:root {
  color-scheme: light dark;
  --ground: #F4F3F0;
  --surface: #FFFFFF;
  --ink: #16171A;
  --text: #1E1F22;
  --muted: #5E5B55;
  --line: #DAD6CD;
  --signal: #C6A558;
  --signal-ink: #16171A;
  --danger: #A4262C;
  --band: #16171A;
  --band-text: #F2F0EA;
  --band-muted: #B5AFA3;
  --focus: var(--ink);
  --display: "Archivo", "Arial Narrow", Arial, sans-serif;
  --body: "Public Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "Courier New", monospace;
  --radius: 6px;
  --width: 760px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ground: #121212;
    --surface: #1C1C1C;
    --ink: #EFECE5;
    --text: #DCD8D0;
    --muted: #A29C90;
    --line: #34322E;
    --signal-ink: #121212;
    --danger: #F2B8B5;
    --band: #0B0B0C;
    --band-text: #EFECE5;
    --band-muted: #A29C90;
    --focus: var(--signal);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--ground);
  color: var(--text);
  font: 16px/1.5 var(--body);
}

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

a { color: var(--ink); text-decoration-color: var(--signal); text-underline-offset: 3px; }

/* Titel "Aufgaben" mit goldener Unterstreichung wie auf der Website (Anmeldeseite) */
.title-mark {
  margin: 0;
  font: 800 34px/1.05 var(--display);
  font-stretch: 78%;
  letter-spacing: -0.01em;
}
.title-mark span { box-shadow: inset 0 -.2em 0 var(--signal); }

/* Kopfband */
.band { background: var(--band); color: var(--band-text); }
/* Dunkler Fokusrahmen wäre auf dem Band unsichtbar */
.band :focus-visible { outline-color: var(--signal); }
.band-inner {
  max-width: var(--width);
  margin: 0 auto;
  padding: 26px 16px 28px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.band-home { display: block; flex: none; border-radius: 2px; }
.band-logo { display: block; height: 44px; width: auto; }
.band-title { flex: 1; min-width: 0; }
.greeting {
  margin: 0;
  font: 800 32px/1.08 var(--display);
  font-stretch: 78%;
  letter-spacing: -0.01em;
  color: var(--band-text);
}
.greeting span { box-shadow: inset 0 -.2em 0 var(--signal); }
.band-date { margin: 8px 0 0; font: 400 13px var(--mono); color: var(--band-muted); }
.logout { flex: none; }
.logout button {
  min-height: 36px;
  padding: 6px 12px;
  border: 1px solid var(--band-muted);
  border-radius: var(--radius);
  background: transparent;
  color: var(--band-text);
  font: 500 12px var(--mono);
  letter-spacing: .06em;
  cursor: pointer;
}
.logout button:hover, .logout button:focus-visible { border-color: var(--signal); color: var(--signal); background: transparent; }

main { max-width: var(--width); margin: 0 auto; padding: 28px 16px 64px; }

/* Kacheln: Bezeichnung oben, Zahl darunter */
.tiles { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
@media (min-width: 720px) { .tiles { grid-template-columns: repeat(4, 1fr); } }
.tile {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 14px 16px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  text-decoration: none;
}
a.tile { transition: border-color .12s, transform .12s; }
@media (hover: hover) {
  a.tile:hover { border-color: var(--signal); transform: translateY(-1px); }
  a.tile.alert:hover { border-color: var(--signal-ink); }
}
@media (prefers-reduced-motion: reduce) {
  a.tile { transition: none; }
  a.tile:hover { transform: none; }
}
.tile-count { font: 800 40px/1 var(--display); font-stretch: 78%; }
.tile-label { font: 500 11px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.tile.zero .tile-count { color: var(--muted); }
.tile.alert { background: var(--signal); border-color: var(--signal); color: var(--signal-ink); }
.tile.alert .tile-label { color: var(--signal-ink); }
/* G2: Gold-auf-Gold-Fokusrahmen wäre unsichtbar; erzwingt dunklen Rahmen in beiden Modi */
.tile.alert:focus-visible { outline-color: var(--ink); }

/* G3: nur für Screenreader, visuell verborgen (Standard-Muster) */
.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;
}

/* Formularelemente */
textarea, input[type="text"], input[type="password"], input[type="date"], input[type="time"], select {
  width: 100%;
  min-height: 44px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ground);
  color: var(--text);
  font: inherit;
}
textarea { resize: vertical; }
textarea:focus, input:focus, select:focus { outline: 2px solid var(--focus); outline-offset: 2px; }
button {
  justify-self: start;
  min-height: 44px;
  padding: 10px 20px;
  border: 0;
  border-radius: var(--radius);
  background: var(--ink);
  color: var(--ground);
  font: 600 15px var(--body);
  cursor: pointer;
}
button:hover, button:focus-visible { background: var(--signal); color: var(--signal-ink); }

/* Karten */
.card {
  margin-top: 24px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

/* Eingabe „Was steht an?“ */
.compose .compose-title { margin: 0 0 12px; }
.quick { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 10px; align-items: start; }
.quick textarea {
  field-sizing: content;
  min-height: 46px;
  max-height: calc(3lh + 22px);
  font-size: 17px;
}
.quick button { min-height: 46px; }
@media (max-width: 420px) {
  .quick { grid-template-columns: 1fr; }
}

.new-task { margin-top: 14px; }
.new-task > summary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 36px;
  padding: 4px 2px;
  font: 500 12px var(--mono);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
  cursor: pointer;
  list-style: none;
}
.new-task > summary::-webkit-details-marker { display: none; }
.new-task > summary::before { content: "+"; font: 500 16px/1 var(--mono); color: var(--signal); }
.new-task[open] > summary::before { content: "–"; }
.new-task > summary:hover { color: var(--ink); }

.task-form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 14px 12px;
  margin-top: 10px;
}
.new-task .task-form { padding-top: 16px; border-top: 1px solid var(--line); }
.field { display: grid; gap: 6px; min-width: 0; }
.field label { font-size: 14px; font-weight: 600; color: var(--ink); }
.wide { grid-column: 1 / -1; }
.form-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 18px; }
.btn-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 4px;
  color: var(--muted);
}
.btn-link:hover { color: var(--ink); }

/* Rückmeldung */
.result {
  margin-top: 16px;
  padding: 10px 10px 10px 14px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 16px;
  border-left: 3px solid var(--signal);
  background: var(--ground);
}
.result-text { min-width: 0; overflow-wrap: anywhere; }
.result p { margin: 2px 0; }
.result .error { color: var(--danger); }
.btn-quiet {
  min-height: 34px;
  padding: 4px 12px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  font: 500 13px var(--mono);
}
.btn-quiet:hover, .btn-quiet:focus-visible { border-color: var(--signal); background: var(--signal); color: var(--signal-ink); }
.btn-quiet.accent { border-color: var(--signal); }

/* Abschnitte */
h2 {
  margin: 40px 0 10px;
  display: flex;
  align-items: baseline;
  gap: 10px;
  font: 500 12px var(--mono);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}
.count { font-weight: 400; letter-spacing: 0; opacity: .8; }
.group { scroll-margin-top: 16px; }
.muted { color: var(--muted); }

.unassigned {
  margin-top: 28px;
  padding: 2px 18px 6px;
  border-left: 3px solid var(--signal);
  background: var(--surface);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.unassigned h2 { margin-top: 16px; }

.plain { list-style: none; margin: 0; padding: 0; }
.plain li { padding: 10px 0; border-top: 1px solid var(--line); }
.plain li:first-child { border-top: 0; }

.unassigned-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.unassigned-actions form { display: flex; }
.unassigned-actions .btn-quiet { min-height: 32px; }

/* Aufgabenliste als Karte */
.list {
  list-style: none;
  margin: 0;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}
.task {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: 4px 10px;
  padding: 8px 6px 8px 8px;
  border-top: 1px solid var(--line);
}
.task:first-child { border-top: 0; border-radius: var(--radius) var(--radius) 0 0; }
.task:last-child { border-radius: 0 0 var(--radius) var(--radius); }
.task:only-child { border-radius: var(--radius); }
/* Hohe Priorität: Goldbalken links */
.task.high { box-shadow: inset 3px 0 0 var(--signal); }
/* Offene Zeile ist per Stretched-Link (a.row-link) komplett klickbar */
@media (hover: hover) {
  .task:has(.row-link):hover {
    background: color-mix(in srgb, var(--ink) 4%, transparent);
    cursor: pointer;
  }
  .task:has(.row-link):hover .title { color: var(--ink); }
}
.task:has(.row-link) { transition: background-color .12s; }
@media (prefers-reduced-motion: reduce) {
  .task:has(.row-link) { transition: none; }
}
.task-body { padding: 6px 0; min-width: 0; }
.title { margin: 0; color: var(--ink); overflow-wrap: anywhere; }
/* Stretched-Link: Titel-Link deckt die ganze Zeile ab, Text bleibt normal verlinkt */
a.row-link { color: inherit; text-decoration: inherit; }
a.row-link::after {
  content: "";
  position: absolute;
  inset: 0;
}
a.row-link:focus-visible { outline: none; }
a.row-link:focus-visible::after {
  outline: 2px solid var(--focus);
  outline-offset: -2px;
}
.task.high .title { font-weight: 600; }
.task.low .title, .task.done .title { color: var(--muted); }
.struck { text-decoration: line-through; text-decoration-color: var(--muted); }
.id { margin-right: 2px; font: 500 12px var(--mono); color: var(--muted); }
.meta { margin: 5px 0 0; display: flex; flex-wrap: wrap; gap: 6px; align-items: center; font-size: 14px; }
.chip {
  padding: 1px 7px;
  border: 1px solid var(--line);
  border-radius: 3px;
  font: 500 12px/1.5 var(--mono);
  color: var(--muted);
  white-space: nowrap;
}
.chip.overdue { border-color: var(--signal); background: var(--signal); color: var(--signal-ink); }
.preview { margin: 5px 0 0; font-size: 14px; color: var(--muted); overflow-wrap: anywhere; }

/* Abhaken: runder Kreis */
.task-check { position: relative; z-index: 1; flex: none; }
.check {
  position: relative;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  min-height: 0;
  padding: 0;
  border-radius: 50%;
  background: transparent;
  color: transparent;
}
.check::before {
  content: "";
  position: absolute;
  inset: 8px;
  border: 2px solid var(--muted);
  border-radius: 50%;
  transition: border-color .15s, background-color .15s;
}
.check svg { position: relative; width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.check:hover, .check:focus-visible { background: transparent; color: var(--signal); }
.check:hover::before, .check:focus-visible::before { border-color: var(--signal); }
.check.checked { color: var(--signal-ink); }
.check.checked::before { border-color: var(--signal); background: var(--signal); }
/* Hover auf erledigt: Kreis wird wieder leer, Haken bleibt als Hinweis auf „wieder öffnen“ */
.check.checked:hover { color: var(--signal); }
.check.checked:hover::before { background: transparent; }

/* Stift und Papierkorb */
.task-actions { position: relative; z-index: 1; display: flex; gap: 2px; }
.task-actions form { display: flex; }
.icon-btn {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  min-height: 0;
  padding: 0;
  border-radius: var(--radius);
  background: transparent;
  color: var(--muted);
}
.icon-btn svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.icon-btn:hover, .icon-btn:focus-visible { background: var(--ground); color: var(--ink); }

.empty { color: var(--muted); margin: 8px 0 0; }
.empty-day {
  margin: 48px 0 8px;
  text-align: center;
  font: 700 26px/1.2 var(--display);
  font-stretch: 78%;
  color: var(--muted);
}

/* Erledigt, eingeklappt */
.done-list { margin-top: 44px; }
.done-list > summary {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 36px;
  font: 500 12px var(--mono);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
  cursor: pointer;
}
.done-list > summary:hover { color: var(--ink); }
.done-list .list { margin-top: 8px; }

/* Bearbeiten */
.back { margin: 0; }
.back a {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  font: 500 13px var(--mono);
  color: var(--muted);
  text-decoration: none;
}
.back a:hover { color: var(--ink); }
.edit-card { margin-top: 12px; }
.edit-heading { margin: 0 0 6px; }
.edit-heading .id { font-size: inherit; }
.notes .note { margin: 6px 0 0; overflow-wrap: anywhere; }
.notes .plain {
  padding: 4px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

/* Anmeldeseite */
.login-page { background: var(--band); }
.login {
  min-height: 100vh;
  min-height: 100dvh;
  max-width: none;
  padding: 24px 16px;
  display: grid;
  place-items: center;
}
.login-card {
  width: 100%;
  max-width: 380px;
  padding: 40px 32px 32px;
  border-radius: var(--radius);
  background: var(--surface);
  text-align: center;
}
.login-logo { display: block; height: 72px; width: auto; margin: 0 auto 22px; }
.login-card .title-mark { font-size: 40px; color: var(--ink); }
.byline { margin: 12px 0 28px; font: 400 12px var(--mono); letter-spacing: .04em; color: var(--muted); }
.login-form { display: grid; gap: 8px; text-align: left; }
.login-form label { font-size: 14px; font-weight: 600; color: var(--ink); }
.login-form input + label { margin-top: 8px; }
.login-form button { justify-self: stretch; margin-top: 18px; padding: 12px 20px; }
.btn-signal { background: var(--signal); color: var(--signal-ink); }
.btn-signal:hover, .btn-signal:focus-visible { background: var(--ink); color: var(--surface); }
.login-error {
  margin: 0 0 20px;
  padding: 10px 14px;
  border-left: 3px solid var(--danger);
  background: var(--ground);
  color: var(--danger);
  font-size: 14px;
  text-align: left;
}

@media (max-width: 420px) {
  .band-inner { gap: 12px; padding: 20px 16px 22px; }
  .band-logo { height: 36px; }
  .greeting { font-size: 26px; }
  .title-mark { font-size: 30px; }
  .card { padding: 16px; }
  .login-card { padding: 32px 20px 24px; }
}