:root {
  --bg: #f4f3fb;
  --card: #ffffff;
  --ink: #2b2350;
  --ink-soft: #7a74a0;
  --primary: #5b4fc7;
  --primary-dark: #483da8;
  --accent: #ff8a5c;
  --good: #2eb872;
  --good-soft: #e3f7ec;
  --bad: #e35b66;
  --bad-soft: #fdeaec;
  --warn: #f2b134;
  --warn-soft: #fdf3dd;
  --grey-soft: #ecebf4;
  --radius: 18px;
  --shadow: 0 4px 18px rgba(60, 45, 130, 0.10);
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

#app {
  max-width: 480px;
  margin: 0 auto;
  min-height: 100vh;
  padding: env(safe-area-inset-top) 0 calc(74px + env(safe-area-inset-bottom)) 0;
}

.view { padding: 18px 18px 12px; }
.hidden { display: none !important; }

h1 { font-size: 1.5rem; margin: 0; }
h2 { font-size: 1.05rem; }

/* ---------- Heim ---------- */
.home-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 16px;
}
.greeting p { margin: 4px 0 0; color: var(--ink-soft); }

.streak-badge {
  display: flex; align-items: center; gap: 4px;
  background: var(--card); border-radius: 999px;
  padding: 8px 14px; box-shadow: var(--shadow);
  font-weight: 700; font-size: 1.1rem;
}
.streak-badge.cold { filter: grayscale(1); opacity: 0.6; }

.dose-card {
  background: linear-gradient(135deg, #5b4fc7 0%, #7d6ee8 60%, #9d8cf4 100%);
  color: #fff; border-radius: var(--radius);
  padding: 24px 20px; text-align: center;
  box-shadow: var(--shadow); margin-bottom: 22px;
}
.dose-ring-wrap { position: relative; width: 120px; height: 120px; margin: 0 auto 16px; }
.dose-ring { width: 120px; height: 120px; transform: rotate(-90deg); }
.ring-bg { fill: none; stroke: rgba(255,255,255,0.25); stroke-width: 10; }
.ring-fg {
  fill: none; stroke: #ffd166; stroke-width: 10; stroke-linecap: round;
  stroke-dasharray: 326.7; stroke-dashoffset: 326.7;
  transition: stroke-dashoffset 0.6s ease;
}
.dose-ring-label {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; justify-content: center; align-items: center;
  font-weight: 800; font-size: 1.3rem;
}
.dose-ring-label small { font-weight: 500; font-size: 0.75rem; opacity: 0.85; }
.dose-hint { margin: 10px 0 0; font-size: 0.85rem; opacity: 0.85; }

.btn-primary {
  display: block; width: 100%;
  background: #fff; color: var(--primary-dark);
  border: none; border-radius: 14px;
  padding: 15px; font-size: 1.05rem; font-weight: 700;
  cursor: pointer;
}
.view:not(#view-home) .btn-primary,
.modal .btn-primary {
  background: var(--primary); color: #fff;
}
.btn-primary:active { transform: scale(0.98); }

.btn-secondary {
  display: block; width: 100%; margin-top: 10px;
  background: transparent; color: var(--primary);
  border: 2px solid var(--primary); border-radius: 14px;
  padding: 13px; font-size: 1rem; font-weight: 700; cursor: pointer;
}

.section-title { color: var(--ink-soft); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; margin: 20px 0 10px; }

.fresh-summary { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.fresh-chip {
  background: var(--card); border-radius: 14px; padding: 12px 14px;
  box-shadow: var(--shadow); cursor: pointer;
}
.fresh-chip .fc-name { font-weight: 700; font-size: 0.95rem; }
.fresh-chip .fc-status { font-size: 0.8rem; margin-top: 4px; }
.fresh-bar { height: 6px; border-radius: 3px; background: var(--grey-soft); margin-top: 8px; overflow: hidden; }
.fresh-bar > div { height: 100%; border-radius: 3px; }

.week-strip { display: flex; gap: 8px; }
.week-day {
  flex: 1; text-align: center; background: var(--card);
  border-radius: 12px; padding: 8px 2px; box-shadow: var(--shadow);
}
.week-day .wd-label { font-size: 0.7rem; color: var(--ink-soft); }
.week-day .wd-dot { font-size: 1.05rem; margin-top: 2px; }
.week-day.today { outline: 2px solid var(--primary); }

/* ---------- Quiz ---------- */
.quiz-header { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.btn-icon {
  background: var(--grey-soft); border: none; border-radius: 50%;
  width: 36px; height: 36px; font-size: 1rem; color: var(--ink-soft); cursor: pointer;
  flex-shrink: 0;
}
.quiz-progress { flex: 1; height: 8px; background: var(--grey-soft); border-radius: 4px; overflow: hidden; }
.quiz-progress-fill { height: 100%; width: 0; background: var(--primary); border-radius: 4px; transition: width 0.4s ease; }
.quiz-counter { font-size: 0.85rem; color: var(--ink-soft); font-weight: 600; }

.q-meta { display: flex; gap: 8px; margin-bottom: 10px; }
.q-subject, .q-tema {
  font-size: 0.75rem; font-weight: 700; border-radius: 999px; padding: 4px 10px;
}
.q-subject { background: var(--primary); color: #fff; }
.q-subject.kjemi { background: var(--accent); }
.q-tema { background: var(--grey-soft); color: var(--ink-soft); }

.q-paper-hint {
  background: var(--warn-soft); color: #8a6410;
  border-radius: 10px; padding: 8px 12px; font-size: 0.85rem; margin-bottom: 10px;
}

.q-text {
  background: var(--card); border-radius: var(--radius);
  padding: 18px; box-shadow: var(--shadow);
  font-size: 1.05rem; line-height: 1.55; margin-bottom: 14px;
}

.q-options { display: flex; flex-direction: column; gap: 10px; }
.q-option {
  background: var(--card); border: 2px solid transparent; border-radius: 14px;
  padding: 14px 16px; font-size: 1rem; text-align: left; cursor: pointer;
  box-shadow: var(--shadow); line-height: 1.4; color: var(--ink);
  width: 100%;
}
.q-option:active { transform: scale(0.99); }
.q-option.correct { border-color: var(--good); background: var(--good-soft); }
.q-option.wrong { border-color: var(--bad); background: var(--bad-soft); }
.q-option:disabled { cursor: default; opacity: 1; }
.q-option.dim { opacity: 0.5; }

.q-feedback {
  margin-top: 12px; border-radius: 12px; padding: 12px 14px; font-weight: 700;
}
.q-feedback.good { background: var(--good-soft); color: var(--good); }
.q-feedback.bad { background: var(--bad-soft); color: var(--bad); }

.q-solution {
  margin-top: 14px; background: var(--card); border-radius: var(--radius);
  padding: 16px 18px; box-shadow: var(--shadow);
}
.q-solution h3 { margin: 0 0 8px; font-size: 0.9rem; color: var(--ink-soft); text-transform: uppercase; letter-spacing: 0.05em; }
.q-solution-body { line-height: 1.65; font-size: 0.98rem; }

.q-paper-actions { margin-top: 4px; }

.q-selfgrade { margin-top: 14px; text-align: center; }
.q-selfgrade p { margin: 0 0 10px; font-weight: 600; }
.selfgrade-btns { display: flex; gap: 10px; }
.btn-good, .btn-bad {
  flex: 1; border: none; border-radius: 14px; padding: 14px;
  font-size: 1rem; font-weight: 700; cursor: pointer;
}
.btn-good { background: var(--good); color: #fff; }
.btn-bad { background: var(--bad); color: #fff; }

.q-next { display: flex; gap: 10px; margin-top: 16px; }
.q-next .btn-primary { flex: 2; }
.btn-ai {
  flex: 1; background: var(--card); color: var(--primary);
  border: 2px solid var(--primary); border-radius: 14px;
  font-size: 0.9rem; font-weight: 700; cursor: pointer; padding: 12px 8px;
}

/* ---------- Ferdig ---------- */
.done-card {
  background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 36px 24px; text-align: center; margin-top: 40px;
}
.done-emoji { font-size: 3.5rem; margin-bottom: 8px; }
.done-card p { color: var(--ink-soft); }
.done-streak { font-weight: 700; color: var(--accent) !important; font-size: 1.1rem; }
.done-card .btn-primary { margin-top: 18px; }

/* ---------- Kunnskapskart ---------- */
.page-header { margin-bottom: 16px; }
.page-sub { color: var(--ink-soft); margin: 4px 0 0; font-size: 0.9rem; }

.map-subject { margin-bottom: 8px; }
.map-subject-title {
  font-size: 1.1rem; font-weight: 800; margin: 18px 0 10px;
  display: flex; align-items: center; gap: 8px;
}
.tema-card {
  background: var(--card); border-radius: 14px; box-shadow: var(--shadow);
  margin-bottom: 10px; overflow: hidden;
}
.tema-head {
  width: 100%; background: none; border: none; padding: 14px 16px;
  display: flex; align-items: center; gap: 10px; cursor: pointer;
  font-size: 1rem; color: var(--ink); text-align: left;
}
.tema-head .tema-name { flex: 1; font-weight: 700; }
.tema-dot { width: 12px; height: 12px; border-radius: 50%; flex-shrink: 0; }
.tema-status-label { font-size: 0.78rem; color: var(--ink-soft); }
.tema-body { padding: 0 16px 14px; }
.tema-km {
  background: var(--grey-soft); border-radius: 10px; padding: 10px 12px;
  font-size: 0.85rem; line-height: 1.5; color: var(--ink-soft); margin-bottom: 8px;
}
.tema-km strong { color: var(--ink); }
.tema-stats { font-size: 0.85rem; color: var(--ink-soft); margin-bottom: 10px; }
.btn-tema-practice {
  background: var(--primary); color: #fff; border: none; border-radius: 12px;
  padding: 10px 16px; font-weight: 700; font-size: 0.9rem; cursor: pointer;
}

/* ---------- Innstillingar ---------- */
.settings-group { margin-bottom: 24px; }
.settings-label { display: block; font-weight: 700; margin-bottom: 10px; }
.seg-control { display: flex; background: var(--grey-soft); border-radius: 12px; padding: 4px; }
.seg-control button {
  flex: 1; border: none; background: none; padding: 10px;
  font-size: 1rem; font-weight: 700; color: var(--ink-soft);
  border-radius: 9px; cursor: pointer;
}
.seg-control button.active { background: var(--card); color: var(--primary); box-shadow: var(--shadow); }
.stats-box {
  background: var(--card); border-radius: 14px; box-shadow: var(--shadow);
  padding: 14px 16px; font-size: 0.95rem; line-height: 1.9;
}
.btn-danger {
  background: var(--bad-soft); color: var(--bad); border: none;
  border-radius: 12px; padding: 13px 16px; font-weight: 700; cursor: pointer; width: 100%;
}
.about-text { color: var(--ink-soft); font-size: 0.85rem; line-height: 1.6; }

/* ---------- Modal ---------- */
.modal {
  position: fixed; inset: 0; background: rgba(30, 20, 70, 0.5);
  display: flex; align-items: center; justify-content: center; z-index: 50;
  padding: 24px;
}
.modal-card {
  background: var(--card); border-radius: var(--radius); padding: 24px;
  max-width: 340px; text-align: center; box-shadow: var(--shadow);
}
.modal-card h2 { margin-top: 0; }
.modal-card p { color: var(--ink-soft); line-height: 1.5; }
.modal-soon { font-weight: 700; color: var(--accent) !important; }

/* ---------- Namn-inngang ---------- */
.name-gate {
  position: fixed; inset: 0; z-index: 70;
  background: linear-gradient(160deg, #5b4fc7 0%, #7d6ee8 55%, #9d8cf4 100%);
  display: flex; align-items: center; justify-content: center; padding: 24px;
}
.name-card {
  background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 32px 24px; text-align: center; max-width: 360px; width: 100%;
}
.name-emoji { font-size: 3rem; margin-bottom: 6px; }
.name-card h1 { font-size: 1.4rem; margin: 0 0 8px; }
.name-card p { color: var(--ink-soft); line-height: 1.5; margin: 0 0 18px; }
.name-card input {
  width: 100%; border: 2px solid #d8d5ea; border-radius: 12px;
  padding: 13px 14px; font-size: 1.05rem; text-align: center; margin-bottom: 14px;
  background: var(--bg); color: var(--ink);
}
.name-card input:focus { outline: none; border-color: var(--primary); }

.name-edit { display: flex; gap: 8px; }
.name-edit input {
  flex: 1; border: 1px solid #d8d5ea; border-radius: 12px; padding: 10px 12px;
  font-size: 1rem; background: var(--card); color: var(--ink);
}
.name-edit input:focus { outline: none; border-color: var(--primary); }

/* ---------- Geekboard ---------- */
.board-you {
  display: flex; align-items: center; gap: 12px;
  background: linear-gradient(135deg, #5b4fc7, #7d6ee8); color: #fff;
  border-radius: 14px; padding: 14px 16px; margin: 14px 0 16px; box-shadow: var(--shadow);
}
.board-you .by-rank { font-size: 1.5rem; font-weight: 800; min-width: 44px; }
.board-you .by-name { flex: 1; font-weight: 700; font-size: 1.05rem; }
.board-you .by-val { font-weight: 700; }

.board-row {
  display: flex; align-items: center; gap: 12px;
  background: var(--card); border-radius: 12px; padding: 12px 14px;
  box-shadow: var(--shadow); margin-bottom: 8px;
}
.board-row.mine { outline: 2px solid var(--primary); }
.board-rank { min-width: 32px; text-align: center; font-weight: 800; font-size: 1.05rem; color: var(--ink-soft); }
.board-name { flex: 1; font-weight: 600; }
.board-val { font-weight: 700; color: var(--primary); }
.board-loading { color: var(--ink-soft); text-align: center; padding: 24px 12px; line-height: 1.5; }

/* ---------- AI-tutor ---------- */
.ai-sheet {
  position: fixed; inset: 0; z-index: 60;
  background: rgba(30, 20, 70, 0.5);
  display: flex; align-items: flex-end; justify-content: center;
}
.ai-card {
  background: var(--bg); width: 100%; max-width: 480px;
  height: 85vh; border-radius: 20px 20px 0 0;
  display: flex; flex-direction: column; overflow: hidden;
}
.ai-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 16px; background: var(--card); border-bottom: 1px solid #e8e6f2;
}
.ai-header h2 { margin: 0; font-size: 1.1rem; }
.ai-header small { color: var(--ink-soft); font-size: 0.8rem; }

.ai-messages { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 10px; }
.ai-msg { max-width: 85%; padding: 10px 14px; border-radius: 16px; line-height: 1.5; font-size: 0.98rem; overflow-x: auto; }
.ai-msg.user { align-self: flex-end; background: var(--primary); color: #fff; border-bottom-right-radius: 4px; }
.ai-msg.bot { align-self: flex-start; background: var(--card); box-shadow: var(--shadow); border-bottom-left-radius: 4px; }
.ai-msg.bot.error { background: var(--bad-soft); color: var(--bad); }
.ai-typing { align-self: flex-start; color: var(--ink-soft); font-size: 0.9rem; padding: 4px 8px; }

.ai-input {
  display: flex; gap: 8px; padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
  background: var(--card); border-top: 1px solid #e8e6f2;
}
.ai-input textarea {
  flex: 1; resize: none; border: 1px solid #d8d5ea; border-radius: 18px;
  padding: 10px 14px; font-size: 1rem; font-family: inherit; max-height: 120px;
  background: var(--bg); color: var(--ink);
}
.ai-input textarea:focus { outline: none; border-color: var(--primary); }
.ai-send {
  flex-shrink: 0; width: 44px; height: 44px; border-radius: 50%;
  background: var(--primary); color: #fff; border: none; font-size: 1.2rem; cursor: pointer;
}
.ai-send:disabled { opacity: 0.5; }

/* ---------- Tabbar ---------- */
.tabbar {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 40;
  max-width: 480px; margin: 0 auto;
  background: var(--card); border-top: 1px solid #e8e6f2;
  display: flex; padding: 6px 0 calc(6px + env(safe-area-inset-bottom));
}
.tabbar button {
  flex: 1; background: none; border: none; cursor: pointer;
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  font-size: 0.7rem; font-weight: 600; color: var(--ink-soft); padding: 6px 0;
}
.tabbar button span { font-size: 1.3rem; }
.tabbar button.active { color: var(--primary); }

/* KaTeX tweak */
.katex { font-size: 1.02em; }
/* Lange utrekningar: la kvar display-formel scrolle vassrett i staden for
   å bli kutta av kortkanten. Inline-matte i brødtekst bryt normalt. */
.katex-display {
  margin: 0.6em 0;
  overflow-x: auto;
  overflow-y: hidden;
  max-width: 100%;
  padding-bottom: 4px;
  -webkit-overflow-scrolling: touch;
}
.q-text .katex-display, .q-solution-body .katex-display { text-align: left; }