:root {
  --paper: #faf7f1;
  --ink: #1c1f26;
  --ink-soft: #5d6370;
  --line: #e5dfd2;
  --grid-line: rgba(28, 31, 38, 0.05);
  --accent: #2742d6;
  --marker: #ffd84d;
  --green: #2e9e5b;
  --red: #c8401f;
  --cell-bg: #ffffff;
  --shadow: 4px 4px 0 var(--ink);
  --font-display: 'Familjen Grotesk', sans-serif;
  --font-body: 'IBM Plex Sans', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink);
  background-color: var(--paper);
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 28px 28px;
  min-height: 100vh;
}

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

/* Kopfzeile */

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 24px;
  border-bottom: 2px solid var(--ink);
  background: var(--paper);
}

.wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 26px;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-decoration: none;
}

.wordmark .dot {
  color: var(--accent);
}

.top .claim {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-soft);
}

/* Layoutcontainer */

.wrap {
  max-width: 880px;
  margin: 0 auto;
  padding: 32px 20px 80px;
}

.wrap-wide {
  max-width: none;
  padding: 24px 24px 60px;
}

/* Typografie */

h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(38px, 7vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 48px 0 20px;
}

h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 26px;
  letter-spacing: -0.02em;
  margin: 48px 0 16px;
}

.hl {
  background: linear-gradient(transparent 58%, var(--marker) 58%);
}

.sub {
  font-size: 19px;
  color: var(--ink-soft);
  max-width: 560px;
  margin: 0 0 36px;
}

/* Karten */

.card {
  background: var(--cell-bg);
  border: 2px solid var(--ink);
  box-shadow: var(--shadow);
  padding: 24px;
}

/* Buttons und Eingaben */

button,
.btn {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
  padding: 12px 22px;
  background: var(--ink);
  color: var(--paper);
  border: 2px solid var(--ink);
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: transform 0.1s ease, box-shadow 0.1s ease;
}

button:hover,
.btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 var(--accent);
}

button:active,
.btn:active {
  transform: translate(0, 0);
  box-shadow: none;
}

button.secondary,
.btn.secondary {
  background: var(--cell-bg);
  color: var(--ink);
}

button.danger {
  background: var(--cell-bg);
  color: var(--red);
  border-color: var(--red);
}

button.danger:hover {
  box-shadow: 4px 4px 0 var(--red);
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

input[type='text'],
input[type='number'],
textarea {
  font-family: var(--font-body);
  font-size: 16px;
  padding: 11px 14px;
  border: 2px solid var(--ink);
  background: var(--cell-bg);
  color: var(--ink);
  width: 100%;
}

input:focus-visible,
textarea:focus-visible,
button:focus-visible,
[contenteditable]:focus-visible {
  outline: 3px solid var(--marker);
  outline-offset: 1px;
}

label {
  display: block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  margin-bottom: 6px;
}

.field {
  margin-bottom: 20px;
}

.hint {
  font-size: 13px;
  color: var(--ink-soft);
  margin-top: 4px;
}

/* Landing: Anlegen-Formular */

.create-card .row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.create-card input {
  flex: 1;
  min-width: 220px;
}

/* Landing: Ergebnis mit den zwei Links */

.warn {
  background: var(--marker);
  border: 2px solid var(--ink);
  padding: 12px 16px;
  font-weight: 600;
  margin-bottom: 20px;
}

.linkrow {
  margin-bottom: 18px;
}

.linkrow .copyline {
  display: flex;
  gap: 8px;
}

.linkrow input {
  font-family: var(--font-mono);
  font-size: 13px;
  flex: 1;
  color: var(--accent);
}

.linkrow button {
  flex-shrink: 0;
  padding: 10px 16px;
}

/* Landing: Einsatzzwecke und Schritte */

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 20px 0 8px;
}

.chip {
  font-family: var(--font-mono);
  font-size: 14px;
  padding: 6px 14px;
  border: 2px solid var(--ink);
  background: var(--cell-bg);
}

.chip:nth-child(odd) {
  transform: rotate(-1deg);
}

.chip:nth-child(even) {
  transform: rotate(1.2deg);
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-top: 24px;
}

.step {
  background: var(--cell-bg);
  border: 2px solid var(--ink);
  padding: 20px;
}

.step .num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  display: block;
  margin-bottom: 8px;
}

.step h3 {
  font-family: var(--font-display);
  font-size: 19px;
  margin: 0 0 8px;
}

.step p {
  margin: 0;
  font-size: 15px;
  color: var(--ink-soft);
}

details {
  border: 2px solid var(--ink);
  background: var(--cell-bg);
  margin-bottom: 12px;
}

summary {
  font-family: var(--font-display);
  font-weight: 600;
  padding: 14px 18px;
  cursor: pointer;
}

details .answer {
  padding: 0 18px 16px;
  color: var(--ink-soft);
}

/* Einblendung beim Laden */

.reveal {
  opacity: 0;
  transform: translateY(14px);
  animation: reveal 0.5s ease forwards;
}

.reveal:nth-child(2) { animation-delay: 0.08s; }
.reveal:nth-child(3) { animation-delay: 0.16s; }
.reveal:nth-child(4) { animation-delay: 0.24s; }

@keyframes reveal {
  to {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    animation: none;
    opacity: 1;
    transform: none;
  }
}

/* Tabellenseite */

.table-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  margin: 8px 0 4px;
}

.table-head h1 {
  font-size: clamp(26px, 4vw, 38px);
  margin: 0;
}

.status {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-soft);
  white-space: nowrap;
}

.status::before {
  content: '';
  display: inline-block;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--green);
  margin-right: 7px;
}

.status.busy::before {
  background: var(--marker);
}

.status.error {
  color: var(--red);
}

.status.error::before {
  background: var(--red);
}

.intro {
  color: var(--ink-soft);
  white-space: pre-line;
  margin: 0 0 20px;
  max-width: 700px;
}

.sheet-scroll {
  overflow-x: auto;
  border: 2px solid var(--ink);
  background: var(--cell-bg);
  box-shadow: var(--shadow);
}

table.sheet {
  border-collapse: collapse;
  width: 100%;
}

.sheet th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  text-align: left;
  padding: 10px 12px;
  border-right: 1px solid rgba(250, 247, 241, 0.25);
  white-space: nowrap;
}

.sheet th.rownum-head {
  width: 44px;
  min-width: 44px;
}

.sheet td {
  border: 1px solid var(--line);
  padding: 0;
  min-width: 120px;
}

.sheet td.rownum {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-soft);
  text-align: center;
  background: var(--paper);
  min-width: 44px;
  width: 44px;
  user-select: none;
}

.sheet td.cell {
  background: var(--cell-bg);
}

.sheet tr:nth-child(even) td.cell {
  background: #f6f3ea;
}

.sheet td.cell > .edit {
  display: block;
  min-height: 40px;
  padding: 9px 12px;
  font-size: 15px;
  line-height: 1.4;
  word-break: break-word;
  cursor: text;
}

.sheet td.cell > .edit:focus {
  outline: 3px solid var(--marker);
  outline-offset: -3px;
  background: #fffdf2;
}

.sheet td.cell.flash > .edit {
  animation: cellflash 1.2s ease;
}

@keyframes cellflash {
  0% {
    background: var(--marker);
  }
  100% {
    background: transparent;
  }
}

.table-foot {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
  font-size: 14px;
  color: var(--ink-soft);
}

/* Adminseite */

.admin-grid {
  display: grid;
  grid-template-columns: 90px 1fr 110px;
  gap: 8px 10px;
  align-items: center;
}

.admin-grid .colhead {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-soft);
}

.danger-zone {
  border-color: var(--red);
  margin-top: 32px;
}

.danger-zone h2 {
  color: var(--red);
  margin-top: 0;
}

.danger-zone .actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.size-row {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.size-row .field {
  flex: 1;
  min-width: 140px;
}

.msg {
  padding: 12px 16px;
  border: 2px solid var(--green);
  color: var(--green);
  font-weight: 600;
  margin: 16px 0;
}

.msg.error {
  border-color: var(--red);
  color: var(--red);
}

.footer-links {
  display: inline-flex;
  gap: 16px;
}

.footer a,
.footer-links a {
  color: var(--ink-soft);
  text-underline-offset: 2px;
}

.footer a:hover,
.footer-links a:hover {
  color: var(--ink);
}

/* Rechtsseiten */

.legal h2 {
  font-size: 21px;
  margin: 36px 0 10px;
}

.legal p {
  max-width: 680px;
  margin: 0 0 14px;
}

/* Fussbereich */

.footer {
  margin-top: 64px;
  padding-top: 20px;
  border-top: 2px solid var(--ink);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-soft);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

@media (max-width: 600px) {
  .wrap {
    padding: 24px 14px 60px;
  }

  .top {
    padding: 14px 16px;
  }

  .top .claim {
    display: none;
  }

  h1 {
    margin-top: 24px;
  }
}