/*
 * style.css - eine Datei, keine Abhaengigkeiten, Systemschriften.
 * Ruhig, kontrastreich, gut lesbar auf einem Telefon in Eile.
 */

:root {
  color-scheme: light dark;

  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-2: #eef1f5;
  --text: #14181f;
  --text-muted: #4a5464;
  --border: #c8d0da;
  --border-strong: #8d99a8;

  --accent: #8a1220;          /* dunkles Blutrot, AA auf Weiss */
  --accent-text: #ffffff;
  --focus: #0b4fbf;

  --ok-bg: #e3f4e6;
  --ok-border: #2f7a3d;
  --ok-text: #17441f;
  --wait-bg: #fdf1dc;
  --wait-border: #8a5a00;
  --wait-text: #4a3200;
  --unclear-bg: #e8ecf5;
  --unclear-border: #3c4a70;
  --unclear-text: #232c48;
  --stop-bg: #fbe4e4;
  --stop-border: #98211f;
  --stop-text: #591111;

  --radius: 14px;
  --maxw: 46rem;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  --shadow-card: 0 1px 3px rgba(20, 24, 31, 0.06), 0 1px 2px rgba(20, 24, 31, 0.04);
  --shadow-btn: 0 1px 2px rgba(20, 24, 31, 0.08);
  --shadow-btn-hover: 0 4px 10px rgba(20, 24, 31, 0.16);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12151a;
    --surface: #1b1f27;
    --surface-2: #232833;
    --text: #eef1f6;
    --text-muted: #b3bcc9;
    --border: #3a424f;
    --border-strong: #6b7788;

    --accent: #ff9aa2;
    --accent-text: #1a0508;
    --focus: #8ab4ff;

    --ok-bg: #14301b;
    --ok-border: #57b06a;
    --ok-text: #c9efd2;
    --wait-bg: #33270e;
    --wait-border: #d6a441;
    --wait-text: #f3e0b8;
    --unclear-bg: #1e2436;
    --unclear-border: #8fa2d8;
    --unclear-text: #d7dff5;
    --stop-bg: #371616;
    --stop-border: #e08585;
    --stop-text: #f7d5d5;

    --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.4), 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-btn: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-btn-hover: 0 4px 10px rgba(0, 0, 0, 0.45);
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 1.05rem;
  line-height: 1.6;
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 1rem; }

h1 { font-size: 1.5rem; line-height: 1.25; margin: 1rem 0 0.5rem; letter-spacing: -0.01em; }
h2 { font-size: 1.1rem; line-height: 1.3; margin: 0 0 0.4rem; letter-spacing: -0.005em; }
h3 { font-size: 1.05rem; margin: 1rem 0 0.4rem; }
p { margin: 0 0 0.75rem; }
a { color: var(--focus); }
a:hover { text-decoration-thickness: 2px; }

.lede { font-size: 1.05rem; color: var(--text-muted); }
.help { color: var(--text-muted); font-size: 0.95rem; margin: 0.2rem 0 0.8rem; }
.note { color: var(--text-muted); font-size: 0.95rem; }
.source { color: var(--text-muted); font-size: 0.85rem; display: block; }

/* Fokus: sichtbar, ueberall, ohne Ausnahme. */
:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
  border-radius: 4px;
}
main:focus { outline: none; }

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--surface); color: var(--text);
  padding: 0.6rem 1rem; z-index: 10; border: 2px solid var(--focus);
}
.skip-link:focus { left: 0.5rem; top: 0.5rem; }

/* -------------------------------------------------------------- Kopfzeile */

.site-header {
  background: var(--surface);
  border-bottom: 3px solid var(--accent);
}
.header-row {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; min-height: 3.25rem; flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 0.5rem; font-weight: 700; letter-spacing: -0.01em; }
.brand-mark { font-size: 1.2rem; }

.lang-switch { display: flex; gap: 0.3rem; }
.lang-btn {
  font: inherit; font-size: 0.9rem; font-weight: 600;
  padding: 0.35rem 0.85rem;
  background: transparent; color: var(--text);
  border: 1px solid var(--border-strong); border-radius: 999px;
  cursor: pointer;
}
.lang-btn:hover { border-color: var(--text); }
.lang-btn.is-active {
  background: var(--accent); color: var(--accent-text);
  border-color: var(--accent);
}

/* ---------------------------------------------------------------- Flaechen */

.screen { padding-bottom: 2rem; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
  margin: 0 0 0.75rem;
  box-shadow: var(--shadow-card);
}
.card-disclaimer { border-left: 4px solid var(--accent); }
.card-support { border-left: 4px solid var(--focus); }

.ticks { margin: 0.4rem 0 0.6rem; padding-left: 1.2rem; }
.ticks li { margin-bottom: 0.3rem; }

.banner {
  border-radius: var(--radius);
  padding: 0.8rem 1rem;
  margin: 0.75rem 0;
  border: 1px solid;
}
.banner p { margin: 0.3rem 0 0; }
.banner-warn { background: var(--wait-bg); border-color: var(--wait-border); color: var(--wait-text); }
.banner-error { background: var(--stop-bg); border-color: var(--stop-border); color: var(--stop-text); }

/* ---------------------------------------------------------------- Elemente */

.btn {
  font: inherit;
  font-weight: 600;
  padding: 0.65rem 1.25rem;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: var(--surface-2);
  color: var(--text);
  cursor: pointer;
  min-height: 2.75rem;
  box-shadow: var(--shadow-btn);
  transition: transform 0.08s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}
.btn:hover { border-color: var(--text); transform: translateY(-1px); box-shadow: var(--shadow-btn-hover); }
.btn:active { transform: translateY(0); box-shadow: var(--shadow-btn); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; box-shadow: none; }
.btn-primary {
  background: var(--accent); color: var(--accent-text);
  border-color: var(--accent); font-weight: 700;
}
.btn-quiet { background: var(--surface); }

.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 0.7rem; margin-top: 0.85rem; }

input[type="text"], input[type="number"], input[type="date"] {
  font: inherit;
  padding: 0.6rem 0.7rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  min-height: 2.75rem;
  max-width: 100%;
}
input:disabled { opacity: 0.5; }

fieldset { border: 0; margin: 0; padding: 0; }
legend { padding: 0; }
.question-title { font-size: 1.3rem; font-weight: 700; line-height: 1.3; margin-bottom: 0.4rem; letter-spacing: -0.005em; }

.options { display: grid; gap: 0.5rem; margin: 0.7rem 0; }
.option {
  display: flex; align-items: center; gap: 0.7rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.65rem 0.9rem;
  transition: border-color 0.12s ease, background-color 0.12s ease;
}
.option:hover { border-color: var(--border-strong); }
.option:has(input:checked) {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, var(--surface));
}
.option input { width: 1.25rem; height: 1.25rem; accent-color: var(--focus); flex: none; }
.option label { flex: 1; cursor: pointer; }

.inline-field { display: flex; align-items: center; gap: 0.6rem; margin: 0.8rem 0; flex-wrap: wrap; }
.unit { color: var(--text-muted); }

.field-error {
  color: var(--stop-text); background: var(--stop-bg);
  border: 1px solid var(--stop-border); border-radius: var(--radius);
  padding: 0.6rem 0.8rem; margin: 0.6rem 0 0;
}

/* -------------------------------------------------------------- Fortschritt */

.progress { margin: 1.2rem 0 0.6rem; }
.progress-bar {
  height: 0.55rem; background: var(--surface-2);
  border: 1px solid var(--border); border-radius: 999px; overflow: hidden;
}
.progress-fill { display: block; height: 100%; background: var(--accent); width: 0; }
.progress-text { margin: 0.4rem 0 0; color: var(--text-muted); font-size: 0.95rem; }

.preview {
  background: var(--surface-2);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
  padding: 0.6rem 0.8rem;
  margin: 0 0 1rem;
}
.preview-label {
  margin: 0 0 0.2rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.preview-line { margin: 0; font-size: 0.95rem; }

/* ----------------------------------------------------------------- Ergebnis */

.result-card { border-left: 5px solid var(--border-strong); }
.result-card.status-possible { border-left-color: var(--ok-border); }
.result-card.status-possible_from { border-left-color: var(--wait-border); }
.result-card.status-unclear { border-left-color: var(--unclear-border); }
.result-card.status-not_eligible { border-left-color: var(--stop-border); }

.result-card-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 0.6rem; flex-wrap: wrap; margin-bottom: 0.3rem;
}
.result-card-head h2 { margin: 0; }

.status-pill {
  display: inline-flex; align-items: center;
  padding: 0.3rem 0.85rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 700;
  white-space: nowrap;
  line-height: 1.3;
}
.status-possible .status-pill { background: var(--ok-bg); color: var(--ok-text); }
.status-possible_from .status-pill { background: var(--wait-bg); color: var(--wait-text); }
.status-unclear .status-pill { background: var(--unclear-bg); color: var(--unclear-text); }
.status-not_eligible .status-pill { background: var(--stop-bg); color: var(--stop-text); }

.status-detail { margin: 0 0 0.4rem; }

.reasons { margin: 0.4rem 0 0.6rem; }
.reasons summary { cursor: pointer; font-weight: 600; }
.reasons ul, .rule-list { margin: 0.6rem 0 0; padding-left: 1.2rem; }
.reasons li, .rule-list li { margin-bottom: 0.5rem; }

.link-list { list-style: none; margin: 0.4rem 0 1rem; padding: 0; }
.link-list li { margin-bottom: 0.6rem; }
.link-note { color: var(--text-muted); font-size: 0.9rem; display: block; }
.link-disabled { color: var(--text-muted); text-decoration: line-through; }

.plz-row { display: flex; flex-wrap: wrap; align-items: center; gap: 0.6rem; margin: 0.6rem 0 1rem; }
.plz-row label { flex: 0 0 100%; }
.plz-row .help, .plz-row .field-error { flex: 0 0 100%; margin-top: 0.2rem; }

.trust-line { font-weight: 600; margin: 0 0 1rem; }

.actions-top { margin: 0 0 1.2rem; }

.expander {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin: 0 0 0.6rem;
  overflow: hidden;
}
.expander summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  padding: 0.9rem 1rem;
  font-weight: 600;
  font-size: 1.05rem;
}
.expander summary::-webkit-details-marker { display: none; }
.expander summary::after {
  content: "+";
  flex: none;
  font-weight: 400;
  color: var(--text-muted);
}
.expander[open] summary::after { content: "\2013"; }
.expander summary:hover { background: var(--surface-2); }
.expander-body { padding: 0 1rem 1rem; }
.expander-body > *:first-child { margin-top: 0; }
.expander-body > *:last-child { margin-bottom: 0; }

/* -------------------------------------------------------------- Fusszeile */

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
  padding: 1.2rem 0;
  margin-top: 2rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}
.site-footer p { margin: 0 0 0.4rem; }

/* Fehlender Uebersetzungsschluessel: laut sichtbar, nicht still ersetzt. */
.i18n-missing {
  color: #ff1f1f;
  background: #fff0f0;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-weight: 700;
  outline: 2px dashed #ff1f1f;
}

/* Rechtstexte */
.legal { max-width: var(--maxw); margin: 0 auto; padding: 1rem; }
.legal h2 { margin-top: 1.6rem; }
.legal .todo {
  background: var(--wait-bg); border: 1px solid var(--wait-border);
  color: var(--wait-text); padding: 0.15rem 0.4rem; border-radius: 4px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}