:root {
  color-scheme: dark;
  --bg: #101418;
  --panel: #181e25;
  --panel-2: #202833;
  --line: #313b48;
  --text: #e8eef5;
  --muted: #93a3b5;
  --green: #3ecf8e;
  --green-dim: #163528;
  --amber: #e6b450;
  --amber-dim: #3a2e14;
  --red: #f07178;
  --red-dim: #3a1c22;
  --blue: #7eb6ff;
  --blue-dim: #1a2c44;
  --radius: 12px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.45 "Segoe UI", system-ui, sans-serif;
}

button, input, select, textarea { font: inherit; color: inherit; }

button {
  background: var(--green);
  color: #062117;
  border: 0;
  border-radius: 8px;
  padding: 8px 14px;
  font-weight: 600;
  cursor: pointer;
}

button.secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
}

button.danger {
  background: transparent;
  color: var(--red);
  border: 1px solid #6d3036;
}

button:disabled { opacity: 0.55; cursor: default; }
button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

h1, h2, h3 { font-weight: 600; letter-spacing: -0.02em; margin: 0; }
h1 { font-size: 1.6rem; }
h2 { font-size: 1.05rem; }

.auth {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.card, .panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.auth-card { width: min(420px, 100%); padding: 28px; }
.auth-card h1 { margin-bottom: 6px; }
.lead { color: var(--muted); margin: 0 0 18px; }

form.stack, .stack { display: grid; gap: 14px; }

label { display: grid; gap: 6px; color: var(--muted); font-size: 0.92rem; }

input, select, textarea {
  width: 100%;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px 10px;
}

textarea { min-height: 140px; resize: vertical; }

.top {
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  background: rgba(16, 20, 24, 0.94);
  z-index: 2;
}

.brand { display: flex; gap: 10px; align-items: center; }
.brand small, .muted { color: var(--muted); }
.brand strong { display: block; }

.mark {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px var(--green-dim);
}

nav { display: flex; gap: 6px; flex-wrap: wrap; }
nav button { background: transparent; color: var(--muted); border: 1px solid transparent; }
nav button[aria-current="page"] {
  color: var(--text);
  background: var(--panel-2);
  border-color: var(--line);
}

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

main {
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 64px;
}

.page-head, .row {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

.page-head { margin-bottom: 16px; }

.grid { display: grid; gap: 12px; }
.endpoints { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }

.card { padding: 16px; display: grid; gap: 10px; }
.card header { display: flex; justify-content: space-between; gap: 8px; align-items: start; }

.pill, .badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 0.82rem;
  background: var(--blue-dim);
  color: var(--blue);
}

.pill-ready, .badge.on, .badge-sent { background: var(--green-dim); color: var(--green); }
.pill-qr, .pill-authenticated, .badge-queued { background: var(--amber-dim); color: var(--amber); }
.pill-error, .pill-disconnected, .pill-auth_failure, .badge.off, .badge-failed {
  background: var(--red-dim);
  color: var(--red);
}

.banner {
  padding: 10px 12px;
  border-radius: 8px;
  margin-bottom: 14px;
}
.banner.error { background: var(--red-dim); color: #ffd5d8; }
.banner.ok { background: var(--green-dim); color: #d8ffe9; }

.split { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.8fr); gap: 16px; }
.panel { padding: 16px; display: grid; gap: 12px; align-content: start; }

.qr-frame {
  background: #fff;
  padding: 16px;
  width: fit-content;
  border-radius: 12px;
}
.qr-frame img { display: block; width: 280px; height: 280px; }

.actions { display: flex; gap: 8px; flex-wrap: wrap; }

pre, .url-input {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  background: var(--bg);
  border-radius: 8px;
  padding: 12px;
  font-family: ui-monospace, Consolas, monospace;
  font-size: 0.86rem;
}

.url-input { width: 100%; }
.url-row { display: flex; gap: 8px; align-items: center; }
.url-row .url-input { flex: 1; min-width: 0; }

details {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
}
details + details { margin-top: 8px; }
summary { cursor: pointer; display: grid; grid-template-columns: 168px 130px minmax(80px, 140px) 1fr; gap: 8px; align-items: center; }
.detail { display: grid; gap: 8px; margin-top: 12px; }
.detail h3 { font-size: 0.85rem; color: var(--muted); font-weight: 600; }
.error-text { color: var(--red); margin: 0; }

.empty { color: var(--muted); padding: 28px; text-align: center; border: 1px dashed var(--line); border-radius: var(--radius); }

.check { display: flex; align-items: center; gap: 8px; color: var(--text); }
.check input { width: auto; }

.modal-back {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  display: grid;
  place-items: center;
  padding: 24px;
  z-index: 5;
}
.modal { width: min(560px, 100%); padding: 20px; display: grid; gap: 12px; }

@media (max-width: 800px) {
  .top { flex-wrap: wrap; }
  nav {
    order: 3;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
  .split, summary { grid-template-columns: 1fr; }
  .qr-frame img { width: min(280px, 70vw); height: auto; }
}