/* dnsmanager — the whole stylesheet.
 *
 * Every colour, font and radius comes from a CSS custom property that the
 * active theme sets (see apps.core.models.Branding). Nothing here hard-codes
 * a brand, which is what makes rebranding an afternoon in the appearance
 * editor rather than a fork.
 */

*, *::before, *::after { box-sizing: border-box; }

:root {
  --color-bg: #ffffff;
  --color-surface: #f6f6f6;
  --color-text: #111111;
  --color-muted: #6b6b6b;
  --color-accent: #111111;
  --color-accent-text: #ffffff;
  --color-border: #dcdcdc;
  --color-success: #1f7a4d;
  --color-warning: #a86400;
  --color-danger: #b3261e;
  --font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --heading-transform: uppercase;
  --heading-letter-spacing: 0.08em;
  --radius: 0px;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

html, body { margin: 0; padding: 0; }

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-family);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; border-bottom: 1px solid currentColor; }
a:hover { opacity: 0.7; }
a.plain { border-bottom: none; }

h1, h2, h3 {
  text-transform: var(--heading-transform);
  letter-spacing: var(--heading-letter-spacing);
  font-weight: 600;
  margin: 0 0 var(--space-4);
}
h1 { font-size: 1.5rem; }
h2 { font-size: 1.05rem; }
h3 { font-size: 0.9rem; }

.muted { color: var(--color-muted); }
.small { font-size: 0.85rem; }
.mono { font-family: var(--mono); font-size: 0.9em; }
.right { text-align: right; }
.nowrap { white-space: nowrap; }
.stack > * + * { margin-top: var(--space-4); }
.row { display: flex; gap: var(--space-4); align-items: center; flex-wrap: wrap; }
.row.between { justify-content: space-between; }
.grow { flex: 1 1 auto; }

/* ── Layout ───────────────────────────────────────────────────────────── */

.masthead {
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-4) var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-8);
  flex-wrap: wrap;
}

.wordmark {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  border-bottom: none;
}
.wordmark img { max-height: 34px; width: auto; display: block; }

nav.main { display: flex; gap: var(--space-6); flex-wrap: wrap; }
nav.main a {
  border-bottom: 2px solid transparent;
  padding-bottom: 2px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.78rem;
}
nav.main a.active { border-bottom-color: var(--color-accent); }

main { padding: var(--space-8) var(--space-6) var(--space-12); max-width: 1400px; margin: 0 auto; }

.page-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}

footer.site {
  border-top: 1px solid var(--color-border);
  padding: var(--space-4) var(--space-6);
  color: var(--color-muted);
  font-size: 0.8rem;
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* ── Surfaces ─────────────────────────────────────────────────────────── */

.card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-6);
  background: var(--color-bg);
}
.card + .card { margin-top: var(--space-6); }
.card.subtle { background: var(--color-surface); }
.card h2:first-child, .card h3:first-child { margin-top: 0; }

.grid { display: grid; gap: var(--space-6); }
.grid.two { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.grid.stats { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }

.stat .value { font-size: 1.8rem; font-weight: 600; }
.stat .label { color: var(--color-muted); text-transform: uppercase;
               letter-spacing: 0.08em; font-size: 0.72rem; }

/* ── Tables ───────────────────────────────────────────────────────────── */

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: var(--space-3) var(--space-3); vertical-align: top; }
th {
  border-bottom: 1px solid var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.72rem;
  white-space: nowrap;
}
td { border-bottom: 1px solid var(--color-border); }
tbody tr:hover { background: var(--color-surface); }
td.actions { white-space: nowrap; text-align: right; }

.type-tag {
  display: inline-block;
  border: 1px solid var(--color-border);
  padding: 0 var(--space-2);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  font-family: var(--mono);
}

/* ── Forms ────────────────────────────────────────────────────────────── */

label { display: block; font-weight: 600; font-size: 0.8rem;
        text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: var(--space-1); }

input[type="text"], input[type="password"], input[type="email"], input[type="number"],
input[type="datetime-local"], input[type="search"], select, textarea {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg);
  color: var(--color-text);
  font: inherit;
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
  border-color: var(--color-accent);
}
input[type="color"] { width: 4rem; height: 2.2rem; padding: 2px; }
textarea { resize: vertical; }

.field { margin-bottom: var(--space-4); }
.field .help { color: var(--color-muted); font-size: 0.8rem; margin-top: var(--space-1); }
.field .errors { color: var(--color-danger); font-size: 0.82rem; margin-top: var(--space-1); }
.field-row { display: grid; gap: var(--space-4); grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

.checkbox { display: flex; gap: var(--space-2); align-items: flex-start; }
.checkbox input { margin-top: 0.3rem; }
.checkbox label { text-transform: none; letter-spacing: 0; font-weight: 400; }

/* Tooltip: the longer explanation, out of the way until asked for. */
.tip { position: relative; display: inline-block; margin-left: var(--space-1); cursor: help;
       border-bottom: none; }
.tip .marker {
  display: inline-flex; align-items: center; justify-content: center;
  width: 1rem; height: 1rem; border: 1px solid var(--color-muted);
  border-radius: 50%; font-size: 0.66rem; color: var(--color-muted);
}
.tip .bubble {
  visibility: hidden; opacity: 0;
  position: absolute; z-index: 20; left: 0; top: 1.4rem; width: 22rem; max-width: 60vw;
  background: var(--color-text); color: var(--color-bg);
  padding: var(--space-3); font-size: 0.8rem; line-height: 1.45;
  text-transform: none; letter-spacing: 0; font-weight: 400;
  transition: opacity 0.12s ease-in-out;
}
.tip:hover .bubble, .tip:focus .bubble { visibility: visible; opacity: 1; }

/* ── Buttons ──────────────────────────────────────────────────────────── */

.btn {
  display: inline-block;
  border: 1px solid var(--color-accent);
  background: var(--color-accent);
  color: var(--color-accent-text);
  padding: var(--space-2) var(--space-4);
  font: inherit;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-radius: var(--radius);
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { opacity: 0.85; }
.btn.secondary { background: transparent; color: var(--color-text); border-color: var(--color-border); }
.btn.danger { background: var(--color-danger); border-color: var(--color-danger); color: #fff; }
.btn.small { padding: 2px var(--space-2); font-size: 0.72rem; letter-spacing: 0.06em; }
.btn[disabled] { opacity: 0.4; cursor: not-allowed; }

/* ── Messages and states ──────────────────────────────────────────────── */

.messages { margin-bottom: var(--space-6); }
.message {
  border-left: 3px solid var(--color-border);
  background: var(--color-surface);
  padding: var(--space-3) var(--space-4);
  margin-bottom: var(--space-2);
}
.message.success { border-left-color: var(--color-success); }
.message.warning { border-left-color: var(--color-warning); }
.message.error { border-left-color: var(--color-danger); }
.message.info { border-left-color: var(--color-accent); }

.badge {
  display: inline-block; padding: 0 var(--space-2); font-size: 0.7rem;
  text-transform: uppercase; letter-spacing: 0.08em; border: 1px solid currentColor;
}
.badge.ok { color: var(--color-success); }
.badge.warn { color: var(--color-warning); }
.badge.danger { color: var(--color-danger); }
.badge.muted { color: var(--color-muted); }

.empty { padding: var(--space-12) var(--space-4); text-align: center; color: var(--color-muted); }

.diff-add { color: var(--color-success); }
.diff-remove { color: var(--color-danger); }
.diff pre { background: var(--color-surface); padding: var(--space-4); overflow-x: auto; }

.steps { list-style: none; padding: 0; margin: 0; }
.steps li { padding: var(--space-3) 0; border-bottom: 1px solid var(--color-border); }
.steps li.done { color: var(--color-muted); }
.steps li.current { font-weight: 600; }

/* ── Sign-in ──────────────────────────────────────────────────────────── */

.login-shell {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  padding: var(--space-6);
}
.login-card { width: 100%; max-width: 26rem; }
.login-card .wordmark { display: block; text-align: center; margin-bottom: var(--space-8); }
.provider-list { display: grid; gap: var(--space-2); margin-top: var(--space-4); }
.divider { display: flex; align-items: center; gap: var(--space-3); color: var(--color-muted);
           font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.1em;
           margin: var(--space-6) 0; }
.divider::before, .divider::after { content: ""; flex: 1; border-top: 1px solid var(--color-border); }

@media (max-width: 640px) {
  .masthead { gap: var(--space-4); }
  main { padding: var(--space-6) var(--space-4); }
  .page-head { align-items: flex-start; flex-direction: column; }
}