* { box-sizing: border-box; }
:root {
  color-scheme: dark;
  --bg: #0c1015;
  --panel: #151b23;
  --panel-2: #101720;
  --border: #2c3948;
  --text: #f5f7fa;
  --muted: #9cabbc;
  --accent: #5da8ff;
  --ok: #5fd2a0;
  --warn: #ffcc66;
  --bad: #ff7f7f;
}
body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
}
a { color: var(--accent); }
.shell {
  width: min(520px, calc(100% - 32px));
  margin: 0 auto;
  padding: 56px 0;
}
.shell.wide {
  width: min(920px, calc(100% - 32px));
}
.top {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  margin-bottom: 28px;
}
.brand {
  color: var(--text);
  text-decoration: none;
  font-size: 15px;
  font-weight: 700;
}
.nav {
  display: flex;
  gap: 12px;
  color: var(--muted);
  font-size: 14px;
}
.panel {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
  padding: 28px;
}
.stack {
  display: grid;
  gap: 18px;
}
.toolbar {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: end;
}
.list {
  display: grid;
  gap: 12px;
}
.item {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel-2);
  padding: 16px;
}
.item-head {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: flex-start;
}
.item-title {
  margin: 0;
  font-size: 18px;
  line-height: 1.25;
}
.meta {
  margin-top: 6px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
  overflow-wrap: anywhere;
}
.badge {
  display: inline-block;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px 8px;
  color: var(--muted);
  font-size: 12px;
}
.cameras {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}
.inline-form {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) auto;
  gap: 10px;
  margin-top: 14px;
}
.activation-form {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr auto;
  gap: 12px;
  align-items: end;
}
.empty {
  border: 1px dashed var(--border);
  border-radius: 8px;
  padding: 18px;
  color: var(--muted);
  background: var(--panel-2);
}
.secret {
  margin-top: 12px;
  border: 1px solid rgba(255, 204, 102, .45);
  border-radius: 8px;
  padding: 14px;
  background: var(--panel-2);
}
.secret code {
  display: block;
  margin-top: 8px;
  color: var(--warn);
  overflow-wrap: anywhere;
  font-size: 14px;
}
h1 {
  margin: 0 0 10px;
  font-size: 28px;
  line-height: 1.12;
  letter-spacing: 0;
}
.lead {
  margin: 0 0 24px;
  color: var(--muted);
  line-height: 1.5;
}
form {
  display: grid;
  gap: 16px;
}
label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 14px;
}
input, select {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--panel-2);
  color: var(--text);
  padding: 12px 13px;
  font: inherit;
}
input:focus, select:focus {
  outline: 2px solid rgba(93, 168, 255, .55);
  outline-offset: 1px;
}
button {
  min-height: 44px;
  border: 0;
  border-radius: 6px;
  background: var(--accent);
  color: #07111d;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}
button.secondary {
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
}
button:disabled {
  opacity: .55;
  cursor: wait;
}
.actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 18px;
}
.message {
  display: none;
  margin-top: 18px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--panel-2);
  color: var(--muted);
  line-height: 1.45;
}
.message.show { display: block; }
.message.ok { border-color: rgba(95, 210, 160, .45); color: var(--ok); }
.message.bad { border-color: rgba(255, 127, 127, .45); color: var(--bad); }
.message.warn { border-color: rgba(255, 204, 102, .45); color: var(--warn); }
.kv {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}
.row {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--panel-2);
}
.row span:first-child { color: var(--muted); }
.foot {
  margin-top: 20px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}
@media (max-width: 560px) {
  .shell { width: min(100% - 24px, 520px); padding: 28px 0; }
  .top { align-items: flex-start; flex-direction: column; }
  .panel { padding: 22px; }
  .actions { grid-template-columns: 1fr; }
  .row { flex-direction: column; gap: 4px; }
  .toolbar, .inline-form, .activation-form { grid-template-columns: 1fr; }
  .item-head { flex-direction: column; }
}