:root {
  --bg: #0f1117; --panel: #14161f; --card: #1e2131; --border: #2a2e42;
  --hi: #e8e9f0; --mid: #a9adc1; --low: #6c7086;
  --accent: #7c6ef2; --accent-soft: #7c6ef222; --accent-hi: #9d92f7;
  --ok: #4ade80; --warn: #fbbf24; --bad: #f87171;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--hi); font-family: -apple-system, "Inter", system-ui, sans-serif; -webkit-tap-highlight-color: transparent; }
input, select, textarea, button { font-family: inherit; }
.hidden { display: none !important; }

/* Login */
#login-view { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; }
.login-box { width: 100%; max-width: 340px; background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 28px 24px; }
.login-box h1 { font-size: 18px; margin: 0 0 4px; }
.login-box p { color: var(--low); font-size: 13px; margin: 0 0 20px; }
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 12px; color: var(--low); margin-bottom: 5px; }
.field input, .field select, .field textarea {
  width: 100%; background: var(--bg); border: 1px solid var(--border); color: var(--hi);
  border-radius: 10px; padding: 11px 12px; font-size: 15px; outline: none;
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--accent); }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; border: none; border-radius: 10px; padding: 11px 16px; font-size: 14px; font-weight: 600; cursor: pointer; }
.btn-primary { background: var(--accent); color: #fff; width: 100%; }
.btn-ghost { background: transparent; color: var(--mid); border: 1px solid var(--border); }
.btn-danger { background: transparent; color: var(--bad); border: 1px solid var(--border); }
.error-msg { color: var(--bad); font-size: 13px; margin-top: 10px; min-height: 16px; }

/* App shell */
#app-view { display: flex; min-height: 100vh; }
.sidebar { width: 220px; background: var(--panel); border-right: 1px solid var(--border); display: flex; flex-direction: column; flex-shrink: 0; }
.brand { display: flex; align-items: center; gap: 10px; padding: 18px 16px; }
.brand-icon { width: 30px; height: 30px; border-radius: 9px; background: var(--accent); }
.brand-name { font-weight: 600; font-size: 14px; }
.nav { flex: 1; padding: 0 10px; }
.nav-item { display: flex; align-items: center; gap: 10px; width: 100%; background: none; border: none; color: var(--mid); padding: 11px 12px; border-radius: 10px; font-size: 14px; text-align: left; cursor: pointer; margin-bottom: 2px; }
.nav-item.active { background: var(--accent-soft); color: var(--accent-hi); }
.nav-item svg, .nav-item .dot { width: 16px; }
.sidebar-footer { padding: 12px; border-top: 1px solid var(--border); font-size: 12px; color: var(--low); }

.main { flex: 1; padding: 24px; max-width: 1100px; overflow-x: hidden; }
.page-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 20px; gap: 12px; flex-wrap: wrap; }
.page-header h1 { font-size: 19px; margin: 0; }
.page-header p { color: var(--low); font-size: 13px; margin: 4px 0 0; }

.card { background: var(--card); border: 1px solid var(--border); border-radius: 14px; }
.card-pad { padding: 16px; }
.grid { display: grid; gap: 14px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.kpi-label { font-size: 12px; color: var(--low); }
.kpi-value { font-size: 24px; font-weight: 600; margin-top: 6px; font-variant-numeric: tabular-nums; }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; color: var(--low); font-weight: 400; font-size: 12px; padding: 10px 14px; }
td { padding: 12px 14px; border-top: 1px solid var(--border); }
tr.row-clickable { cursor: pointer; }
tr.row-clickable:hover td { background: #20233570; }

.badge { display: inline-block; padding: 3px 9px; border-radius: 7px; font-size: 12px; font-weight: 500; white-space: nowrap; }
.badge-neutral { background: var(--border); color: var(--mid); }
.badge-ok { background: #4ade8022; color: var(--ok); }
.badge-warn { background: #fbbf2422; color: var(--warn); }
.badge-bad { background: #f8717122; color: var(--bad); }
.badge-accent { background: var(--accent-soft); color: var(--accent-hi); }

.quota-bar { height: 6px; border-radius: 4px; background: var(--border); overflow: hidden; margin-top: 5px; }
.quota-fill { height: 100%; border-radius: 4px; }
.quota-text { font-size: 12px; color: var(--mid); display: flex; justify-content: space-between; font-variant-numeric: tabular-nums; }

.toolbar { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 12px; }
.toolbar select, .toolbar input { background: var(--bg); border: 1px solid var(--border); color: var(--hi); border-radius: 9px; padding: 9px 11px; font-size: 14px; }
.toolbar input[type=text], .toolbar textarea { flex: 1; min-width: 140px; }

.modal-backdrop { position: fixed; inset: 0; background: #000a; display: flex; align-items: center; justify-content: center; z-index: 50; padding: 16px; }
.modal { background: var(--card); border: 1px solid var(--border); border-radius: 16px; width: 100%; max-width: 420px; max-height: 90vh; overflow-y: auto; padding: 20px; }
.modal h2 { font-size: 16px; margin: 0 0 16px; }
.modal-actions { display: flex; gap: 8px; margin-top: 6px; }

.kanban { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.kanban-col-head { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; font-size: 13px; }
.ticket-card { padding: 12px; margin-bottom: 10px; }
.ticket-card .betreff { font-size: 14px; margin-bottom: 6px; }
.ticket-card .meta { display: flex; justify-content: space-between; align-items: center; margin-top: 8px; }

.empty { color: var(--low); font-size: 13px; padding: 20px; text-align: center; }

/* Mobile-first: sidebar wird zur Bottom-Nav, Tabellen scrollen horizontal, Grids stapeln */
.bottom-nav { display: none; }

@media (max-width: 860px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .kanban { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  #app-view { flex-direction: column; }
  .sidebar { display: none; }
  .main { padding: 16px 14px 84px; max-width: 100%; }
  .card { overflow-x: auto; }
  table { min-width: 560px; }
  .bottom-nav {
    display: flex; position: fixed; bottom: 0; left: 0; right: 0; z-index: 40;
    background: var(--panel); border-top: 1px solid var(--border);
    padding: 6px 4px calc(6px + env(safe-area-inset-bottom));
  }
  .bottom-nav button {
    flex: 1; background: none; border: none; color: var(--low); font-size: 10px;
    display: flex; flex-direction: column; align-items: center; gap: 3px; padding: 6px 2px;
  }
  .bottom-nav button.active { color: var(--accent-hi); }
  .bottom-nav svg { width: 18px; height: 18px; }
}