/* ── RESET & ROOT ────────────────────────────── */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }

:root {
  --bg:       #f4f6fb;
  --bg2:      #ffffff;
  --bg3:      #eef1f8;
  --border:   #dde2ef;
  --border2:  #c8d0e6;
  --text:     #1a1f36;
  --muted:    #5a6380;
  --muted2:   #8a93b0;
  --accent:   #3b6fea;
  --accent2:  #2756cc;
  --green:    #16a34a;
  --red:      #dc2626;
  --gold:     #b45309;
  --purple:   #7c3aed;
  --panel-w:  700px;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Outfit', sans-serif;
  font-weight: 400;
  min-height: 100vh;
  overflow-x: hidden;
}

/* subtle grid overlay */
body::before {
  content: '';
  position: fixed; inset: 0;
  background-image:
    linear-gradient(rgba(59,111,234,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59,111,234,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none; z-index: 0;
}

/* ── NAV ────────────────────────────────────── */
nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(244,246,251,0.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 0 32px;
  display: flex; align-items: center; justify-content: space-between;
  height: 60px;
  box-shadow: 0 1px 3px rgba(59,111,234,0.06);
}

.nav-logo {
  font-family: 'DM Serif Display', serif;
  font-size: 1.4rem;
  color: var(--text);
  letter-spacing: -0.5px;
  display: flex; align-items: center; gap: 10px;
}
.nav-logo span {
  color: var(--accent);
  font-style: italic;
}
.nav-logo-badge {
  font-family: 'DM Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--bg3);
  border: 1px solid var(--border);
  padding: 2px 8px;
  border-radius: 3px;
}

.nav-links {
  display: flex; gap: 4px;
}
.nav-link {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 6px;
  transition: all 0.15s;
  cursor: pointer;
  border: none; background: none;
}
.nav-link:hover { color: var(--text); background: var(--bg3); }
.nav-link.active { color: var(--accent); background: rgba(91,141,238,0.1); }

/* ── HERO ───────────────────────────────────── */
.hero {
  position: relative; z-index: 1;
  max-width: 900px;
  margin: 0 auto;
  padding: 80px 32px 60px;
  text-align: center;
}

.hero-eyebrow {
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
  opacity: 0.8;
}

.hero h1 {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -1.5px;
  margin-bottom: 20px;
  color: var(--text);
}
.hero h1 em {
  font-style: italic;
  color: var(--accent);
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 520px;
  margin: 0 auto 48px;
  line-height: 1.7;
}

/* ── TOPIC GRID ─────────────────────────────── */
.topics-section {
  position: relative; z-index: 1;
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 32px 80px;
}

.section-label {
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--muted2);
  margin-bottom: 20px;
  display: flex; align-items: center; gap: 12px;
}
.section-label::after {
  content: ''; flex: 1;
  height: 1px; background: var(--border);
}

.topic-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
}

.topic-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
  overflow: hidden;
  text-align: left;
}
.topic-card::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(59,111,234,0.04), transparent 60%);
  opacity: 0; transition: opacity 0.2s;
  border-radius: 12px;
}
.topic-card:hover { border-color: var(--accent); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(59,111,234,0.1); }

.topic-icon {
  font-size: 1.6rem;
  margin-bottom: 12px;
  display: block;
  font-family: 'DM Serif Display', serif;
  font-style: italic;
  color: var(--accent);
  opacity: 0.9;
}

.topic-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}

.topic-desc {
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.5;
  margin-bottom: 16px;
}

/* Progress bar on card */
.topic-progress-wrap {
  display: flex; align-items: center; gap: 10px;
}
.topic-pbar-track {
  flex: 1; height: 3px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}
.topic-pbar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--green));
  border-radius: 2px;
  transition: width 0.5s ease;
}
.topic-pct {
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  color: var(--muted);
  min-width: 28px;
  text-align: right;
}
.topic-solved {
  font-size: 0.72rem;
  color: var(--muted2);
  margin-top: 4px;
}

/* Open arrow */
.topic-arrow {
  position: absolute; top: 20px; right: 20px;
  width: 28px; height: 28px;
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--muted);
  font-size: 0.8rem;
  transition: all 0.2s;
}
.topic-card:hover .topic-arrow {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(91,141,238,0.1);
}

/* ── SLIDE PANEL ────────────────────────────── */
.panel-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 9999;
  opacity: 0; pointer-events: none;
  transition: opacity 0.3s;
  backdrop-filter: blur(4px);
}
.panel-backdrop.open { opacity: 1; pointer-events: all; }

.panel {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  width: 100vw; height: 100vh;
  background: var(--bg2);
  z-index: 10000;
  display: none; flex-direction: column;
  overflow: hidden;
}
.panel.open { display: flex !important; }

/* Panel header */
.panel-header {
  padding: 20px 24px 18px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 14px;
  flex-shrink: 0;
}
.panel-close {
  width: 32px; height: 32px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg3);
  color: var(--muted);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  transition: all 0.15s;
  flex-shrink: 0;
}
.panel-close:hover { border-color: var(--red); color: var(--red); }

.panel-title-wrap { flex: 1; }
.panel-topic-label {
  font-family: 'DM Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 2px;
}
.panel-title {
  font-family: 'DM Serif Display', serif;
  font-size: 1.3rem;
  color: var(--text);
  letter-spacing: -0.3px;
}

/* Panel controls */
.panel-controls {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  display: flex; gap: 10px; align-items: center;
  flex-shrink: 0;
  flex-wrap: wrap;
  justify-content: center;
}

select {
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 7px 28px 7px 12px;
  border-radius: 7px;
  font-family: 'Outfit', sans-serif;
  font-size: 0.82rem;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath fill='%236b7494' d='M5 6L0 0h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  transition: border-color 0.15s;
}
select:focus { outline: none; border-color: var(--accent); }

.btn-gen {
  margin-left: auto;
  background: var(--accent);
  color: white;
  border: none;
  padding: 8px 20px;
  border-radius: 7px;
  font-family: 'Outfit', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}
.btn-gen:hover { background: var(--accent2); transform: translateY(-1px); }

/* Panel stats strip */
.panel-stats {
  padding: 12px 24px;
  border-bottom: 1px solid var(--border);
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 0;
  flex-shrink: 0;
}
.pstat {
  text-align: center;
  padding: 6px 0;
  border-right: 1px solid var(--border);
}
.pstat:last-child { border-right: none; }
.pstat-n {
  font-family: 'DM Mono', monospace;
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--text);
  line-height: 1;
}
.pstat.ok .pstat-n { color: var(--green); }
.pstat.nej .pstat-n { color: var(--red); }
.pstat.stk .pstat-n { color: var(--gold); }
.pstat.tid .pstat-n { font-size: 0.9rem; padding-top: 4px; color: var(--accent); }
.pstat-l {
  font-family: 'DM Mono', monospace;
  font-size: 0.55rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted2);
  margin-top: 2px;
}

/* Progress bar in panel */
.panel-prog {
  padding: 10px 24px 0;
  flex-shrink: 0;
}
.panel-prog-row {
  display: flex; justify-content: space-between;
  font-family: 'DM Mono', monospace;
  font-size: 0.62rem;
  color: var(--muted2);
  margin-bottom: 5px;
}
.panel-prog-row span:last-child { color: var(--accent); }
.pbar-t { height: 2px; background: var(--border); border-radius: 1px; }
.pbar-f { height: 100%; background: linear-gradient(90deg, var(--accent), var(--green)); border-radius: 1px; width: 0%; transition: width 0.5s; }

/* Panel content scrollable */
.panel-body {
  flex: 1;
  overflow-y: auto;
  padding: 20px 24px 40px;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
  max-width: 800px;
  margin: 0 auto;
  width: 100%;
}
.panel-body::-webkit-scrollbar { width: 4px; }
.panel-body::-webkit-scrollbar-track { background: transparent; }
.panel-body::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

/* ── OPGAVE CARD ─────────────────────────────── */
.opgave {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 14px;
  overflow: hidden;
  animation: slideIn 0.3s ease both;
}
@keyframes slideIn {
  from { opacity:0; transform: translateY(10px); }
  to   { opacity:1; transform: translateY(0); }
}
.opgave.rigtigt {
  border-color: rgba(22,163,74,0.7);
  background: rgba(22,163,74,0.06);
  box-shadow: 0 0 0 2px rgba(22,163,74,0.18);
  animation: flashGreen 0.5s ease both;
}
.opgave.forkert {
  border-color: rgba(220,38,38,0.6);
  background: rgba(220,38,38,0.05);
  box-shadow: 0 0 0 2px rgba(220,38,38,0.15);
  animation: flashRed 0.5s ease both;
}
@keyframes flashGreen {
  0%   { background: rgba(22,163,74,0.22); box-shadow: 0 0 0 4px rgba(22,163,74,0.35); }
  100% { background: rgba(22,163,74,0.06); box-shadow: 0 0 0 2px rgba(22,163,74,0.18); }
}
@keyframes flashRed {
  0%   { background: rgba(220,38,38,0.18); box-shadow: 0 0 0 4px rgba(220,38,38,0.28); }
  100% { background: rgba(220,38,38,0.05); box-shadow: 0 0 0 2px rgba(220,38,38,0.15); }
}

.opgave-top {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}
.opgave-nr {
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 2px;
  color: var(--muted2);
}
.opgave-type-tag {
  font-family: 'DM Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 1px;
  color: var(--accent);
  background: rgba(91,141,238,0.1);
  border: 1px solid rgba(91,141,238,0.2);
  padding: 2px 8px;
  border-radius: 4px;
}

.opgave-body { padding: 16px 16px 0; }

.opgave-tekst {
  font-size: 0.92rem;
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 10px;
}

/* MathJax rendered math display */
.math-block {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 14px 18px;
  margin: 10px 0;
  text-align: center;
  font-size: 1.1rem;
  overflow-x: auto;
  min-height: 52px;
  display: flex; align-items: center; justify-content: center;
}

/* Graph */
.graph-wrap {
  border: 1px solid var(--border);
  border-radius: 7px;
  overflow: hidden;
  margin: 10px 0;
  background: var(--bg);
}
.graph-wrap canvas {
  display: block; width: 100%; height: 170px;
}
.graph-caption {
  font-family: 'DM Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 1px;
  color: var(--muted2);
  text-align: center;
  padding: 5px;
  border-top: 1px solid var(--border);
}

/* Answer row */
.svar-wrap { padding: 14px 16px 16px; }
.svar-label {
  font-family: 'DM Mono', monospace;
  font-size: 0.58rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--muted2);
  margin-bottom: 8px;
}
.svar-row { display: flex; gap: 8px; }

.svar-input {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 9px 14px;
  border-radius: 7px;
  font-family: 'DM Mono', monospace;
  font-size: 0.9rem;
  transition: border-color 0.15s;
}
.svar-input:focus { outline: none; border-color: var(--accent); }
.svar-input:disabled { opacity: 0.4; }
.svar-input::placeholder { color: var(--muted2); }

.btn-tjek {
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 9px 16px;
  border-radius: 7px;
  font-family: 'Outfit', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}
.btn-tjek:hover { background: var(--accent); border-color: var(--accent); color: white; }

.feedback {
  margin-top: 8px;
  font-size: 0.82rem;
  font-family: 'DM Mono', monospace;
  min-height: 16px;
  line-height: 1.5;
}
.feedback.r { color: var(--green); }
.feedback.f { color: var(--red); }
.feedback.info { color: var(--accent); }

.vink-row { margin-top: 8px; }
.btn-vink {
  background: none; border: none;
  color: var(--muted2);
  font-size: 0.78rem;
  cursor: pointer;
  font-family: 'Outfit', sans-serif;
  padding: 0;
  text-decoration: underline;
  text-decoration-style: dotted;
  transition: color 0.15s;
}
.btn-vink:hover { color: var(--gold); }
.vink-tekst {
  display: none;
  margin-top: 8px;
  padding: 10px 12px;
  background: rgba(251,191,36,0.06);
  border: 1px solid rgba(251,191,36,0.2);
  border-radius: 6px;
  font-size: 0.8rem;
  color: #c9a93a;
  line-height: 1.6;
  font-family: 'DM Mono', monospace;
}

/* Empty state */
.empty-panel {
  text-align: center;
  padding: 60px 20px;
  color: var(--muted2);
}
.empty-panel .big {
  font-family: 'DM Serif Display', serif;
  font-style: italic;
  font-size: 3rem;
  color: var(--border2);
  margin-bottom: 16px;
  line-height: 1.2;
}
.empty-panel p { font-size: 0.9rem; color: var(--muted2); }

/* Result overlay inside panel */
.result-overlay {
  display: none;
  position: absolute; inset: 0;
  background: rgba(244,246,251,0.92);
  z-index: 10;
  align-items: center; justify-content: center;
  backdrop-filter: blur(8px);
}
.result-overlay.show { display: flex; }
.result-box {
  background: var(--bg2);
  border: 1px solid var(--border2);
  border-radius: 16px;
  padding: 40px 48px;
  text-align: center;
  max-width: 340px;
  width: 90%;
  animation: popIn 0.4s cubic-bezier(0.34,1.56,0.64,1);
  box-shadow: 0 8px 40px rgba(59,111,234,0.12);
}
@keyframes popIn {
  from { transform: scale(0.7); opacity: 0; }
  to   { transform: scale(1); opacity: 1; }
}
.result-eyebrow {
  font-family: 'DM Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--muted2);
  margin-bottom: 10px;
}
.result-title {
  font-family: 'DM Serif Display', serif;
  font-size: 1.8rem;
  font-style: italic;
  margin-bottom: 4px;
}
.result-score {
  font-family: 'DM Mono', monospace;
  font-size: 3rem;
  font-weight: 500;
  color: var(--accent);
  margin: 12px 0 4px;
}
.result-detail {
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 24px;
  line-height: 1.7;
  font-family: 'DM Mono', monospace;
}
.result-hr { height: 1px; background: var(--border); margin: 16px 0; }
.btn-igen {
  background: var(--accent);
  color: white; border: none;
  padding: 12px 32px;
  border-radius: 8px;
  font-family: 'Outfit', sans-serif;
  font-size: 0.9rem; font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}
.btn-igen:hover { background: var(--accent2); }

/* ── MATH INPUT ──────────────────────────────── */
.math-input-wrap {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  transition: border-color 0.15s;
}
.math-input-wrap:focus-within { border-color: var(--accent); }
.math-input-wrap.disabled { opacity: 0.4; pointer-events: none; }

.math-preview {
  min-height: 44px;
  padding: 8px 14px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  color: var(--text);
  overflow-x: auto;
  cursor: text;
  background: #fafbff;
}
.math-preview.empty { color: var(--muted2); font-size: 0.82rem; font-style: italic; justify-content: flex-start; }

/* Raw LaTeX input */
.math-raw {
  width: 100%;
  background: transparent;
  border: none;
  color: var(--muted);
  padding: 7px 14px;
  font-family: 'DM Mono', monospace;
  font-size: 0.78rem;
  outline: none;
  resize: none;
  line-height: 1.5;
}
.math-raw::placeholder { color: var(--muted2); }

/* Symbol keyboard */
.math-keyboard {
  border-top: 1px solid var(--border);
  padding: 8px 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  background: var(--bg3);
}
.math-key-group {
  display: flex;
  gap: 3px;
  flex-wrap: wrap;
}
.math-key-sep {
  width: 1px;
  background: var(--border);
  margin: 0 4px;
  align-self: stretch;
}
.mk {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 5px;
  color: var(--text);
  padding: 4px 8px;
  font-size: 0.78rem;
  font-family: 'DM Mono', monospace;
  cursor: pointer;
  transition: all 0.1s;
  white-space: nowrap;
  line-height: 1.4;
  user-select: none;
}
.mk:hover { background: var(--accent); border-color: var(--accent); color: white; }
.mk:active { transform: scale(0.94); }
.mk.wide { padding: 4px 12px; }

/* Matching feedback */
.match-score {
  display: inline-block;
  margin-left: 8px;
  font-size: 0.75rem;
  opacity: 0.7;
}


/* ── NOTER PANEL ─────────────────────────────── */
/* Main styles defined in NOTER PANEL FIX section below */

/* noter-sidebar, noter-content, noter-page: defined in NOTER PANEL FIX section below */

.noter-page h1 {
  font-family: 'DM Serif Display', serif;
  font-size: 2rem;
  font-style: italic;
  color: var(--text);
  margin-bottom: 6px;
  letter-spacing: -0.5px;
}
.noter-page .page-sub {
  font-size: 0.88rem;
  color: var(--muted);
  margin-bottom: 32px;
  font-style: italic;
}

/* Section boxes */
.note-section {
  margin-bottom: 28px;
}
.note-section h2 {
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--muted2);
  margin-bottom: 12px;
  display: flex; align-items: center; gap: 10px;
}
.note-section h2::after { content:''; flex:1; height:1px; background:var(--border); }

/* Note intro — pædagogisk indgang øverst i hver note */
.note-intro {
  background: rgba(16,185,129,0.06);
  border: 1px solid rgba(16,185,129,0.2);
  border-left: 3px solid #10b981;
  border-radius: 8px;
  padding: 14px 18px;
  margin-bottom: 20px;
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.7;
}
.note-intro p {
  margin: 0 0 8px 0;
}
.note-intro p:last-child {
  margin-bottom: 0;
}
.note-intro ul {
  margin: 4px 0 0 0;
  padding-left: 18px;
}
.note-intro strong {
  color: var(--text);
}

/* Formula box */
.formel-boks {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  padding: 16px 20px;
  margin-bottom: 12px;
  overflow-x: auto;
}
.formel-boks .formel-label {
  font-family: 'DM Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}
.formel-boks .formel-tekst {
  font-size: 1.05rem;
  color: var(--text);
  line-height: 1.6;
}

/* Step-by-step example */
.eksempel {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 12px;
}
.eksempel-header {
  background: var(--bg);
  padding: 10px 16px;
  display: flex; align-items: center; gap: 10px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  user-select: none;
}
.eksempel-header:hover { background: var(--border); }
.eksempel-label {
  font-family: 'DM Mono', monospace;
  font-size: 0.62rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted2);
}
.eksempel-titel {
  font-size: 0.9rem;
  color: var(--text);
  font-weight: 500;
}
.eksempel-toggle {
  margin-left: auto;
  font-size: 0.8rem;
  color: var(--muted2);
  transition: transform 0.2s;
}
.eksempel-toggle.open { transform: rotate(180deg); }

.eksempel-body {
  display: none;
  padding: 16px 20px;
}
.eksempel-body.open { display: block; }

/* Steps */
.trin {
  display: flex;
  gap: 14px;
  margin-bottom: 14px;
  align-items: flex-start;
}
.trin-nr {
  width: 26px; height: 26px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}
.trin-indhold {
  flex: 1;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--muted);
}
.trin-indhold strong { color: var(--text); }
.trin-indhold .mat { color: var(--text); }

/* Color highlights for tracking numbers */
.c-a  { color: #3b82f6; font-weight: 600; }  /* blue - a */
.c-b  { color: #10b981; font-weight: 600; }  /* green - b */
.c-n  { color: #f59e0b; font-weight: 600; }  /* gold - n */
.c-x  { color: #8b5cf6; font-weight: 600; }  /* purple - x */
.c-r  { color: #ef4444; font-weight: 600; }  /* red - result */
.c-k  { color: #06b6d4; font-weight: 600; }  /* cyan - k/constant */

/* Color legend */
.farve-legend {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-bottom: 16px;
  padding: 10px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 7px;
}
.farve-chip {
  display: flex; align-items: center; gap: 5px;
  font-size: 0.75rem;
  font-family: 'DM Mono', monospace;
}
.farve-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
}

/* Info box */
.info-boks {
  background: rgba(91,141,238,0.07);
  border: 1px solid rgba(91,141,238,0.2);
  border-radius: 7px;
  padding: 12px 16px;
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 12px;
}

/* Note link from opgave */
.btn-noter-link {
  display: inline-flex; align-items: center; gap: 5px;
  background: none; border: none;
  color: var(--muted2);
  font-size: 0.75rem;
  cursor: pointer;
  padding: 0;
  font-family: 'Outfit', sans-serif;
  text-decoration: underline;
  text-decoration-style: dotted;
  transition: color 0.15s;
  margin-top: 4px;
}
.btn-noter-link:hover { color: var(--accent); }

/* noter mobile: see NOTER CSS block below */


/* ── EKSAMENSSIMULATOR ───────────────────────────────── */
.sim-overlay {
  display:none; position:fixed; top:0;left:0;right:0;bottom:0;
  background:var(--bg); z-index:300; overflow-y:auto;
}
.sim-overlay.open { display:block; }
.sim-topbar {
  position:sticky; top:0; z-index:10;
  background:var(--bg); border-bottom:1px solid var(--border);
  display:flex; align-items:center; gap:14px;
  padding:0 24px; height:52px; flex-shrink:0;
}
.sim-title { font-family:'DM Serif Display',serif; font-size:1rem; font-style:italic; }
.sim-part-badge {
  font-family:'DM Mono',monospace; font-size:0.58rem;
  letter-spacing:2px; text-transform:uppercase;
  padding:3px 8px; border-radius:4px;
  background:var(--bg3); color:var(--muted2);
}
.sim-timer {
  margin-left:auto; font-family:'DM Mono',monospace;
  font-size:1.05rem; font-weight:500; color:var(--text);
  background:var(--bg3); padding:4px 14px; border-radius:8px;
  min-width:78px; text-align:center; transition:all 0.3s;
}
.sim-timer.warning{color:#b45309;background:rgba(180,83,9,0.1);}
.sim-timer.danger{color:var(--red);background:rgba(220,38,38,0.1);}
.btn-sim-luk {
  background:none;border:1px solid var(--border);border-radius:7px;
  color:var(--muted);font-family:'Outfit',sans-serif;
  font-size:0.8rem;padding:5px 12px;cursor:pointer;transition:all 0.15s;
}
.btn-sim-luk:hover{background:var(--border);}
.sim-prog-bar{height:3px;background:var(--border);}
.sim-prog-fill{height:100%;background:var(--accent);transition:width 0.4s;}
.sim-body{max-width:680px;margin:0 auto;padding:32px 24px 80px;}

/* Start screen */
.sim-start{text-align:center;padding:48px 0;}
.sim-start h1{font-family:'DM Serif Display',serif;font-size:2.2rem;font-style:italic;margin-bottom:10px;}
.sim-start p{color:var(--muted);line-height:1.7;max-width:480px;margin:0 auto 8px;}
.sim-rules{background:var(--bg3);border:1px solid var(--border);border-radius:10px;padding:20px 24px;margin:24px 0;text-align:left;}
.sim-rules h3{font-family:'DM Mono',monospace;font-size:0.6rem;letter-spacing:2px;text-transform:uppercase;color:var(--muted2);margin-bottom:12px;}
.sim-rule{display:flex;gap:10px;font-size:0.86rem;color:var(--muted);margin-bottom:7px;line-height:1.5;align-items:flex-start;}
.btn-sim-start{background:var(--accent);color:white;border:none;border-radius:10px;font-family:'Outfit',sans-serif;font-size:1rem;font-weight:600;padding:14px 36px;cursor:pointer;transition:all 0.15s;margin-top:8px;}
.btn-sim-start:hover{opacity:0.88;transform:translateY(-1px);}
.btn-sim-start2{background:var(--bg3);color:var(--text);border:1px solid var(--border);border-radius:10px;font-family:'Outfit',sans-serif;font-size:0.9rem;font-weight:500;padding:11px 24px;cursor:pointer;transition:all 0.15s;margin-top:8px;margin-left:10px;}
.btn-sim-start2:hover{background:var(--border);}

/* Del-header */
.sim-del-header{background:var(--bg3);border:1px solid var(--border);border-radius:10px;padding:16px 20px;margin-bottom:20px;}
.sim-del-title{font-family:'DM Serif Display',serif;font-size:1.2rem;font-style:italic;margin-bottom:4px;}
.sim-del-desc{font-size:0.82rem;color:var(--muted);line-height:1.5;}

/* Opgave card */
.sim-opg{background:var(--bg3);border:1px solid var(--border);border-radius:12px;padding:20px 22px;margin-bottom:14px;transition:border-color 0.2s;}
.sim-opg.answered-correct{border-color:rgba(22,163,74,0.35);background:rgba(22,163,74,0.03);}
.sim-opg.answered-wrong{border-color:rgba(220,38,38,0.25);background:rgba(220,38,38,0.03);}
.sim-opg-hdr{display:flex;align-items:center;gap:8px;margin-bottom:12px;}
.sim-opg-nr{font-family:'DM Mono',monospace;font-size:0.62rem;letter-spacing:2px;text-transform:uppercase;color:var(--muted2);}
.sim-opg-tag{font-family:'DM Mono',monospace;font-size:0.58rem;background:var(--bg);color:var(--muted2);padding:2px 6px;border-radius:4px;border:1px solid var(--border);}
.sim-opg-pts{margin-left:auto;font-family:'DM Mono',monospace;font-size:0.6rem;color:var(--muted2);}

/* Del 2 submit */
.sim-submit-row{text-align:center;padding:24px 0;}
.btn-sim-submit{background:var(--accent);color:white;border:none;border-radius:10px;font-family:'Outfit',sans-serif;font-size:1rem;font-weight:600;padding:14px 36px;cursor:pointer;transition:all 0.15s;}
.btn-sim-submit:hover{opacity:0.88;}

/* Results */
.sim-results{text-align:center;padding:32px 0;}
.sim-score-circle{width:140px;height:140px;border-radius:50%;background:var(--accent);color:white;display:flex;flex-direction:column;align-items:center;justify-content:center;margin:0 auto 16px;}
.sim-score-big{font-family:'DM Serif Display',serif;font-size:3rem;font-weight:700;line-height:1;}
.sim-score-pts{font-size:0.75rem;opacity:0.85;}
.sim-grade{font-family:'DM Serif Display',serif;font-size:1.5rem;font-style:italic;color:var(--text);margin-bottom:4px;}
.sim-grade-sub{font-size:0.83rem;color:var(--muted);margin-bottom:28px;}
.sim-stats{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px;margin-bottom:20px;}
.sim-stat{background:var(--bg3);border:1px solid var(--border);border-radius:8px;padding:12px;}
.sim-stat-val{font-family:'DM Mono',monospace;font-size:1.1rem;font-weight:500;color:var(--text);}
.sim-stat-lbl{font-size:0.72rem;color:var(--muted2);margin-top:2px;}
.sim-profile{background:var(--bg3);border:1px solid var(--border);border-radius:10px;padding:16px 20px;margin-bottom:14px;text-align:left;}
.sim-profile h3{font-family:'DM Mono',monospace;font-size:0.6rem;letter-spacing:2px;text-transform:uppercase;color:var(--muted2);margin-bottom:10px;}
.sim-profile-item{display:flex;align-items:center;gap:10px;font-size:0.83rem;color:var(--muted);margin-bottom:6px;}
.sim-profile-bar{flex:1;height:5px;background:var(--border);border-radius:3px;overflow:hidden;}
.sim-profile-fill{height:100%;border-radius:3px;transition:width 0.6s;}
.sim-review-list{text-align:left;margin-top:24px;}
.sim-review-list h3{font-family:'DM Mono',monospace;font-size:0.6rem;letter-spacing:2px;text-transform:uppercase;color:var(--muted2);margin-bottom:12px;}
.sim-review-item{display:flex;gap:10px;padding:10px 0;border-bottom:1px solid var(--border);align-items:flex-start;}
.sim-review-icon{font-size:1rem;flex-shrink:0;margin-top:1px;}
.sim-review-body{flex:1;font-size:0.83rem;}
.sim-review-label{color:var(--muted2);font-size:0.72rem;margin-bottom:2px;}
.sim-review-facit{color:var(--muted);font-size:0.8rem;margin-top:3px;}


/* ── LANDING PAGE — akademisk & seriøst ─────────── */
.landing {
  border-bottom: 2px solid var(--border);
}

/* Hero — venstrestillet, akademisk layout */
.landing-hero {
  max-width: 820px; margin: 0 auto;
  padding: 80px 48px 64px;
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 48px;
  align-items: center;
}
.landing-hero-left { }
.landing-eyebrow {
  font-family: 'DM Mono', monospace;
  font-size: 0.58rem; letter-spacing: 3px;
  text-transform: uppercase; color: var(--muted2);
  margin-bottom: 16px;
  display: flex; align-items: center; gap: 10px;
}
.landing-eyebrow::after {
  content: ''; flex: 1; max-width: 40px;
  height: 1px; background: var(--border);
}
.landing-h1 {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  line-height: 1.1; color: var(--text);
  margin-bottom: 16px; letter-spacing: -0.5px;
  font-style: italic;
}
.landing-h1 strong { font-style: normal; color: var(--accent); }
.landing-sub {
  font-size: 0.92rem; color: var(--muted);
  line-height: 1.8; margin-bottom: 28px;
  max-width: 440px;
}
.landing-cta {
  display: flex; gap: 10px; flex-wrap: wrap;
  margin-bottom: 24px;
}
.btn-landing-primary {
  background: var(--text); color: var(--bg);
  border: none; border-radius: 6px;
  font-family: 'Outfit', sans-serif;
  font-size: 0.88rem; font-weight: 600;
  padding: 11px 24px; cursor: pointer;
  transition: opacity 0.15s;
  letter-spacing: 0.3px;
}
.btn-landing-primary:hover { opacity: 0.82; }
.btn-landing-secondary {
  background: transparent; color: var(--muted);
  border: 1px solid var(--border); border-radius: 6px;
  font-family: 'Outfit', sans-serif;
  font-size: 0.85rem; font-weight: 400;
  padding: 11px 20px; cursor: pointer;
  transition: all 0.15s;
}
.btn-landing-secondary:hover { border-color: var(--text); color: var(--text); }

/* Countdown — diskret */
.landing-countdown {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.78rem; color: var(--muted2);
  font-family: 'DM Mono', monospace;
}
.landing-countdown-num {
  color: var(--accent); font-weight: 600;
}

/* Right side — stats boks */
.landing-hero-right {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
}
.landing-hero-right-title {
  font-family: 'DM Mono', monospace;
  font-size: 0.58rem; letter-spacing: 2px;
  text-transform: uppercase; color: var(--muted2);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.landing-stat-row {
  display: flex; justify-content: space-between;
  align-items: baseline;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.83rem;
}
.landing-stat-row:last-child { border-bottom: none; }
.landing-stat-row-lbl { color: var(--muted); }
.landing-stat-row-val {
  font-family: 'DM Mono', monospace;
  font-size: 0.88rem; font-weight: 500;
  color: var(--text);
}

/* Features — tabel-agtig liste */
.landing-features {
  border-top: 1px solid var(--border);
  max-width: 820px; margin: 0 auto;
  padding: 0 48px 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}
.landing-features-header {
  grid-column: 1/-1;
  font-family: 'DM Mono', monospace;
  font-size: 0.58rem; letter-spacing: 3px;
  text-transform: uppercase; color: var(--muted2);
  padding: 32px 0 16px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0;
}
.landing-feature {
  padding: 20px 24px 20px 0;
  border-bottom: 1px solid var(--border);
  display: flex; gap: 14px; align-items: flex-start;
}
.landing-feature:nth-child(even) {
  padding-left: 24px; padding-right: 0;
  border-left: 1px solid var(--border);
}
.landing-feature-icon {
  font-size: 1rem; flex-shrink: 0; margin-top: 2px;
}
.landing-feature-title {
  font-weight: 600; font-size: 0.88rem;
  color: var(--text); margin-bottom: 4px;
}
.landing-feature-desc {
  font-size: 0.8rem; color: var(--muted);
  line-height: 1.6;
}

@media(max-width:700px){
  .landing-hero {
    grid-template-columns: 1fr;
    padding: 40px 20px 32px;
    gap: 28px;
  }
  .landing-hero-right { display: none; }
  .landing-features { padding: 0 20px 32px; grid-template-columns: 1fr; }
  .landing-feature:nth-child(even) { padding-left: 0; border-left: none; }
}


/* ── TOPICS OVERLAY ──────────────────────────────── */
.topics-overlay {
  display: none;
  min-height: 100vh;
  background: var(--bg);
  padding: 0 0 64px;
  position: relative;
  z-index: 50;
}
.topics-overlay.open { display: block; }

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.topics-overlay-header {
  display: flex; align-items: center;
  justify-content: space-between;
  padding: 20px 32px;
  border-bottom: 1px solid var(--border);
  position: sticky; top: 52px; z-index: 10;
  background: var(--bg);
}
.topics-overlay-eyebrow {
  font-family: 'DM Mono', monospace;
  font-size: 0.58rem; letter-spacing: 2px;
  text-transform: uppercase; color: var(--muted2);
  margin-bottom: 3px;
}
.topics-overlay-title {
  font-family: 'DM Serif Display', serif;
  font-size: 1.2rem; font-style: italic;
  color: var(--text);
}
.topics-overlay-luk {
  background: none; border: 1px solid var(--border);
  border-radius: 6px; color: var(--muted);
  font-family: 'Outfit', sans-serif;
  font-size: 0.82rem; padding: 7px 14px;
  cursor: pointer; transition: all 0.15s;
}
.topics-overlay-luk:hover { background: var(--bg2); color: var(--text); }
.topics-overlay-svaerhed {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 32px;
  border-bottom: 1px solid var(--border);
}

/* Hide the old topics section label spacing */
.topics-overlay .section-label {
  padding-left: 32px;
}
.topics-overlay .topic-grid {
  padding: 0 32px;
}

@media(max-width:600px){
  .topics-overlay-header { padding: 14px 16px; }
  .topics-overlay .section-label { padding-left: 16px; }
  .topics-overlay .topic-grid { padding: 0 16px; }
  .topics-overlay-svaerhed { padding: 12px 16px; }
}


/* ── MC LYNRUNDE ─────────────────────────────────── */
.mc-overlay {
  display:none; position:fixed; top:0;left:0;right:0;bottom:0;
  background:var(--bg); z-index:300; overflow-y:auto;
}
.mc-overlay.open { display:block; }

.mc-topbar {
  position:sticky; top:0; z-index:10;
  background:var(--bg); border-bottom:1px solid var(--border);
  display:flex; align-items:center; gap:14px;
  padding:0 24px; height:52px;
}
.mc-timer-display {
  font-family:'DM Mono',monospace;
  font-size:1.4rem; font-weight:500;
  color:var(--text); margin-left:auto;
  background:var(--bg3); padding:4px 16px;
  border-radius:8px; min-width:90px; text-align:center;
  transition:all 0.3s;
}
.mc-timer-display.running { color:var(--accent); }
.mc-timer-display.done { color:var(--green); }

.mc-body { max-width:620px; margin:0 auto; padding:32px 24px 80px; }

/* Start screen */
.mc-start { text-align:center; padding:48px 0; }
.mc-start h1 { font-family:'DM Serif Display',serif; font-size:2rem; font-style:italic; margin-bottom:8px; }
.mc-start p { color:var(--muted); line-height:1.7; margin-bottom:20px; }

/* Question */
.mc-q-card {
  background:var(--bg3); border:1px solid var(--border);
  border-radius:12px; overflow:hidden; margin-bottom:16px;
}
.mc-q-header { padding:16px 20px 12px; border-bottom:1px solid var(--border); }
.mc-q-meta { display:flex; gap:8px; align-items:center; margin-bottom:10px; }
.mc-q-nr {
  font-family:'DM Mono',monospace; font-size:0.6rem;
  letter-spacing:2px; text-transform:uppercase; color:var(--muted2);
}
.mc-q-cat {
  font-family:'DM Mono',monospace; font-size:0.58rem;
  background:var(--bg); color:var(--muted2);
  padding:2px 6px; border-radius:4px; border:1px solid var(--border);
}
.mc-q-text { font-size:0.95rem; color:var(--text); line-height:1.6; }
.mc-opts { padding:12px 16px; display:flex; flex-direction:column; gap:6px; }
.mc-opt {
  background:var(--bg); border:1.5px solid var(--border);
  border-radius:8px; padding:10px 14px;
  font-family:'Outfit',sans-serif; font-size:0.87rem;
  color:var(--text); text-align:left; cursor:pointer;
  transition:all 0.12s; display:flex; align-items:center; gap:10px;
}
.mc-opt:hover:not(:disabled) { border-color:var(--accent); background:var(--bg2); }
.mc-opt.correct { background:rgba(22,163,74,0.08); border-color:var(--green); color:var(--green); }
.mc-opt.wrong { background:rgba(220,38,38,0.07); border-color:var(--red); color:var(--red); }
.mc-opt:disabled { cursor:default; }
.mc-opt-letter {
  font-family:'DM Mono',monospace; font-size:0.7rem;
  width:22px; height:22px; border:1.5px solid var(--border);
  border-radius:4px; display:flex; align-items:center;
  justify-content:center; flex-shrink:0; color:var(--muted2);
}
.mc-opt.correct .mc-opt-letter { border-color:var(--green); color:var(--green); }
.mc-opt.wrong .mc-opt-letter { border-color:var(--red); color:var(--red); }
.mc-feedback {
  padding:10px 20px; font-size:0.82rem; line-height:1.5;
  border-top:1px solid var(--border); display:none;
}
.mc-feedback.show { display:block; }
.mc-feedback.ok { color:var(--green); background:rgba(22,163,74,0.05); }
.mc-feedback.nej { color:var(--red); background:rgba(220,38,38,0.04); }

/* Progress */
.mc-prog-dots { display:flex; gap:4px; flex-wrap:wrap; margin-bottom:16px; }
.mc-prog-dot {
  width:12px; height:12px; border-radius:50%;
  background:var(--border); transition:background 0.2s;
}
.mc-prog-dot.ok { background:var(--green); }
.mc-prog-dot.nej { background:var(--red); }
.mc-prog-dot.aktiv { background:var(--accent); }

/* Results */
.mc-results { text-align:center; padding:32px 0; }
.mc-final-time {
  font-family:'DM Mono',monospace; font-size:3.5rem;
  font-weight:500; color:var(--accent); margin-bottom:4px;
}
.mc-final-score { font-size:0.9rem; color:var(--muted); margin-bottom:24px; }
.mc-highscore-list {
  background:var(--bg3); border:1px solid var(--border);
  border-radius:10px; padding:16px 20px;
  margin-bottom:20px; text-align:left;
}
.mc-highscore-list h3 {
  font-family:'DM Mono',monospace; font-size:0.6rem;
  letter-spacing:2px; text-transform:uppercase;
  color:var(--muted2); margin-bottom:12px;
}
.mc-hs-item {
  display:flex; justify-content:space-between;
  align-items:center; padding:7px 0;
  border-bottom:1px solid var(--border);
  font-size:0.83rem;
}
.mc-hs-item:last-child { border-bottom:none; }
.mc-hs-rank { color:var(--muted2); font-family:'DM Mono',monospace; font-size:0.75rem; }
.mc-hs-time { font-family:'DM Mono',monospace; font-weight:500; color:var(--accent); }
.mc-hs-score { font-size:0.75rem; color:var(--muted2); }
.mc-hs-date { font-size:0.72rem; color:var(--muted2); }
.mc-hs-new { color:var(--gold); font-size:0.7rem; font-weight:600; margin-left:6px; }


/* Genkendelsesmønster */
.genkend-boks {
  background: rgba(59,111,234,0.05);
  border: 1px solid rgba(59,111,234,0.2);
  border-left: 3px solid var(--accent);
  border-radius: 8px; padding: 14px 18px;
  margin-bottom: 12px;
}
.genkend-boks .genkend-label {
  font-family: 'DM Mono', monospace;
  font-size: 0.6rem; letter-spacing: 2px;
  text-transform: uppercase; color: var(--accent);
  margin-bottom: 8px;
}
.genkend-boks ul {
  margin: 0; padding-left: 18px;
  font-size: 0.85rem; color: var(--muted);
  line-height: 1.7;
}

/* Fejl-boks */
.fejl-boks {
  background: rgba(220,38,38,0.05);
  border: 1px solid rgba(220,38,38,0.2);
  border-radius: 8px; padding: 14px 18px;
  margin-bottom: 12px;
}
.fejl-boks .fejl-label {
  font-family: 'DM Mono', monospace;
  font-size: 0.6rem; letter-spacing: 2px;
  text-transform: uppercase; color: var(--red);
  margin-bottom: 8px;
}
.fejl-boks ul {
  margin: 0; padding-left: 18px;
  font-size: 0.85rem; color: var(--muted);
  line-height: 1.7;
}

/* Streak widget */
.streak-widget {
  display: flex; align-items: center; gap: 12px;
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: 10px; padding: 12px 18px;
  margin-bottom: 0;
}

/* Interaktiv graf */
.interaktiv-graf {
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: 10px; padding: 16px;
  margin-bottom: 12px;
}
.interaktiv-graf-label {
  font-family: 'DM Mono', monospace;
  font-size: 0.6rem; letter-spacing: 2px;
  text-transform: uppercase; color: var(--muted2);
  margin-bottom: 10px;
}
.slider-row {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 8px; font-size: 0.82rem; color: var(--muted);
}
.slider-row input[type=range] {
  flex: 1; accent-color: var(--accent);
}
.slider-val {
  font-family: 'DM Mono', monospace;
  font-size: 0.8rem; color: var(--accent);
  min-width: 40px; text-align: right;
}

/* ── RESPONSIVE ─────────────────────────────── */
@media (max-width:600px) {
  nav { padding: 0 16px; }
  .hero { padding: 48px 16px 40px; }
  .topics-section { padding: 0 16px 48px; }
  .panel-controls { gap: 8px; }
  select { font-size: 0.78rem; }
}
/* ═══════════════════════════════════════════════════════
   ONBOARDING MODAL
   ═══════════════════════════════════════════════════════ */
.onboarding-overlay {
  position: fixed; inset: 0; z-index: 9999;
  background: rgba(26,31,54,0.7);
  backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: opacity 0.3s ease;
}
.onboarding-overlay.show {
  opacity: 1; pointer-events: all;
}
.onboarding-modal {
  background: var(--bg2);
  border-radius: 16px;
  max-width: 520px; width: 90%;
  box-shadow: 0 20px 60px rgba(59,111,234,0.25);
  animation: slideUp 0.4s ease;
}
@keyframes slideUp {
  from { transform: translateY(40px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
.onboarding-header {
  padding: 32px 32px 24px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}
.onboarding-content {
  padding: 24px 32px;
}
.onboarding-step {
  display: flex; gap: 16px; align-items: flex-start;
  margin-bottom: 20px;
}
.onboarding-step:last-child { margin-bottom: 0; }
.onboarding-step-icon {
  font-size: 1.8rem;
  flex-shrink: 0;
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(59,111,234,0.08), rgba(59,111,234,0.02));
  border-radius: 12px;
}
.onboarding-step-title {
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 4px;
  color: var(--text);
}
.onboarding-step-desc {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.5;
}
.onboarding-footer {
  padding: 24px 32px 32px;
  text-align: center;
}
.btn-onboarding-start {
  background: var(--accent);
  color: white;
  border: none;
  padding: 14px 32px;
  border-radius: 10px;
  font-family: 'Outfit', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-onboarding-start:hover {
  background: var(--accent2);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(59,111,234,0.3);
}

/* ═══════════════════════════════════════════════════════
   FORBEDRET FEEDBACK BOX
   ═══════════════════════════════════════════════════════ */
.feedback-enhanced {
  margin-top: 12px;
  padding: 14px 16px;
  border-radius: 10px;
  font-size: 0.88rem;
  line-height: 1.7;
  animation: slideIn 0.25s ease both;
}
.feedback-enhanced.correct {
  background: rgba(22,163,74,0.10);
  border: 1px solid rgba(22,163,74,0.40);
  border-left: 4px solid var(--green);
  color: #15803d;
}
.feedback-enhanced.almost {
  background: rgba(180,83,9,0.10);
  border: 1px solid rgba(180,83,9,0.35);
  border-left: 4px solid #d97706;
  color: #92400e;
}
.feedback-enhanced.incorrect {
  background: rgba(220,38,38,0.09);
  border: 1px solid rgba(220,38,38,0.35);
  border-left: 4px solid var(--red);
  color: #b91c1c;
}
.feedback-row {
  display: flex;
  gap: 12px;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid rgba(0,0,0,0.08);
}
.feedback-col {
  flex: 1;
}
.feedback-label {
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  opacity: 0.6;
  margin-bottom: 4px;
}
.feedback-value {
  font-family: 'DM Mono', monospace;
  font-size: 0.9rem;
  font-weight: 500;
}
.btn-try-again {
  margin-top: 10px;
  padding: 8px 16px;
  background: rgba(59,111,234,0.08);
  border: 1px solid rgba(59,111,234,0.18);
  color: var(--accent);
  border-radius: 7px;
  font-family: 'Outfit', sans-serif;
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-try-again:hover {
  background: rgba(59,111,234,0.15);
  border-color: var(--accent);
}
.btn-noter-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 8px;
  padding: 6px 12px;
  background: rgba(59,111,234,0.08);
  border: 1px solid rgba(59,111,234,0.15);
  color: var(--accent);
  border-radius: 6px;
  font-family: 'Outfit', sans-serif;
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  text-decoration: none;
}
.btn-noter-link:hover {
  background: rgba(59,111,234,0.12);
  border-color: var(--accent);
  transform: translateX(2px);
}

/* ═══════════════════════════════════════════════════════
   NOTER PANEL FIX
   ═══════════════════════════════════════════════════════ */
/* ══════════════════════════════════════════════════════════════
   NOTER PANEL — komplet layout definition (enkelt kilde)
   ══════════════════════════════════════════════════════════════ */

/* ── Panel wrapper ─────────────────────────────────────────── */
.noter-panel {
  position: fixed;
  top: 0; right: -100%; bottom: 0;
  width: 100vw;
  background: var(--bg2);
  box-shadow: -8px 0 40px rgba(26,31,54,0.15);
  z-index: 10100;
  transition: right 0.3s ease;
  display: flex;
  flex-direction: row;
  visibility: hidden;
  overflow: hidden;
}
.noter-panel.open {
  right: 0;
  visibility: visible;
}

/* ── Sidebar ───────────────────────────────────────────────── */
.noter-sidebar {
  width: 280px;
  min-width: 200px;
  background: var(--bg3);
  border-right: 1px solid var(--border);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.noter-sidebar-header {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  background: var(--bg3);
}
.noter-sidebar-actions {
  display: flex;
  gap: 6px;
}
.btn-noter-tilbage {
  flex: 1;
  padding: 7px 10px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: 'Outfit', sans-serif;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--muted);
  cursor: pointer;
  transition: all 0.15s;
}
.btn-noter-tilbage:hover {
  background: var(--bg3);
  border-color: var(--accent);
  color: var(--accent);
}
.noter-menu {
  flex: 1;
  overflow-y: auto;
  padding: 8px 0;
  min-height: 0;
}
.noter-menu-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 18px;
  cursor: pointer;
  font-size: 0.92rem;
  color: var(--muted);
  transition: all 0.12s;
  border-left: 3px solid transparent;
}
.noter-menu-item:hover { background: var(--bg2); color: var(--text); }
.noter-menu-item.active {
  background: var(--bg2);
  color: var(--accent);
  border-left-color: var(--accent);
  font-weight: 500;
}
.noter-menu-icon {
  font-size: 1.05rem;
  width: 26px;
  text-align: center;
  flex-shrink: 0;
  font-style: italic;
  font-family: 'DM Serif Display', serif;
}

/* ── Content area ──────────────────────────────────────────── */
.noter-content {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  min-height: 0;
}

/* ── Note pages ────────────────────────────────────────────── */
.noter-page {
  display: none;
  padding: 40px 48px 80px;
  max-width: 820px;
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
}
.noter-page.active {
  display: block;
}

/* ── Mobile ────────────────────────────────────────────────── */
@media (max-width: 600px) {
  .noter-panel.open { flex-direction: column; }
  .noter-sidebar { width: 100%; min-width: unset; flex-shrink: 0; overflow-y: auto; max-height: 45vh; border-right: none; border-bottom: 1px solid var(--border); }
  .noter-menu { max-height: unset; }
  .noter-content { flex: 1; min-height: 0; }
  .noter-page { padding: 24px 20px 60px; }
}

/* ═══════════════════════════════════════════════════════
   MOBILE RESPONSIVE FIXES
   ═══════════════════════════════════════════════════════ */
@media (max-width: 600px) {
  .onboarding-modal {
    width: 95%;
    max-width: none;
    margin: 20px;
  }
  .onboarding-header {
    padding: 24px 20px 18px;
  }
  .onboarding-content {
    padding: 20px;
  }
  .onboarding-step {
    gap: 12px;
  }
  .onboarding-step-icon {
    width: 40px; height: 40px;
    font-size: 1.5rem;
  }
  .onboarding-footer {
    padding: 20px;
  }
}

/* ═══════════════════════════════════════════════════════
   FASE 1+2 FEATURES STYLING
   ═══════════════════════════════════════════════════════ */

/* ── FAVORIT STJERNE PÅ EMNE-KORT ── */
.topic-star {
  position: absolute;
  top: 16px;
  right: 16px;
  font-size: 1.3rem;
  cursor: pointer;
  opacity: 0.3;
  transition: all 0.2s;
  z-index: 5;
  user-select: none;
}
.topic-star:hover {
  opacity: 1;
  transform: scale(1.2);
}
.topic-star.active {
  opacity: 1;
  filter: drop-shadow(0 2px 4px rgba(251,191,36,0.4));
}

/* ── SEARCH & FILTER BAR ── */
.search-filter-bar {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
  align-items: center;
}
.search-input-wrapper {
  flex: 1;
  position: relative;
}
.search-input {
  width: 100%;
  padding: 12px 16px 12px 42px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg2);
  font-family: 'Outfit', sans-serif;
  font-size: 0.9rem;
  transition: all 0.2s;
}
.search-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(59,111,234,0.1);
}
.search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.1rem;
  opacity: 0.4;
  pointer-events: none;
}
.filter-favorit-btn {
  padding: 10px 18px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg2);
  font-family: 'Outfit', sans-serif;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text);
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}
.filter-favorit-btn:hover {
  border-color: var(--accent);
  background: rgba(59,111,234,0.05);
}
.filter-favorit-btn.active {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

/* ── EMPTY SEARCH MESSAGE ── */
.empty-search-message {
  text-align: center;
  padding: 60px 20px;
  color: var(--muted);
  display: none;
}
.empty-search-message-icon {
  font-size: 3rem;
  margin-bottom: 12px;
  opacity: 0.3;
}
.empty-search-message-text {
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: 6px;
}
.empty-search-message-hint {
  font-size: 0.85rem;
  opacity: 0.7;
}

/* ── HISTORIK WIDGET ── */
.historik-widget {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 24px;
}
.widget-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.widget-icon {
  font-size: 1.3rem;
}
.widget-title {
  font-weight: 600;
  font-size: 0.95rem;
}
.historik-liste {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.historik-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 12px;
  border-radius: 8px;
  background: var(--bg3);
  cursor: pointer;
  transition: all 0.15s;
}
.historik-item:hover {
  background: var(--border);
  transform: translateX(4px);
}
.historik-navn {
  font-size: 0.88rem;
  font-weight: 500;
}
.historik-tid {
  font-family: 'DM Mono', monospace;
  font-size: 0.75rem;
  color: var(--muted2);
}

/* ── BREADCRUMBS ── */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  padding: 8px 0;
  font-size: 0.85rem;
}

/* ── TOAST MELDINGER ── */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  padding: 14px 24px;
  background: var(--text);
  color: white;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 500;
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
  z-index: 10000;
  transition: transform 0.3s ease;
}
.toast.show {
  transform: translateX(-50%) translateY(0);
}
.toast-success {
  background: var(--green);
}
.toast-error {
  background: var(--red);
}

/* ── FORSIDE PROGRESS WIDGET ── */
.progress-widget {
  background: linear-gradient(135deg, rgba(59,111,234,0.05), rgba(59,111,234,0.02));
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
  margin-bottom: 32px;
}
.progress-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}
.progress-icon {
  font-size: 1.5rem;
}
.progress-title {
  font-weight: 600;
  font-size: 1.1rem;
}
.progress-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}
.progress-stat {
  text-align: center;
}
.progress-stat-value {
  font-family: 'DM Serif Display', serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 6px;
}
.progress-stat-label {
  font-size: 0.8rem;
  color: var(--muted);
}
.progress-bar-container {
  height: 8px;
  background: var(--border);
  border-radius: 8px;
  overflow: hidden;
}
.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  border-radius: 8px;
  transition: width 0.6s ease;
}

/* ── STREAK COUNTER ── */
.streak-container {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: linear-gradient(135deg, rgba(251,191,36,0.08), rgba(251,191,36,0.03));
  border: 1px solid rgba(251,191,36,0.2);
  border-radius: 12px;
}
.streak-icon {
  font-size: 1.8rem;
  filter: drop-shadow(0 2px 4px rgba(251,191,36,0.3));
}
.streak-info {
  display: flex;
  flex-direction: column;
}
.streak-number {
  font-family: 'DM Serif Display', serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1;
}
.streak-label {
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 2px;
}

/* ── KEYBOARD SHORTCUT HINTS ── */
.keyboard-hint {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 6px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem;
  color: var(--muted2);
}

/* ── FORBEDRET NOTER SIDEBAR ── */

/* ═══════════════════════════════════════════
   EMPTY STATE (NO FAVORITES, NO RECENT)
   ═══════════════════════════════════════════ */
.empty-state {
  text-align: center;
  padding: 32px 20px;
  color: var(--muted);
}

.empty-state-icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
  opacity: 0.4;
}

.empty-state-text {
  font-size: 0.88rem;
  line-height: 1.6;
}

/* ═══════════════════════════════════════════
   MOBILE RESPONSIVE
   ═══════════════════════════════════════════ */
@media (max-width: 600px) {
  .search-filter-bar {
    flex-direction: column;
    gap: 10px;
  }
  
  .favorite-filter {
    width: 100%;
    justify-content: center;
  }
  
  .breadcrumbs {
    font-size: 0.75rem;
    padding: 10px 16px;
  }
  
  .total-progress-card {
    padding: 16px 18px;
  }
  
  .total-progress-percentage {
    font-size: 1.5rem;
  }
  
  .toast-message {
    bottom: 80px !important;
    width: 90%;
    max-width: 320px;
  }
  
  .topic-star {
    opacity: 0.6;
  }
}

/* ═══════════════════════════════════════════
   DARK MODE READY (FOR FUTURE)
   ═══════════════════════════════════════════ */
[data-theme="dark"] {
  --bg: #0f1419;
  --bg2: #1a1f2e;
  --bg3: #252b3b;
  --border: #363d52;
  --text: #e8eaed;
  --muted: #9ca3af;
  --muted2: #6b7280;
}

/* Dark mode toggle button (hidden for now) */
.dark-mode-toggle {
  display: none; /* Will be enabled in future phase */
}

/* ═══════════════════════════════════════════════════════
   FORMAT HINT
   ═══════════════════════════════════════════════════════ */
.format-hint {
  font-size: 0.78rem;
  color: var(--muted2);
  margin-top: 6px;
  padding: 6px 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  line-height: 1.6;
}
.format-hint strong {
  color: var(--muted);
}

/* ═══════════════════════════════════════════════════════
   FULLSCREEN PANEL ADJUSTMENTS
   ═══════════════════════════════════════════════════════ */
.panel-header {
  justify-content: center;
}
.panel-stats {
  justify-content: center;
}
.panel-prog {
  max-width: 800px;
  margin: 0 auto;
  width: 100%;
}

/* ═══════════════════════════════════════════
   EXPLORE PANEL
   ═══════════════════════════════════════════ */
.explore-panel {
  position: fixed;
  top: 0; right: -100%; bottom: 0;
  width: 100vw;
  background: var(--bg2);
  box-shadow: -8px 0 40px rgba(26,31,54,0.15);
  z-index: 200;
  transition: right 0.3s ease;
  visibility: hidden;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.explore-panel.open {
  right: 0;
  visibility: visible;
}
.explore-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.explore-header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}
.explore-title {
  font-family: 'DM Serif Display', serif;
  font-size: 1.1rem;
  font-style: italic;
}
.explore-header-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}
.btn-luk-explore {
  background: none;
  border: 1px solid var(--border);
  color: var(--muted);
  width: 28px; height: 28px;
  border-radius: 6px;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.btn-luk-explore:hover {
  background: var(--bg);
  border-color: var(--accent);
  color: var(--accent);
}
.explore-body {
  flex: 1;
  overflow-y: auto;
  padding: 20px 24px;
}
.explore-top {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.explore-controls {
  flex: 1;
  min-width: 250px;
}
.explore-controls select {
  width: 100%;
  font-family: 'Outfit', sans-serif;
  font-size: 0.85rem;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg3);
  color: var(--text);
  cursor: pointer;
  margin-bottom: 10px;
}
.explore-sliders {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 80px;
}
.explore-sl-row {
  display: flex;
  align-items: center;
  gap: 8px;
}
.explore-sl-row label {
  font-size: 0.8rem;
  color: var(--muted);
  min-width: 80px;
}
.explore-sl-row input[type=range] {
  flex: 1;
  height: 4px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--border);
  border-radius: 2px;
  outline: none;
}
.explore-sl-row input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
}
.explore-sl-row .explore-val {
  font-family: 'DM Mono', monospace;
  font-size: 0.82rem;
  font-weight: 500;
  min-width: 36px;
  text-align: right;
}
.explore-info {
  flex: 1;
  min-width: 220px;
}
.explore-eqs {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 18px;
  font-family: 'DM Mono', monospace;
  font-size: 0.82rem;
  line-height: 2;
}
.explore-eqs .eq-f { color: var(--accent); font-weight: 500; }
.explore-eqs .eq-fp { color: #dc2626; font-weight: 500; }
.explore-eqs .eq-meta {
  font-size: 0.72rem;
  color: var(--muted2);
  margin-top: 4px;
  font-family: 'Outfit', sans-serif;
}
.explore-legend {
  display: flex;
  gap: 14px;
  margin-top: 10px;
  font-size: 0.75rem;
  color: var(--muted);
}
.explore-legend span {
  display: flex;
  align-items: center;
  gap: 5px;
}
.explore-legend .sw {
  width: 10px; height: 10px;
  border-radius: 2px;
}
.explore-legend .sw-line {
  width: 12px; height: 3px;
  border-radius: 1px;
}
.explore-canvas-wrap {
  position: relative;
  width: 100%;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg);
}
.explore-canvas-wrap canvas {
  width: 100%;
  display: block;
  cursor: crosshair;
}
.explore-tooltip {
  display: none;
  position: absolute;
  pointer-events: none;
  background: var(--bg2);
  border: 1px solid var(--border2);
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 0.72rem;
  font-family: 'DM Mono', monospace;
  color: var(--text);
  white-space: nowrap;
  z-index: 2;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}
.explore-custom-wrap {
  margin-top: 10px;
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}
.explore-custom-wrap input[type=text] {
  flex: 1;
  min-width: 180px;
  font-family: 'DM Mono', monospace;
  font-size: 0.82rem;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
}
.explore-custom-wrap input[type=text]:focus {
  outline: none;
  border-color: var(--accent);
}
.explore-custom-wrap .explore-err {
  font-size: 0.75rem;
  color: var(--red);
  max-width: 300px;
}
.explore-custom-wrap button {
  font-family: 'Outfit', sans-serif;
  font-size: 0.82rem;
  padding: 8px 16px;
  border: 1px solid var(--accent);
  border-radius: 8px;
  background: var(--accent);
  color: white;
  cursor: pointer;
  transition: background 0.15s;
}
.explore-custom-wrap button:hover {
  background: var(--accent2);
}
.explore-presets {
  display: flex;
  gap: 6px;
  margin-top: 14px;
  flex-wrap: wrap;
}
.explore-presets button {
  font-family: 'Outfit', sans-serif;
  font-size: 0.75rem;
  padding: 5px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg3);
  color: var(--muted);
  cursor: pointer;
  transition: all 0.15s;
}
.explore-presets button:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(59,111,234,0.05);
}
@media(max-width:600px) {
  .explore-body { padding: 14px 12px; }
  .explore-top { flex-direction: column; }
  .explore-header { padding: 12px 14px; }
}

/* ═══════════════════════════════════════════
   LEARNING FEATURES — hints, selv-evaluering, timing
   ═══════════════════════════════════════════ */

/* Selv-evaluering */
.selveval-container {
  margin-top: 8px;
  padding: 10px 0;
}
.selveval-label {
  font-size: 0.75rem;
  color: var(--muted2);
  margin-bottom: 6px;
}
.selveval-btns {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.selveval-btn {
  font-family: 'Outfit', sans-serif;
  font-size: 0.75rem;
  padding: 5px 12px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s;
  border: 1px solid var(--border);
  background: var(--bg3);
  color: var(--muted);
}
.selveval-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.selveval-sikker:hover { border-color: var(--green); color: var(--green); }
.selveval-usikker:hover { border-color: var(--gold); color: var(--gold); }
.selveval-gaettet:hover { border-color: var(--red); color: var(--red); }
.selveval-done {
  font-size: 0.75rem;
  color: var(--muted2);
  padding: 4px 0;
}

/* Timing */
.opgave-timing {
  margin-top: 4px;
}

/* Gradvis hint visning (override of vink box) */
.hint-progress-header {
  font-family: 'DM Mono', monospace;
  font-size: 0.66rem;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 6px;
  opacity: 0.85;
}
.hint-progress-text {
  line-height: 1.6;
}

/* ═══════════════════════════════════════════
   ENHANCED FEEDBACK SYSTEM
   ═══════════════════════════════════════════ */

.fb-enhanced-block {
  margin-top: 12px;
}

/* Diagnose-boks */
.fb-diagnose {
  background: rgba(220,38,38,0.04);
  border: 1px solid rgba(220,38,38,0.18);
  border-left: 3px solid var(--red);
  border-radius: 0 8px 8px 0;
  padding: 12px 16px;
  margin-bottom: 12px;
}
.fb-diagnose-titel {
  font-family: 'DM Mono', monospace;
  font-size: 0.68rem;
  color: var(--red);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 6px;
  font-weight: 600;
}
.fb-diagnose-tekst {
  font-size: 0.85rem;
  color: var(--text);
  line-height: 1.55;
}
.fb-diagnose-tekst code {
  background: rgba(220,38,38,0.08);
  padding: 1px 6px;
  border-radius: 3px;
  font-family: 'DM Mono', monospace;
  font-size: 0.78rem;
  color: var(--red);
}
.fb-diagnose-tekst strong {
  color: var(--red);
}

/* Forklaring-boks */
.fb-forklaring {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 0 10px 10px 0;
  padding: 0;
  overflow: hidden;
}
.fb-forklaring-titel {
  font-family: 'DM Serif Display', serif;
  font-size: 1rem;
  color: var(--accent);
  padding: 12px 16px;
  background: rgba(59,111,234,0.05);
  border-bottom: 1px solid var(--border);
  font-weight: normal;
}
.fb-forklaring-body {
  padding: 8px 0;
}

/* Trin */
.fb-trin {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}
.fb-trin:last-child {
  border-bottom: none;
}
.fb-trin-hdr {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}
.fb-trin-nr {
  font-family: 'DM Mono', monospace;
  font-size: 0.62rem;
  background: var(--accent);
  color: white;
  padding: 3px 8px;
  border-radius: 4px;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-weight: 600;
}
.fb-trin-titel {
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--text);
}
.fb-trin-body {
  margin-left: 0;
}
.fb-trin-tekst {
  font-size: 0.85rem;
  color: var(--text);
  line-height: 1.6;
  margin-bottom: 8px;
}
.fb-trin-forklaring {
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.55;
  font-style: italic;
  padding: 6px 10px;
  background: var(--bg3);
  border-radius: 5px;
  margin-top: 4px;
}

/* Formler */
.fb-formel-label {
  font-family: 'DM Mono', monospace;
  font-size: 0.62rem;
  color: var(--muted2);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 6px;
  margin-bottom: 2px;
}
.fb-formel {
  background: var(--bg3);
  padding: 10px 14px;
  border-radius: 6px;
  margin-bottom: 6px;
  overflow-x: auto;
  font-size: 1.02em;
}
.fb-formel-konkret {
  background: rgba(59,111,234,0.06);
  border: 1px solid rgba(59,111,234,0.15);
}

/* Diagnose detail tekst */
.fb-diagnose-detail {
  font-size: 0.78rem;
  color: var(--text);
  opacity: 0.75;
  margin-top: 6px;
  padding-top: 6px;
  border-top: 1px solid rgba(220,38,38,0.15);
  line-height: 1.55;
}
.fb-diagnose-detail code {
  background: rgba(220,38,38,0.08);
  padding: 1px 5px;
  border-radius: 3px;
  font-family: 'DM Mono', monospace;
  font-size: 0.75rem;
  color: var(--red);
}

/* Korrekt-boks */
.fb-korrekt-boks {
  background: rgba(22,163,74,0.08);
  border: 1px solid rgba(22,163,74,0.30);
  border-left: 4px solid var(--green);
  border-radius: 0 8px 8px 0;
  padding: 8px 14px;
  font-size: 0.82rem;
  color: #15803d;
  font-weight: 600;
  margin-bottom: 8px;
}
.fb-korrekt-boks.fb-naesten {
  background: rgba(180,83,9,0.07);
  border-color: rgba(180,83,9,0.30);
  border-left-color: #d97706;
  color: #92400e;
}

/* Collapsible forklaring ved korrekt svar */
.fb-forklaring-wrap {
  margin-top: 6px;
}
.fb-forklaring-toggle {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 14px;
  font-size: 0.78rem;
  color: var(--muted);
  cursor: pointer;
  font-family: 'Outfit', sans-serif;
  transition: background 0.15s, color 0.15s;
}
.fb-forklaring-toggle:hover {
  background: var(--bg3);
  color: var(--text);
}
.fb-forklaring-content {
  margin-top: 8px;
  animation: slideIn 0.2s ease both;
}

/* Make sure feedback elements inside exam sim look good too */
#sim-body .fb-enhanced-block {
  margin-top: 10px;
}
#sim-body .fb-forklaring {
  font-size: 0.92em;
}

/* ═══════════════════════════════════════════
   NOTES / MELLEMREGNING
   ═══════════════════════════════════════════ */
.notes-section {
  border-top: 1px solid var(--border);
  padding-top: 8px;
}
.btn-notes-toggle {
  transition: all 0.15s;
}
.btn-notes-toggle:hover {
  border-color: var(--accent) !important;
  color: var(--accent) !important;
}
.notes-textarea {
  line-height: 1.6;
  tab-size: 2;
}
.notes-textarea:focus {
  outline: none;
  border-color: var(--accent) !important;
  box-shadow: 0 0 0 2px rgba(16,185,129,0.15);
}
#simv2-notes-wrap .math-preview {
  white-space: pre-wrap;
  word-break: break-word;
}

/* Notes keyboard - slightly smaller */
[id^="simv2-notes-wrap"] .math-keyboard {
  margin-bottom: 6px;
}

/* Notes preview - overskriv flex-layout fra .math-preview så tekst wrapper naturligt */
[id^="emne-notes-preview"],
[id^="simv2-notes-preview"] {
  display: block !important;
  white-space: normal !important;
  word-wrap: break-word;
  overflow-x: hidden !important;
  text-align: left !important;
  line-height: 1.9 !important;
}
[id^="emne-notes-preview"].empty,
[id^="simv2-notes-preview"].empty {
  display: block !important;
}
/* Sørg for at MathJax-containere flyder inline med teksten */
[id^="emne-notes-preview"] mjx-container,
[id^="simv2-notes-preview"] mjx-container {
  display: inline !important;
  margin: 0 2px;
}
.notes-textarea {
  white-space: pre-wrap !important;
  tab-size: 4;
}

/* ═══════════════════════════════════════════
   FLOATING NOTES PANEL — ligger til højre for det centrerede panel-body
   ═══════════════════════════════════════════ */
.floating-notes-panel {
  position: fixed;
  top: 200px; /* under panel-header/stats */
  right: calc((100vw - 800px) / 2 - 460px);
  width: 440px;
  max-height: calc(100vh - 240px);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
  z-index: 9000;
  display: none;
  flex-direction: column;
  overflow: hidden; /* keyboard holdes altid synlig i bunden */
  animation: notesSlideIn 0.25s ease;
}
@keyframes notesSlideIn {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}
.floating-notes-panel .notes-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 12px 16px;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
}
.floating-notes-panel .btn-notes-close {
  background: none;
  border: 1px solid var(--border);
  color: var(--muted);
  width: 26px;
  height: 26px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
  flex-shrink: 0;
}
.floating-notes-panel .btn-notes-close:hover {
  border-color: var(--red);
  color: var(--red);
}
.floating-notes-panel .math-preview {
  min-height: 110px;
  max-height: 200px;
  overflow-y: auto;
  padding: 12px 16px !important;
  background: #fafbff !important;
  border: none !important;
  border-bottom: 1px solid var(--border) !important;
  border-radius: 0 !important;
  font-size: 0.95rem !important;
  color: var(--text);
  line-height: 1.9 !important;
  display: block !important;
  text-align: left !important;
  white-space: normal !important;
  overflow-x: hidden !important;
  flex-shrink: 0;
}
.floating-notes-panel .math-preview.empty {
  color: var(--muted2);
  font-style: italic;
  font-size: 0.85rem;
  display: block !important;
}
.floating-notes-panel .notes-textarea {
  flex: 1 1 0;         /* kan vokse OG krympe fra 0 — keyboard skubbes aldrig ud */
  min-height: 100px;
  overflow-y: auto;    /* scroller indhold frem for at vokse panelet */
  border: none !important;
  border-radius: 0 !important;
  padding: 14px 16px !important;
  font-size: 0.88rem !important;
  font-family: 'DM Mono', monospace !important;
  resize: none !important;
  background: var(--bg) !important;
  line-height: 1.7 !important;
  width: 100% !important;
  white-space: pre-wrap !important;
}
.floating-notes-panel .notes-textarea:focus {
  outline: none;
  background: #fafbff !important;
}
.floating-notes-panel .math-keyboard {
  border-top: 1px solid var(--border);
  padding: 6px;
  background: var(--bg2);
  flex-shrink: 0;
}
.floating-notes-panel mjx-container {
  display: inline !important;
  margin: 0 2px;
}
.floating-notes-panel mjx-container[display="true"] {
  display: block !important;
  margin: 6px 0;
}

/* På smalle skærme: notes panel flyder over til nederst som en fixed drawer */
@media (max-width: 1750px) {
  .floating-notes-panel {
    right: 20px;
    width: 400px;
  }
}
@media (max-width: 1400px) {
  .floating-notes-panel {
    width: 360px;
  }
}
@media (max-width: 1200px) {
  .floating-notes-panel {
    right: 12px;
    top: auto;
    bottom: 12px;
    width: 380px;
    max-height: 60vh;
  }
}
@media (max-width: 900px) {
  .floating-notes-panel {
    left: 12px;
    right: 12px;
    width: auto;
    max-height: 50vh;
  }
}

/* ═══════════════════════════════════════════
   BLAND EMNER MODAL
   ═══════════════════════════════════════════ */
.bland-modal-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(10, 15, 30, 0.55);
  z-index: 20000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  backdrop-filter: blur(2px);
}
.bland-modal {
  background: #fff;
  border-radius: 16px;
  max-width: 640px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
  animation: blandModalIn 0.2s ease;
}
@keyframes blandModalIn {
  from { opacity: 0; transform: translateY(10px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.bland-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 20px 24px 14px;
  border-bottom: 1px solid var(--border);
}
.bland-modal-luk {
  background: none;
  border: 1px solid var(--border);
  color: var(--muted);
  width: 32px;
  height: 32px;
  border-radius: 7px;
  cursor: pointer;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.bland-modal-luk:hover {
  border-color: var(--red);
  color: var(--red);
}
.bland-modal-body {
  padding: 16px 24px 24px;
}
.bland-emner-liste {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-bottom: 18px;
  max-height: 40vh;
  overflow-y: auto;
  padding: 2px;
}
.bland-emne-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.15s;
  font-size: 0.85rem;
}
.bland-emne-item:hover {
  border-color: var(--accent);
  background: rgba(99, 102, 241, 0.03);
}
.bland-emne-item input[type="checkbox"] {
  width: 16px;
  height: 16px;
  cursor: pointer;
  accent-color: var(--accent);
  flex-shrink: 0;
}
.bland-emne-item:has(input:checked) {
  border-color: var(--accent);
  background: rgba(99, 102, 241, 0.06);
}
.bland-emne-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  font-family: 'DM Serif Display', serif;
  font-size: 0.85rem;
  font-style: italic;
  flex-shrink: 0;
}
.bland-emne-navn {
  color: var(--text);
  font-family: 'Outfit', sans-serif;
  line-height: 1.3;
}
.bland-kontroller {
  display: flex;
  gap: 14px;
  margin-bottom: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}
.bland-kontroller > div {
  flex: 1;
}
.bland-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}
.btn-bland-cancel {
  background: none;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 10px 20px;
  border-radius: 8px;
  cursor: pointer;
  font-family: 'Outfit', sans-serif;
  font-size: 0.88rem;
}
.btn-bland-cancel:hover {
  border-color: var(--text);
  color: var(--text);
}
.btn-bland-start {
  background: var(--accent);
  border: none;
  color: white;
  padding: 10px 22px;
  border-radius: 8px;
  cursor: pointer;
  font-family: 'Outfit', sans-serif;
  font-size: 0.9rem;
  font-weight: 500;
}
.btn-bland-start:hover {
  background: #5158e6;
}
@media (max-width: 600px) {
  .bland-emner-liste { grid-template-columns: 1fr; }
  .bland-kontroller { flex-direction: column; }
}


/* ═══════════════════════════════════════════
   FEEDBACK 2.0 — lærertype, levels og handlinger
   ═══════════════════════════════════════════ */

.fb-coach {
  background: linear-gradient(135deg, rgba(59,111,234,0.07), rgba(167,139,250,0.06));
  border: 1px solid rgba(59,111,234,0.18);
  border-left: 4px solid var(--accent);
  border-radius: 0 12px 12px 0;
  padding: 14px 16px;
  margin: 12px 0;
}
.fb-coach-danger {
  background: linear-gradient(135deg, rgba(220,38,38,0.055), rgba(251,146,60,0.05));
  border-color: rgba(220,38,38,0.18);
  border-left-color: var(--red);
}
.fb-coach-warning,
.fb-coach-almost {
  background: linear-gradient(135deg, rgba(245,158,11,0.075), rgba(251,191,36,0.05));
  border-color: rgba(245,158,11,0.22);
  border-left-color: #d97706;
}
.fb-coach-success {
  background: linear-gradient(135deg, rgba(22,163,74,0.07), rgba(52,211,153,0.05));
  border-color: rgba(22,163,74,0.20);
  border-left-color: var(--green);
}
.fb-coach-head {
  display: grid;
  gap: 3px;
  margin-bottom: 10px;
}
.fb-coach-head span {
  font-family: 'DM Mono', monospace;
  font-size: 0.64rem;
  text-transform: uppercase;
  letter-spacing: 1.4px;
  color: var(--muted2);
}
.fb-coach-head strong {
  font-size: 1rem;
  color: var(--text);
}
.fb-coach-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 10px;
}
.fb-coach-grid div {
  background: rgba(255,255,255,0.52);
  border: 1px solid rgba(120,130,160,0.14);
  border-radius: 9px;
  padding: 10px;
}
.fb-coach-grid b {
  display: block;
  font-size: 0.72rem;
  color: var(--text);
  margin-bottom: 4px;
}
.fb-coach-grid p {
  margin: 0;
  font-size: 0.76rem;
  line-height: 1.45;
  color: var(--muted);
}
.fb-next-step {
  margin-top: 10px;
  padding: 9px 10px;
  border-radius: 8px;
  background: rgba(255,255,255,0.65);
  font-size: 0.82rem;
  color: var(--text);
  font-weight: 600;
}

.fb-smart-wrap {
  margin-top: 10px;
}
.fb-level-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 10px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px 10px 0 0;
}
.fb-level-btn {
  appearance: none;
  border: 1px solid var(--border);
  background: white;
  color: var(--muted);
  border-radius: 999px;
  padding: 6px 10px;
  font-family: 'Outfit', sans-serif;
  font-size: 0.74rem;
  cursor: pointer;
  transition: background .15s ease, color .15s ease, border-color .15s ease;
}
.fb-level-btn:hover,
.fb-level-btn.active {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}
.fb-level-panel {
  display: none;
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 10px 10px;
  overflow: hidden;
}
.fb-level-panel.active {
  display: block;
}
.fb-compact-help,
.fb-simple-help {
  padding: 14px 16px;
  background: var(--bg2);
  color: var(--text);
  font-size: 0.86rem;
  line-height: 1.6;
}
.fb-simple-help h4 {
  margin: 0 0 8px;
  font-size: 0.95rem;
}
.fb-simple-help ol {
  margin: 0 0 8px 18px;
  padding: 0;
}
.fb-simple-help li {
  margin: 5px 0;
}
.fb-simple-help p {
  margin: 8px 0 0;
  color: var(--muted);
}

.fb-actions {
  margin-top: 12px;
  padding: 12px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px;
}
.fb-actions-title {
  font-family: 'DM Mono', monospace;
  font-size: 0.64rem;
  color: var(--muted2);
  text-transform: uppercase;
  letter-spacing: 1.2px;
  margin-bottom: 8px;
}
.fb-actions-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.fb-action-btn {
  border: 1px solid var(--border);
  background: white;
  color: var(--text);
  border-radius: 8px;
  padding: 7px 10px;
  font-size: 0.78rem;
  font-family: 'Outfit', sans-serif;
  cursor: pointer;
}
.fb-action-btn:hover {
  background: var(--bg3);
}
.fb-action-btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

@media (max-width: 760px) {
  .fb-coach-grid {
    grid-template-columns: 1fr;
  }
  .fb-actions-row {
    flex-direction: column;
  }
  .fb-action-btn {
    width: 100%;
    text-align: center;
  }
}