:root {
  --bg: #0f172a;
  --card: #111827;
  --muted: #94a3b8;
  --text: #e2e8f0;
  --accent: #38bdf8;
  --accent-hover: #0ea5e9;
  --border: #334155;
  --danger: #f43f5e;
  --ok: #22c55e;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, Segoe UI, Arial, sans-serif;
  background: radial-gradient(circle at top right, #1e293b, var(--bg));
  color: var(--text);
}

.container {
  width: min(980px, 92vw);
  margin: 28px auto;
}

.auth-container {
  width: min(520px, 92vw);
}

.auth-card h1 {
  margin-top: 0;
  margin-bottom: 8px;
  font-size: 1.45rem;
}

.auth-card p {
  margin-top: 0;
  color: var(--muted);
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  color: var(--muted);
}

.logout-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

.logout-link:hover {
  color: var(--accent-hover);
}

header h1 {
  margin-bottom: 6px;
}

header p {
  color: var(--muted);
  margin-top: 0;
}

.card {
  background: rgba(17, 24, 39, 0.95);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  margin-top: 16px;
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.25);
}

h2 {
  margin-top: 0;
  font-size: 1.12rem;
}

label {
  display: block;
  margin-bottom: 12px;
  font-size: 0.95rem;
}

input,
select,
textarea,
button {
  width: 100%;
  margin-top: 6px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #0b1220;
  color: var(--text);
  padding: 10px 12px;
  font-size: 0.96rem;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid color-mix(in srgb, var(--accent) 65%, transparent);
  border-color: var(--accent);
}

.grid.two {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.actions {
  margin-top: 16px;
}

button {
  background: var(--accent);
  border: none;
  color: #042330;
  cursor: pointer;
  font-weight: 700;
}

button:hover {
  background: var(--accent-hover);
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

#resultLog {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--muted);
}

.ok {
  color: var(--ok);
}

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

@media (max-width: 760px) {
  .grid.two {
    grid-template-columns: 1fr;
  }
}