/* Nährstoff-Kompass — Styles
   Look: Ninas Liquid-Wasser (türkis, bewegt) als Vollbild-Hintergrund,
   Inhalte auf Milchglas. Identität der Hauptseite: Syne + JetBrains Mono,
   Akzent-Cyan. Ein bewusst ruhiger, nicht-medizinischer Auftritt. */

:root {
  --accent: #00d4ff;          /* Seiten-Akzent (Cyan) */
  --water-deep: #0a4a5e;
  --water-mid: #16b7bd;
  --water-bright: #29d1d6;
  --foam: #d6ffff;

  --text: #f2fbff;
  --text-soft: rgba(242, 251, 255, 0.82);
  --text-mute: rgba(226, 245, 250, 0.62);

  --glass: rgba(6, 28, 36, 0.52);
  --glass-strong: rgba(5, 24, 32, 0.72);
  --glass-border: rgba(255, 255, 255, 0.16);
  --glass-border-soft: rgba(255, 255, 255, 0.10);

  --font-display: 'Syne', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
  --font-body: system-ui, -apple-system, 'Segoe UI', sans-serif;

  --radius: 20px;
  --radius-sm: 12px;
  --pill: 999px;
  --shadow: 0 18px 44px rgba(0, 20, 30, 0.42);
  --shadow-soft: 0 8px 22px rgba(0, 20, 30, 0.28);
  --maxw: 760px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  min-height: 100dvh;
  font-family: var(--font-body);
  color: var(--text);
  background: var(--water-deep);
  overflow-x: hidden;
  line-height: 1.55;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

/* ---------- Wasser-Hintergrund (3 Ebenen) ---------- */
.water-layer {
  position: fixed;
  inset: 0;
  z-index: -3;
}
.water-gradient {
  background: linear-gradient(160deg, #0a6e8a 0%, #16b7bd 45%, #0a4a5e 100%);
}
#water {
  display: block;
  width: 100%;
  height: 100%;
  z-index: -2;
  animation: waterFade 1s ease both;
}
.water-vignette {
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(120% 90% at 50% 40%, rgba(0,0,0,0) 34%, rgba(2,30,42,0.42) 100%);
}
@keyframes waterFade { from { opacity: 0; } to { opacity: 1; } }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem clamp(1rem, 4vw, 2.4rem);
  background: rgba(4, 24, 32, 0.55);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border-soft);
}
.brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 0.06em;
  color: var(--text);
  text-decoration: none;
}
.brand:hover { color: var(--accent); }
.header-spacer { flex: 1; }
.back-link {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-mute);
  text-decoration: none;
  white-space: nowrap;
}
.back-link:hover { color: var(--accent); }

.lang-switcher { display: flex; gap: 0.28rem; align-items: center; flex-wrap: wrap; }
.lang-btn {
  background: none;
  border: 1px solid transparent;
  color: var(--text-mute);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  padding: 0.2rem 0.45rem;
  cursor: pointer;
  border-radius: 6px;
  transition: all 0.2s;
  text-transform: uppercase;
}
.lang-btn:hover { color: var(--accent); border-color: rgba(0,212,255,0.3); }
.lang-btn.active { color: var(--accent); border-color: rgba(0,212,255,0.55); }

/* ---------- Layout ---------- */
main {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(1.2rem, 4vw, 2.6rem) clamp(1rem, 4vw, 1.6rem) 4rem;
}

.panel {
  background: var(--glass);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: clamp(1.2rem, 3.5vw, 2rem);
  margin-bottom: 1.4rem;
}

/* ---------- Intro-Hero ---------- */
.intro {
  text-align: center;
  padding: clamp(2.4rem, 8vw, 4.4rem) 1rem clamp(1.6rem, 4vw, 2.4rem);
}
.kicker {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--text-soft);
  text-shadow: 0 1px 14px rgba(0,30,40,0.4);
}
.intro h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.3rem, 7vw, 4.2rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  margin: 0.7rem 0 0;
  text-shadow: 0 2px 36px rgba(0,28,40,0.45);
}
.intro .lede {
  font-size: clamp(1rem, 2vw, 1.2rem);
  max-width: 40ch;
  margin: 1.1rem auto 0;
  color: var(--text-soft);
  text-shadow: 0 1px 16px rgba(0,30,40,0.35);
  text-wrap: pretty;
}
.intro .meta-note {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--text-mute);
  margin-top: 1rem;
}
.cta-row {
  margin-top: 2rem;
  display: flex;
  gap: 0.8rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- Buttons ---------- */
.btn {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  border: none;
  border-radius: var(--pill);
  padding: 0.85rem 1.7rem;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}
.btn-primary {
  background: #fff;
  color: #06414f;
  box-shadow: 0 10px 34px rgba(0,25,38,0.32);
}
.btn-primary:hover { transform: translateY(-2px); }
.btn-glass {
  background: rgba(255,255,255,0.14);
  color: var(--text);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.btn-glass:hover { background: rgba(255,255,255,0.22); }
.btn-sm { font-size: 0.82rem; padding: 0.55rem 1.1rem; }

/* ---------- Formular ---------- */
.form-grid { display: flex; flex-direction: column; gap: 1.5rem; }

fieldset {
  border: 1px solid var(--glass-border-soft);
  border-radius: var(--radius-sm);
  padding: 1.1rem 1.1rem 1.2rem;
  background: rgba(255,255,255,0.03);
}
legend {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.02rem;
  padding: 0 0.5rem;
  color: var(--text);
}
.field-hint {
  font-size: 0.82rem;
  color: var(--text-mute);
  margin: 0.15rem 0 0.7rem;
}

/* Slider (Alter, Gewicht) */
.slider-row { display: flex; align-items: baseline; gap: 0.6rem; margin-bottom: 0.4rem; }
.slider-val {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--accent);
}
.slider-unit { font-family: var(--font-mono); font-size: 0.85rem; color: var(--text-mute); }
input[type="range"] {
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  height: 6px;
  border-radius: var(--pill);
  background: linear-gradient(90deg, var(--accent), var(--water-bright));
  outline: none;
  cursor: pointer;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--accent);
  box-shadow: var(--shadow-soft);
  cursor: pointer;
}
input[type="range"]::-moz-range-thumb {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--accent);
  cursor: pointer;
}

/* Segmentierte Auswahl (Radio-Gruppen) + Ziele (Mehrfach) */
.seg-group { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.seg {
  position: relative;
}
.seg input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.seg label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  padding: 0.55rem 1rem;
  border-radius: var(--pill);
  border: 1px solid var(--glass-border);
  background: rgba(255,255,255,0.05);
  color: var(--text-soft);
  cursor: pointer;
  transition: all 0.18s ease;
  white-space: nowrap;
}
.seg input:hover + label { border-color: rgba(0,212,255,0.4); }
.seg input:checked + label {
  background: rgba(0,212,255,0.18);
  border-color: var(--accent);
  color: var(--text);
}
.seg input:focus-visible + label {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Gewicht optional: Kopfzeile mit Umschalter */
.optional-head { display: flex; align-items: center; justify-content: space-between; gap: 0.6rem; flex-wrap: wrap; }

/* ---------- Ergebnis ---------- */
.result { scroll-margin-top: 5rem; }
.result[hidden] { display: none; }

.index-block { display: flex; align-items: center; gap: 1.3rem; flex-wrap: wrap; }
.index-dial {
  --val: 50;
  flex: 0 0 auto;
  width: 108px; height: 108px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background:
    radial-gradient(closest-side, var(--glass-strong) 78%, transparent 79%),
    conic-gradient(var(--accent) calc(var(--val) * 1%), rgba(255,255,255,0.12) 0);
  position: relative;
}
.index-dial b {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 600;
  color: var(--text);
}
.index-meta { flex: 1; min-width: 200px; }
.index-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-mute);
}
.index-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.3rem, 3.5vw, 1.7rem);
  margin: 0.25rem 0 0.4rem;
  line-height: 1.15;
}
.index-note { font-size: 0.85rem; color: var(--text-soft); }

.nut-list { display: flex; flex-direction: column; gap: 0.9rem; margin-top: 1.3rem; }
.nut-card {
  border: 1px solid var(--glass-border-soft);
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.04);
  padding: 1rem 1.1rem;
}
.nut-head { display: flex; align-items: center; gap: 0.7rem; flex-wrap: wrap; }
.nut-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
}
.nut-badge {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.22rem 0.6rem;
  border-radius: var(--pill);
  border: 1px solid currentColor;
}
/* Ruhige Farbcodierung — KEINE Ampel, kein Alarm. Cyan = zuerst, Teal = Blick, grau = Basis */
.nut-badge.first { color: #7ff0ff; background: rgba(0,212,255,0.14); }
.nut-badge.watch { color: #9fe6d6; background: rgba(80,200,180,0.12); }
.nut-badge.base  { color: var(--text-mute); background: rgba(255,255,255,0.05); }
.nut-rank { margin-left: auto; font-family: var(--font-mono); font-size: 0.8rem; color: var(--text-mute); }

.nut-reason { margin-top: 0.55rem; color: var(--text-soft); font-size: 0.94rem; }
.nut-step {
  margin-top: 0.5rem;
  font-size: 0.9rem;
  color: var(--text);
  padding-left: 0.8rem;
  border-left: 2px solid var(--accent);
}
.nut-ref {
  margin-top: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-mute);
}
body.hide-reasons .nut-reason,
body.hide-reasons .nut-step { display: none; }

.disclaimer {
  margin-top: 1.4rem;
  padding: 1rem 1.1rem;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--glass-border-soft);
  font-size: 0.88rem;
  color: var(--text-soft);
}
.disclaimer strong { color: var(--text); }
.sources { margin-top: 0.8rem; font-size: 0.85rem; }
.sources a { color: var(--accent); text-decoration: none; }
.sources a:hover { text-decoration: underline; }

.result-actions { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 1.4rem; }

/* ---------- Footer ---------- */
.site-footer {
  text-align: center;
  padding: 2.4rem 1rem 3rem;
  color: var(--text-mute);
  font-size: 0.85rem;
}
.site-footer .footer-logo {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--text);
}
.site-footer a { color: var(--accent); text-decoration: none; }

/* ---------- RTL ---------- */
html[dir="rtl"] .nut-step { padding-left: 0; padding-right: 0.8rem; border-left: none; border-right: 2px solid var(--accent); }
html[dir="rtl"] .nut-rank { margin-left: 0; margin-right: auto; }
html[dir="rtl"] .back-link { direction: rtl; }

/* ---------- Methodik-Ausklapper (in Karten) ---------- */
.method { margin-top: 0.7rem; }
.method summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--accent);
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.method summary::-webkit-details-marker { display: none; }
.method summary::before { content: '▸'; transition: transform 0.2s; display: inline-block; }
.method[open] summary::before { transform: rotate(90deg); }
.method-line {
  margin-top: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--text-soft);
  background: rgba(0,0,0,0.18);
  border-radius: 8px;
  padding: 0.55rem 0.7rem;
}
body.hide-reasons .method-line { color: var(--text-soft); }

/* ---------- Foldout (Arzt-Fragen) ---------- */
.foldout {
  margin-top: 1.3rem;
  border: 1px solid var(--glass-border-soft);
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.04);
  padding: 0.9rem 1.1rem;
}
.foldout summary {
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.02rem;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.foldout summary::-webkit-details-marker { display: none; }
.foldout summary::before { content: '▸'; color: var(--accent); transition: transform 0.2s; }
.foldout[open] summary::before { transform: rotate(90deg); }
.foldout-intro { margin: 0.7rem 0 0.6rem; font-size: 0.86rem; color: var(--text-mute); }
.labs-list { list-style: none; display: flex; flex-direction: column; gap: 0.45rem; }
.labs-list li { font-size: 0.9rem; color: var(--text-soft); }
.labs-list strong { color: var(--text); }

/* ---------- Verlauf / Einstellungen ---------- */
.section-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.2rem, 3vw, 1.5rem);
  margin-bottom: 0.9rem;
}
.history-stats { display: flex; flex-wrap: wrap; gap: 1.2rem; margin-bottom: 1rem; font-size: 0.9rem; color: var(--text-soft); }
.history-stats b { font-family: var(--font-mono); color: var(--accent); font-size: 1.05rem; }
.history-list { list-style: none; display: flex; flex-direction: column; gap: 0.55rem; }
.history-item {
  display: flex; align-items: center; gap: 0.8rem;
  border: 1px solid var(--glass-border-soft);
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.04);
  padding: 0.6rem 0.8rem;
}
.hi-index { font-family: var(--font-mono); font-size: 1.2rem; font-weight: 600; color: var(--accent); min-width: 2.2ch; text-align: center; }
.hi-main { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.hi-title { font-weight: 600; }
.hi-when { font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-mute); }
.hi-btn {
  background: none; border: 1px solid var(--glass-border); color: var(--text-soft);
  font-family: var(--font-mono); font-size: 0.72rem; padding: 0.35rem 0.7rem;
  border-radius: var(--pill); cursor: pointer; transition: all 0.18s;
}
.hi-btn:hover { border-color: var(--accent); color: var(--accent); }
.hi-del:hover { border-color: #ff9a9a; color: #ffbcbc; }

.switch-row { display: flex; align-items: center; gap: 0.7rem; padding: 0.55rem 0; cursor: pointer; }
.switch-row input { width: 20px; height: 20px; accent-color: var(--accent); cursor: pointer; }

/* ---------- Teilbild ---------- */
.image-box { margin-top: 1.2rem; }
.image-box img {
  width: 100%; max-width: 360px; display: block; margin: 0 auto 0.9rem;
  border-radius: var(--radius-sm); box-shadow: var(--shadow);
}

.share-notice {
  margin-top: 0.8rem; font-size: 0.82rem; color: var(--text-mute);
  background: rgba(255,255,255,0.05); border: 1px solid var(--glass-border-soft);
  border-radius: 8px; padding: 0.6rem 0.8rem;
}

/* ---------- Toast ---------- */
.toast {
  position: fixed; left: 50%; bottom: 1.6rem; transform: translateX(-50%) translateY(1rem);
  background: var(--glass-strong); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--glass-border); color: var(--text);
  padding: 0.7rem 1.2rem; border-radius: var(--pill); box-shadow: var(--shadow);
  font-size: 0.9rem; z-index: 100; opacity: 0; transition: opacity 0.3s, transform 0.3s; pointer-events: none;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---------- Reveal-Animation ---------- */
@keyframes rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }
.nut-card.in { animation: rise 0.5s ease both; }
@media (prefers-reduced-motion: reduce) { .nut-card.in { animation: none; } }

html[dir="rtl"] .method-line { text-align: right; }
html[dir="rtl"] .hi-main { text-align: right; }

/* ---------- Responsive ---------- */
@media (max-width: 560px) {
  .site-header { gap: 0.6rem; padding: 0.7rem 0.9rem; flex-wrap: wrap; }
  .back-link { display: none; }
  .lang-btn { font-size: 0.58rem; padding: 0.18rem 0.36rem; }
  .index-block { justify-content: center; text-align: center; }
  .cta-row .btn { flex: 1 1 auto; justify-content: center; }
}