:root {
  color-scheme: light;
  --ink: #17202a;
  --muted: #627084;
  --line: #d9e2ec;
  --paper: #fffdf8;
  --mint: #2fbf9b;
  --blue: #3478f6;
  --rose: #e84a7a;
  --gold: #f3b431;
  --green: #238b57;
  --red: #c93636;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 18%, rgba(47, 191, 155, .16), transparent 26rem),
    radial-gradient(circle at 88% 12%, rgba(232, 74, 122, .12), transparent 24rem),
    linear-gradient(180deg, #f7fbff 0%, #fffdf8 100%);
}

button {
  font: inherit;
}

.shell {
  width: min(1120px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 24px 0 48px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 32px;
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.user-pill,
.notion-link {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px 12px;
  background: rgba(255, 255, 255, .78);
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
}

.user-pill {
  color: var(--blue);
}

.flash {
  margin: 0 0 16px;
  padding: 12px 14px;
  border-radius: 8px;
  font-weight: 800;
}

.flash.info {
  border: 1px solid #9bdcbd;
  background: #eafff5;
}

.flash.error {
  border: 1px solid #f2a4a4;
  background: #fff0f0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 0;
  background: transparent;
  color: var(--ink);
  font-weight: 800;
  cursor: pointer;
}

.mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background: var(--ink);
  color: white;
  letter-spacing: 0;
}

.date-pill {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 12px;
  background: rgba(255, 255, 255, .72);
  color: var(--muted);
}

.intro {
  min-height: 220px;
  display: flex;
  align-items: center;
  background:
    linear-gradient(110deg, rgba(52, 120, 246, .12), rgba(47, 191, 155, .12)),
    url("data:image/svg+xml,%3Csvg width='140' height='140' viewBox='0 0 140 140' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' stroke='%2317202a' stroke-opacity='.12' stroke-width='4'%3E%3Cpath d='M24 36h92M24 70h92M24 104h92'/%3E%3Ccircle cx='38' cy='36' r='10' fill='%23f3b431' fill-opacity='.5'/%3E%3Ccircle cx='92' cy='70' r='10' fill='%232fbf9b' fill-opacity='.45'/%3E%3Ccircle cx='60' cy='104' r='10' fill='%23e84a7a' fill-opacity='.4'/%3E%3C/g%3E%3C/svg%3E");
  background-size: auto, 160px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 32px;
}

.intro.compact {
  min-height: 150px;
}

.eyebrow {
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0;
  font-weight: 800;
  color: var(--blue);
  font-size: 13px;
}

h1 {
  margin: 0;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1;
  letter-spacing: 0;
}

h2 {
  margin: 0 0 16px;
  font-size: 24px;
}

.lead {
  max-width: 680px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 19px;
}

.choice-grid,
.subject-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin: 18px 0 28px;
}

.learner-card,
.subject-card,
.question-panel,
.history,
.done {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, .86);
  box-shadow: 0 16px 48px rgba(23, 32, 42, .08);
}

.learner-card,
.subject-card {
  min-height: 150px;
  padding: 22px;
  text-align: left;
  cursor: pointer;
  transition: transform .16s ease, border-color .16s ease;
}

.learner-card:hover,
.subject-card:hover,
.answer:hover,
.btn:hover {
  transform: translateY(-2px);
}

.learner-name,
.subject-card span {
  display: block;
  margin-bottom: 8px;
  font-size: 30px;
  font-weight: 900;
}

.learner-card strong,
.subject-card strong {
  display: block;
  margin-top: 18px;
  color: var(--muted);
}

.subject-card.german {
  border-top: 6px solid var(--gold);
}

.subject-card.english {
  border-top: 6px solid var(--rose);
}

.subject-card.maths {
  border-top: 6px solid var(--mint);
}

.history {
  padding: 22px;
}

.results-list {
  display: grid;
  gap: 8px;
}

.result-row {
  display: grid;
  grid-template-columns: 1.2fr 1fr auto auto;
  gap: 12px;
  align-items: center;
  padding: 12px;
  border-radius: 8px;
  background: #f7fafc;
}

.quiz-head {
  display: grid;
  gap: 18px;
  margin-bottom: 18px;
}

progress {
  width: 100%;
  height: 14px;
  border: 0;
}

progress::-webkit-progress-bar {
  border-radius: 999px;
  background: #e6edf5;
}

progress::-webkit-progress-value {
  border-radius: 999px;
  background: var(--blue);
}

.question-panel {
  padding: 28px;
}

.prompt {
  margin: 0 0 22px;
  white-space: pre-line;
  font-size: 28px;
  line-height: 1.25;
  font-weight: 850;
}

.answers {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.answer {
  min-height: 84px;
  border: 2px solid var(--line);
  border-radius: 8px;
  background: white;
  cursor: pointer;
  font-size: 20px;
  font-weight: 800;
  color: var(--ink);
}

.answer.selected {
  border-color: var(--blue);
}

.answer.correct {
  border-color: var(--green);
  background: #ebfff5;
}

.answer.wrong {
  border-color: var(--red);
  background: #fff0f0;
}

.feedback {
  margin-top: 18px;
  padding: 18px;
  border-radius: 8px;
  background: #fff7e0;
  border: 1px solid #f5d26f;
}

.feedback.ok {
  background: #eafff5;
  border-color: #9bdcbd;
}

.feedback p {
  margin: 6px 0 16px;
  color: var(--muted);
}

.btn {
  min-height: 44px;
  border: 0;
  border-radius: 8px;
  padding: 0 18px;
  background: var(--ink);
  color: white;
  font-weight: 850;
  cursor: pointer;
}

.btn.ghost {
  background: white;
  color: var(--ink);
  border: 1px solid var(--line);
}

.done {
  display: grid;
  place-items: center;
  text-align: center;
  padding: 36px 20px;
}

.score-ring {
  display: grid;
  place-items: center;
  width: 132px;
  height: 132px;
  margin: 24px 0 4px;
  border-radius: 999px;
  background: conic-gradient(var(--mint), var(--blue), var(--gold), var(--mint));
  color: white;
  font-size: 30px;
  font-weight: 950;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 18px;
}

.login-shell {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 24px;
}

.login-panel {
  width: min(100%, 460px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, .9);
  box-shadow: 0 18px 54px rgba(23, 32, 42, .12);
  padding: 28px;
}

.login-panel h1 {
  font-size: 42px;
}

.login-form {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.login-form label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-weight: 850;
}

.login-form input {
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 12px;
  background: white;
  color: var(--ink);
  font: inherit;
}

@media (max-width: 760px) {
  .shell {
    width: min(100vw - 20px, 1120px);
    padding-top: 12px;
  }

  .intro,
  .question-panel,
  .history {
    padding: 18px;
  }

  .choice-grid,
  .subject-grid,
  .answers,
  .result-row {
    grid-template-columns: 1fr;
  }

  .prompt {
    font-size: 23px;
  }

  .topbar,
  .top-actions {
    align-items: stretch;
    flex-direction: column;
  }
}