/*
 * Eine Datei, keine Abhaengigkeiten, keine Webfonts.
 *
 * Webfonts waeren ein externer Aufruf und damit ein Loch in der
 * Content-Security-Policy - fuer ein Werkzeug, das Chatausschnitte eines Kindes
 * anzeigt, kein sinnvoller Tausch. Systemschriften sehen ueberall ordentlich
 * aus und laden sofort.
 */

:root {
  color-scheme: light dark;
  --bg: #faf8fb;
  --surface: #ffffff;
  --border: #d9d3dd;
  --text: #1c1b1e;
  --muted: #5f5a63;
  --accent: #5b4b8a;
  --accent-text: #ffffff;
  --danger: #8a2f2f;
  --danger-bg: #fbe6e6;
  --warn-bg: #fdf0e3;
  --radius: 12px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #131215;
    --surface: #1e1c21;
    --border: #35313a;
    --text: #eae5ee;
    --muted: #a49daa;
    --accent: #b9a7e8;
    --accent-text: #241d3a;
    --danger: #f2b8b8;
    --danger-bg: #452525;
    --warn-bg: #423424;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

h1 { font-size: 1.4rem; margin: 0; }
h2 { font-size: 1.2rem; margin: 0; }
h3 { font-size: 1.05rem; margin: 0 0 .75rem; }

.muted { color: var(--muted); }
.small { font-size: .85rem; }
.error { color: var(--danger); }

/* --- Anmeldung ---------------------------------------------------------- */
.centered {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 1.5rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  width: min(26rem, 100%);
  display: grid;
  gap: .75rem;
}

/* --- Kopfzeile ---------------------------------------------------------- */
header {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  position: sticky;
  top: 0;
  z-index: 5;
}

header nav { display: flex; gap: .4rem; margin-inline-start: auto; }
header #logout { margin-inline-start: .5rem; }

main { padding: 1.25rem; max-width: 60rem; margin: 0 auto; }

.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

/* --- Bedienelemente ----------------------------------------------------- */
button, input, select {
  font: inherit;
  border-radius: 999px;
  border: 1px solid var(--border);
  padding: .5rem 1rem;
  background: var(--surface);
  color: var(--text);
}

input, select { border-radius: 8px; width: 100%; }

button { cursor: pointer; }
button:hover { border-color: var(--accent); }

button.tab.active,
#login-button,
#add-device,
#dialog-confirm {
  background: var(--accent);
  color: var(--accent-text);
  border-color: var(--accent);
}

button.link {
  background: none;
  border: none;
  color: var(--accent);
  padding: .5rem;
}

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

button[disabled] { opacity: .45; cursor: not-allowed; }

label { font-size: .85rem; color: var(--muted); }
.checkbox { display: inline-flex; align-items: center; gap: .4rem; color: var(--text); }
.checkbox input { width: auto; }

.filters {
  display: flex;
  gap: .75rem;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 1rem;
}
.filters select { width: auto; min-width: 10rem; }

/* --- Karten ------------------------------------------------------------- */
.item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  margin-bottom: .85rem;
}

.item.overdue { background: var(--warn-bg); }

.item h3 { margin-bottom: .35rem; }

.chips { display: flex; gap: .4rem; flex-wrap: wrap; margin: .4rem 0; }
.chip {
  font-size: .8rem;
  padding: .15rem .6rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
}

.actions { display: flex; gap: .5rem; flex-wrap: wrap; margin-top: .75rem; }

.snippet {
  background: var(--bg);
  border-radius: 8px;
  padding: .6rem .75rem;
  margin: .5rem 0;
  /* Kontextausschnitte koennen alles enthalten - Umbruch erzwingen, sonst
     sprengt eine lange URL das Layout. */
  overflow-wrap: anywhere;
}

.qr {
  background: #fff;
  padding: .75rem;
  border-radius: 8px;
  display: inline-block;
  max-width: 100%;
}
.qr svg { display: block; width: min(18rem, 100%); height: auto; }

dialog {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  padding: 1.25rem;
  max-width: min(32rem, calc(100vw - 2rem));
}
dialog::backdrop { background: rgba(0, 0, 0, .45); }
.dialog-actions { display: flex; justify-content: flex-end; gap: .5rem; margin-top: 1rem; }

#toast {
  position: fixed;
  inset-inline: 1rem;
  bottom: 1rem;
  margin-inline: auto;
  max-width: 32rem;
  background: var(--text);
  color: var(--bg);
  padding: .75rem 1rem;
  border-radius: 8px;
  text-align: center;
  z-index: 10;
}

[hidden] { display: none !important; }

/* --- Bildschirmzeit ------------------------------------------------------ */
.st-zeile {
  display: grid;
  /* Feste Spalten links und rechts: sonst tanzen die Balken je nach Laenge
     des App-Namens, und die Laengen lassen sich nicht mehr vergleichen. */
  grid-template-columns: 7.5rem 1fr 6rem;
  align-items: center;
  gap: .6rem;
  padding: .25rem 0;
}
.st-tag, .st-app {
  font-size: .85rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.st-wert {
  font-size: .85rem;
  text-align: right;
  color: var(--muted);
}
.bar {
  background: var(--border, #e5e5e5);
  border-radius: 999px;
  height: .55rem;
  overflow: hidden;
}
.bar > span {
  display: block;
  height: 100%;
  background: var(--accent, #6b4fbb);
  border-radius: 999px;
}

/* Adresse zum Abtippen, wenn kein QR-Scanner da ist. */
.code-klein {
  font-family: ui-monospace, monospace;
  font-size: .9rem;
  word-break: break-all;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: .4rem;
  padding: .4rem .6rem;
  color: var(--text);
}