:root {
  --bg: #0a0c10;
  --bg-raised: #10141c;
  --bg-input: #0d1016;
  --grid-line: #1a2029;
  --fg: #eef2f6;
  --fg-dim: #7c8a9c;
  --fg-dimmer: #4b5664;
  --accent: #ff4d1c;
  --accent-soft: rgba(255, 77, 28, .14);
  --accent-2: #36ffd6;
  --accent-2-soft: rgba(54, 255, 214, .12);
  --border: #1d242f;
  --danger: #f87171;
  --mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Consolas, monospace;
  --sans: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}

body {
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 72px 72px;
  background-position: -1px -1px;
}

a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 20px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(10px);
  background: rgba(10, 12, 16, .72);
  border-bottom: 1px solid var(--border);
  padding: 18px 0;
}

.topbar .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: .04em;
  color: var(--fg);
}

.logo .dot {
  width: 9px;
  height: 9px;
  flex-shrink: 0;
  background: var(--accent);
  border-radius: 2px;
  box-shadow: 0 0 0 4px var(--accent-soft);
  animation: pulse-dot 2.4s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 4px var(--accent-soft); }
  50% { box-shadow: 0 0 0 8px transparent; }
}

.logo .accent { color: var(--accent); }

main {
  padding: 40px 0 80px;
  position: relative;
  z-index: 1;
}

h1 {
  font-size: clamp(1.5rem, 5vw, 1.9rem);
  font-weight: 700;
  letter-spacing: -.01em;
  margin: 0 0 8px;
}

h2 {
  font-size: 1.05rem;
  margin: 0 0 16px;
  color: var(--fg-dim);
  font-weight: 500;
}

.muted {
  color: var(--fg-dim);
  font-size: .92rem;
}

.card {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 16px;
  transition: border-color .2s;
}

.card-title {
  font-family: var(--mono);
  font-size: .78rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--fg-dim);
  font-weight: 600;
  margin-bottom: 4px;
}

.list { display: flex; flex-direction: column; gap: 10px; }

.topic-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 18px;
  transition: border-color .2s, transform .2s;
}

.topic-row:hover {
  border-color: var(--accent);
}

.topic-row .name { font-weight: 600; }
.topic-row .meta { color: var(--fg-dim); font-size: .85rem; font-family: var(--mono); }
.topic-row a { color: inherit; text-decoration: none; }
.topic-row a:hover { text-decoration: none; }
.topic-row .meta { margin-top: 4px; }

.badge {
  display: inline-block;
  font-family: var(--mono);
  font-size: .72rem;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--fg-dim);
  margin-left: 8px;
  text-transform: uppercase;
  letter-spacing: .06em;
}

.badge.owner { color: var(--accent-2); border-color: rgba(54, 255, 214, .3); background: var(--accent-2-soft); }
.badge.error { color: var(--danger); border-color: rgba(248, 113, 113, .3); background: rgba(248, 113, 113, .1); }

label {
  display: block;
  font-family: var(--mono);
  font-size: .78rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--fg-dim);
  margin-bottom: 6px;
}

input[type="text"], input[type="email"] {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  color: var(--fg);
  font-family: var(--sans);
  font-size: 1rem;
}

input:focus { outline: none; border-color: var(--accent-2); }

.row { display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; }
.row > * { flex: 1; min-width: 160px; }

button, .btn {
  font-family: var(--mono);
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: 12px 20px;
  border-radius: 6px;
  border: 1px solid transparent;
  background: var(--accent);
  color: #0a0c10;
  cursor: pointer;
  transition: all .2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

button:hover, .btn:hover {
  background: #ff6a3d;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px -8px rgba(255, 77, 28, .6);
}

button.secondary, .btn.secondary {
  background: transparent;
  border-color: var(--border);
  color: var(--fg-dim);
}
button.secondary:hover, .btn.secondary:hover {
  background: transparent;
  border-color: var(--accent-2);
  color: var(--accent-2);
  box-shadow: none;
  transform: none;
}

button.danger, .btn.danger {
  background: transparent;
  border-color: var(--danger);
  color: var(--danger);
}
button.danger:hover, .btn.danger:hover {
  background: var(--danger);
  color: #1a0606;
  box-shadow: none;
}

button:disabled {
  opacity: .4;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.code-row {
  display: flex;
  gap: 8px;
  align-items: center;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
}

.code-row code {
  flex: 1;
  font-family: var(--mono);
  font-size: .82rem;
  color: var(--accent-2);
  word-break: break-all;
}

.code-row button.secondary, .code-row .btn.secondary {
  flex-shrink: 0;
  border-color: var(--accent-2);
  color: var(--accent-2);
}
.code-row button.secondary:hover, .code-row .btn.secondary:hover {
  background: var(--accent-2-soft);
}

code {
  font-family: var(--mono);
  color: var(--accent-2);
  background: rgba(54, 255, 214, .06);
  border: 1px solid rgba(54, 255, 214, .18);
  border-radius: 6px;
  padding: 2px 6px;
}

.notice {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  font-size: .88rem;
  margin-bottom: 16px;
}

.notice.error { border-color: var(--danger); color: var(--danger); }
.notice.success { border-color: var(--accent-2); color: var(--accent-2); }

.back-link { margin-bottom: 20px; display: inline-block; font-family: var(--mono); font-size: .85rem; letter-spacing: .04em; }

footer {
  border-top: 1px solid var(--border);
  padding: 20px 0;
  color: var(--fg-dimmer);
  font-family: var(--mono);
  font-size: .78rem;
}

@media (max-width: 560px) {
  .wrap { padding: 0 16px; }
  main { padding: 28px 0 60px; }
  .row { flex-direction: column; align-items: stretch; }
  .row > * { min-width: 0; }
  .topic-row { flex-direction: column; align-items: flex-start; gap: 8px; }
  .topic-row > div:last-child { display: flex; gap: 8px; flex-wrap: wrap; }
}