/* ==========================================================================
   alkomat.at – zentrales Stylesheet
   Design: ruhig, sachlich, sicherheitsorientiert.
   Kein Grün als Sicherheitsfarbe. Orange = Hinweis, Rot = Warnung.
   Nur lokale Systemschriften. Keine externen Abhängigkeiten.
   ========================================================================== */

:root {
  --ink: #1f2a35;          /* Anthrazit-Blau, Fließtext */
  --ink-soft: #4b5a68;     /* abgeschwächter Text */
  --navy: #14324f;         /* Primärfarbe, dunkles Blau */
  --navy-deep: #0e2439;    /* Header, Footer */
  --paper: #fbf9f5;        /* warmes Weiß */
  --card: #ffffff;
  --line: #d8dde3;
  --line-soft: #e8ebee;
  --link: #14567f;
  --link-visited: #3f4f7a;
  --amber: #9a5300;        /* Hinweistext */
  --amber-bg: #fff3e2;
  --amber-line: #e6b980;
  --red: #b3261e;          /* Warnungstext */
  --red-bg: #fdecea;
  --red-line: #eba9a4;
  --focus: #14567f;
  --radius: 10px;
  --maxw: 72rem;
  --textw: 46rem;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", Consolas, Menlo, monospace;
}

* { box-sizing: border-box; }

html {
  font-family: var(--font);
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-size: 1.0625rem;
}

/* ---------- Skip-Link ---------- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--navy);
  color: #fff;
  padding: 0.7rem 1.1rem;
  z-index: 100;
  border-radius: 0 0 var(--radius) 0;
}
.skip-link:focus {
  left: 0;
}

/* ---------- Fokus ---------- */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
  border-radius: 3px;
}

/* ---------- Typografie ---------- */
h1, h2, h3 {
  line-height: 1.25;
  color: var(--navy);
  letter-spacing: -0.015em;
  text-wrap: balance;
}
h1 { font-size: clamp(1.75rem, 4.5vw, 2.5rem); margin: 0 0 0.75rem; }
h2 { font-size: clamp(1.35rem, 3vw, 1.7rem); margin: 2.5rem 0 0.75rem; }
h3 { font-size: 1.15rem; margin: 1.75rem 0 0.5rem; }
p, ul, ol { margin: 0 0 1rem; }
a { color: var(--link); text-underline-offset: 2px; }
a:visited { color: var(--link-visited); }
a:hover { text-decoration-thickness: 2px; }
strong { color: var(--navy); }
small, .small { font-size: 0.9rem; color: var(--ink-soft); }
code { font-family: var(--mono); font-size: 0.92em; background: var(--line-soft); padding: 0.1em 0.35em; border-radius: 4px; }
hr { border: 0; border-top: 1px solid var(--line); margin: 2.5rem 0; }

/* ---------- Layout ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 1.1rem; }
main { display: block; }
.content { max-width: var(--textw); }
.content > *:first-child { margin-top: 0; }
article.content { padding: 2rem 0 3rem; }

/* ---------- Header ---------- */
.site-header {
  background: var(--navy-deep);
  color: #fff;
  border-bottom: 4px solid var(--navy);
}
.site-header .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.5rem;
  padding-top: 0.85rem;
  padding-bottom: 0.85rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
}
.brand:visited { color: #fff; }
.brand svg { flex: none; }
.brand .tld { opacity: 0.65; font-weight: 400; }

.site-nav { margin-left: auto; }
.nav-toggle {
  display: none;
  margin-left: auto;
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.4);
  border-radius: 8px;
  padding: 0.5rem 0.9rem;
  font: inherit;
  cursor: pointer;
}
.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.15rem;
}
.site-nav a {
  display: block;
  color: #fff;
  text-decoration: none;
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  font-size: 0.98rem;
}
.site-nav a:visited { color: #fff; }
.site-nav a:hover,
.site-nav a[aria-current="page"] {
  background: rgba(255,255,255,0.14);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (max-width: 900px) {
  .nav-toggle { display: inline-block; }
  .site-nav { display: none; width: 100%; margin-left: 0; }
  .site-nav.open { display: block; }
  .site-nav ul { flex-direction: column; padding: 0.5rem 0; }
  .site-nav a { padding: 0.75rem 0.5rem; font-size: 1.05rem; }
}
/* Ohne JavaScript bleibt die Navigation immer sichtbar */
.no-js .site-nav { display: block; width: 100%; }

/* ---------- Sicherheitsleiste ---------- */
.safety-bar {
  background: var(--amber-bg);
  border-bottom: 1px solid var(--amber-line);
  color: var(--ink);
  font-size: 0.95rem;
}
.safety-bar .wrap { padding-top: 0.55rem; padding-bottom: 0.55rem; }
.safety-bar strong { color: var(--amber); }

/* ---------- Breadcrumbs ---------- */
.breadcrumbs { font-size: 0.9rem; padding: 1rem 0 0; color: var(--ink-soft); }
.breadcrumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: 0.35rem; margin: 0; padding: 0; }
.breadcrumbs li + li::before { content: "›"; margin-right: 0.35rem; color: var(--ink-soft); }
.breadcrumbs a { color: var(--ink-soft); }

/* ---------- Meta-Zeile (Autor, Datum, Quellenstand) ---------- */
.page-meta {
  font-size: 0.9rem;
  color: var(--ink-soft);
  border-left: 3px solid var(--line);
  padding: 0.35rem 0 0.35rem 0.85rem;
  margin: 0 0 1.75rem;
}
.page-meta a { color: var(--ink-soft); }

/* ---------- Boxen ---------- */
.notice, .warning, .info-box, .emergency {
  border-radius: var(--radius);
  padding: 1rem 1.15rem;
  margin: 1.25rem 0;
}
.notice {
  background: var(--amber-bg);
  border: 1px solid var(--amber-line);
}
.notice strong { color: var(--amber); }
.warning {
  background: var(--red-bg);
  border: 1px solid var(--red-line);
}
.warning strong { color: var(--red); }
.info-box {
  background: var(--card);
  border: 1px solid var(--line);
}
.emergency {
  background: var(--red-bg);
  border: 2px solid var(--red);
}
.emergency h2, .emergency h3, .emergency strong { color: var(--red); margin-top: 0; }
.emergency a { color: var(--red); font-weight: 700; }
.notice > :last-child, .warning > :last-child,
.info-box > :last-child, .emergency > :last-child { margin-bottom: 0; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  background: var(--navy);
  color: #fff;
  border: 2px solid var(--navy);
  border-radius: 999px;
  padding: 0.7rem 1.4rem;
  font: inherit;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  min-height: 44px;
}
.btn:visited { color: #fff; }
.btn:hover { background: var(--navy-deep); border-color: var(--navy-deep); }
.btn-secondary {
  background: transparent;
  color: var(--navy);
}
.btn-secondary:visited { color: var(--navy); }
.btn-secondary:hover { background: var(--line-soft); }
.btn-quiet {
  background: transparent;
  border-color: var(--line);
  color: var(--ink-soft);
  font-weight: 500;
}
.btn-quiet:visited { color: var(--ink-soft); }
.btn-quiet:hover { background: var(--line-soft); border-color: var(--ink-soft); }
.btn + .btn { margin-left: 0.5rem; }
@media (max-width: 540px) {
  .btn { display: block; text-align: center; margin: 0 0 0.6rem; }
  .btn + .btn { margin-left: 0; }
}

/* ---------- Hero ---------- */
.hero {
  padding: 2.5rem 0 2rem;
  display: grid;
  gap: 2rem;
  align-items: center;
}
@media (min-width: 860px) {
  .hero { grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); padding: 3.5rem 0 3rem; }
}
.hero h1 { margin-top: 0; }
.hero .lede { font-size: 1.15rem; max-width: 38rem; }
.hero-media img, .hero-media svg { width: 100%; height: auto; border-radius: var(--radius); }

/* ---------- Karten ---------- */
.card-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  margin: 1.5rem 0;
  padding: 0;
  list-style: none;
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.15rem 1.25rem;
}
.card h3 { margin-top: 0; font-size: 1.08rem; }
.card p { margin-bottom: 0.35rem; font-size: 0.97rem; }
.card a { font-weight: 600; }

/* ---------- Tabellen ---------- */
.table-scroll { overflow-x: auto; margin: 1.25rem 0; }
table {
  border-collapse: collapse;
  width: 100%;
  background: var(--card);
  font-size: 0.98rem;
}
caption {
  text-align: left;
  font-weight: 700;
  color: var(--navy);
  padding-bottom: 0.5rem;
}
th, td {
  border: 1px solid var(--line);
  padding: 0.6rem 0.75rem;
  text-align: left;
  vertical-align: top;
}
th { background: var(--line-soft); color: var(--navy); }
tbody tr:nth-child(even) td { background: #f7f7f4; }

/* ---------- Rechner ---------- */
.calc {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.35rem 1.35rem 1.6rem;
  margin: 1.75rem 0;
  max-width: 46rem;
}
.calc fieldset {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.9rem 1rem 1.1rem;
  margin: 0 0 1.25rem;
}
.calc legend { font-weight: 700; color: var(--navy); padding: 0 0.4rem; }
.calc label { display: block; font-weight: 600; margin: 0.75rem 0 0.25rem; }
.calc .hint { display: block; font-weight: 400; font-size: 0.88rem; color: var(--ink-soft); margin-top: 0.15rem; }
.calc input, .calc select {
  font: inherit;
  width: 100%;
  max-width: 18rem;
  padding: 0.6rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  min-height: 44px;
}
.calc input:invalid { border-color: var(--red-line); }
.drink-row {
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  padding: 0.75rem 0.9rem 1rem;
  margin: 0.75rem 0;
  background: #fcfcfa;
}
.drink-row .row-grid {
  display: grid;
  gap: 0.35rem 1rem;
  grid-template-columns: repeat(auto-fit, minmax(9.5rem, 1fr));
}
.drink-row .row-grid label { margin-top: 0.5rem; }
.drink-row .row-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
}
.remove-drink {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink-soft);
  border-radius: 8px;
  font: inherit;
  font-size: 0.88rem;
  padding: 0.35rem 0.7rem;
  cursor: pointer;
  min-height: 40px;
}
.remove-drink:hover { border-color: var(--red); color: var(--red); }
.calc-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.25rem; }
.calc-actions .btn + .btn { margin-left: 0; }

.error-summary {
  background: var(--red-bg);
  border: 2px solid var(--red);
  border-radius: var(--radius);
  padding: 1rem 1.15rem;
  margin: 1rem 0;
}
.error-summary h3 { margin: 0 0 0.5rem; color: var(--red); }
.error-summary ul { margin: 0; padding-left: 1.25rem; }
.error-summary a { color: var(--red); font-weight: 600; }

/* Ergebnis: neutral, nie grün */
.result {
  border: 1px solid var(--line);
  border-left: 6px solid var(--navy);
  border-radius: var(--radius);
  background: var(--card);
  padding: 1.25rem 1.35rem;
  margin: 1.5rem 0;
}
.result h2, .result h3 { margin-top: 0; }
.result-range {
  font-size: clamp(1.4rem, 4vw, 1.9rem);
  font-weight: 700;
  color: var(--navy);
  margin: 0.25rem 0 0.5rem;
}
.result dl { display: grid; grid-template-columns: max-content 1fr; gap: 0.25rem 1rem; margin: 1rem 0; font-size: 0.97rem; }
.result dt { font-weight: 600; color: var(--ink-soft); }
.result dd { margin: 0; }
@media (max-width: 540px) {
  .result dl { grid-template-columns: 1fr; }
  .result dt { margin-top: 0.5rem; }
}

/* Unsicherheitsband (Signatur-Element, bewusst ohne Grün) */
.uncertainty-band {
  position: relative;
  height: 14px;
  border-radius: 999px;
  background: linear-gradient(90deg, #e8ebee 0%, #f2d9a8 55%, #eba9a4 100%);
  margin: 0.75rem 0 0.35rem;
}
.uncertainty-band .band-marker {
  position: absolute;
  top: -4px;
  height: 22px;
  border-radius: 999px;
  background: rgba(20, 50, 79, 0.28);
  border: 2px solid var(--navy);
  min-width: 14px;
}
.band-scale { display: flex; justify-content: space-between; font-size: 0.8rem; color: var(--ink-soft); }

/* ---------- FAQ / Details ---------- */
details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  padding: 0;
  margin: 0.6rem 0;
}
summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--navy);
  padding: 0.85rem 1.1rem;
  list-style-position: inside;
}
details > *:not(summary) { padding: 0 1.1rem; }
details > :last-child { padding-bottom: 1rem; }

/* ---------- Quellen ---------- */
.sources {
  border-top: 2px solid var(--line);
  margin-top: 3rem;
  padding-top: 1.25rem;
  font-size: 0.95rem;
}
.sources h2 { margin-top: 0; font-size: 1.25rem; }
.sources ul { padding-left: 1.25rem; }

/* ---------- Bilder / Diagramme ---------- */
figure { margin: 1.75rem 0; }
figure img, figure svg { max-width: 100%; height: auto; border-radius: var(--radius); }
figcaption { font-size: 0.9rem; color: var(--ink-soft); margin-top: 0.5rem; }
.diagram { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 0.75rem; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy-deep);
  color: #d8e0e8;
  margin-top: 4rem;
  font-size: 0.95rem;
}
.site-footer a { color: #fff; }
.site-footer a:visited { color: #e6e0f0; }
.footer-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  padding: 2.5rem 0 1.5rem;
}
.footer-grid h2 { color: #fff; font-size: 1rem; margin: 0 0 0.6rem; letter-spacing: 0.02em; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin: 0.35rem 0; }
.footer-emergency {
  border: 1px solid rgba(255,255,255,0.35);
  border-radius: var(--radius);
  padding: 0.9rem 1rem;
}
.footer-emergency strong { color: #ffd9d5; }
.footer-legal {
  border-top: 1px solid rgba(255,255,255,0.2);
  padding: 1.1rem 0 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  align-items: center;
}
.footer-legal p { margin: 0; }

/* ---------- Utility ---------- */
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0; border: 0;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  overflow: hidden;
  white-space: nowrap;
}
.js-only { display: none; }
.js .js-only { display: revert; }
.js .no-js-only { display: none; }

/* ---------- Druck ---------- */
@media print {
  .site-header, .site-footer, .safety-bar, .breadcrumbs, .calc-actions, .nav-toggle { display: none !important; }
  body { background: #fff; color: #000; }
  a { color: #000; text-decoration: underline; }
  .result, .warning, .notice, .emergency { break-inside: avoid; }
}