper .check-item:has(input:checked) { background: rgba(194, 98, 12, 0.08); }
body.theme-paper .toggle-option:has(input:checked) { background: rgba(194, 98, 12, 0.08); }
body.theme-paper .check-item--easy:not(.check-item--all):has(input:checked) { border-color: rgba(46, 204, 113, 0.6); background: rgba(46, 204, 113, 0.1); }
body.theme-paper .check-item--medium:has(input:checked) { border-color: rgba(240, 180, 41, 0.65); background: rgba(240, 180, 41, 0.12); }
body.theme-paper .check-item--hard:has(input:checked) { border-color: rgba(255, 123, 114, 0.6); background: rgba(255, 123, 114, 0.1); }

body.theme-paper .finish-score.mid { color: #b8860b; }

/* ===== Home hero (Aurora) ===== */
.home-hero { display: grid; grid-template-columns: 1.4fr 1fr; gap: 18px; margin-bottom: 22px; }
.hero-greet { position: relative; overflow: hidden; display: flex; flex-direction: column; justify-content: center; }
.hero-eyebrow { font-size: 0.78rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--c3); font-weight: 700; }
.hero-greet h1 { font-size: clamp(1.6rem, 3.2vw, 2.2rem); letter-spacing: -0.02em; margin: 10px 0 6px; line-height: 1.12; }
.hero-sub { color: var(--muted); margin-bottom: 22px; max-width: 46ch; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-ring-card { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 16px; }
.hero-rings { display: flex; align-items: center; justify-content: center; gap: 26px; flex-wrap: wrap; }
.hero-ring {
  width: 130px; height: 130px; border-radius: 50%; display: grid; place-content: center; position: relative;
  background: conic-gradient(var(--accent2) calc(var(--p, 0) * 1%), rgba(255,255,255,0.08) 0);
}
.hero-ring-topics { background: conic-gradient(var(--c3) calc(var(--p, 0) * 1%), rgba(255,255,255,0.08) 0); }
.hero-ring::before { content: ""; position: absolute; inset: 12px; border-radius: 50%; background: rgba(10,14,24,0.9); }
body.theme-paper .hero-ring::before { background: var(--surface); }
.hero-ring-inner { position: relative; z-index: 1; text-align: center; }
.hero-ring-val { font-size: 1.5rem; font-weight: 800; line-height: 1; }
.hero-ring-lbl { font-size: 0.68rem; color: var(--muted); letter-spacing: 0.05em; text-transform: uppercase; margin-top: 4px; }
.hero-mini { display: flex; gap: 26px; margin-top: 20px; }
.hero-mini-item { display: flex; flex-direction: column; align-items: flex-start; gap: 2px; font-weight: 800; font-size: 1.05rem; }
.hero-mini-item small { font-weight: 500; font-size: 0.74rem; color: var(--muted); }
@media (max-width: 720px) { .home-hero { grid-template-columns: 1fr; } }

/* ===== Section label ===== */
.section-label { display: flex; align-items: center; justify-content: space-between; margin: 26px 4px 14px; }
.section-label h2 { font-size: 1.12rem; letter-spacing: -0.01em; margin: 0; }
.section-label a { color: var(--muted); font-size: 0.88rem; }
.section-label a:hover { color: var(--text); }

/* ===== Bento trainers grid ===== */
.bento { display: grid; grid-template-columns: repeat(6, 1fr); grid-auto-rows: 150px; gap: 16px; }
.tile {
  position: relative; overflow: hidden; padding: 22px; cursor: pointer;
  display: flex; flex-direction: column; justify-content: space-between; gap: 12px;
  text-align: left; color: var(--text);
  background: linear-gradient(160deg, var(--surface2), var(--surface));
  border: 1px solid var(--border); border-radius: var(--radius);
  backdrop-filter: blur(18px) saturate(140%); -webkit-backdrop-filter: blur(18px) saturate(140%);
  box-shadow: 0 14px 34px rgba(0,0,0,0.3);
  transition: transform 0.2s var(--ease), border-color 0.2s, box-shadow 0.2s;
}
.tile:hover { transform: translateY(-5px); border-color: var(--border2); box-shadow: 0 24px 60px rgba(0,0,0,0.5); }
.tile .ic {
  width: 50px; height: 50px; border-radius: 15px; display: grid; place-content: center;
  font-size: 1.5rem; border: 1px solid var(--border); position: relative; z-index: 1;
}
.tile .tile-text { position: relative; z-index: 1; }
.tile h3 { font-size: 1.1rem; letter-spacing: -0.01em; margin: 0 0 2px; }
.tile p { color: var(--muted); font-size: 0.9rem; margin: 0; }
.tile .glow { position: absolute; width: 180px; height: 180px; border-radius: 50%; filter: blur(50px); opacity: 0.5; right: -50px; top: -50px; transition: opacity 0.2s; }
.tile:hover .glow { opacity: 0.85; }
.tile .chip-mini { align-self: flex-start; font-size: 0.72rem; font-weight: 700; padding: 3px 10px; border-radius: 999px; background: rgba(255,255,255,0.08); border: 1px solid var(--border); position: relative; z-index: 1; }
.t-mid { grid-column: span 2; }
.tile.feature { grid-column: span 4; background: linear-gradient(135deg, rgba(110,168,255,0.16), rgba(157,123,255,0.1)); border-color: var(--border2); }
.tile.feature .big { font-size: 1.45rem; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 2px; }
.tile .trainer-nav-badge { top: 16px; right: 16px; }

.ic.g1 { background: linear-gradient(135deg, rgba(110,168,255,0.3), rgba(157,123,255,0.2)); color: #bcd4ff; }
.ic.g2 { background: linear-gradient(135deg, rgba(92,225,196,0.28), rgba(110,168,255,0.18)); color: #a9f0e0; }
.ic.g3 { background: linear-gradient(135deg, rgba(255,209,107,0.28), rgba(255,122,198,0.18)); color: #ffe2ad; }
.ic.g4 { background: linear-gradient(135deg, rgba(255,122,198,0.3), rgba(157,123,255,0.2)); color: #ffc9e8; }
.ic.g5 { background: linear-gradient(135deg, rgba(157,123,255,0.3), rgba(110,168,255,0.2)); color: #d6c9ff; }
.ic.g6 { background: linear-gradient(135deg, rgba(92,225,196,0.3), rgba(255,209,107,0.18)); color: #c7f3cf; }
.glow.b1 { background: var(--accent); } .glow.b2 { background: var(--c3); } .glow.b3 { background: var(--c5); }
.glow.b4 { background: var(--c4); } .glow.b5 { background: var(--accent2); } .glow.b6 { background: var(--c3); }

@media (max-width: 980px) {
  .bento { grid-template-columns: repeat(2, 1fr); grid-auto-rows: auto; }
  .t-mid, .tile.feature { grid-column: auto; }
}
@media (max-width: 560px) { .bento { grid-template-columns: 1fr; } }

body.theme-paper .tile { background: var(--surface); backdrop-filter: none; -webkit-backdrop-filter: none; box-shadow: 0 14px 38px rgba(86,64,33,0.12); }
body.theme-paper .tile.feature { background: linear-gradient(135deg, rgba(194,98,12,0.12), rgba(156,61,18,0.06)); }
body.theme-paper .tile .glow { display: none; }

/* ===== Home trainer nav cards (review / irregular) ===== */
.trainer-nav { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 14px; margin-bottom: 20px; }
.trainer-nav-card {
  position: relative;
  display: flex; align-items: center; gap: 14px;
  text-align: left; cursor: pointer;
  padding: 20px 22px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(160deg, var(--surface2), var(--surface));
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  color: var(--text);
  box-shadow: 0 14px 34px rgba(0,0,0,0.3);
  transition: transform 0.18s var(--ease), border-color 0.18s, box-shadow 0.18s;
  overflow: hidden;
}
.trainer-nav-card::after {
  content: ""; position: absolute; right: -40px; top: -40px;
  width: 150px; height: 150px; border-radius: 50%;
  background: var(--accent); filter: blur(50px); opacity: 0.18; transition: opacity 0.18s;
}
.trainer-nav-card:hover { transform: translateY(-4px); border-color: var(--border2); box-shadow: 0 24px 56px rgba(0,0,0,0.45); }
.trainer-nav-card:hover::after { opacity: 0.4; }
.trainer-nav-icon { font-size: 1.9rem; line-height: 1; position: relative; z-index: 1; }
.trainer-nav-text { position: relative; z-index: 1; }
.trainer-nav-text { display: flex; flex-direction: column; gap: 3px; }
.trainer-nav-title { font-weight: 700; font-size: 1.05rem; }
.trainer-nav-sub { font-size: 0.82rem; color: var(--muted); }
.trainer-nav-badge {
  position: absolute; top: 12px; right: 14px;
  min-width: 22px; height: 22px; padding: 0 7px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 11px; font-size: 0.78rem; font-weight: 700;
  background: var(--accent); color: #fff;
}
@media (max-width: 560px) { .trainer-nav { grid-template-columns: 1fr; } }

/* ===== Shared page head ===== */
.page-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 6px; }
.page-head h1 { margin-bottom: 0; }

/* ===== Review summary ===== */
.review-summary { margin: 4px 0 18px; }
.review-due-line { font-size: 0.95rem; margin-bottom: 12px; }
.review-due-line b { color: var(--accent); }
.review-rule-list { display: flex; flex-direction: column; gap: 6px; }
.review-rule-row {
  display: flex; justify-content: space-between; gap: 12px;
  padding: 9px 12px; border-radius: 10px;
  background: var(--surface2); border: 1px solid var(--border);
  font-size: 0.9rem;
}
.review-rule-counts { color: var(--muted); white-space: nowrap; }
.review-rule-counts b { color: var(--accent); }

/* ===== Irregular verbs trainer ===== */
.irr-prompt { display: flex; flex-direction: column; align-items: center; gap: 4px; margin: 8px 0 4px; text-align: center; }
.irr-base { font-size: 2rem; font-weight: 800; letter-spacing: 0.5px; }
.irr-ru { font-size: 1rem; color: var(--muted); }
.irr-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 520px) { .irr-fields { grid-template-columns: 1fr; } }
.irr-forms {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px;
  margin-top: 8px;
}
.irr-form-cell {
  display: flex; flex-direction: column; gap: 3px;
  padding: 10px; border-radius: 10px;
  background: rgba(255,255,255,0.05); border: 1px solid var(--border);
  font-weight: 700; text-align: center;
}
.irr-form-cell small { font-weight: 500; color: var(--muted); font-size: 0.72rem; }
.irr-ru-fb { margin-top: 8px; color: var(--muted); text-align: center; font-size: 0.9rem; }
.opt-btn.opt-wrong { border-color: var(--bad); background: var(--bad-bg); }

/* ===== Questions trainer — "mark the correct" ===== */
.mark-list { display: flex; flex-direction: column; gap: 10px; margin-top: 6px; }
.mark-item {
  display: flex; align-items: center; gap: 12px;
  padding: 13px 16px; border-radius: 10px;
  background: var(--surface2); border: 2px solid var(--border);
  cursor: pointer; transition: border-color 0.12s ease, background 0.12s ease;
}
.mark-item:hover { border-color: rgba(79,140,255,0.45); }
.mark-item:has(input:checked) { border-color: var(--accent); background: rgba(79,140,255,0.1); }
.mark-item input { width: 18px; height: 18px; flex: 0 0 auto; cursor: pointer; }
.mark-text { font-size: 1.02rem; }

.mark-fb { display: flex; flex-direction: column; gap: 8px; margin-top: 6px; }
.mark-fb-row {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px; border-radius: 9px;
  border: 1px solid var(--border);
}
.mark-fb-row.ok { background: var(--ok-bg); border-color: rgba(46,204,113,0.4); }
.mark-fb-row.bad { background: var(--bad-bg); border-color: rgba(255,107,107,0.4); }
.mark-fb-icon { font-size: 1.05rem; flex: 0 0 auto; }
.mark-fb-body { display: flex; flex-direction: column; gap: 2px; flex: 1 1 auto; }
.mark-fb-text { font-weight: 600; }
.mark-fb-fix { font-size: 0.88rem; color: #8ef0b5; }
.mark-fb-you { font-size: 0.74rem; color: var(--muted); white-space: nowrap; }

/* Difficulty level selector (questions trainer) */
.level-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; }
.level-card {
  display: flex; flex-direction: column; gap: 4px; text-align: left;
  padding: 12px 14px; border-radius: 12px; cursor: pointer;
  background: var(--surface2); border: 2px solid var(--border); color: var(--text);
  transition: border-color .15s, background .15s, transform .05s;
}
.level-card:hover { border-color: var(--accent); }
.level-card:active { transform: scale(0.99); }
.level-card--on { border-color: var(--accent); background: rgba(79,140,255,0.12); }
.level-card-title { font-weight: 700; font-size: 0.98rem; display: flex; align-items: center; gap: 6px; }
.level-card-badge {
  font-size: 0.66rem; font-weight: 700; letter-spacing: .04em;
  padding: 1px 6px; border-radius: 999px; color: #cdd9ff;
  background: rgba(124,92,255,0.22);
}
.level-card-desc { font-size: 0.8rem; color: var(--muted); line-height: 1.3; }

/* Gamification — header chip */
.profile-chip {
  display: inline-flex; align-items: center; gap: 8px; cursor: pointer;
  padding: 6px 12px; border-radius: 999px; color: var(--text);
  background: var(--surface2); border: 1px solid var(--border);
  font-weight: 600; font-size: 0.85rem; transition: border-color .15s, background .15s;
}
.profile-chip:hover { border-color: var(--accent); }
.chip-stat { white-space: nowrap; }

/* Gamification — profile page */
.profile-section-title { margin: 22px 0 12px; font-size: 1.15rem; }
.profile-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; }
.pstat {
  background: var(--surface2); border: 1px solid var(--border); border-radius: 14px;
  padding: 16px; text-align: center;
}
.pstat-val { font-size: 1.5rem; font-weight: 800; }
.pstat-label { font-size: 0.8rem; color: var(--muted); margin-top: 4px; }

.badge-group { margin-bottom: 18px; }
.badge-group-title { font-size: 0.98rem; margin: 0 0 10px; color: var(--muted); font-weight: 700; }
.badge-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 10px; }
.badge {
  display: flex; flex-direction: column; align-items: center; gap: 6px; text-align: center;
  padding: 14px 10px; border-radius: 14px; border: 2px solid var(--border); background: var(--surface2);
}
.badge--off { opacity: 0.5; filter: grayscale(0.6); }
.badge--on { border-color: var(--accent2); background: rgba(124,92,255,0.12); opacity: 1; filter: none; }
.badge-icon { font-size: 1.7rem; line-height: 1; }
.badge-title { font-size: 0.82rem; font-weight: 700; line-height: 1.25; }
.badge-prog { width: 100%; height: 6px; border-radius: 999px; background: rgba(255,255,255,0.1); overflow: hidden; }
.badge-prog-bar { height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent2)); }
.badge-prog-text { font-size: 0.72rem; color: var(--muted); }
.badge--on .badge-prog-text { color: #8ef0b5; }

/* Gamification — new badge celebration on the report screen */
.new-badges {
  margin-top: 20px; padding: 16px; border-radius: 14px;
  background: rgba(124,92,255,0.12); border: 1px solid var(--accent2);
}
.new-badges-title { font-weight: 800; margin-bottom: 12px; }
.new-badges-row { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.new-badge {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  padding: 10px 14px; border-radius: 12px; background: var(--surface2); border: 1px solid var(--border);
}
.nb-icon { font-size: 1.6rem; }
.nb-title { font-size: 0.8rem; font-weight: 700; }

/* Balance chip */
.balance-chip {
  display: inline-flex; align-items: center; padding: 6px 12px; border-radius: 999px;
  background: var(--surface2); border: 1px solid var(--border); font-weight: 600; font-size: 0.85rem;
}
.balance-chip.balance-low { border-color: var(--bad); color: var(--bad); }

/* ---------- Teacher cabinet ---------- */
.teacher-layout { display: grid; grid-template-columns: minmax(200px, 280px) 1fr; gap: 18px; align-items: start; }
.teacher-students { display: flex; flex-direction: column; gap: 8px; }
.student-row {
  display: flex; flex-direction: column; gap: 2px; text-align: left; cursor: pointer;
  padding: 10px 12px; border-radius: 12px; background: var(--surface2);
  border: 2px solid var(--border); color: var(--text);
}
.student-row:hover { border-color: var(--accent); }
.student-row--on { border-color: var(--accent); background: rgba(79,140,255,0.12); }
.student-name { font-weight: 700; }
.student-meta { font-size: 0.78rem; color: var(--muted); }
.teacher-detail { background: var(--surface2); border: 1px solid var(--border); border-radius: 14px; padding: 18px; }
.sd-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.sd-head h2 { margin: 0; }
.sd-bal { font-weight: 700; }
.sd-stats { display: flex; flex-wrap: wrap; gap: 14px; color: var(--muted); font-size: 0.88rem; margin: 10px 0 4px; }
.sd-title { font-size: 1rem; margin: 18px 0 10px; }
.sd-save-row { display: flex; align-items: center; gap: 12px; margin-top: 12px; }
.perm-saved { color: #8ef0b5; font-size: 0.85rem; }

.terr-row { display: grid; grid-template-columns: 1fr 2fr auto; gap: 10px; align-items: center; margin-bottom: 6px; font-size: 0.85rem; }
.terr-name { color: var(--text); }
.terr-bar { height: 8px; border-radius: 999px; background: rgba(255,255,255,0.1); overflow: hidden; }
.terr-fill { height: 100%; background: linear-gradient(90deg, #f0b429, var(--bad)); }
.terr-val { color: var(--muted); white-space: nowrap; }

.act-graph { display: flex; align-items: flex-end; gap: 2px; height: 70px; padding: 4px; background: rgba(255,255,255,0.03); border-radius: 10px; }
.act-bar { flex: 1 1 0; height: 100%; display: flex; align-items: flex-end; }
.act-fill { width: 100%; border-radius: 3px 3px 0 0; background: linear-gradient(180deg, var(--accent), var(--accent2)); min-height: 0; }

.perm-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 6px 14px; }
.perm-item { display: flex; align-items: center; gap: 8px; font-size: 0.9rem; cursor: pointer; padding: 4px 0; }

/* ---------- School admin ---------- */
.assign-list { display: flex; flex-direction: column; gap: 8px; }
.assign-row { display: grid; grid-template-columns: 1fr minmax(160px, 240px); gap: 12px; align-items: center; padding: 8px 12px; background: var(--surface2); border: 1px solid var(--border); border-radius: 10px; }
.assign-name { font-weight: 600; }

/* ---------- Superadmin ---------- */
.admin-create { margin-bottom: 16px; }
.admin-create-row { display: flex; flex-wrap: wrap; gap: 8px; }
.admin-create-row input, .admin-create-row select { width: auto; flex: 1 1 140px; }
.admin-create-row .btn { flex: 0 0 auto; }
.admin-users-head, .admin-user {
  display: grid; grid-template-columns: 1.3fr 1.1fr 1.1fr 0.6fr auto auto; gap: 10px; align-items: center;
}
.admin-users-head { font-size: 0.76rem; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; padding: 4px 8px; }
.admin-user { padding: 8px; background: var(--surface2); border: 1px solid var(--border); border-radius: 10px; margin-bottom: 6px; }
.au-login { font-weight: 700; overflow: hidden; text-overflow: ellipsis; }
.au-bal { text-align: center; font-weight: 600; }
.au-btn { padding: 6px 10px; font-size: 0.8rem; }
.au-del { color: var(--bad); }

.reading-passage {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: 10px;
  padding: 14px 16px;
  margin: 4px 0 16px;
  font-size: 1.05rem;
  line-height: 1.6;
}

.admin-school-list { display: flex; flex-direction: column; gap: 6px; margin-top: 10px; }
.admin-school { display: grid; grid-template-columns: 1fr auto auto; gap: 10px; align-items: center; padding: 8px 12px; background: var(--surface2); border: 1px solid var(--border); border-radius: 10px; }
.as-name { font-weight: 700; }

@media (max-width: 640px) {
  .teacher-layout { grid-template-columns: 1fr; }
  .admin-users-head { display: none; }
  .admin-user { grid-template-columns: 1fr 1fr; }
}

/* =====================================================================
   Aurora component library — profile, result, panels, charts
   ===================================================================== */
.btn-sm { padding: 8px 14px; font-size: 0.84rem; border-radius: 11px; }
.eyebrow { font-size: 0.78rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--c3); font-weight: 700; }

/* Profile hero */
.pf-hero { display: grid; grid-template-columns: 1.55fr 1fr; gap: 18px; margin-bottom: 4px; }
.pf-id { display: flex; align-items: center; gap: 22px; }
.pf-avatar {
  width: 84px; height: 84px; border-radius: 24px; display: grid; place-content: center; flex-shrink: 0;
  font-size: 2.2rem; font-weight: 800; color: #fff; border: 1px solid var(--border2);
  background: linear-gradient(135deg, var(--c4), var(--accent2));
}
.pf-id h1 { margin: 6px 0 4px; font-size: 1.7rem; }
.pf-id p { margin: 0; color: var(--muted); font-size: 0.92rem; }
.pf-ring-card { display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; gap: 6px; }
.pf-ring {
  width: 132px; height: 132px; border-radius: 50%; display: grid; place-content: center; position: relative;
  background: conic-gradient(var(--accent2) calc(var(--p,0) * 1%), rgba(255,255,255,0.08) 0);
}
.pf-ring::before { content: ""; position: absolute; inset: 12px; border-radius: 50%; background: rgba(10,14,24,0.92); }
body.theme-paper .pf-ring::before { background: var(--surface-solid); }
.pf-ring .inner { position: relative; z-index: 1; }
.pf-ring .lvl { font-size: 1.8rem; font-weight: 800; line-height: 1; }
.pf-ring .lbl { font-size: 0.72rem; color: var(--muted); letter-spacing: 0.08em; text-transform: uppercase; margin-top: 3px; }
.pf-ring-card .xp { font-weight: 700; font-size: 0.95rem; }
.pf-ring-card .sub { color: var(--muted); font-size: 0.88rem; }

/* Stats grid */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.stat-card {
  padding: 20px; text-align: left; border-radius: var(--radius);
  background: linear-gradient(160deg, var(--surface2), var(--surface)); border: 1px solid var(--border);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
}
.stat-card .ic { width: 42px; height: 42px; border-radius: 12px; display: grid; place-content: center; font-size: 1.2rem; margin-bottom: 12px; background: rgba(255,255,255,0.05); border: 1px solid var(--border); }
.stat-card .n { font-size: 1.8rem; font-weight: 800; line-height: 1; }
.stat-card .l { font-size: 0.82rem; color: var(--muted); margin-top: 4px; }

/* Panels + weekly chart + accuracy bars */
.grid-bottom { display: grid; grid-template-columns: 1.3fr 1fr; gap: 18px; }
.panel {
  padding: 24px; border-radius: var(--radius);
  background: linear-gradient(160deg, var(--surface2), var(--surface)); border: 1px solid var(--border);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
}
.panel h3 { font-size: 1.05rem; margin-bottom: 16px; display: flex; align-items: center; gap: 9px; }
.week { display: flex; align-items: flex-end; gap: 14px; height: 150px; padding-top: 6px; }
.week .day { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 8px; height: 100%; justify-content: flex-end; }
.week .col { width: 100%; max-width: 34px; min-height: 4px; border-radius: 9px 9px 4px 4px; background: linear-gradient(180deg, var(--accent2), var(--accent)); box-shadow: 0 0 16px rgba(157,123,255,0.35); transition: height 0.6s var(--ease); }
.week .day.today .col { background: linear-gradient(180deg, var(--c3), var(--accent)); }
.week .day span { font-size: 0.76rem; color: var(--muted); }
.err-bars { display: flex; flex-direction: column; gap: 12px; }
.err-bar { display: grid; grid-template-columns: 130px 1fr 46px; align-items: center; gap: 12px; font-size: 0.88rem; }
.err-bar .track { height: 10px; border-radius: 999px; background: rgba(255,255,255,0.07); overflow: hidden; }
.err-bar .track > i { display: block; height: 100%; border-radius: 999px; background: linear-gradient(90deg, var(--c3), var(--accent)); }
.err-bar .pct { text-align: right; color: var(--c3); font-weight: 700; }

/* Profile badges (aurora) */
.pf-badges { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; }
.pf-badge { display: flex; flex-direction: column; align-items: center; gap: 7px; text-align: center; }
.pf-badge .b { width: 58px; height: 58px; border-radius: 18px; display: grid; place-content: center; font-size: 1.5rem; background: var(--surface2); border: 1px solid var(--border); }
.pf-badge.on .b { background: linear-gradient(135deg, rgba(255,209,107,0.3), rgba(255,122,198,0.2)); border-color: rgba(255,209,107,0.5); box-shadow: 0 0 22px rgba(255,209,107,0.3); }
.pf-badge.off { opacity: 0.4; }
.pf-badge span { font-size: 0.74rem; color: var(--muted); line-height: 1.25; }

/* Result page */
.result-hero { text-align: center; }
.result-ring { width: 150px; height: 150px; margin: 0 auto 18px; border-radius: 50%; display: grid; place-content: center; position: relative; background: conic-gradient(var(--accent2) calc(var(--p,0) * 1%), rgba(255,255,255,0.08) 0); }
.result-ring::before { content: ""; position: absolute; inset: 13px; border-radius: 50%; background: rgba(10,14,24,0.92); }
body.theme-paper .result-ring::before { background: var(--surface-solid); }
.result-score { position: relative; z-index: 1; font-size: 2.4rem; font-weight: 800; background: linear-gradient(120deg, var(--accent), var(--accent2), var(--c4)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.result-title { font-size: 1.4rem; margin-bottom: 6px; }
.result-sub { color: var(--muted); }
.result-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 24px 0; }
.result-stats .rs { padding: 18px; text-align: center; border-radius: 14px; background: var(--surface2); border: 1px solid var(--border); }
.result-stats .rs .n { font-size: 1.6rem; font-weight: 800; }
.result-stats .rs .l { font-size: 0.8rem; color: var(--muted); margin-top: 3px; }
.result-actions { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; margin-top: 8px; }

@media (max-width: 980px) {
  .pf-hero, .grid-bottom { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .pf-badges { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 560px) {
  .pf-badges { grid-template-columns: repeat(3, 1fr); }
  .result-stats { grid-template-columns: 1fr; }
  .pf-id { flex-direction: column; text-align: center; }
}