:root {
  /* Brand customization — overrides via tenant HTML */
  --primary: #00507e;
  --primary-dark: #003a5c;
  --primary-light: #e6f0f6;
  --accent: #f5a623;
  --status-dot: #3fc58a;
  --shadow: 0 2px 16px rgba(0, 0, 0, 0.06);

  /* Neutrals — same across tenants */
  --bg: #f7f8fa;
  --surface: #ffffff;
  --text: #1a2733;
  --muted: #6b7785;
  --border: #e1e6ec;
  --error: #c62828;
  --radius: 12px;
}
* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  height: 100%;
}
body { display: flex; flex-direction: column; min-height: 100vh; }

header {
  background: var(--primary);
  color: #fff;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  flex-shrink: 0;
}
.logo {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: #fff;
  color: var(--primary);
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.5px;
}
.brand { flex: 1; }
.brand h1 { margin: 0; font-size: 16px; font-weight: 600; line-height: 1.2; }
.brand p { margin: 2px 0 0; font-size: 12px; opacity: 0.85; }
.status {
  font-size: 12px;
  opacity: 0.8;
  display: flex;
  align-items: center;
  gap: 6px;
}
.status::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--status-dot);
  border-radius: 50%;
}

main {
  flex: 1;
  display: flex;
  flex-direction: column;
  max-width: 820px;
  width: 100%;
  margin: 0 auto;
  padding: 20px;
  min-height: 0;
}
#chat {
  flex: 1;
  overflow-y: auto;
  padding: 8px 4px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.msg {
  max-width: 88%;
  padding: 12px 16px;
  border-radius: var(--radius);
  line-height: 1.5;
  word-wrap: break-word;
  animation: fadeIn 0.25s ease-out;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}
.msg.user {
  align-self: flex-end;
  background: var(--primary);
  color: #fff;
  border-bottom-right-radius: 4px;
}
.msg.user a { color: #fff; text-decoration: underline; }
.msg.assistant {
  align-self: flex-start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-bottom-left-radius: 4px;
  box-shadow: var(--shadow);
}
.msg.system {
  align-self: center;
  background: var(--primary-light);
  color: var(--primary-dark);
  font-size: 13px;
  border-radius: 20px;
  padding: 8px 16px;
}
.msg.error {
  align-self: flex-start;
  background: #fff5f5;
  color: var(--error);
  border: 1px solid #ffcdd2;
}
.msg h1, .msg h2, .msg h3 { margin: 14px 0 6px; line-height: 1.25; }
.msg h1 { font-size: 18px; }
.msg h2 { font-size: 16px; }
.msg h3 { font-size: 15px; }
.msg p { margin: 0 0 10px; }
.msg p:last-child { margin-bottom: 0; }
.msg ul, .msg ol { margin: 8px 0; padding-left: 22px; }
.msg li { margin: 4px 0; }
.msg code {
  background: var(--primary-light);
  padding: 1px 5px;
  border-radius: 4px;
  font-family: 'SF Mono', Menlo, monospace;
  font-size: 0.92em;
}
.msg.user code { background: rgba(255,255,255,0.2); }
.msg a { color: var(--primary); }
.msg strong { font-weight: 600; }

.typing {
  align-self: flex-start;
  display: flex;
  gap: 5px;
  padding: 14px 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  border-bottom-left-radius: 4px;
}
.typing span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--muted);
  animation: bounce 1.3s infinite;
}
.typing span:nth-child(2) { animation-delay: 0.15s; }
.typing span:nth-child(3) { animation-delay: 0.3s; }
@keyframes bounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.5; }
  30% { transform: translateY(-5px); opacity: 1; }
}

/* Kortenes farver kan overstyres per tenant via --card-*-variabler;
   defaults matcher det oprindelige udseende (gradient + hvid tekst). */
.calc-card {
  align-self: flex-start;
  max-width: 88%;
  background: var(--card-bg, linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%));
  color: var(--card-text, #fff);
  padding: 18px 20px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.calc-card h3 {
  margin: 0 0 12px;
  font-size: 15px;
  font-weight: 600;
  opacity: 0.9;
}
.calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 18px;
  font-size: 14px;
}
.calc-grid .label {
  opacity: 0.8;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.calc-grid .value {
  font-weight: 600;
  font-size: 15px;
  margin-bottom: 4px;
}
.calc-grid .highlight .value {
  font-size: var(--card-highlight-size, 22px);
  font-weight: var(--card-highlight-weight, 600);
  color: var(--card-highlight, var(--accent));
}
.calc-card .note {
  margin-top: 12px;
  font-size: 11px;
  opacity: 0.7;
  border-top: 1px solid var(--card-border, rgba(255,255,255,0.2));
  padding-top: 8px;
}

/* Sammenligningskort — viser 2+ beregninger side om side */
.calc-card.calc-comparison .cmp-subtitle {
  margin: -6px 0 12px;
  font-size: 12px;
  opacity: 0.75;
}
.calc-card.calc-comparison .cmp-grid {
  display: grid;
  gap: 10px 14px;
  align-items: center;
  font-size: 13px;
}
.calc-card.calc-comparison .cmp-label-head {
  border-bottom: 1px solid var(--card-border, rgba(255,255,255,0.2));
  padding-bottom: 8px;
}
.calc-card.calc-comparison .cmp-head {
  text-align: center;
  font-weight: 600;
  font-size: 13px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--card-border, rgba(255,255,255,0.2));
}
.calc-card.calc-comparison .cmp-head small {
  display: block;
  font-weight: 400;
  font-size: 11px;
  opacity: 0.75;
  margin-top: 2px;
}
.calc-card.calc-comparison .cmp-head.cmp-winner {
  border-bottom-color: var(--card-highlight, var(--accent));
}
.calc-card.calc-comparison .cmp-winner-badge {
  font-size: 10px;
  font-weight: 700;
  color: var(--card-highlight, var(--accent));
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-bottom: 4px;
  white-space: nowrap;
}
.calc-card.calc-comparison .cmp-label {
  font-size: 11px;
  opacity: 0.8;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
.calc-card.calc-comparison .cmp-value {
  font-weight: 600;
  font-size: 14px;
  text-align: right;
  color: var(--card-text-soft, rgba(255,255,255,0.85));
}
.calc-card.calc-comparison .cmp-value.hl {
  font-size: 17px;
  font-weight: var(--card-highlight-weight, 600);
}
.calc-card.calc-comparison .cmp-value.best {
  color: var(--card-highlight, var(--accent));
}
.calc-card.calc-comparison .cmp-value.hl.best {
  font-size: 20px;
}

.composer {
  flex-shrink: 0;
  padding: 12px 0 0;
  border-top: 1px solid var(--border);
  background: var(--bg);
}
.composer form { display: flex; gap: 10px; align-items: flex-end; }
.composer textarea {
  flex: 1;
  resize: none;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 15px;
  line-height: 1.45;
  min-height: 48px;
  max-height: 160px;
  outline: none;
  transition: border-color 0.15s;
  background: var(--surface);
}
.composer textarea:focus { border-color: var(--primary); }
.composer button {
  background: var(--primary);
  color: #fff;
  border: 0;
  padding: 0 22px;
  height: 48px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
}
.composer button:hover:not(:disabled) { background: var(--primary-dark); }
.composer button:disabled { background: var(--muted); cursor: not-allowed; }
.disclaimer {
  text-align: center;
  font-size: 11px;
  color: var(--muted);
  margin-top: 8px;
}

.suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 6px 0 12px;
}
.suggestion {
  padding: 8px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.15s;
  color: var(--primary);
}
.suggestion:hover {
  background: var(--primary-light);
  border-color: var(--primary);
}

@media (max-width: 640px) {
  main { padding: 12px; }
  .msg { max-width: 92%; }
  .calc-grid { grid-template-columns: 1fr; gap: 8px; }
}