/* Familien-Planer — mobil first, Hell/Dunkel */
:root {
  --bg: #f0f9ff;
  --surface: #ffffff;
  --text: #0c4a6e;
  --muted: #64748b;
  --border: #bae6fd;
  --accent: #0284c7;
  --accent-hover: #0369a1;
  --danger: #b91c1c;
  --radius: 12px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --shadow: 0 4px 24px rgba(12, 74, 110, 0.08);
}

[data-theme="dark"] {
  --bg: #0f172a;
  --surface: #1e293b;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --border: #334155;
  --accent: #38bdf8;
  --accent-hover: #7dd3fc;
  --danger: #f87171;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
}

@media (prefers-color-scheme: dark) {
  [data-theme="system"] {
    --bg: #0f172a;
    --surface: #1e293b;
    --text: #e2e8f0;
    --muted: #94a3b8;
    --border: #334155;
    --accent: #38bdf8;
    --accent-hover: #7dd3fc;
    --danger: #f87171;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
  }
}

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

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

body {
  margin: 0;
  min-height: 100dvh;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: #fff;
  padding: 0.5rem 1rem;
  z-index: 100;
}
.skip-link:focus { left: 0; }

.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 0.5rem env(safe-area-inset-right) 0.5rem env(safe-area-inset-left);
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
  padding: 0 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
}

.main-nav {
  display: none;
  flex-direction: column;
  width: 100%;
  gap: 0.25rem;
  padding: 0.5rem 0 1rem;
}

.main-nav.is-open { display: flex; }

.main-nav a {
  color: var(--text);
  text-decoration: none;
  padding: 0.6rem 0.75rem;
  border-radius: 8px;
}

.main-nav a:hover { background: var(--border); }

.nav-toggle {
  display: block;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  font-size: 1rem;
}

@media (min-width: 768px) {
  .nav-toggle { display: none; }
  .main-nav {
    display: flex !important;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    width: auto;
    padding: 0;
    gap: 0.15rem;
  }
}

.main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1rem 1rem 2rem;
  padding-left: max(1rem, env(safe-area-inset-left));
  padding-right: max(1rem, env(safe-area-inset-right));
}

.site-footer {
  text-align: center;
  padding: 1.5rem 1rem;
  color: var(--muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--border);
}

.card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 1rem 1.15rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.card.narrow { max-width: 420px; margin-left: auto; margin-right: auto; }

h1 { font-size: 1.5rem; margin: 0 0 0.5rem; }
h2 { font-size: 1.15rem; margin: 0 0 0.75rem; }

.lead { color: var(--muted); margin-top: 0; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 1rem;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  text-decoration: none;
  min-height: 44px;
  touch-action: manipulation;
}

.btn.primary {
  background: var(--accent);
  color: #fff;
}
.btn.primary:hover { background: var(--accent-hover); }

.btn.secondary {
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--accent);
}
.btn.secondary:hover { opacity: 0.9; }

.btn.danger {
  background: var(--danger);
  color: #fff;
}

.link-btn {
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  font-size: 1rem;
  text-decoration: underline;
  padding: 0.25rem;
}

.input, select.input, textarea.input {
  width: 100%;
  padding: 0.65rem 0.75rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 1rem;
  margin-top: 0.25rem;
}

label { display: block; font-weight: 600; margin-bottom: 0.75rem; }

.stack-form label:last-of-type { margin-bottom: 1rem; }

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-weight: normal;
}
.checkbox-label input { margin-top: 0.25rem; width: auto; }

.fieldset {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem 1rem;
  margin: 0 0 1rem;
}
.fieldset legend { padding: 0 0.35rem; font-weight: 700; }

.grid-2 {
  display: grid;
  gap: 0.75rem;
}
@media (min-width: 520px) {
  .grid-2 { grid-template-columns: 1fr 1fr; }
}

.flex-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
}
.flex-between.wrap { flex-wrap: wrap; }

.row-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
  align-items: center;
}

.inline-form { display: inline; margin: 0; }

.event-list { list-style: none; padding: 0; margin: 0; }

.event-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  margin-bottom: 0.75rem;
  background: var(--surface);
}

.event-card-head { display: flex; flex-direction: column; gap: 0.25rem; }
.badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--accent);
}

.event-dates { margin: 0.35rem 0; font-weight: 600; }

.muted { color: var(--muted); font-size: 0.95rem; }
.hint { font-size: 0.9rem; color: var(--muted); }

.error {
  background: rgba(185, 28, 28, 0.12);
  color: var(--danger);
  padding: 0.75rem;
  border-radius: 8px;
}

.notice {
  background: rgba(2, 132, 199, 0.12);
  padding: 0.75rem;
  border-radius: 8px;
}

.calendar-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; margin-bottom: 1rem; }

.calendar {
  width: 100%;
  min-width: 280px;
  border-collapse: collapse;
  font-size: 0.8rem;
  background: var(--surface);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}

.calendar th, .calendar td {
  border: 1px solid var(--border);
  padding: 4px;
  vertical-align: top;
  width: 14.28%;
  height: 4.5rem;
}

.calendar th {
  background: var(--bg);
  font-size: 0.7rem;
  text-transform: uppercase;
}

.calendar td.weekend { background: rgba(148, 163, 184, 0.12); }
.calendar td.empty { background: transparent; border: none; }

.cal-day-num { font-weight: 700; font-size: 0.85rem; }
.cal-holiday {
  font-size: 0.65rem;
  color: var(--danger);
  line-height: 1.2;
  margin-top: 2px;
}
.cal-event {
  font-size: 0.65rem;
  background: rgba(2, 132, 199, 0.2);
  border-radius: 4px;
  padding: 2px 4px;
  margin-top: 2px;
  line-height: 1.2;
  overflow: hidden;
}

.cal-nav h1 { font-size: 1.2rem; text-align: center; flex: 1; min-width: 140px; }

.simple-list { padding-left: 1.2rem; }
.simple-list li { margin-bottom: 0.35rem; }

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.data-table th, .data-table td {
  border: 1px solid var(--border);
  padding: 0.5rem 0.6rem;
  text-align: left;
}
.data-table th { background: var(--bg); }
.data-table .num { text-align: right; }

.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }

.highlight-box .big-number {
  font-size: 2.5rem;
  font-weight: 800;
  margin: 0.25rem 0;
  color: var(--accent);
}
.explain { max-width: 65ch; }

.columns-2 {
  columns: 1;
  padding-left: 1.2rem;
}
@media (min-width: 600px) {
  .columns-2 { columns: 2; }
}

.qr-wrap { text-align: center; }
.qr-wrap svg {
  display: block;
  margin-left: auto;
  margin-right: auto;
  max-width: 220px;
  width: 100%;
  height: auto;
}

@media print {
  .site-header, .site-footer, .no-print, .nav-toggle { display: none !important; }
  .main { max-width: none; padding: 0; }
  .card { box-shadow: none; break-inside: avoid; }
  .print-break { break-before: page; }
  body { background: #fff; color: #000; }
}

code { font-size: 0.9em; background: var(--bg); padding: 0.1em 0.35em; border-radius: 4px; }

code.totp-secret { display: inline-block; margin-top: 0.25rem; word-break: break-all; font-size: 0.85rem; }
input.totp-uri { font-size: 0.75rem; margin-top: 0.35rem; }