/* =========================================================
   THEME-VARIABLEN
   ========================================================= */
:root,
:root[data-theme="light"] {
  --bg:            #f3f5f8;
  --bg-elev:       #ffffff;
  --bg-soft:       #f6f8fb;
  --text:          #1f2430;
  --text-muted:    #5a6470;
  --border:        #d0d5dd;
  --border-soft:   #e3e8f0;
  --primary:       #0a66c2;
  --primary-text:  #ffffff;
  --secondary-bg:  #e3e6eb;
  --secondary-text:#222222;
  --error:         #b00020;
  --success:       #0a7d2c;
  --warning:       #a04400;
  --shadow:        0 1px 4px rgba(0,0,0,0.08);
  --shadow-sm:     0 1px 3px rgba(0,0,0,0.06);
  --tab-active-bg: var(--primary);
  --tab-active-fg: #ffffff;
  --tab-fg:        #344d66;
  --table-stripe:  #fafbfd;
  --busy-bg:       #ffe2e2;
  --busy-fg:       #a00;
  --legend-bg:     #ffffff;
  --link:          #0a66c2;
}

:root[data-theme="dark"] {
  --bg:            #0f1419;
  --bg-elev:       #1a2029;
  --bg-soft:       #232a36;
  --text:          #e5e9f0;
  --text-muted:    #97a3b2;
  --border:        #38414f;
  --border-soft:   #2c3540;
  --primary:       #3b8eea;
  --primary-text:  #ffffff;
  --secondary-bg:  #2c3540;
  --secondary-text:#e5e9f0;
  --error:         #ff6b7a;
  --success:       #4ade80;
  --warning:       #f5a056;
  --shadow:        0 1px 4px rgba(0,0,0,0.4);
  --shadow-sm:     0 1px 3px rgba(0,0,0,0.3);
  --tab-active-bg: var(--primary);
  --tab-active-fg: #ffffff;
  --tab-fg:        #b8c4d4;
  --table-stripe:  #1f2630;
  --busy-bg:       #4a1e22;
  --busy-fg:       #ff9aa2;
  --legend-bg:     #1a2029;
  --link:          #66b3ff;
}

/* =========================================================
   BASIS
   ========================================================= */
* { box-sizing: border-box; }
html, body { background: var(--bg); color: var(--text); }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  transition: background-color .2s ease, color .2s ease;
}

button {
  cursor: pointer; padding: 8px 14px; border-radius: 6px; border: none;
  background: var(--primary); color: var(--primary-text); font-weight: 500;
}
button.secondary { background: var(--secondary-bg); color: var(--secondary-text); }
button:hover { opacity: .9; }

input, select, textarea {
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  width: 100%;
  background: var(--bg-elev);
  color: var(--text);
}
input:disabled, select:disabled, textarea:disabled { opacity: .6; }
input::placeholder, textarea::placeholder { color: var(--text-muted); opacity: .7; }

label { display: block; margin: 8px 0; font-size: 13px; color: var(--text-muted); }
a { color: var(--link); }

.card {
  background: var(--bg-elev);
  color: var(--text);
  padding: 20px;
  border-radius: 10px;
  box-shadow: var(--shadow);
  max-width: 560px;
}
.muted { color: var(--text-muted); }
.small { font-size: 12px; }
.error { color: var(--error); margin-top: 8px; font-size: 13px; }
.row { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; align-items: center; }
h4 { margin: 14px 0 6px; }

.login { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 20px; }

/* =========================================================
   HEADER / NAV
   ========================================================= */
.app header {
  background: var(--bg-elev);
  padding: 12px 20px;
  box-shadow: var(--shadow-sm);
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  position: sticky; top: 0; z-index: 20;
}
.brand { font-weight: 700; font-size: 18px; }
nav { display: flex; gap: 4px; align-items: center; flex: 1; flex-wrap: wrap; }
nav .spacer { flex: 1; }
.tab { background: transparent; color: var(--tab-fg); padding: 6px 12px; }
.tab.active { background: var(--tab-active-bg); color: var(--tab-active-fg); }

main {
  padding: 20px;
  max-width: 1600px;
  margin: 0 auto;
}
.tab-pane { display: none; }
.tab-pane.active { display: block; }
.toolbar { margin-bottom: 12px; display: flex; gap: 8px; }

/* =========================================================
   TABELLEN
   ========================================================= */
.table {
  width: 100%; border-collapse: collapse;
  background: var(--bg-elev);
  border-radius: 8px; overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.table th, .table td {
  padding: 10px; text-align: left;
  border-bottom: 1px solid var(--border-soft);
  font-size: 14px; color: var(--text);
}
.table th { background: var(--bg-soft); }
.table tr:nth-child(even) td { background: var(--table-stripe); }
.table a { color: var(--link); text-decoration: none; }
.table a:hover { text-decoration: underline; }

/* =========================================================
   EVENTS
   ========================================================= */
.event-card {
  background: var(--bg-elev);
  padding: 14px 16px; border-radius: 8px;
  box-shadow: var(--shadow-sm); margin-bottom: 14px;
}
.event-card h3 { margin: 0 0 6px; }
.event-meta { font-size: 13px; color: var(--text-muted); margin-bottom: 8px; }
.av-grid { display: grid; grid-template-columns: 1fr auto auto; gap: 8px; align-items: center; font-size: 13px; }
.status-yes { color: var(--success); font-weight: 600; }
.status-no { color: var(--error); font-weight: 600; }
.status-maybe { color: var(--warning); font-weight: 600; }
.status-pending { color: var(--text-muted); }
.busy-badge { background: var(--busy-bg); color: var(--busy-fg); padding: 2px 6px; border-radius: 4px; font-size: 11px; }

.positions-box {
  background: var(--bg-soft);
  border: 1px solid var(--border-soft);
  border-radius: 8px; padding: 8px 12px; margin: 10px 0;
}
.pos-row { display: grid; grid-template-columns: 1fr auto auto; gap: 8px; padding: 4px 0; font-size: 13px; }
.pos-open { color: var(--warning); }
.pos-full { color: var(--success); }

.response-block {
  background: var(--bg-soft);
  padding: 10px; border-radius: 8px; margin-top: 10px;
}
.response-block label { margin-top: 8px; }

/* =========================================================
   MODAL
   ========================================================= */
.modal {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex; align-items: center; justify-content: center;
  padding: 20px; z-index: 50;
}
.modal-content { max-width: 620px; width: 100%; max-height: 90vh; overflow-y: auto; }

/* =========================================================
   KALENDER – VOLLE BREITE & THEME
   ========================================================= */
#tab-calendar { max-width: none; }

#calendar {
  background: var(--bg-elev);
  padding: 16px;
  border-radius: 10px;
  box-shadow: var(--shadow-sm);
  width: 100%;
  color: var(--text);
}

/* FullCalendar Theme-Overrides */
.fc {
  --fc-border-color: var(--border-soft);
  --fc-page-bg-color: var(--bg-elev);
  --fc-neutral-bg-color: var(--bg-soft);
  --fc-list-event-hover-bg-color: var(--bg-soft);
  --fc-today-bg-color: color-mix(in srgb, var(--primary) 12%, transparent);
  --fc-now-indicator-color: var(--error);
  --fc-event-text-color: #fff;
  color: var(--text);
}
.fc .fc-toolbar-title { color: var(--text); font-size: 1.25em; }
.fc .fc-col-header-cell-cushion,
.fc .fc-daygrid-day-number,
.fc .fc-list-day-text,
.fc .fc-list-day-side-text,
.fc .fc-timegrid-axis-cushion,
.fc .fc-timegrid-slot-label-cushion { color: var(--text); }
.fc .fc-button-primary {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--primary-text);
}
.fc .fc-button-primary:hover { opacity: .9; }
.fc .fc-button-primary:disabled { background: var(--secondary-bg); color: var(--secondary-text); border-color: var(--border); }
.fc .fc-button-primary:not(:disabled).fc-button-active,
.fc .fc-button-primary:not(:disabled):active {
  background: color-mix(in srgb, var(--primary) 75%, #000 25%);
  border-color: color-mix(in srgb, var(--primary) 75%, #000 25%);
}
.fc-theme-standard td, .fc-theme-standard th { border-color: var(--border-soft); }
.fc-list-day-cushion { background: var(--bg-soft) !important; }

/* Tageseinträge dürfen nicht abgeschnitten werden */
.fc .fc-daygrid-day-frame { min-height: 110px; }
.fc .fc-daygrid-event {
  white-space: normal;
  overflow: visible;
  text-overflow: clip;
  padding: 2px 4px;
  font-size: 12px;
  line-height: 1.25;
}
.fc .fc-daygrid-event .fc-event-title { white-space: normal; }
.fc .fc-daygrid-block-event .fc-event-time,
.fc .fc-daygrid-block-event .fc-event-title { white-space: normal; }
.fc .fc-daygrid-more-link { font-weight: 600; }

/* Legende */
.legend {
  margin-top: 10px; display: flex; gap: 12px; flex-wrap: wrap;
  font-size: 12px; color: var(--text-muted);
}
.legend .lg {
  padding: 2px 8px; border-radius: 12px;
  background: var(--legend-bg); border: 1px solid var(--border-soft);
}

.hidden { display: none !important; }

/* =========================================================
   REGISTRIERUNG / STATUS
   ========================================================= */
.req { color: var(--error); font-weight: 700; margin-left: 2px; }
#registerView .card { max-width: 520px; }
#registerForm h1 { margin-top: 0; }

.status-active   { color: var(--success); font-weight: 600; white-space: nowrap; }
.status-inactive { color: var(--warning); font-weight: 600; white-space: nowrap; }

.user-inactive td { background: color-mix(in srgb, var(--warning) 12%, transparent) !important; }

.pending-badge {
  display: inline-block;
  background: color-mix(in srgb, var(--warning) 20%, var(--bg-elev));
  color: var(--warning);
  border: 1px solid var(--warning);
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
}

.row-actions {
  display: flex; gap: 6px; flex-wrap: wrap;
}
.row-actions button { padding: 6px 10px; font-size: 12px; }


/* =========================================================
   MOBILE
   ========================================================= */
@media (max-width: 768px) {
  main { padding: 12px; }
  .app header { padding: 10px 12px; gap: 8px; }
  .brand { font-size: 16px; flex-basis: 100%; }
  nav { gap: 2px; }
  .tab { padding: 6px 9px; font-size: 13px; }
  #meLabel { display: none; }

  #calendar { padding: 8px; border-radius: 8px; }
  .fc .fc-toolbar.fc-header-toolbar {
    flex-wrap: wrap; gap: 6px; margin-bottom: 0.75em;
  }
  .fc .fc-toolbar-title { font-size: 1em; }
  .fc .fc-button { padding: 4px 8px; font-size: 12px; }
  .fc .fc-daygrid-day-frame { min-height: 60px; }
  .fc .fc-daygrid-event { font-size: 11px; }
  .fc .fc-col-header-cell-cushion { font-size: 11px; padding: 4px 2px; }

  .table { font-size: 12px; }
  .table th, .table td { padding: 6px 4px; }

  .av-grid, .pos-row { grid-template-columns: 1fr; }
  .modal { padding: 8px; }
  .modal-content { max-height: 95vh; }

  /* Tabellen scrollbar machen, falls trotzdem zu breit */
  #dirTable, #userTable { display: block; overflow-x: auto; }
}

@media (max-width: 480px) {
  .legend { font-size: 11px; gap: 6px; }
  .fc .fc-toolbar-chunk { display: flex; gap: 4px; }
}