:root {
  --hwz-navy: #0b2a55;
  --hwz-blue: #1662c4;
  --hwz-blue-soft: #e8f0fb;
  --case-a: #1662c4;
  --case-b: #e0761a;
  --bg: #f4f6fa;
  --surface: #ffffff;
  --text: #13213a;
  --muted: #5b6a82;
  --border: #d8dfeb;
  --danger: #c0262d;
  --ok: #18804b;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(11, 42, 85, 0.06), 0 6px 20px rgba(11, 42, 85, 0.06);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --hwz-blue: #5b9bf0;
    --hwz-blue-soft: #16294a;
    --case-a: #5b9bf0;
    --case-b: #f19a4c;
    --bg: #0c1424;
    --surface: #132038;
    --text: #e8eef8;
    --muted: #9aaac4;
    --border: #263652;
    --danger: #ff7a7f;
    --ok: #4cc98a;
    --shadow: none;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

.topbar {
  background: var(--hwz-navy);
  color: #fff;
}
.topbar-inner {
  max-width: 820px;
  margin: 0 auto;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.logo {
  font-weight: 800;
  letter-spacing: 0.04em;
  background: #fff;
  color: var(--hwz-navy);
  padding: 4px 9px;
  border-radius: 6px;
  font-size: 15px;
}
.topbar-title { font-size: 14px; opacity: 0.85; line-height: 1.3; }

main {
  max-width: 820px;
  margin: 0 auto;
  padding: 20px 16px 120px;
}

h1 {
  font-size: clamp(24px, 5vw, 32px);
  line-height: 1.2;
  margin: 8px 0 8px;
  letter-spacing: -0.01em;
}
.lead { color: var(--muted); margin: 0 0 20px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
  margin-bottom: 18px;
}

label, .label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
}
.optional { font-weight: 400; color: var(--muted); font-size: 14px; }

input[type='text'], textarea {
  width: 100%;
  font: inherit;
  font-size: 16px; /* verhindert Zoom auf iOS */
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 11px 12px;
  transition: border-color 0.15s, box-shadow 0.15s;
}
textarea { min-height: 76px; resize: vertical; }
input:focus, textarea:focus {
  outline: none;
  border-color: var(--hwz-blue);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--hwz-blue) 25%, transparent);
}

details.scorecard summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--hwz-blue);
}
.table-wrap { overflow-x: auto; margin-top: 12px; }
.sc-table { border-collapse: collapse; width: 100%; font-size: 14px; min-width: 520px; }
.sc-table th, .sc-table td { padding: 7px 8px; border-bottom: 1px solid var(--border); text-align: center; }
.sc-table th:first-child, .sc-table td:first-child { text-align: left; }
.sc-table thead th { font-size: 13px; color: var(--muted); font-weight: 600; }
.dots { letter-spacing: 2px; color: var(--hwz-blue); white-space: nowrap; }
.sc-note { font-size: 13px; color: var(--muted); margin: 10px 0 0; }

/* Fallwahl */
.picker { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 4px; }
.pick {
  --case-color: var(--case-a);
  font: inherit;
  color: var(--text);
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 14px;
  border: 2px solid var(--border);
  border-top: 6px solid var(--case-color);
  border-radius: 12px;
  background: var(--bg);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.pick[data-case='B'] { --case-color: var(--case-b); }
.pick[aria-selected='true'] {
  border-color: var(--case-color);
  background: color-mix(in srgb, var(--case-color) 12%, var(--surface));
  box-shadow: inset 0 0 0 1px var(--case-color);
}
.pick:focus-visible { outline: 3px solid color-mix(in srgb, var(--case-color) 40%, transparent); outline-offset: 2px; }
.pick-tag {
  align-self: flex-start;
  background: var(--case-color);
  color: #fff;
  font-weight: 800;
  font-size: 15px;
  border-radius: 999px;
  padding: 2px 12px;
  margin-bottom: 4px;
}
.pick-months { font-weight: 700; font-size: 15px; }
.pick-title { color: var(--muted); font-size: 14px; }
.pick-done { display: none; color: var(--ok); font-size: 13px; font-weight: 700; margin-top: 4px; }
.pick.is-done .pick-done { display: block; }
.picker-hint { margin: 10px 0 0; font-size: 14px; color: var(--muted); }

/* Fall-Karten */
.case {
  border: 2px solid var(--case-color);
  border-top-width: 8px;
  background: color-mix(in srgb, var(--case-color) 4%, var(--surface));
}
.case[data-case='A'] { --case-color: var(--case-a); }
.case[data-case='B'] { --case-color: var(--case-b); }
.case-head { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.case-tag {
  background: var(--case-color);
  color: #fff;
  font-weight: 700;
  font-size: 13px;
  border-radius: 999px;
  padding: 2px 10px;
}
.case h2 { font-size: 20px; margin: 0; }
.case-hint { font-size: 13px; color: var(--muted); margin-left: auto; }
.case-text { color: var(--muted); margin: 8px 0 16px; font-size: 15px; }
.case.is-done .case-tag::after { content: ' ✓'; }

fieldset { border: 0; padding: 0; margin: 0 0 16px; min-width: 0; }
legend { font-weight: 600; margin-bottom: 8px; padding: 0; }

.chain-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(118px, 1fr));
  gap: 8px;
}
.tile input, .chip input { position: absolute; opacity: 0; pointer-events: none; }
.tile span {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 48px;
  padding: 10px 12px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  background: var(--bg);
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  user-select: none;
}
.tile span::before {
  content: '';
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--dot);
  flex: none;
}
.tile input:checked + span {
  border-color: var(--case-color);
  background: color-mix(in srgb, var(--case-color) 12%, var(--surface));
  box-shadow: inset 0 0 0 1px var(--case-color);
}
.tile input:focus-visible + span, .chip input:focus-visible + span {
  outline: 3px solid color-mix(in srgb, var(--case-color) 40%, transparent);
  outline-offset: 2px;
}

.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip span {
  display: inline-block;
  padding: 7px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 14px;
  cursor: pointer;
  background: var(--bg);
  user-select: none;
}
.chip input:checked + span {
  background: var(--case-color);
  border-color: var(--case-color);
  color: #fff;
}

.field { margin-bottom: 14px; }
.field label { font-weight: 600; }
.field .chain-ref { color: var(--case-color); }
.counter { font-size: 12px; color: var(--muted); text-align: right; margin-top: 2px; }

.preview {
  background: var(--hwz-blue-soft);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 15px;
  margin-top: 4px;
}
.preview-title { font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); margin-bottom: 4px; font-weight: 700; }
.preview p { margin: 0; }
.preview .gap { color: var(--muted); font-style: italic; }

.clear-case {
  background: none;
  border: 0;
  color: var(--muted);
  font: inherit;
  font-size: 14px;
  text-decoration: underline;
  cursor: pointer;
  padding: 4px 0;
}

/* Absenden */
.submit-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  backdrop-filter: blur(8px);
  border-top: 1px solid var(--border);
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
}
.submit-inner { max-width: 820px; margin: 0 auto; display: flex; gap: 12px; align-items: center; }
.status { flex: 1; font-size: 14px; color: var(--muted); }
.status.error { color: var(--danger); font-weight: 600; }

.btn {
  font: inherit;
  font-weight: 700;
  border: 0;
  border-radius: 10px;
  padding: 13px 22px;
  cursor: pointer;
  background: var(--hwz-blue);
  color: #fff;
  min-height: 48px;
}
.btn:disabled { opacity: 0.55; cursor: progress; }
.btn.secondary { background: transparent; color: var(--hwz-blue); border: 1.5px solid var(--hwz-blue); }

/* Bestätigung */
.thanks { text-align: center; padding: 32px 20px; }
.thanks .check {
  width: 64px; height: 64px; border-radius: 50%;
  background: var(--ok); color: #fff;
  display: grid; place-items: center;
  font-size: 34px; margin: 0 auto 12px;
}
.thanks h2 { margin: 0 0 6px; font-size: 24px; }
.thanks p { color: var(--muted); margin: 0 0 18px; }
.summary { text-align: left; margin: 20px 0; display: grid; gap: 12px; }
.summary .preview { border-left: 4px solid var(--case-color); }
.summary .preview[data-case='A'] { --case-color: var(--case-a); }
.summary .preview[data-case='B'] { --case-color: var(--case-b); }

[hidden] { display: none !important; }

@media (max-width: 520px) {
  .case-hint { margin-left: 0; width: 100%; }
  .btn { padding: 13px 16px; }
}

/* Pflichtfelder */
.req { color: var(--danger); font-weight: 700; margin-left: 2px; }
textarea.missing { border-color: var(--danger); box-shadow: 0 0 0 3px color-mix(in srgb, var(--danger) 20%, transparent); }
.chain-grid.missing { outline: 2px solid var(--danger); outline-offset: 4px; border-radius: 10px; }

/* Eigene Chain */
.tile-other span { border-style: dashed; }
.other-wrap { margin-top: 10px; }
.other-label { font-weight: 600; font-size: 15px; }
input.missing { border-color: var(--danger); box-shadow: 0 0 0 3px color-mix(in srgb, var(--danger) 20%, transparent); }