:root {
  --bg: #f4f5fa;
  --surface: #ffffff;
  --surface-2: var(--surface-2);
  --border: #e6e8f0;
  --border-soft: #f0f1f7;
  --text: #1b1d29;
  --muted: #6b7190;
  --accent: #4f46e5;
  --accent-soft: #eef0ff;
  --green: #0f9d6a;
  --green-soft: #e3f7ee;
  --amber: #c9820a;
  --amber-soft: #fdf2dd;
  --privat: #4f46e5;
  --versicherung: #0ea5a0;
  --plate-bg: #111827;
  --field: #ffffff;
  --weekend: #f7f8fd;
  --danger: #d1374a;
  --danger-soft: #fdf1f3;
  --danger-border: #f2c6cd;
  --radius: 14px;
  --shadow: 0 2px 6px rgba(27,29,41,.06), 0 8px 24px rgba(27,29,41,.06);
  color-scheme: light;
}
html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0f0e1f;
  --surface: #1c1e2b;
  --surface-2: #232536;
  --border: #2c2f42;
  --border-soft: #262838;
  --text: #e8eaf2;
  --muted: #9499b5;
  --accent: #7c74ff;
  --accent-soft: #272a44;
  --green: #34d39e;
  --green-soft: #173a30;
  --amber: #f0b429;
  --amber-soft: #3a2f16;
  --privat: #7c74ff;
  --versicherung: #22d3cc;
  --plate-bg: #000000;
  --field: #15161f;
  --weekend: #232536;
  --danger: #ff6b7d;
  --danger-soft: #3a1f27;
  --danger-border: #5a2a33;
  --shadow: 0 2px 6px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.35);
}
html[data-theme="dark"] .cal-daycell.weekend { background: rgba(255,255,255,.03); }
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.45;
}

/* Topbar */
.topbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: 28px;
  padding: 0 22px; height: 60px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 17px; }
.brand .logo { font-size: 22px; }
.tabs { display: flex; gap: 4px; flex-wrap: wrap; }
.tab {
  border: 0; background: transparent; color: var(--muted);
  padding: 9px 15px; border-radius: 9px; cursor: pointer;
  font-size: 14.5px; font-weight: 600; font-family: inherit;
}
.tab:hover { background: var(--bg); color: var(--text); }
.tab.active { background: var(--accent-soft); color: var(--accent); }
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.user-badge { font-weight: 700; font-size: 14px; color: var(--text); }
.user-badge::before { content: "👤 "; }
#theme-toggle { font-size: 17px; }

main { max-width: 1180px; margin: 0 auto; padding: 26px 22px 60px; }
.view.hidden { display: none; }
.calendar-wrap.hidden { display: none; }

/* KPIs */
.kpis { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; margin-bottom: 26px; }
.kpi { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px 22px; box-shadow: var(--shadow); }
.kpi-val { font-size: 34px; font-weight: 800; letter-spacing: -.5px; }
.kpi-lbl { color: var(--muted); font-weight: 600; margin-top: 2px; }
.kpi.rented .kpi-val { color: var(--amber); }
.kpi.free .kpi-val { color: var(--green); }

.section-head { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin: 6px 0 16px; flex-wrap: wrap; }
.section-head h2 { font-size: 18px; margin: 0; }

/* Buttons */
.btn { font-family: inherit; font-size: 14px; font-weight: 600; border-radius: 9px; border: 1px solid var(--border); background: var(--surface); color: var(--text); padding: 9px 15px; cursor: pointer; transition: .12s; }
.btn:hover { border-color: #c9cde0; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { background: #4036d6; }
.btn.ghost { background: transparent; }
.btn.icon { padding: 7px 12px; font-size: 17px; line-height: 1; }
.btn.danger { color: var(--danger); border-color: var(--danger-border); background: var(--danger-soft); }
.btn.sm { padding: 6px 11px; font-size: 13px; }

/* Vehicle cards */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px,1fr)); gap: 16px; }
.vcard { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); display: flex; flex-direction: column; gap: 10px; }
.vcard .plate { display: inline-block; font-weight: 800; letter-spacing: .5px; background: var(--plate-bg); color: #fff; padding: 3px 9px; border-radius: 6px; font-size: 14px; }
.vcard .vtype { color: var(--muted); font-weight: 600; font-size: 13.5px; }
.vcard .vmake { font-weight: 700; }
.badge { align-self: flex-start; font-size: 12.5px; font-weight: 700; padding: 4px 10px; border-radius: 20px; }
.badge.frei { background: var(--green-soft); color: var(--green); }
.badge.vermietet { background: var(--amber-soft); color: var(--amber); }
.vcard .who { font-size: 13.5px; color: var(--muted); border-top: 1px dashed var(--border); padding-top: 9px; }
.vcard .who b { color: var(--text); }
.chip { font-size: 11.5px; font-weight: 700; padding: 2px 8px; border-radius: 6px; }
.chip.privat { background: var(--accent-soft); color: var(--privat); }
.chip.versicherung { background: rgba(34,211,204,.16); color: var(--versicherung); }

/* Auswertung */
.report-filter { display: flex; gap: 14px; align-items: flex-end; flex-wrap: wrap; margin-bottom: 20px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; box-shadow: var(--shadow); }
.report-filter .field { gap: 6px; }
.report-filter label { font-size: 13px; font-weight: 700; color: var(--muted); }
.report-filter input, .report-filter select { font-family: inherit; font-size: 14.5px; padding: 9px 12px; border: 1px solid var(--border); border-radius: 9px; background: var(--field); color: var(--text); }
.report-filter input:focus, .report-filter select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.repbar-wrap { display: flex; align-items: center; gap: 10px; min-width: 160px; }
.repbar { height: 10px; border-radius: 5px; background: var(--accent); min-width: 2px; }
.repbar-val { font-weight: 700; font-size: 13.5px; color: var(--text); }

/* Tables */
.table-wrap { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.table { width: 100%; border-collapse: collapse; }
.table th { text-align: left; font-size: 12.5px; text-transform: uppercase; letter-spacing: .4px; color: var(--muted); padding: 13px 16px; border-bottom: 1px solid var(--border); background: var(--surface-2); }
.table td { padding: 13px 16px; border-bottom: 1px solid var(--border); }
.table tr:last-child td { border-bottom: 0; }
.table tr:hover td { background: var(--surface-2); }
.row-actions { display: flex; gap: 8px; justify-content: flex-end; }

/* Calendar / Belegungsplan */
.month-nav { display: flex; align-items: center; gap: 10px; }
.month-nav h2 { min-width: 170px; text-align: center; }
.legend { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.lg { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--muted); font-weight: 600; }
.dot { width: 12px; height: 12px; border-radius: 4px; display: inline-block; }
.dot.privat { background: var(--privat); }
.dot.versicherung { background: var(--versicherung); }
.calendar-wrap { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); overflow-x: auto; }
.calendar { min-width: 760px; }
.cal-row { display: grid; grid-template-columns: 180px 1fr; border-bottom: 1px solid var(--border); }
.cal-row:last-child { border-bottom: 0; }
.cal-head .cal-label { background: var(--surface-2); }
.cal-label { padding: 10px 14px; border-right: 1px solid var(--border); display: flex; flex-direction: column; justify-content: center; gap: 2px; }
.cal-label .plate { font-weight: 800; font-size: 13px; }
.cal-label .sub { font-size: 12px; color: var(--muted); }
.cal-days { position: relative; display: grid; }
.cal-head .cal-days { background: var(--surface-2); }
.cal-daycell { border-right: 1px solid var(--border-soft); font-size: 11px; color: var(--muted); text-align: center; padding: 8px 0; min-height: 20px; }
.cal-daycell.weekend { background: var(--weekend); }
.cal-daycell.today { background: var(--accent-soft); color: var(--accent); font-weight: 800; }
.cal-body .cal-days { min-height: 46px; }
.bar { position: absolute; top: 8px; height: 30px; border-radius: 7px; color: #fff; font-size: 12px; font-weight: 600; padding: 0 9px; display: flex; align-items: center; overflow: hidden; white-space: nowrap; cursor: pointer; box-shadow: 0 1px 3px rgba(0,0,0,.18); }
.bar.privat { background: var(--privat); }
.bar.versicherung { background: var(--versicherung); }
.bar:hover { filter: brightness(1.07); }
.cal-empty { padding: 30px; text-align: center; color: var(--muted); }

/* Ansichtsumschalter */
.viewswitch { display: inline-flex; background: var(--surface-2); border: 1px solid var(--border); border-radius: 10px; padding: 3px; gap: 2px; }
.vs-btn { border: 0; background: transparent; color: var(--muted); font-family: inherit; font-weight: 700; font-size: 13.5px; padding: 7px 14px; border-radius: 8px; cursor: pointer; }
.vs-btn.active { background: var(--surface); color: var(--accent); box-shadow: var(--shadow); }

/* Großer Monatskalender */
.month-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 1px; background: var(--border); border-radius: var(--radius); overflow: hidden; }
.mg-head { background: var(--surface-2); text-align: center; font-size: 12.5px; font-weight: 700; color: var(--muted); padding: 10px 0; text-transform: uppercase; letter-spacing: .4px; }
.mg-day { background: var(--surface); min-height: 108px; padding: 6px 7px; display: flex; flex-direction: column; gap: 4px; }
.mg-day.empty { background: var(--surface-2); }
.mg-daynum { font-size: 13px; font-weight: 700; color: var(--text); align-self: flex-start; min-width: 24px; height: 24px; display: flex; align-items: center; justify-content: center; border-radius: 7px; }
.mg-day.today .mg-daynum { background: var(--accent); color: #fff; }
.mg-day.weekend { background: var(--weekend); }
.mg-events { display: flex; flex-direction: column; gap: 3px; overflow: hidden; }
.ev { border-radius: 6px; padding: 3px 7px; cursor: pointer; border-left: 3px solid transparent; background: var(--surface-2); }
.ev.privat { border-left-color: var(--privat); }
.ev.versicherung { border-left-color: var(--versicherung); }
.ev:hover { filter: brightness(.97); }
html[data-theme="dark"] .ev:hover { filter: brightness(1.25); }
.ev-name { font-size: 12px; font-weight: 700; color: var(--text); line-height: 1.25; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ev-plate { font-size: 10.5px; font-weight: 600; color: var(--muted); letter-spacing: .3px; }
.ev-renter { font-size: 10.5px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

@media (max-width: 720px) {
  .month-grid { min-width: 620px; }
  .calendar-wrap { overflow-x: auto; }
}

/* Modal */
.modal-backdrop { position: fixed; inset: 0; background: rgba(20,22,40,.45); display: flex; align-items: center; justify-content: center; z-index: 50; padding: 16px; }
.modal-backdrop.hidden { display: none; }
.modal { background: var(--surface); border-radius: 16px; width: 100%; max-width: 480px; box-shadow: 0 20px 60px rgba(0,0,0,.25); max-height: 92vh; overflow: auto; }
.modal-head { display: flex; align-items: center; justify-content: space-between; padding: 18px 22px; border-bottom: 1px solid var(--border); }
.modal-head h3 { margin: 0; font-size: 17px; }
#modal-body { padding: 20px 22px; display: flex; flex-direction: column; gap: 14px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 13px; font-weight: 700; color: var(--muted); }
.field input, .field select, .field textarea { font-family: inherit; font-size: 14.5px; padding: 10px 12px; border: 1px solid var(--border); border-radius: 9px; background: var(--field); color: var(--text); }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.field.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.segmented { display: flex; gap: 8px; }
.segmented label { flex: 1; text-align: center; padding: 10px; border: 1px solid var(--border); border-radius: 9px; cursor: pointer; font-weight: 600; font-size: 14px; }
.segmented input { display: none; }
.segmented input:checked + span { color: var(--accent); }
.segmented label:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); }
.km-result { font-size: 14px; color: var(--muted); background: var(--surface-2); border: 1px solid var(--border); border-radius: 9px; padding: 10px 13px; }
.km-result b { color: var(--text); }
.km-warn { color: var(--danger); font-weight: 700; }
.modal-foot { display: flex; justify-content: flex-end; gap: 10px; padding: 16px 22px; border-top: 1px solid var(--border); }

/* Toast */
.toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%); background: var(--plate-bg); color: #fff; padding: 12px 20px; border-radius: 10px; font-weight: 600; z-index: 100; box-shadow: var(--shadow); }
html[data-theme="dark"] .toast { background: #2c2f42; }
.toast.err { background: #d1374a; }
.toast.hidden { display: none; }

@media (max-width: 720px) {
  .kpis { grid-template-columns: 1fr; }
  .topbar { flex-wrap: wrap; height: auto; padding: 10px 16px; gap: 10px; }
  main { padding: 18px 14px 50px; }
}