/* Selbst gehostet statt von fonts.googleapis.com geladen - sonst würde bei
   jedem Seitenaufruf die IP-Adresse des Besuchers ungefragt an Google
   übertragen (in Deutschland ohne Einwilligung ein Datenschutzverstoß,
   siehe LG München I, Urteil v. 20.01.2022 - 3 O 17493/20). Beide Dateien
   sind Variable Fonts, die von Google für mehrere Schriftschnitte
   wiederverwendet werden - daher genügt je Familie eine einzige Datei.
   Nur der lateinische Zeichensatz (deckt Deutsch inkl. äöüß ab). */
@font-face {
  font-family: "DM Sans";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("/assets/fonts/dm-sans-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122;
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 600 800;
  font-display: swap;
  src: url("/assets/fonts/inter-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122;
}

:root {
  color-scheme: light;

  /* — Farbe — */
  --accent: #0ea472;
  --accent-strong: #0b8a60;
  --accent-soft: #e3f5ee;
  --bg: #faf8f4;
  --surface: #ffffff;
  --surface-sunken: #f2efe9;
  --text: #212529;
  --text-secondary: #667085;
  --border: #e6e1d7;
  --border-strong: #d7d0c2;
  --focus-ring: #0ea472;
  --chart-line: #0ea472;
  --chart-grid: #dcd6c9;
  --shadow-color: 220 15% 25%;
  --danger: #b3261e;
  --danger-soft: #fbe9e7;
  --warning: #9a6400;
  --warning-soft: #fbf1da;

  /* — Kategorie-Akzente — */
  --cat-strom: #b8860b;
  --cat-strom-soft: #faf1dc;
  --cat-kraftstoff: #c2410c;
  --cat-kraftstoff-soft: #fbe9de;
  --cat-verbraucher: #4338ca;
  --cat-verbraucher-soft: #e7e5fb;

  /* — Statistik-Leiste: bewusst ein fester dunkler Farbraum in beiden Modi — */
  --stats-bg: #17251f;
  --stats-fg: #34d399;
  --stats-label: #b7c2bd;

  /* — Typ-Skala — */
  --fs-eyebrow: 0.8125rem;
  --fs-body: clamp(1rem, 0.965rem + 0.16vw, 1.125rem);
  --fs-lead: clamp(1.125rem, 1.06rem + 0.28vw, 1.375rem);
  --fs-h1: clamp(2.5rem, 2rem + 2.2vw, 3.75rem);
  --fs-h2: clamp(1.75rem, 1.55rem + 0.9vw, 2.375rem);
  --fs-h3: clamp(1.2rem, 1.13rem + 0.32vw, 1.375rem);
  --fs-stat: clamp(2.25rem, 1.9rem + 1.6vw, 3.25rem);
  --fs-small: 0.9rem;

  --font-display: "Inter", -apple-system, "Segoe UI", sans-serif;
  --font-body: "DM Sans", -apple-system, "Segoe UI", sans-serif;

  --radius-s: 8px;
  --radius-m: 12px;
  --space-section: clamp(4rem, 3.2rem + 3.5vw, 7.5rem);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --accent: #34d399;
    --accent-strong: #5eead4;
    --accent-soft: #133628;
    --bg: #1a1d20;
    --surface: #212529;
    --surface-sunken: #26292d;
    --text: #f2f0eb;
    --text-secondary: #9aa1a9;
    --border: #34383c;
    --border-strong: #40454a;
    --focus-ring: #34d399;
    --chart-line: #34d399;
    --chart-grid: #33373b;
    --shadow-color: 0 0% 0%;
    --danger: #ff8a80;
    --danger-soft: #3a2220;
    --warning: #e8b74e;
    --warning-soft: #3a2f13;

    --cat-strom: #eab308;
    --cat-strom-soft: #332a10;
    --cat-kraftstoff: #fb923c;
    --cat-kraftstoff-soft: #3a2416;
    --cat-verbraucher: #a5b4fc;
    --cat-verbraucher-soft: #262552;
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --accent: #34d399;
  --accent-strong: #5eead4;
  --accent-soft: #133628;
  --bg: #1a1d20;
  --surface: #212529;
  --surface-sunken: #26292d;
  --text: #f2f0eb;
  --text-secondary: #9aa1a9;
  --border: #34383c;
  --border-strong: #40454a;
  --focus-ring: #34d399;
  --chart-line: #34d399;
  --chart-grid: #33373b;
  --shadow-color: 0 0% 0%;
  --danger: #ff8a80;
  --danger-soft: #3a2220;
  --warning: #e8b74e;
  --warning-soft: #3a2f13;

  --cat-strom: #eab308;
  --cat-strom-soft: #332a10;
  --cat-kraftstoff: #fb923c;
  --cat-kraftstoff-soft: #3a2416;
  --cat-verbraucher: #a5b4fc;
  --cat-verbraucher-soft: #262552;
}

*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--font-display);
  color: var(--text);
  line-height: 1.12;
  letter-spacing: -0.02em;
  text-wrap: balance;
  margin: 0;
}

h1 { font-size: var(--fs-h1); font-weight: 800; }
h2 { font-size: var(--fs-h2); font-weight: 700; }
h3 { font-size: var(--fs-h3); font-weight: 700; }

p { margin: 0; }

a { color: inherit; }

img, svg { display: block; max-width: 100%; }

button { font: inherit; }

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 3px;
  border-radius: 4px;
}

.icon-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

.icon {
  width: 22px;
  height: 22px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}

/* — Layout-Grundgerüst — */
.wrap {
  width: min(1120px, 100% - 3rem);
  margin-inline: auto;
}

.prose {
  width: min(60ch, 100%);
  margin-inline: auto;
}

/* — Header — */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--bg) 96%, transparent);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(6px);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 1.1rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.125rem;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.logo .logo-mark {
  color: var(--accent);
  width: 26px;
  height: 26px;
  stroke-width: 1.75;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.site-nav ul {
  display: flex;
  gap: 1.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a:not(.btn) {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: var(--fs-small);
  font-weight: 500;
  transition: color 0.15s ease;
}
.site-nav a:not(.btn):hover { color: var(--text); }

.nav-links { display: flex; }

@media (max-width: 640px) {
  /* Muss ".site-nav .nav-links" heißen: ".site-nav ul" oben ist
     spezifischer als ".nav-links" allein und würde sonst gewinnen. */
  .site-nav .nav-links { display: none; }
}

/* — Buttons — */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-s);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }

.btn-primary {
  background: var(--accent);
  color: #06281c;
  box-shadow: 0 1px 2px hsl(var(--shadow-color) / 0.12);
}
.btn-primary:hover:not(:disabled) { background: var(--accent-strong); box-shadow: 0 6px 16px -6px hsl(var(--shadow-color) / 0.35); }

.btn-outline {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}
.btn-outline:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }

.btn-sm { padding: 0.55rem 1.1rem; font-size: 0.875rem; }
.btn-block { width: 100%; }

/* — Hero — */
.hero {
  padding-block: clamp(3.5rem, 2.8rem + 3vw, 6rem) clamp(3rem, 2.4rem + 2.5vw, 4.5rem);
  text-align: center;
}

.hero .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--fs-eyebrow);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-strong);
  background: var(--accent-soft);
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  margin-bottom: 1.5rem;
}

.hero h1 { margin-bottom: 1.25rem; }

.hero .lead {
  font-size: var(--fs-lead);
  color: var(--text-secondary);
  margin-bottom: 2.25rem;
}

.hero-actions {
  display: flex;
  gap: 0.9rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* — Snapshot-Leiste: aktuelle Werte auf einen Blick — */
.snapshot {
  padding-bottom: var(--space-section);
}

.snapshot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-m);
  overflow: hidden;
}

.snapshot-item {
  background: var(--surface);
  padding: clamp(1.25rem, 1.1rem + 0.7vw, 1.75rem);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.snapshot-item .snap-label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--fs-small);
  color: var(--text-secondary);
  font-weight: 500;
}

.snap-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.snapshot-item .snap-value {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.75rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.snap-index-note {
  display: block;
  margin-top: -0.15rem;
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.snapshot-item .snap-value .snap-unit {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-left: 0.3rem;
}

.snapshot-item .snap-change {
  font-size: 0.85rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.snapshot-empty {
  padding: 2rem;
  text-align: center;
  color: var(--text-secondary);
  font-size: var(--fs-small);
}

.change-up { color: var(--danger); }
.change-down { color: var(--accent-strong); }
.change-flat { color: var(--text-secondary); }

/* — Section shell — */
section { padding-block: var(--space-section); }

.section-head {
  width: min(52ch, 100%);
  margin: 0 auto clamp(2.5rem, 2.1rem + 1.5vw, 3.5rem);
  text-align: center;
}

.section-head .eyebrow {
  display: block;
  font-size: var(--fs-eyebrow);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-strong);
  margin-bottom: 0.75rem;
}

.section-head p {
  color: var(--text-secondary);
  margin-top: 0.75rem;
}

/* — Kategorie-Bereiche — */
.category-section { border-top: 1px solid var(--border); }
.category-section .section-head { text-align: left; margin-inline: 0; margin-bottom: 2rem; }

.category-section-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.category-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: var(--fs-eyebrow);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  margin-bottom: 0.85rem;
}

.category-tag .snap-dot { width: 7px; height: 7px; }

.category-tag--strom { color: var(--cat-strom); background: var(--cat-strom-soft); }
.category-tag--kraftstoffe { color: var(--cat-kraftstoff); background: var(--cat-kraftstoff-soft); }
.category-tag--verbraucherpreise { color: var(--cat-verbraucher); background: var(--cat-verbraucher-soft); }

.category-section-head h2 { margin-bottom: 0.5rem; }
.category-section-head p { color: var(--text-secondary); max-width: 56ch; }

.series-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}
.subsection-head {
  margin-top: 2.75rem;
  margin-bottom: 1.25rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--border);
}
.subsection-head h3 { margin-bottom: 0.35rem; }
.subsection-head p { color: var(--text-secondary); font-size: var(--fs-small); max-width: 56ch; }

/* — Tankstellen-in-der-Nähe-Widget — */
.nearby-widget {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-m);
  padding: clamp(1.5rem, 1.3rem + 1vw, 2.25rem);
}

.nearby-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}
.nearby-controls .btn .icon { width: 16px; height: 16px; }

.station-list { display: flex; flex-direction: column; gap: 0.6rem; margin-bottom: 1.25rem; }

.station-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1rem;
  background: var(--surface-sunken);
  border-radius: var(--radius-s);
}

.station-info { min-width: 0; }
.station-name { font-weight: 700; }
.station-address {
  font-size: 0.8rem;
  color: var(--text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.station-meta { display: flex; align-items: center; gap: 0.75rem; flex-shrink: 0; }
.station-price {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.station-badge {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  white-space: nowrap;
}
.station-badge.open { background: var(--accent-soft); color: var(--accent-strong); }
.station-badge.closed { background: var(--danger-soft); color: var(--danger); }

@media (max-width: 480px) {
  .station-row { flex-wrap: wrap; }
  .station-address { white-space: normal; }
}

/* Eine Karte ist ein einziger Button - komplett klickbar, öffnet den
   Verlauf in einem Modal (siehe unten). Kein Aufklappen/Umsortieren
   mehr im Grid, damit ein Klick nie das restliche Layout durcheinander-
   wirbelt, egal wie viele Karten in der Sektion stehen. */
.series-card {
  all: unset;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-m);
  padding: clamp(1.25rem, 1.1rem + 0.7vw, 1.75rem);
  text-align: left;
  cursor: pointer;
  color: var(--text);
  font: inherit;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}
.series-card:hover {
  border-color: var(--accent);
  box-shadow: 0 6px 20px -10px hsl(var(--shadow-color) / 0.35);
  transform: translateY(-1px);
}

.series-card-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 0.75rem; }
.series-card-label { font-weight: 700; line-height: 1.35; }
.series-card-source { display: block; font-size: 0.78rem; color: var(--text-secondary); margin-top: 0.25rem; font-weight: 400; }

.series-card-value {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.9rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}
.series-card-value .snap-unit { font-family: var(--font-body); font-weight: 500; font-size: 0.95rem; color: var(--text-secondary); margin-left: 0.3rem; }
.series-card-index-note { display: block; margin-top: -0.5rem; font-size: 0.78rem; color: var(--text-secondary); }

.series-card-sparkline { width: 100%; height: 56px; overflow: hidden; }
.series-card-sparkline svg { display: block; width: 100%; height: 100%; }
.series-card-sparkline .spark-line { fill: none; stroke: var(--chart-line); stroke-width: 2.25; stroke-linecap: round; stroke-linejoin: round; }
.series-card-sparkline .spark-fill { opacity: 0.5; }

.series-card-foot { display: flex; align-items: center; justify-content: space-between; font-size: 0.85rem; }
.series-card-foot .cta-icon {
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--surface-sunken);
  color: var(--text-secondary);
  flex-shrink: 0;
  transition: background-color 0.15s ease, color 0.15s ease;
}
.series-card-foot .cta-icon .icon { width: 14px; height: 14px; }
.series-card:hover .cta-icon { background: var(--accent-soft); color: var(--accent-strong); }

/* — Verlauf-Modal — */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  background: color-mix(in srgb, black 55%, transparent);
  backdrop-filter: blur(2px);
}
.modal-panel {
  width: min(760px, 100%);
  max-height: min(88vh, 900px);
  overflow-y: auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-m);
  box-shadow: 0 24px 60px -20px hsl(var(--shadow-color) / 0.55);
  padding: clamp(1.5rem, 1.3rem + 1vw, 2.25rem);
  animation: modal-in 0.18s ease;
}
@media (prefers-reduced-motion: reduce) {
  .modal-panel { animation: none; }
}
@keyframes modal-in {
  from { opacity: 0; transform: translateY(8px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
@media (max-width: 640px) {
  .modal-overlay { padding: 0; align-items: flex-end; }
  .modal-panel {
    width: 100%;
    max-height: 92vh;
    border-radius: var(--radius-m) var(--radius-m) 0 0;
    animation: modal-in-mobile 0.2s ease;
  }
  @keyframes modal-in-mobile {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
  }
}

.modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.modal-header h3 { margin-bottom: 0.25rem; }
.modal-header p { color: var(--text-secondary); font-size: var(--fs-small); }

.modal-close {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text-secondary);
  cursor: pointer;
}
.modal-close:hover { border-color: var(--accent); color: var(--accent); }
.modal-close .icon { width: 16px; height: 16px; }

/* — "Bald verfügbar"-Platzhalter — */
.coming-soon-card {
  border: 1.5px dashed var(--border-strong);
  border-radius: var(--radius-m);
  padding: clamp(1.5rem, 1.3rem + 1vw, 2rem);
  color: var(--text-secondary);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.coming-soon-card h3 { color: var(--text); font-size: 1.05rem; }
.coming-soon-card p { font-size: var(--fs-small); }
.coming-soon-card .icon-badge {
  width: 40px; height: 40px; display: grid; place-items: center;
  border-radius: var(--radius-s); background: var(--surface-sunken); color: var(--text-secondary);
  margin-bottom: 0.25rem;
}

/* — Verlaufsdetails im Modal — */
.chart-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.chart-panel-eyebrow {
  font-size: var(--fs-small);
  font-weight: 700;
  color: var(--text-secondary);
}

.chart-panel-controls {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.period-toggle {
  display: inline-flex;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-s);
  overflow: hidden;
  flex-shrink: 0;
}
.period-btn {
  font: inherit;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.4rem 0.85rem;
  border: none;
  background: var(--surface);
  color: var(--text-secondary);
  cursor: pointer;
}
.period-btn + .period-btn { border-left: 1px solid var(--border-strong); }
.period-btn:hover { color: var(--text); }
.period-btn.is-active { background: var(--accent); color: #06281c; }

.range-select {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}
.range-select label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-secondary);
}
.range-select select {
  font: inherit;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.4rem 0.6rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-s);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
}
.range-select select:hover { border-color: var(--accent); }

.price-summary {
  display: flex;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-m);
  overflow: hidden;
  margin-bottom: 1.75rem;
}
@media (max-width: 480px) {
  /* 3 Zellen nebeneinander passen auf schmalen Screens nicht mehr - die
     dritte würde sonst durch "overflow: hidden" unsichtbar abgeschnitten. */
  .price-summary { flex-direction: column; }
}
.price-summary .summary-cell {
  flex: 1;
  min-width: 0;
  background: var(--surface);
  padding: 1.1rem 1.25rem;
}
.summary-cell .summary-label { display: block; font-size: var(--fs-small); color: var(--text-secondary); margin-bottom: 0.3rem; }
.summary-cell .summary-value {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  font-variant-numeric: tabular-nums;
}
.summary-cell.lowest .summary-value { color: var(--accent-strong); }
.summary-cell.highest .summary-value { color: var(--danger); }

.price-sparkline {
  position: relative;
  width: 100%;
  height: 220px;
  margin-bottom: 0.4rem;
  overflow: hidden;
}

.price-sparkline-axis {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  font-size: 0.7rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
}
.price-sparkline-axis span:first-child { text-align: left; }
.price-sparkline-axis span:last-child { text-align: right; }
.price-sparkline-axis span:not(:first-child):not(:last-child) { text-align: center; }
.price-sparkline svg { display: block; width: 100%; height: 100%; }
.price-sparkline .spark-line {
  fill: none;
  stroke: var(--chart-line);
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.price-sparkline .spark-fill { opacity: 0.45; }
.price-sparkline .spark-dot { fill: var(--surface); stroke: var(--accent); stroke-width: 2.5; }
.price-sparkline .grid-line { stroke: var(--chart-grid); stroke-width: 1; }

/* Werte-Legende an den Gitterlinien - eigene HTML-Elemente statt SVG-Text,
   damit die Zahlen nicht verzerren, wenn das SVG in der Breite gestaucht wird. */
.grid-label {
  position: absolute;
  left: 0;
  transform: translateY(-50%);
  font-size: 0.72rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--text-secondary);
  background: var(--surface);
  padding: 0 0.4rem 0 0;
  pointer-events: none;
}

.chart-source {
  font-size: 0.8rem;
  color: var(--text-secondary);
}
.chart-source a { color: var(--accent-strong); text-decoration: none; font-weight: 700; }
.chart-source a:hover { text-decoration: underline; }

.empty-state, .hint-state {
  text-align: center;
  padding: clamp(2.5rem, 2rem + 2vw, 4rem) 1.5rem;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-m);
  color: var(--text-secondary);
}
.empty-state .icon-badge, .hint-state .icon-badge {
  width: 56px; height: 56px; margin: 0 auto 1.25rem;
  display: grid; place-items: center; border-radius: 50%;
  background: var(--accent-soft); color: var(--accent-strong);
}
.empty-state .icon-badge .icon, .hint-state .icon-badge .icon { width: 26px; height: 26px; }
.empty-state h3, .hint-state h3 { color: var(--text); margin-bottom: 0.5rem; }
.empty-state p, .hint-state p { max-width: 40ch; margin-inline: auto; }

/* — Features — */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-m);
  overflow: hidden;
}

@media (max-width: 640px) {
  .feature-grid { grid-template-columns: 1fr; }
}

.feature-card {
  background: var(--surface);
  padding: clamp(1.75rem, 1.5rem + 1vw, 2.5rem);
  transition: background-color 0.2s ease;
}

.feature-card:hover { background: var(--accent-soft); }

.feature-card .icon-badge {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-s);
  background: var(--accent-soft);
  color: var(--accent-strong);
  margin-bottom: 1.25rem;
}

.feature-card h3 { margin-bottom: 0.6rem; }
.feature-card p { color: var(--text-secondary); }

/* — Footer — */
.site-footer {
  border-top: 1px solid var(--border);
  padding-block: 2.5rem;
}

.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: var(--fs-small);
  color: var(--text-secondary);
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-links a { text-decoration: none; color: var(--text-secondary); }
.footer-links a:hover { color: var(--text); }

[hidden] { display: none !important; }

@keyframes spin { to { transform: rotate(360deg); } }

.spinner {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid var(--border-strong);
  border-top-color: var(--accent);
  flex-shrink: 0;
}
@media (prefers-reduced-motion: no-preference) {
  .spinner { animation: spin 0.7s linear infinite; }
}

/* — Impressum / Datenschutz — */
.legal-page { padding-block: clamp(2.5rem, 2rem + 2vw, 4rem) var(--space-section); }
.legal-page h1 { margin-bottom: 0.5rem; }
.legal-page .lead-small { color: var(--text-secondary); font-size: var(--fs-lead); margin-top: 1rem; margin-bottom: 2rem; }
.legal-page h2 { font-size: var(--fs-h3); margin-top: 2.25rem; margin-bottom: 0.75rem; }
.legal-page p { color: var(--text); margin-bottom: 0; }
.legal-page a { color: var(--accent-strong); text-decoration: underline; text-underline-offset: 2px; }

.alert {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  background: var(--warning-soft);
  color: var(--warning);
  border: 1px solid color-mix(in srgb, var(--warning) 35%, transparent);
  border-radius: var(--radius-m);
  padding: 1rem 1.25rem;
  font-size: var(--fs-small);
}
.alert .icon { width: 20px; height: 20px; flex-shrink: 0; margin-top: 0.1rem; }
.alert strong { color: inherit; }