@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&family=Noto+Sans:wght@400;500;600&display=swap");

:root {
  --bg: #f6f8fb;
  --bg-soft: #ffffff;
  --panel: #ffffff;
  --panel-2: #f1f4f9;
  --text: #1a2230;
  --muted: #5a6577;
  --muted-soft: #7c8898;
  --accent: #3b6bf3;
  --accent-2: #7c4dff;
  --accent-hover: #2856e0;
  --danger: #d93838;
  --ok: #1d9c6a;
  --warn: #c97c00;
  --border: #dde4ee;
  --border-soft: #ebeff5;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 2px 6px rgba(20, 35, 70, 0.06), 0 8px 24px rgba(20, 35, 70, 0.06);
  --shadow-lg: 0 10px 36px rgba(20, 35, 70, 0.12);
  --mono: "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace;
  --sans: "Inter", "Noto Sans", system-ui, -apple-system, "Segoe UI", "Helvetica Neue", Arial, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

header {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 24px;
  position: sticky;
  top: 0;
  z-index: 100;
}
.logo {
  font-weight: 700;
  text-decoration: none;
  font-size: 1.05em;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
nav { margin-left: auto; display: flex; gap: 4px; }
nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9em;
  font-weight: 500;
  padding: 7px 13px;
  border-radius: 6px;
  transition: all 0.15s;
}
nav a:hover { color: var(--text); background: var(--panel-2); }

main {
  max-width: 1100px;
  width: 100%;
  margin: 32px auto;
  padding: 0 24px;
  flex: 1;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: var(--shadow);
}

h1 {
  margin-top: 0;
  margin-bottom: 6px;
  font-weight: 700;
  letter-spacing: -0.025em;
  font-size: 1.7em;
  color: var(--text);
}
h2 {
  color: var(--text);
  font-size: 1.05em;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 36px 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-soft);
}
h3 {
  font-weight: 600;
  font-size: 0.78em;
  color: var(--muted);
  margin: 22px 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

p { line-height: 1.65; color: var(--text); }

form label {
  display: block;
  margin: 16px 0;
  font-size: 0.93em;
  color: var(--muted);
  font-weight: 500;
}
form input, form select {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 11px 14px;
  background: var(--bg-soft);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--sans);
  font-size: 0.95em;
  transition: border-color 0.15s, box-shadow 0.15s;
}
form input:focus, form select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(59, 107, 243, 0.12);
}

button, .btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.92em;
  font-weight: 500;
  font-family: var(--sans);
  text-decoration: none;
  margin-top: 4px;
  transition: transform 0.1s, box-shadow 0.15s, filter 0.15s;
  letter-spacing: -0.005em;
}
button:hover, .btn:hover { transform: translateY(-1px); box-shadow: 0 6px 18px rgba(59, 107, 243, 0.28); filter: brightness(1.04); }
.btn-secondary {
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
}
.btn-secondary:hover { background: var(--border-soft); box-shadow: none; filter: none; color: var(--accent); }
.btn-active { background: linear-gradient(135deg, var(--accent-2), var(--accent)) !important; }

pre, code {
  font-family: var(--mono);
  background: var(--panel-2);
}
pre {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 18px;
  font-size: 0.85em;
  line-height: 1.55;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-all;
}
code {
  padding: 2px 7px;
  border-radius: 4px;
  font-size: 0.86em;
  color: var(--accent);
  border: 1px solid var(--border-soft);
}

.test-list { list-style: none; padding: 0; }
.test-list li { border-bottom: 1px solid var(--border-soft); }
.test-list li:last-child { border-bottom: none; }
.test-list a {
  display: block;
  padding: 16px 4px;
  text-decoration: none;
  color: var(--text);
  border-radius: var(--radius-sm);
  transition: background 0.15s, transform 0.1s, padding 0.15s;
}
.test-list a:hover { background: var(--panel-2); transform: translateX(4px); padding-left: 12px; padding-right: 12px; }
.test-list a strong { display: block; font-weight: 600; font-size: 0.98em; }
.test-list a span { display: block; color: var(--muted); font-size: 0.88em; margin-top: 4px; line-height: 1.55; }

.flash {
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  font-size: 0.93em;
}
.flash-error { background: #fdecec; border: 1px solid #f5c0c0; color: var(--danger); }
.flash-success { background: #e6f7f0; border: 1px solid #b9e1d0; color: var(--ok); }

.notes {
  background: #eef3ff;
  border-left: 3px solid var(--accent);
  padding: 13px 18px;
  margin: 16px 0;
  border-radius: var(--radius-sm);
  list-style: disc inside;
  font-size: 0.91em;
  line-height: 1.65;
}

.actions { margin-top: 20px; display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.hint { color: var(--muted); font-size: 0.88em; line-height: 1.55; }
.m { color: var(--muted-soft); font-size: 0.82em; }

details.varref {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  margin-bottom: 18px;
  font-size: 0.88em;
}
details.varref summary { cursor: pointer; color: var(--muted); font-weight: 500; }
details.varref ul {
  list-style: none;
  padding: 8px 0 0;
  margin: 0;
  max-height: 240px;
  overflow-y: auto;
}
details.varref li { padding: 4px 0; }

.wiki-list { list-style: none; padding: 0; margin: 0 0 18px; }
.wiki-list li { padding: 8px 0; border-bottom: 1px solid var(--border-soft); }
.wiki-list li:last-child { border-bottom: none; }
.wiki-list a { color: var(--accent); text-decoration: none; transition: color 0.15s; font-weight: 500; }
.wiki-list a:hover { color: var(--accent-hover); }

.wiki-body { line-height: 1.75; font-size: 0.95em; }
.wiki-body table { border-collapse: collapse; margin: 14px 0; width: 100%; }
.wiki-body th, .wiki-body td { border: 1px solid var(--border); padding: 9px 14px; }
.wiki-body th { background: var(--panel-2); font-weight: 600; }
.wiki-body blockquote { border-left: 3px solid var(--accent); margin: 14px 0; padding: 10px 18px; color: var(--text); background: #eef3ff; border-radius: 0 6px 6px 0; }
.wiki-body code { color: var(--accent-2); }

.calc-tabs { display: flex; gap: 6px; margin: 22px 0; flex-wrap: wrap; }
.calc-tabs .btn { padding: 8px 14px; font-size: 0.86em; }

/* Calculator Sidebar Layout */
.calc-layout { display: grid; grid-template-columns: 240px 1fr; gap: 20px; align-items: start; }
.calc-sidebar {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 16px;
  box-shadow: var(--shadow);
  position: sticky;
  top: 90px;
}
.calc-sidebar h3 { margin: 0 0 14px; color: var(--muted); font-size: 0.74em; font-weight: 600; text-transform: uppercase; letter-spacing: 0.7px; }
.calc-cat { margin-bottom: 16px; }
.calc-cat-title { color: var(--muted); font-size: 0.74em; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 6px; padding-left: 4px; }
.calc-side-link {
  display: flex; justify-content: space-between; align-items: center;
  padding: 8px 10px; text-decoration: none; color: var(--text);
  border-radius: 6px; transition: all 0.15s;
  font-size: 0.9em; font-weight: 500;
  margin-bottom: 2px;
}
.calc-side-link:hover { background: var(--panel-2); color: var(--accent); }
.calc-side-link.active { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: white; }
.calc-side-link.active .badge { background: rgba(255,255,255,0.25); color: white; }
.calc-side-link .badge {
  background: var(--panel-2); color: var(--muted); font-size: 0.72em; padding: 2px 7px;
  border-radius: 10px; font-family: var(--mono); font-weight: 400;
}
.calc-side-ref { margin-top: 14px; border-top: 1px solid var(--border-soft); padding-top: 12px; color: var(--accent) !important; font-weight: 600; }

.calc-main { min-width: 0; }

.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 10px 18px; align-items: end; }
.form-grid button { grid-column: 1 / -1; justify-self: start; margin-top: 12px; }
.lbl-row { display: flex; align-items: center; gap: 6px; }
.help-tip {
  display: inline-flex; align-items: center; justify-content: center;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--panel-2); color: var(--muted);
  font-size: 11px; cursor: help; font-weight: 600;
}
.help-tip:hover { background: var(--accent); color: white; }

/* Hero Result */
.result-hero {
  display: grid;
  grid-template-columns: 1.5fr repeat(auto-fit, minmax(110px, 1fr));
  gap: 14px;
  margin: 24px 0 18px;
}
.hero-stat {
  background: linear-gradient(135deg, #eef3ff, #f4eeff);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  padding: 18px 20px;
  display: flex; flex-direction: column;
}
.hero-stat.sub { background: var(--panel-2); }
.hero-label { font-size: 0.78em; color: var(--muted); text-transform: uppercase; letter-spacing: 0.5px; font-weight: 600; }
.hero-value { font-size: 2.3em; font-weight: 700; color: var(--accent); letter-spacing: -0.02em; line-height: 1.1; margin-top: 6px; }
.hero-value-sm { font-size: 1.4em; font-weight: 600; color: var(--text); margin-top: 4px; font-family: var(--mono); }
.hero-tag { display: inline-block; margin-top: 8px; padding: 3px 10px; border-radius: 12px; font-size: 0.78em; font-weight: 600; background: rgba(59, 107, 243, 0.12); color: var(--accent); width: fit-content; }

.apa-box {
  background: linear-gradient(135deg, #fef9e7, #fdf5db);
  border: 1px solid #f0d97c;
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  margin: 18px 0;
}
.apa-label { font-size: 0.85em; color: #8a6b00; font-weight: 600; margin-bottom: 8px; }
.apa-code {
  display: block;
  padding: 10px 14px;
  background: white;
  border: 1px solid #e8d99c;
  border-radius: 6px;
  font-family: var(--mono);
  font-size: 0.95em;
  color: var(--text);
  user-select: all;
  cursor: pointer;
  word-break: break-word;
}

/* Reference Page */
.ref-search {
  width: 100%; padding: 12px 18px; margin: 18px 0 12px;
  background: var(--bg-soft); border: 1px solid var(--border); border-radius: var(--radius-sm);
  font-size: 0.95em; font-family: var(--sans);
}
.ref-search:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(59, 107, 243, 0.12); }
.ref-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 18px; }
.ref-tag {
  padding: 6px 14px; background: var(--panel-2); color: var(--muted);
  border: 1px solid var(--border-soft); border-radius: 16px;
  font-size: 0.82em; font-weight: 500; cursor: pointer; transition: all 0.15s;
  font-family: var(--sans);
}
.ref-tag:hover { background: var(--border-soft); color: var(--text); }
.ref-tag.active { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: white; border-color: transparent; }
.ref-section { margin-bottom: 24px; }

/* Glossar */
.gloss-section { margin-bottom: 28px; }
.gloss-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 12px; }
.gloss-card {
  background: var(--bg-soft);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  transition: border-color 0.15s, transform 0.1s;
}
.gloss-card:hover { border-color: var(--accent); transform: translateY(-1px); }
.gloss-term { margin: 0 0 6px; font-size: 0.95em; color: var(--accent); font-weight: 600; text-transform: none; letter-spacing: -0.005em; }
.gloss-short { margin: 0 0 8px; font-size: 0.9em; line-height: 1.5; color: var(--text); }
.gloss-long { margin: 0; font-size: 0.85em; line-height: 1.5; }

/* Skala-Tags für Preview */
.badge-tag { display: inline-block; padding: 2px 9px; border-radius: 10px; font-size: 0.78em; font-weight: 600; }
.bt-metric { background: #e6f0ff; color: #2856e0; }
.bt-ordinal { background: #fef0e6; color: #c97c00; }
.bt-nominal { background: #f0e6ff; color: #6b3bd9; }
.bt-unknown { background: var(--panel-2); color: var(--muted); }

.ask-form textarea { width: 100%; min-height: 90px; padding: 12px 14px; font-family: var(--sans); font-size: 0.96em; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--bg-soft); color: var(--text); resize: vertical; }
.ask-form textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(59, 107, 243, 0.12); }
.answer-box { background: linear-gradient(135deg, #eef3ff, #f4eeff); border: 1px solid var(--border-soft); border-radius: var(--radius-sm); padding: 22px 26px; margin: 22px 0; }
.answer-content { line-height: 1.7; font-size: 0.96em; }
.answer-content p:first-child { margin-top: 0; }
.answer-content h1, .answer-content h2, .answer-content h3 { color: var(--text); border: none; padding: 0; margin: 14px 0 6px; font-size: 1.05em; }
.answer-content code { background: white; color: var(--accent-2); }
.answer-content a { color: var(--accent); }
.answer-content table { border-collapse: collapse; margin: 10px 0; }
.answer-content th, .answer-content td { border: 1px solid var(--border); padding: 6px 12px; }
.answer-meta { margin-top: 14px; font-size: 0.78em; color: var(--muted); font-family: var(--mono); border-top: 1px solid var(--border-soft); padding-top: 10px; }

/* Wiki Cards */
.wiki-cat-section { margin-bottom: 26px; }
.wiki-card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 12px; }
.wiki-card {
  background: var(--bg-soft);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  text-decoration: none;
  color: var(--text);
  display: flex; flex-direction: column;
  transition: border-color 0.15s, transform 0.1s, box-shadow 0.15s;
}
.wiki-card:hover { border-color: var(--accent); transform: translateY(-2px); box-shadow: var(--shadow); }
.wiki-card-title { font-weight: 600; color: var(--accent); font-size: 0.96em; margin-bottom: 6px; }
.wiki-card-body { font-size: 0.85em; line-height: 1.5; color: var(--text); flex: 1; margin-bottom: 10px; }
.wiki-card-source { font-size: 0.76em; color: var(--muted); padding-top: 8px; border-top: 1px solid var(--border-soft); font-family: var(--mono); }

/* Mobile */
@media (max-width: 900px) {
  .calc-layout { grid-template-columns: 1fr; }
  .calc-sidebar { position: static; top: auto; }
  .calc-cat { display: inline-block; margin-right: 10px; vertical-align: top; min-width: 180px; }
}
@media (max-width: 600px) {
  .result-hero { grid-template-columns: 1fr; }
  .hero-value { font-size: 1.8em; }
}

.cohen-bar { margin: 24px 0; }
.cohen-bar-track {
  display: flex;
  height: 38px;
  border-radius: 8px;
  overflow: hidden;
  position: relative;
  border: 1px solid var(--border);
  background: var(--panel-2);
}
.cohen-zone {
  display: flex; align-items: center; justify-content: center;
  font-size: 0.78em; font-weight: 600; color: rgba(0,0,0,0.55);
  text-transform: uppercase; letter-spacing: 0.4px;
}
.zone-zero    { background: #f1f4f9; color: var(--muted); }
.zone-small   { background: #c8e0fc; }
.zone-medium  { background: #91befb; }
.zone-large   { background: #5d99f5; color: white; }
.cohen-marker {
  position: absolute; top: -6px; bottom: -6px; width: 3px;
  background: var(--accent-2); border-radius: 2px;
  box-shadow: 0 0 0 4px rgba(124, 77, 255, 0.18);
  transition: left 0.3s ease;
}

.result-table {
  border-collapse: separate;
  border-spacing: 0;
  margin-top: 14px;
  width: 100%;
  font-size: 0.87em;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border);
}
.result-table th, .result-table td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border-soft);
}
.result-table th {
  background: var(--panel-2);
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  font-size: 0.76em;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border);
}
.result-table tr:nth-child(even) td { background: #fafbfd; }
.result-table tr:hover td { background: #eff4ff; }
.result-table tr:last-child td { border-bottom: none; }

.meta-box {
  background: linear-gradient(135deg, #eef3ff, #f4eeff);
  padding: 16px 22px;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  margin: 18px 0;
  font-size: 0.92em;
  line-height: 1.75;
}

.export-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 24px 0;
  flex-wrap: wrap;
  padding: 16px 20px;
  background: var(--panel-2);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-soft);
}

.plot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
  gap: 18px;
  margin: 16px 0;
}
.plot-grid figure {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px;
  margin: 0;
  transition: transform 0.15s, box-shadow 0.15s;
}
.plot-grid figure:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.plot-grid img { width: 100%; height: auto; display: block; border-radius: 6px; }
.plot-grid figcaption { font-size: 0.88em; color: var(--muted); text-align: center; margin-top: 10px; font-weight: 500; }

#loading-overlay {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(6px);
  z-index: 9999;
  align-items: center; justify-content: center;
}
.spinner-box {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 44px;
  text-align: center;
  min-width: 300px;
  box-shadow: var(--shadow-lg);
}
.spinner {
  width: 52px; height: 52px;
  border: 4px solid var(--border-soft);
  border-top: 4px solid var(--accent);
  border-right: 4px solid var(--accent-2);
  border-radius: 50%;
  animation: spin 1s cubic-bezier(0.6, 0.2, 0.4, 0.9) infinite;
  margin: 0 auto 18px;
}
@keyframes spin { to { transform: rotate(360deg); } }

.wiki-iframe-wrap {
  margin-top: 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  background: var(--panel-2);
}
.wiki-iframe-wrap summary {
  cursor: pointer;
  color: var(--accent);
  padding: 6px 0;
  font-weight: 500;
}
.wiki-iframe-wrap summary:hover { color: var(--accent-hover); }
.wiki-iframe {
  width: 100%;
  height: 80vh;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-top: 12px;
  background: #fff;
}

footer {
  text-align: center;
  padding: 24px;
  color: var(--muted);
  font-size: 0.85em;
}
footer a { color: var(--muted); transition: color 0.15s; }
footer a:hover { color: var(--accent); }

.toc-side {
  position: fixed;
  right: 24px;
  top: 100px;
  width: 220px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  font-size: 0.84em;
  max-height: calc(100vh - 130px);
  overflow-y: auto;
  display: none;
  box-shadow: var(--shadow);
}
.toc-side h4 { margin: 0 0 10px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.6px; font-size: 0.78em; font-weight: 600; }
.toc-side ul { list-style: none; padding: 0; margin: 0; }
.toc-side a { display: block; padding: 6px 0 6px 12px; color: var(--muted); text-decoration: none; border-left: 2px solid transparent; transition: all 0.15s; }
.toc-side a:hover { color: var(--accent); border-left-color: var(--accent); background: var(--panel-2); }

@media (min-width: 1450px) {
  .toc-side { display: block; }
}

/* Mobile-Optimierung */
@media (max-width: 768px) {
  header {
    padding: 10px 14px;
    gap: 10px;
    flex-wrap: wrap;
  }
  .logo { font-size: 0.98em; }
  nav { gap: 2px; width: 100%; overflow-x: auto; padding-bottom: 4px; }
  nav a { padding: 6px 10px; font-size: 0.84em; white-space: nowrap; }

  main { margin: 16px auto; padding: 0 12px; }
  .card { padding: 18px; border-radius: 10px; }

  h1 { font-size: 1.35em; }
  h2 { font-size: 1em; margin: 22px 0 10px; }

  .meta-box { padding: 12px 14px; font-size: 0.88em; }
  .export-row { padding: 12px 14px; gap: 6px; }
  .btn { padding: 9px 14px; font-size: 0.86em; }

  /* Tabellen horizontal scrollbar machen */
  .result-table { font-size: 0.78em; display: block; overflow-x: auto; max-width: 100%; }
  .result-table th, .result-table td { padding: 8px 10px; white-space: nowrap; }

  .plot-grid { grid-template-columns: 1fr; gap: 12px; }
  .plot-grid figure { padding: 8px; }

  .wiki-iframe { height: 65vh; }

  .calc-tabs { flex-direction: column; }
  .calc-tabs .btn { width: 100%; justify-content: center; }
}

@media (max-width: 480px) {
  header { padding: 8px 10px; }
  main { padding: 0 8px; }
  .card { padding: 14px; }
  h1 { font-size: 1.2em; }
}