/* Engram-specific overrides on top of AHV design-tokens.css.
   Adds learning-app accents: Flame for streak, soft Green for "correct". */
:root {
  --engram-flame: #FF7A1A;
  --engram-flame-soft: #FFE4D1;
  --engram-correct: #2BA86A;
  --engram-correct-soft: #DDF4E8;
  --engram-wrong: #C8423A;
  --engram-wrong-soft: #F8DCD9;
  --engram-warn: #C8763A;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--ahv-font-sans, system-ui, -apple-system, sans-serif);
  background: var(--ahv-cream, #FAF7F2);
  color: var(--ahv-navy-500, #1B3564);
  /* iOS Safari URL-bar fix (§9): use dvh, not 100vh */
  min-height: 100dvh;
}

a { color: var(--ahv-teal-500, #1A8F7E); text-decoration: none; }
a:hover { text-decoration: underline; }

button, .btn {
  font: inherit;
  cursor: pointer;
  border: 1px solid var(--ahv-stone-100, #E4DDD0);
  background: white;
  color: var(--ahv-navy-500);
  padding: 0.6rem 1.2rem;
  border-radius: 8px;
  transition: background 120ms, transform 80ms;
}
button:hover, .btn:hover { background: var(--ahv-cream-soft); }
button:active, .btn:active { transform: translateY(1px); }
button.primary, .btn.primary {
  background: var(--ahv-teal-500);
  color: white;
  border-color: var(--ahv-teal-500);
}
button.primary:hover, .btn.primary:hover { background: var(--ahv-teal-600); }
button.danger {
  background: var(--engram-wrong);
  color: white;
  border-color: var(--engram-wrong);
}

.container {
  max-width: 880px;
  margin: 0 auto;
  padding: 1.5rem;
}

header.app-header {
  background: white;
  border-bottom: 1px solid var(--ahv-stone-50);
  padding: 0.8rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
header.app-header .brand {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--ahv-navy-500);
  letter-spacing: 0.02em;
}
header.app-header nav { display: flex; gap: 1rem; align-items: center; }

footer.app-footer {
  margin-top: 4rem;
  padding: 1.5rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--ahv-stone-200);
  border-top: 1px solid var(--ahv-stone-50);
}
footer.app-footer a { color: var(--ahv-stone-200); }
footer.app-footer a:hover { color: var(--ahv-teal-500); }

.card-surface {
  background: white;
  border: 1px solid var(--ahv-stone-50);
  border-radius: 12px;
  padding: 1.25rem;
  box-shadow: 0 1px 3px rgba(11, 24, 46, 0.04);
}

.flash {
  padding: 0.8rem 1rem;
  border-radius: 8px;
  margin: 1rem 0;
}
.flash.error { background: var(--engram-wrong-soft); color: var(--engram-wrong); }
.flash.info { background: var(--ahv-teal-50); color: var(--ahv-teal-700); }
.flash.ok { background: var(--engram-correct-soft); color: var(--engram-correct); }

input[type=text], input[type=email], input[type=number], input[type=time], input[type=date], select, textarea {
  font: inherit;
  width: 100%;
  padding: 0.6rem 0.8rem;
  border: 1px solid var(--ahv-stone-100);
  border-radius: 8px;
  background: white;
}

label { display: block; margin: 0.6rem 0 0.25rem; font-weight: 600; color: var(--ahv-navy-700); font-size: 0.9rem; }
.help { font-size: 0.8rem; color: var(--ahv-stone-200); }

.streak-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  background: var(--engram-flame-soft);
  color: var(--engram-flame);
  font-weight: 600;
}

.toast {
  position: fixed;
  top: 1rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--ahv-navy-500);
  color: white;
  padding: 0.8rem 1.2rem;
  border-radius: 8px;
  box-shadow: 0 4px 14px rgba(0,0,0,.18);
  z-index: 1000;
  animation: toast-in 200ms ease-out;
}
@keyframes toast-in { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: translateY(0); } }

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(11, 24, 46, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 900;
}
.modal {
  background: white;
  border-radius: 12px;
  padding: 1.5rem;
  max-width: 520px;
  width: calc(100% - 2rem);
  max-height: calc(100dvh - 2rem);
  overflow-y: auto;
}

.unlock-overlay {
  position: fixed;
  inset: 0;
  background: rgba(11, 24, 46, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1100;
}
.unlock-overlay .badge-art {
  background: white;
  padding: 2rem;
  border-radius: 16px;
  text-align: center;
  animation: zoom-in 350ms cubic-bezier(.2,.9,.4,1.4);
}
@keyframes zoom-in { from { transform: scale(0.4); opacity: 0; } to { transform: scale(1); opacity: 1; } }

.heatmap { display: grid; grid-template-columns: repeat(13, 1fr); gap: 3px; max-width: 460px; }
.heatmap .cell { aspect-ratio: 1/1; background: var(--ahv-stone-50); border-radius: 3px; }
.heatmap .cell.l1 { background: var(--ahv-teal-100); }
.heatmap .cell.l2 { background: var(--ahv-teal-200); }
.heatmap .cell.l3 { background: var(--ahv-teal-400); }
.heatmap .cell.l4 { background: var(--ahv-teal-600); }

.kbd-list { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.kbd-list button { min-width: 110px; }
.rating-1 { background: var(--engram-wrong-soft); color: var(--engram-wrong); border-color: var(--engram-wrong-soft); }
.rating-2 { background: #fff5e1; color: var(--engram-warn); border-color: #fff5e1; }
.rating-3 { background: var(--ahv-teal-50); color: var(--ahv-teal-700); border-color: var(--ahv-teal-50); }
.rating-4 { background: var(--engram-correct-soft); color: var(--engram-correct); border-color: var(--engram-correct-soft); }

.option-btn { display: block; width: 100%; text-align: left; margin: 0.4rem 0; }
.option-btn.correct { background: var(--engram-correct-soft); border-color: var(--engram-correct); }
.option-btn.wrong   { background: var(--engram-wrong-soft); border-color: var(--engram-wrong); }

.stat-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  margin: 1rem 0;
}
.stat-grid .stat {
  background: white;
  padding: 1rem;
  border-radius: 10px;
  border: 1px solid var(--ahv-stone-50);
}
.stat .num { font-size: 1.6rem; font-weight: 700; color: var(--ahv-navy-500); }
.stat .label { font-size: 0.85rem; color: var(--ahv-stone-200); margin-top: 0.2rem; }

@media (max-width: 600px) {
  .container { padding: 1rem; }
  header.app-header { padding: 0.6rem 1rem; }
}

/* Test-mode visual indicators */
body.test-mode-active {
  border-top: 3px solid #FF8C00;
}
#test-mode-banner {
  position: relative;
  background: #FF8C00;
  color: white;
  padding: .35rem 1rem;
  z-index: 100;
  text-align: center;
  font-weight: 600;
  font-size: .85rem;
  pointer-events: auto;
}
#test-mode-banner button {
  font-size: .8rem;
  padding: .2rem .6rem;
  background: rgba(255,255,255,.2);
  color: white;
  border: 1px solid rgba(255,255,255,.5);
  border-radius: 4px;
  cursor: pointer;
  margin-left: .4rem;
}
#test-mode-banner button:hover {
  background: rgba(255,255,255,.35);
}

.badge-counter {
  background: #dc3545;
  color: white;
  border-radius: 10px;
  padding: 1px 6px;
  font-size: .7rem;
  font-weight: 700;
  margin-left: 2px;
  vertical-align: middle;
}

.card-frage  { font-size: 1.2rem; font-weight: 600; margin-bottom: .75rem; }
.card-antwort { margin: 1rem 0; line-height: 1.6; }
.card-antwort ul, .card-antwort ol { padding-left: 1.5rem; }
.card-antwort code { background: var(--ahv-stone-50); padding: .1em .3em; border-radius: 3px; font-size: .9em; }

/* Try-Out-Window global banner (A-3 de-escalation: subtle warm gray, not orange) */
#try-out-banner {
  background: #f5f0eb;
  color: var(--ahv-navy-500);
  padding: .5rem 1rem;
  text-align: center;
  font-size: .85rem;
  border-bottom: 1px solid #e8e0d8;
  display: none;
}
#try-out-banner a { color: var(--ahv-teal-500); text-decoration: underline; }
body.try-out-active #try-out-banner { display: block; }
/* When both test-mode AND try-out are active, test-mode banner sits on top */
body.test-mode-active.try-out-active #try-out-banner { margin-top: 0; }

/* Logo slot */
.brand img.logo { height: 32px; width: auto; vertical-align: middle; }
.logo-fallback   { font-weight: 700; font-size: 1.1rem; color: var(--ahv-navy-500); }

/* Sequenz-Pattern tokens (B-2) */
.sequenz-row {
  display: flex; flex-wrap: wrap; gap: .4rem; min-height: 48px;
  padding: .5rem; border: 2px dashed var(--ahv-stone-100); border-radius: 8px;
  margin: .5rem 0; align-items: center;
}
.sequenz-row.target { border-color: var(--ahv-teal-500); background: var(--ahv-teal-50); }
.sequenz-token {
  display: inline-flex; align-items: center; justify-content: center;
  padding: .4rem .8rem; border-radius: 6px; cursor: pointer;
  font-weight: 600; font-size: .9rem; user-select: none;
  transition: transform 80ms, opacity 80ms;
}
.sequenz-token:active { transform: scale(.95); }
.sequenz-token.wert { background: #d0e3ff; color: #1a4d8f; }
.sequenz-token.operator { background: #e8e8e8; color: #333; }
.sequenz-token.konstante { background: #d4f0d4; color: #1a6b1a; }
.sequenz-token.klammer { background: #444; color: white; }
.sequenz-token.correct { outline: 2px solid var(--engram-correct); }
.sequenz-token.wrong { outline: 2px solid var(--engram-wrong); }

/* Bug status badges (A-1) */
.status-badge {
  display: inline-block; padding: .15rem .5rem; border-radius: 4px;
  font-size: .75rem; font-weight: 600;
}
.status-badge.open { background: #fff5e1; color: var(--engram-warn); }
.status-badge.addressed { background: #d0e3ff; color: #1a4d8f; }
.status-badge.resolved { background: var(--engram-correct-soft); color: var(--engram-correct); }
.status-badge.wontfix { background: #e8e8e8; color: #666; }

/* Avatar frame borders per pi-tier (v3.4 H.6 -- global, used by profile + nav) */
.avatar-frame { position: relative; display: inline-block; }
.avatar-frame img, .avatar-frame .avatar-initials { border-radius: 50%; display: block; }
.avatar-frame.frame-none img, .avatar-frame.frame-none .avatar-initials { border: 3px solid transparent; }
.avatar-frame.frame-lehrling img, .avatar-frame.frame-lehrling .avatar-initials { border: 3px solid #cd7f32; }
.avatar-frame.frame-geselle img, .avatar-frame.frame-geselle .avatar-initials { border: 3px solid #c0c0c0; box-shadow: 0 0 8px rgba(192,192,192,0.4); }
.avatar-frame.frame-meister img, .avatar-frame.frame-meister .avatar-initials { border: 3px solid #ffd700; }
.avatar-frame.frame-grossmeister img, .avatar-frame.frame-grossmeister .avatar-initials { border: 3px solid #ffd700; box-shadow: 0 0 12px rgba(255,215,0,0.5); }
.avatar-frame.frame-experte img, .avatar-frame.frame-experte .avatar-initials { border: 3px solid #b9f2ff; box-shadow: 0 0 14px rgba(185,242,255,0.6); }
.avatar-frame.frame-genie img, .avatar-frame.frame-genie .avatar-initials { border: 3px solid #b9f2ff; box-shadow: 0 0 14px rgba(185,242,255,0.6); animation: genie-glow 2s ease-in-out infinite alternate; }
@keyframes genie-glow {
  from { box-shadow: 0 0 10px rgba(185,242,255,0.4); }
  to   { box-shadow: 0 0 20px rgba(185,242,255,0.8); }
}

/* Small avatar frame for nav header (v3.4 H.6b) */
.avatar-frame-sm { display: inline-flex; }
.avatar-frame-sm img, .avatar-frame-sm .avatar-initials { border-radius: 50%; }
.avatar-frame-sm.frame-none img, .avatar-frame-sm.frame-none .avatar-initials { border: 2px solid transparent; }
.avatar-frame-sm.frame-lehrling img, .avatar-frame-sm.frame-lehrling .avatar-initials { border: 2px solid #cd7f32; }
.avatar-frame-sm.frame-geselle img, .avatar-frame-sm.frame-geselle .avatar-initials { border: 2px solid #c0c0c0; }
.avatar-frame-sm.frame-meister img, .avatar-frame-sm.frame-meister .avatar-initials { border: 2px solid #ffd700; }
.avatar-frame-sm.frame-grossmeister img, .avatar-frame-sm.frame-grossmeister .avatar-initials { border: 2px solid #ffd700; }
.avatar-frame-sm.frame-experte img, .avatar-frame-sm.frame-experte .avatar-initials { border: 2px solid #b9f2ff; }
.avatar-frame-sm.frame-genie img, .avatar-frame-sm.frame-genie .avatar-initials { border: 2px solid #b9f2ff; animation: genie-glow-sm 2s ease-in-out infinite alternate; }
@keyframes genie-glow-sm {
  from { box-shadow: 0 0 4px rgba(185,242,255,0.3); }
  to   { box-shadow: 0 0 10px rgba(185,242,255,0.6); }
}

/* Three-axis filter pills (B-1) */
.filter-row { display: flex; flex-wrap: wrap; gap: .4rem; margin: .4rem 0; align-items: center; }
.filter-pill {
  padding: .3rem .7rem; border-radius: 999px; border: 1px solid var(--ahv-stone-100);
  background: white; cursor: pointer; font-size: .85rem; transition: background 100ms;
}
.filter-pill.active { background: var(--ahv-teal-500); color: white; border-color: var(--ahv-teal-500); }
.filter-pill:hover { background: var(--ahv-cream-soft); }
.filter-pill.active:hover { background: var(--ahv-teal-600); }