:root {
  --bg: #f4f5f2;
  --card: #ffffff;
  --text: #1f2421;
  --muted: #6b726d;
  --border: #dde1dc;
  --accent: #3f7d3a;        /* Gras-Grün */
  --accent-soft: #e3efe1;
  --danger: #b33a32;
  --today: #fff4d6;
  --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161917;
    --card: #20241f;
    --text: #e8ebe7;
    --muted: #9aa29c;
    --border: #343a35;
    --accent: #6cb265;
    --accent-soft: #263a24;
    --danger: #e0675e;
    --today: #3a3420;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.45;
}
a { color: var(--accent); }
h1 { font-size: 1.35rem; margin: 0 0 .75rem; }
h2 { font-size: 1.1rem; margin: 0 0 .75rem; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.center { text-align: center; margin: 0 0 .5rem; }

/* Kopfzeile */
.topbar {
  display: flex; flex-wrap: wrap; gap: .5rem 1rem;
  align-items: center; justify-content: space-between;
  padding: .75rem 1rem;
  background: var(--card); border-bottom: 1px solid var(--border);
}
.brand { font-weight: 700; text-decoration: none; color: var(--text); }
.topbar nav { display: flex; gap: 1rem; align-items: center; }
.topbar nav a { text-decoration: none; }

main { max-width: 1100px; margin: 0 auto; padding: 1rem; }

.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1rem;
}
.narrow { max-width: 420px; margin: 2rem auto; }

/* Hinweise */
.flash {
  max-width: 1100px; margin: 0 auto .75rem;
  padding: .6rem .9rem; border-radius: var(--radius);
  border: 1px solid var(--border); background: var(--card);
}
.flash.ok { border-color: var(--accent); background: var(--accent-soft); }
.flash.fehler { border-color: var(--danger); color: var(--danger); }

/* Formulare */
form label { display: block; margin-bottom: .75rem; font-weight: 500; }
input[type=email], input[type=password], input[type=text],
input[type=date], input[type=time], textarea {
  display: block; width: 100%; margin-top: .25rem;
  padding: .55rem .65rem; font: inherit; color: var(--text);
  background: var(--bg); border: 1px solid var(--border); border-radius: 8px;
}
input:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
label.check { display: flex; gap: .5rem; align-items: center; font-weight: 400; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; }
form.inline { display: inline; margin: 0; }

button, .btn {
  display: inline-block; font: inherit; cursor: pointer;
  padding: .5rem .9rem; border-radius: 8px;
  border: 1px solid var(--border); background: var(--card); color: var(--text);
  text-decoration: none; line-height: 1.2;
}
button.primary, .btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.danger, button.danger { color: var(--danger); border-color: var(--danger); background: transparent; }
.btn.small, button.small { padding: .3rem .6rem; font-size: .85rem; }
button.link { border: 0; background: none; padding: 0; color: var(--accent); }
.actions { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: .5rem; }

/* Kalender */
.layout { display: grid; gap: 1rem; }
@media (min-width: 900px) {
  .layout { grid-template-columns: 2fr 1fr; align-items: start; }
}
.month-head { display: flex; align-items: center; justify-content: space-between; }
.month-head h1 { margin: 0; }
.month-head .btn { font-size: 1.3rem; padding: .2rem .8rem; }

.grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 3px; }
.wd { text-align: center; font-size: .8rem; font-weight: 600; color: var(--muted); padding: .25rem 0; }
.day {
  position: relative; min-height: 52px; padding: .25rem;
  border: 1px solid var(--border); border-radius: 6px;
  text-decoration: none; color: var(--text); overflow: hidden;
}
.day:hover { border-color: var(--accent); }
.day.other { opacity: .45; }
.day.today { background: var(--today); }
.day.selected { outline: 2px solid var(--accent); outline-offset: -1px; }
.day .num { font-size: .85rem; font-weight: 600; }
.day .badge {
  position: absolute; bottom: 4px; right: 4px;
  min-width: 1.3em; padding: 0 .3em; border-radius: 1em;
  background: var(--accent); color: #fff; font-size: .7rem; text-align: center;
}
.day .titles { display: none; }

@media (min-width: 640px) {
  .day { min-height: 84px; }
  .day .badge { display: none; }
  .day .titles {
    display: block; list-style: none; margin: .2rem 0 0; padding: 0; font-size: .72rem;
  }
  .day .titles li {
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
    background: var(--accent-soft); border-radius: 4px; padding: 0 .25rem; margin-bottom: 2px;
  }
  .day .titles li.muted { background: none; }
}

/* Termine */
.events { list-style: none; padding: 0; margin: 0 0 1rem; }
.event { padding: .7rem 0; border-bottom: 1px solid var(--border); }
.event:last-child { border-bottom: 0; }
.event-head { display: flex; gap: .6rem; align-items: baseline; flex-wrap: wrap; }
.time {
  font-size: .8rem; font-variant-numeric: tabular-nums;
  background: var(--accent-soft); padding: .05rem .4rem; border-radius: 4px;
}
.desc { margin: .35rem 0 0; white-space: pre-wrap; }
.new-event summary { cursor: pointer; font-weight: 600; margin-bottom: .75rem; color: var(--accent); }

/* Benutzerliste */
.users { list-style: none; padding: 0; margin: 0; }
.user {
  display: flex; flex-wrap: wrap; gap: .5rem; justify-content: space-between; align-items: center;
  padding: .75rem 0; border-bottom: 1px solid var(--border);
}
.user:last-child { border-bottom: 0; }
.email { word-break: break-all; }
.user-right { display: flex; gap: .5rem; align-items: center; flex-wrap: wrap; }
.tag { font-size: .78rem; padding: .15rem .5rem; border-radius: 1em; border: 1px solid var(--border); }
.tag.admin { background: var(--text); color: var(--card); border-color: var(--text); }
.tag.edit { background: var(--accent-soft); border-color: var(--accent); }