:root {
  color-scheme: light dark;
  --bg: #f4f6fa;
  --panel: #ffffff;
  --panel-border: #e3e8f0;
  --ink: #1f2733;
  --muted: #6b7688;
  --accent: #3f7ba3;
  --accent-soft: #e6f0f7;
  --bar: #4a90c2;
  --bar-soft: #cfe0ee;
  --track: #eef1f6;
  --danger: #c0564a;
  --shadow: 0 1px 2px rgba(31, 39, 51, .04), 0 8px 24px rgba(31, 39, 51, .06);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1620;
    --panel: #17222f;
    --panel-border: #24313f;
    --ink: #e5edf6;
    --muted: #8a99ac;
    --accent: #6fb0dd;
    --accent-soft: #1b2c3a;
    --bar: #5aa0d0;
    --bar-soft: #24384a;
    --track: #1e2b39;
    --danger: #e2796b;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .35);
  }
}

* { box-sizing: border-box; }

/* Das hidden-Attribut muss immer greifen. Ohne diese Regel ueberstimmt eine
   spaetere display-Angabe (z. B. .login { display: grid }) die Browser-Vorgabe
   [hidden] { display: none } - dann bleibt eine "versteckte" Ansicht sichtbar. */
[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 15px;
  line-height: 1.45;
}

.wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 20px 40px;
}

h1 { font-size: 1.5rem; margin: 0; }
h2 { font-size: .95rem; margin: 0 0 14px; font-weight: 650; }

/* --- Login --- */
.login {
  min-height: 80vh;
  display: grid;
  place-items: center;
}

.login-card {
  width: min(360px, 100%);
  padding: 28px 26px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 16px;
  box-shadow: var(--shadow);
}

.login-card h1 { margin-bottom: 6px; }

.login-hint {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: .85rem;
}

.field-label {
  display: block;
  margin-bottom: 6px;
  font-size: .8rem;
  color: var(--muted);
}

.field {
  width: 100%;
  height: 42px;
  padding: 0 12px;
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  background: var(--bg);
  color: var(--ink);
  font-size: 1rem;
}

.field:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: var(--accent);
}

.login-error {
  margin: 10px 0 0;
  color: var(--danger);
  font-size: .82rem;
}

.primary {
  width: 100%;
  height: 42px;
  margin-top: 16px;
  border: 0;
  border-radius: 10px;
  background: var(--accent);
  color: #fff;
  font-size: .95rem;
  font-weight: 650;
  cursor: pointer;
}

.primary:hover { filter: brightness(1.06); }
.primary:disabled { opacity: .6; cursor: default; }

/* --- Dashboard --- */
.topbar {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.subtitle {
  display: block;
  color: var(--muted);
  font-size: .82rem;
}

.controls {
  display: flex;
  gap: 10px;
  align-items: center;
}

.range {
  display: inline-flex;
  padding: 3px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
}

.range button {
  border: 0;
  background: transparent;
  color: var(--muted);
  padding: 6px 11px;
  border-radius: 7px;
  font-size: .82rem;
  cursor: pointer;
}

.range button.active {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 650;
}

.ghost {
  border: 1px solid var(--panel-border);
  background: var(--panel);
  color: var(--muted);
  padding: 7px 13px;
  border-radius: 9px;
  font-size: .82rem;
  cursor: pointer;
}

.ghost:hover { color: var(--ink); }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}

.card {
  padding: 16px 18px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 14px;
  box-shadow: var(--shadow);
}

.card .value {
  font-size: 1.9rem;
  font-weight: 700;
  letter-spacing: -.02em;
}

.card .label {
  margin-top: 2px;
  color: var(--muted);
  font-size: .8rem;
}

.card.live .value { color: var(--accent); }

.card .dot {
  display: inline-block;
  width: 9px;
  height: 9px;
  margin-right: 7px;
  border-radius: 50%;
  background: var(--accent);
  vertical-align: middle;
}

.panel {
  padding: 18px 20px;
  margin-bottom: 18px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 14px;
  box-shadow: var(--shadow);
}

.chart { width: 100%; overflow-x: auto; }
.chart svg { display: block; width: 100%; height: auto; }

.bar-rect { fill: var(--bar); }
.bar-track { fill: var(--track); }
.axis-label { fill: var(--muted); font-size: 11px; }
.axis-line { stroke: var(--panel-border); stroke-width: 1; }
.bar-value { fill: var(--muted); font-size: 10px; }

.lists {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}

.lists .panel { margin-bottom: 0; }

.list-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px 12px;
  align-items: center;
  padding: 7px 0;
}

.list-row + .list-row { border-top: 1px solid var(--panel-border); }

.list-label {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: .88rem;
}

.list-count {
  color: var(--muted);
  font-size: .82rem;
  font-variant-numeric: tabular-nums;
}

.list-meter {
  grid-column: 1 / -1;
  height: 5px;
  border-radius: 3px;
  background: var(--track);
  overflow: hidden;
}

.list-empty {
  color: var(--muted);
  font-size: .85rem;
  padding: 6px 0;
}

.count-info {
  margin-top: 18px;
}

.count-info ul {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  font-size: .84rem;
}

.count-info li + li {
  margin-top: 8px;
}

.count-info strong {
  color: var(--ink);
}

.foot {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  justify-content: space-between;
  margin-top: 22px;
  color: var(--muted);
  font-size: .78rem;
}

.privacy { color: var(--accent); }
.foot a { color: inherit; }

@media (max-width: 560px) {
  .wrap { padding: 16px 14px 32px; }
  .topbar { align-items: flex-start; }
  .card .value { font-size: 1.6rem; }
}

/* --- Stream-Schluessel ----------------------------------------------------- */

.keys-hint {
  margin: 0 0 14px;
  max-width: 62ch;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

.keys-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.keys-status {
  color: var(--muted);
  font-size: 13.5px;
}

.keys-status.is-error {
  color: var(--danger);
}

.keys-list {
  margin-top: 16px;
  display: grid;
  gap: 8px;
}

.keys-empty {
  color: var(--muted);
  font-size: 14px;
}

.key-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding: 11px 13px;
  background: var(--accent-soft);
  border: 1px solid var(--panel-border);
  border-radius: 9px;
}

.key-row.is-new {
  animation: key-appear 0.5s cubic-bezier(0.2, 0.75, 0.25, 1) both;
}

@keyframes key-appear {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

.key-value {
  flex: none;
  font-family: ui-monospace, "Cascadia Mono", Consolas, monospace;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--ink);
}

.key-meta {
  flex: 1;
  min-width: 140px;
  color: var(--muted);
  font-size: 13px;
}

.key-row .ghost {
  flex: none;
}

@media (prefers-reduced-motion: reduce) {
  .key-row.is-new { animation: none; }
}