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

:root {
  --ink: #1b1b1b;
  --muted: #474747;
  --accent: #8a1c1c;
  --accent-dark: #6d1414;
  --ok: #1b5e30;
  --bg: #f7f4ee;
  --card: #ffffff;
  --line: #6b6b6b;
  --focus: #1d4ed8;
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.5;
}

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

/* ---------- Seitenaufbau (mobil zuerst) ---------- */
.layout {
  width: 100%;
  max-width: 60rem;
  margin: 0 auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

h1 {
  font-size: 1.5rem;
  line-height: 1.2;
  margin: 0.25rem 0 0.5rem;
  color: var(--accent-dark);
}

h2 {
  font-size: 1.2rem;
  line-height: 1.3;
  margin: 0 0 0.5rem;
}

p {
  margin: 0 0 0.75rem;
}

a {
  color: var(--accent-dark);
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

.intro .lead {
  color: var(--muted);
  margin-bottom: 0.5rem;
}

.calendar-name {
  font-weight: 700;
  margin-bottom: 0.25rem;
  overflow-wrap: anywhere;
}

.status {
  display: inline-block;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  padding: 0.35rem 0.75rem;
  font-weight: 600;
  margin: 0;
}

/* ---------- Einstellungen ---------- */
.settings {
  background: var(--card);
  border: 1px solid #d8d3c8;
  border-radius: 0.75rem;
  padding: 1rem;
}

.fields {
  display: grid;
  gap: 0.75rem;
}

.field label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

select,
input[type="text"] {
  width: 100%;
  min-height: 44px;
  font: inherit;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  padding: 0.4rem 0.6rem;
}

.field-check {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 44px;
  margin: 0.75rem 0 0.5rem;
}

.field-check input {
  width: 1.5rem;
  height: 1.5rem;
  margin: 0;
  accent-color: var(--accent);
  flex: none;
}

.field-check label {
  padding: 0.6rem 0;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.btn {
  min-height: 44px;
  font: inherit;
  font-weight: 600;
  color: #fff;
  background: var(--accent);
  border: 2px solid var(--accent);
  border-radius: 0.5rem;
  padding: 0.5rem 1rem;
  cursor: pointer;
}

.btn:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
}

.btn-secondary {
  color: var(--accent-dark);
  background: #fff;
}

.btn-secondary:hover {
  color: #fff;
}

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

.share-msg:empty,
.door-msg:empty,
.reset-msg:empty {
  display: none;
}

.share-msg,
.reset-msg {
  font-weight: 600;
}

.share-fallback label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

/* ---------- Raster ---------- */
.door-msg {
  background: #fff7d6;
  border: 1px solid #8a6d00;
  border-radius: 0.5rem;
  padding: 0.5rem 0.75rem;
  font-weight: 600;
}

.grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.5rem;
}

.door {
  min-height: 72px;
  min-width: 44px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.15rem;
  font: inherit;
  border-radius: 0.6rem;
  padding: 0.4rem 0.2rem;
  cursor: pointer;
  transition: transform 0.15s ease;
}

.door:active {
  transform: scale(0.97);
}

.door-nr {
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1;
}

.door-mark {
  font-size: 0.75rem;
  line-height: 1.2;
  text-align: center;
}

.door.is-locked {
  background: #ebe7de;
  color: #3a3a3a;
  border: 2px dashed var(--line);
}

.door.is-openable {
  background: var(--accent);
  color: #fff;
  border: 2px solid var(--accent-dark);
}

.door.is-opened {
  background: #fff;
  color: var(--ok);
  border: 2px solid var(--ok);
}

/* ---------- Dialog ---------- */
.door-dialog {
  width: calc(100% - 2rem);
  max-width: 34rem;
  max-height: calc(100% - 2rem);
  overflow: auto;
  border: 0;
  border-radius: 0.75rem;
  padding: 1.25rem;
  color: var(--ink);
  background: var(--card);
}

.door-dialog::backdrop {
  background: rgba(0, 0, 0, 0.55);
}

.dialog-nr {
  color: var(--accent-dark);
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.dialog-hint {
  background: var(--bg);
  border-left: 4px solid var(--accent);
  padding: 0.4rem 0.6rem;
  font-size: 0.95rem;
}

/* ---------- Text, Footer ---------- */
.howto .btn {
  margin-top: 0.25rem;
}

.footer {
  text-align: center;
  padding: 1.5rem 1rem 2rem;
}

.footer a {
  display: inline-block;
  padding: 0.6rem;
}

.prose {
  max-width: 42rem;
  margin: 0 auto;
  padding: 1rem;
}

.print-area {
  display: none;
}

/* ---------- Breitere Bildschirme ---------- */
@media (min-width: 40rem) {
  h1 {
    font-size: 2rem;
  }

  .fields {
    grid-template-columns: 1fr 1fr;
  }

  .grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .door {
    min-height: 88px;
  }
}

/* ---------- Kärtchen (Druck): 6 pro A4-Seite ---------- */
.print-page {
  display: grid;
  grid-template-columns: 95mm 95mm;
  grid-template-rows: repeat(3, 92mm);
  width: 190mm;
  break-after: page;
  page-break-after: always;
}

.print-page:last-child {
  break-after: auto;
  page-break-after: auto;
}

.card {
  width: 95mm;
  height: 92mm;
  overflow: hidden;
  padding: 4mm 5mm;
  border: 0.3mm dashed #000;
  break-inside: avoid;
  page-break-inside: avoid;
  background: #fff;
  color: #000;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  font-size: 8.5pt;
  line-height: 1.3;
}

.card p {
  margin: 0 0 1.5mm;
}

.card-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 2mm;
}

.card-nr {
  font-size: 16pt;
  font-weight: 800;
  color: #6d1414;
}

.card-name {
  font-size: 8pt;
  text-align: right;
  overflow-wrap: anywhere;
}

.card-title {
  font-size: 11pt;
  margin: 0 0 1.5mm;
}

.card-hint {
  font-size: 8pt;
}

@page {
  size: A4 portrait;
  margin: 10mm;
}

@media print {
  body {
    background: #fff;
  }

  .layout,
  .footer,
  .door-dialog {
    display: none !important;
  }

  .print-area {
    display: block !important;
  }

  .card-nr {
    print-color-adjust: exact;
    -webkit-print-color-adjust: exact;
  }
}