/* APCA ISO Academy — overlays only. Tokens come from apca-style.css */
:root {
  --iso-ink: #12141c;
  --iso-paper: #fbfaf6;
  --iso-rule: #c8ad73;
  --iso-teal: #0f766e;
  --hint-delta: calc(1em - 0.65px);
}

html[lang="de"] body {
  font-family: var(--font-en);
}

.iso-nav .nav-links {
  align-items: center;
}

.iso-lang {
  display: flex;
  gap: 0.35rem;
}

.iso-lang button {
  border: 1px solid var(--border-glass);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-muted);
  border-radius: 999px;
  padding: 0.35rem 0.7rem;
  cursor: pointer;
  font: inherit;
  font-size: 0.82rem;
  transition: var(--transition-fast);
}

.iso-lang button.is-on {
  color: #0b0c10;
  background: var(--gradient-gold);
  border-color: transparent;
  font-weight: 700;
}

.iso-hero {
  min-height: 72vh;
  padding-top: 130px;
}

.iso-kicker {
  color: var(--primary);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.78rem;
  margin-bottom: 0.75rem;
}

.iso-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.1rem;
}

.iso-card {
  padding: 1.4rem 1.5rem;
  border-radius: var(--radius-lg);
  cursor: pointer;
  text-align: start;
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  transition: var(--transition-smooth);
}

.iso-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--glow-gold);
}

.iso-card h3 {
  font-size: 1.15rem;
  color: var(--text-main);
}

.iso-card p {
  color: var(--text-muted);
  font-size: 0.92rem;
  flex: 1;
}

.iso-meta {
  display: flex;
  gap: 0.7rem;
  flex-wrap: wrap;
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 600;
}

.iso-wrap {
  max-width: 860px;
  margin: 0 auto;
}

.iso-progress-wrap {
  margin-bottom: 1.4rem;
}

.iso-progress-meta {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 0.45rem;
}

.iso-progress-track {
  height: 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.iso-progress-bar {
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: var(--gradient-gold);
  transition: width 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

html[dir="rtl"] .iso-progress-bar {
  transform-origin: right center;
}

.iso-panel {
  padding: 1.6rem 1.7rem;
  border-radius: var(--radius-lg);
}

.iso-lesson {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.85;
}

.iso-lesson p + p {
  margin-top: 1rem;
}

.iso-q {
  font-size: 1.22rem;
  font-weight: 650;
  line-height: 1.55;
  margin: 0.4rem 0 1.1rem;
}

.iso-options {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.iso-opt {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-height: 3.15rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-glass);
  background: rgba(255, 255, 255, 0.03);
  cursor: pointer;
  text-align: start;
  color: var(--text-main);
  font: inherit;
  line-height: 1.45;
}

.iso-opt:hover:not(:disabled) {
  border-color: rgba(200, 173, 115, 0.45);
}

.iso-opt.is-picked {
  border-color: var(--primary);
  box-shadow: inset 0 0 0 1px rgba(200, 173, 115, 0.35);
}

.iso-opt.is-right {
  border-color: #34d399;
  background: rgba(16, 185, 129, 0.12);
}

.iso-opt.is-wrong {
  border-color: #f87171;
  background: rgba(239, 68, 68, 0.1);
}

.iso-opt:disabled {
  cursor: default;
}

.iso-opt .mark {
  flex: 0 0 1.6rem;
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.25);
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  color: var(--primary);
}

.iso-opt .lbl {
  flex: 1;
  line-height: 1.45;
}

.iso-opt .lbl.is-slim {
  font-size: var(--hint-delta);
}

.iso-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.25rem;
}

.iso-actions .btn-primary,
.iso-actions .btn-secondary {
  border: 0;
  cursor: pointer;
}

.iso-actions .btn-secondary:disabled,
.iso-actions .btn-primary:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.iso-explain {
  display: none;
  margin-top: 1.15rem;
  padding: 1rem 1.1rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(200, 173, 115, 0.25);
  background: rgba(200, 173, 115, 0.08);
  color: var(--text-main);
  line-height: 1.7;
}

.iso-explain.is-open {
  display: block;
}

.iso-banner {
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.iso-banner.ok {
  color: #6ee7b7;
}

.iso-banner.no {
  color: #fca5a5;
}

.iso-form {
  display: grid;
  gap: 0.9rem;
}

.iso-form label {
  display: grid;
  gap: 0.35rem;
  color: var(--text-muted);
  font-size: 0.88rem;
}

.iso-form input {
  font: inherit;
  padding: 0.75rem 0.9rem;
  border-radius: 12px;
  border: 1px solid var(--border-glass);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-main);
}

.iso-form input:focus {
  outline: 2px solid rgba(200, 173, 115, 0.45);
}

.iso-score {
  font-size: 3.4rem;
  font-weight: 800;
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1.1;
}

.hidden {
  display: none !important;
}

.iso-note {
  color: var(--text-muted);
  font-size: 0.82rem;
  margin-top: 0.8rem;
}

/* Specimen certificate (light, isolated from dark theme) */
.cert-stage {
  overflow: auto;
  padding: 0.5rem 0 1rem;
}

.cert-sheet {
  width: min(960px, 100%);
  aspect-ratio: 1.414 / 1;
  margin: 0 auto;
  background: var(--iso-paper);
  color: var(--iso-ink);
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

.cert-sheet * {
  color: inherit;
  box-shadow: none !important;
  backdrop-filter: none !important;
  text-shadow: none !important;
}

.cert-sheet::before {
  content: "";
  position: absolute;
  width: 78%;
  height: 140%;
  right: -18%;
  top: -30%;
  background: radial-gradient(circle at 30% 40%, rgba(200, 173, 115, 0.18), transparent 55%);
  transform: rotate(18deg);
}

.cert-wm {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: clamp(2.4rem, 8vw, 5rem);
  font-weight: 800;
  letter-spacing: 0.3em;
  color: rgba(18, 20, 28, 0.045);
  transform: rotate(-18deg);
  pointer-events: none;
}

.cert-inner {
  position: relative;
  z-index: 1;
  height: 100%;
  padding: 6% 7% 5%;
  display: flex;
  flex-direction: column;
}

.cert-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.cert-top img {
  height: 52px;
  width: auto;
  border-radius: 8px;
}

.cert-word {
  letter-spacing: 0.42em;
  font-size: 0.82rem;
  color: #8b8373;
  font-weight: 600;
}

.cert-name {
  font-size: clamp(1.7rem, 4.2vw, 3.1rem);
  font-weight: 800;
  margin: 1.1rem 0 0.35rem;
  color: #111;
}

.cert-line {
  color: #5b6170;
  font-size: 0.95rem;
}

.cert-title {
  margin: 0.85rem 0 0.25rem;
  font-size: clamp(1.15rem, 2.6vw, 1.85rem);
  font-weight: 800;
  color: #1d4ed8;
  letter-spacing: 0.04em;
}

.cert-cpe {
  font-weight: 800;
  color: #4b5563;
}

.cert-bottom {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: end;
  flex-wrap: wrap;
}

.cert-seal {
  width: 78px;
  height: 78px;
  border-radius: 50%;
  border: 4px solid var(--iso-teal);
  display: grid;
  place-items: center;
  text-align: center;
  font-size: 0.58rem;
  font-weight: 800;
  color: var(--iso-teal);
  letter-spacing: 0.04em;
  background: #ecfdf8;
}

.cert-sign {
  text-align: end;
}

.cert-sign .sig {
  font-family: "Segoe Script", "Snell Roundhand", cursive;
  color: #1d4ed8;
  font-size: 1.35rem;
}

.cert-tiny {
  font-size: 0.68rem;
  color: #6b7280;
  max-width: 70ch;
  margin-top: 0.7rem;
}

.exporting .cert-sheet {
  box-shadow: none;
}

@media print {
  body > header,
  body > footer,
  .iso-actions,
  .iso-progress-wrap,
  .no-print {
    display: none !important;
  }
  body,
  html {
    background: #fff !important;
    color: #111 !important;
  }
  .cert-sheet {
    box-shadow: none;
    width: 100%;
    border-radius: 0;
  }
  @page {
    size: A4 landscape;
    margin: 10mm;
  }
}

@media (max-width: 720px) {
  .iso-hero {
    padding-top: 110px;
    min-height: auto;
  }
  .iso-q {
    font-size: 1.05rem;
  }
  .cert-inner {
    padding: 8% 6%;
  }
}