:root {
  color-scheme: light dark;
  --bg: #0b1020;
  --panel: #121a30;
  --panel-soft: #18233f;
  --text: #ebf0ff;
  --muted: #a9b6dc;
  --border: #2f3a5a;
  --ok: #7ee787;
  --warn: #ffd866;
  --bad: #ff7b72;
  --link: #7cc7ff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: linear-gradient(180deg, var(--bg), #11182b);
  color: var(--text);
}

.shell {
  max-width: 1080px;
  margin: 0 auto;
  padding: 32px 20px 48px;
}

.shell-login {
  min-height: 100vh;
  display: grid;
  place-items: center;
}

.page-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 24px;
}

.panel {
  background: rgba(18, 26, 48, 0.92);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.18);
  margin-bottom: 16px;
}

.login-panel {
  width: min(520px, 100%);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.82rem;
}

h1, h2 {
  margin-top: 0;
}

.lead {
  margin-top: 0;
  color: var(--muted);
  line-height: 1.6;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}

.stack,
.field,
.actions {
  display: grid;
  gap: 12px;
}

.actions {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  align-items: stretch;
}

.field span,
.meta-list dt {
  color: var(--muted);
  font-size: 0.95rem;
}

input {
  min-height: 48px;
  width: 100%;
  padding: 0 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.18);
  color: var(--text);
}

.button {
  min-height: 48px;
  border: 1px solid var(--border);
  background: var(--panel-soft);
  color: var(--text);
  border-radius: 10px;
  padding: 10px 14px;
  font: inherit;
  cursor: pointer;
}

.button:hover {
  border-color: var(--link);
}

.button-primary {
  background: #20345c;
}

.button-danger {
  border-color: #6b2d2d;
}

.flash {
  margin-bottom: 16px;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
}

.flash-success {
  background: rgba(46, 125, 50, 0.18);
  border-color: rgba(126, 231, 135, 0.4);
}

.flash-error {
  background: rgba(139, 36, 36, 0.18);
  border-color: rgba(255, 123, 114, 0.45);
}

.note-block {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  color: var(--muted);
}

.meta-list {
  margin: 0;
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 8px 12px;
}

.meta-list dd {
  margin: 0;
  word-break: break-word;
}

pre {
  margin: 0;
  padding: 14px;
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.24);
  border: 1px solid var(--border);
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
  line-height: 1.5;
}

@media (max-width: 720px) {
  .page-header {
    grid-template-columns: 1fr;
    display: grid;
  }
}