/* Backup Control Plane - design system. Self-contained, no CDN/build step. */

:root {
  --bg: #f7f8fa;
  --surface: #ffffff;
  --surface-2: #f1f3f6;
  --border: #e2e5ea;
  --text: #171a21;
  --text-muted: #5b6270;
  --text-faint: #8a90a0;
  --accent: #2f5fff;
  --accent-hover: #2748cc;
  --accent-soft: #eaefff;
  --success: #17825a;
  --success-soft: #e4f7ee;
  --warning: #a05a00;
  --warning-soft: #fff3e0;
  --danger: #c02b3c;
  --danger-soft: #fdeaec;
  --offline: #6b7280;
  --offline-soft: #eef0f2;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(20, 22, 30, 0.05), 0 4px 16px rgba(20, 22, 30, 0.04);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #10121a;
    --surface: #171a24;
    --surface-2: #1e222e;
    --border: #2a2e3c;
    --text: #eef0f6;
    --text-muted: #a4aabb;
    --text-faint: #6f7688;
    --accent: #6284ff;
    --accent-hover: #7d99ff;
    --accent-soft: #1c2440;
    --success: #3ecf8e;
    --success-soft: #10281f;
    --warning: #f0a742;
    --warning-soft: #2c2211;
    --danger: #f2687a;
    --danger-soft: #2c1519;
    --offline: #8890a0;
    --offline-soft: #22242e;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px rgba(0, 0, 0, 0.35);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.5;
}

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

h1, h2, h3, h4 { margin: 0 0 .5rem; font-weight: 650; letter-spacing: -0.01em; }
h1 { font-size: 1.6rem; }
h2 { font-size: 1.25rem; }
h3 { font-size: 1.05rem; }
p { margin: 0 0 1rem; color: var(--text-muted); }

/* ---------- Layout ---------- */

.app-shell { min-height: 100vh; display: flex; flex-direction: column; }

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 1.5rem; height: 56px;
  background: var(--surface); border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10;
}
.topbar-brand { display: flex; align-items: center; gap: .6rem; font-weight: 700; font-size: 1rem; color: var(--text); }
.topbar-brand .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); }
.topbar-nav { display: flex; gap: 1.25rem; align-items: center; }
.topbar-nav a { color: var(--text-muted); font-size: .88rem; font-weight: 550; padding: .4rem 0; }
.topbar-nav a.active, .topbar-nav a:hover { color: var(--text); }
.topbar-user { display: flex; align-items: center; gap: .75rem; font-size: .85rem; color: var(--text-muted); }

.page { max-width: 1080px; margin: 0 auto; padding: 2rem 1.5rem 4rem; width: 100%; flex: 1; }
.page-header { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 1.5rem; gap: 1rem; }
.page-header .subtitle { margin-top: -.25rem; }

.center-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 2rem; }

/* ---------- Cards & grid ---------- */

.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.25rem 1.4rem; box-shadow: var(--shadow);
}
.card + .card { margin-top: 1rem; }
.card-title { display: flex; align-items: center; justify-content: space-between; margin-bottom: .9rem; }

.grid { display: grid; gap: 1rem; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 720px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.stat-card { padding: 1.1rem 1.3rem; }
.stat-card .stat-value { font-size: 1.7rem; font-weight: 700; }
.stat-card .stat-label { color: var(--text-faint); font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; }

/* ---------- Forms ---------- */

label { display: block; font-size: .82rem; font-weight: 600; margin: 0 0 .35rem; color: var(--text); }
.field { margin-bottom: 1.1rem; }
.field .hint { font-size: .78rem; color: var(--text-faint); margin-top: .3rem; }

input[type=text], input[type=email], input[type=password], input[type=number],
input[type=url], textarea, select {
  width: 100%; padding: .55rem .7rem; border-radius: 8px; border: 1px solid var(--border);
  background: var(--surface-2); color: var(--text); font-family: var(--font); font-size: .88rem;
}
input:focus, textarea:focus, select:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft);
}
textarea { min-height: 90px; resize: vertical; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }

.checkbox-row { display: flex; align-items: center; gap: .5rem; }
.checkbox-row input { width: auto; }
.checkbox-row label { margin: 0; }

fieldset { border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem 1.1rem; margin: 0 0 1.1rem; }
legend { font-weight: 650; font-size: .85rem; padding: 0 .3rem; }

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex; align-items: center; gap: .4rem; justify-content: center;
  padding: .55rem 1rem; border-radius: 8px; border: 1px solid transparent;
  font-size: .85rem; font-weight: 600; cursor: pointer; font-family: var(--font);
  text-decoration: none;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-secondary { background: var(--surface-2); color: var(--text); border-color: var(--border); }
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }
.btn-danger { background: var(--danger-soft); color: var(--danger); }
.btn-danger:hover { background: var(--danger); color: #fff; }
.btn-block { width: 100%; }
.btn-sm { padding: .35rem .65rem; font-size: .78rem; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

.actions-row { display: flex; gap: .6rem; margin-top: 1.25rem; flex-wrap: wrap; }

/* ---------- Status pills ---------- */

.pill {
  display: inline-flex; align-items: center; gap: .35rem; padding: .2rem .6rem;
  border-radius: 999px; font-size: .74rem; font-weight: 650; text-transform: capitalize;
}
.pill::before { content: ""; width: 6px; height: 6px; border-radius: 50%; }
.pill-healthy { background: var(--success-soft); color: var(--success); }
.pill-healthy::before { background: var(--success); }
.pill-warning { background: var(--warning-soft); color: var(--warning); }
.pill-warning::before { background: var(--warning); }
.pill-quarantined { background: var(--danger-soft); color: var(--danger); }
.pill-quarantined::before { background: var(--danger); }
.pill-offline, .pill-unknown { background: var(--offline-soft); color: var(--offline); }
.pill-offline::before, .pill-unknown::before { background: var(--offline); }
.pill-success { background: var(--success-soft); color: var(--success); }
.pill-success::before { background: var(--success); }
.pill-failed { background: var(--danger-soft); color: var(--danger); }
.pill-failed::before { background: var(--danger); }

/* ---------- Tables ---------- */

table { width: 100%; border-collapse: collapse; font-size: .86rem; }
th { text-align: left; color: var(--text-faint); font-size: .74rem; text-transform: uppercase; letter-spacing: .03em;
     padding: .5rem .6rem; border-bottom: 1px solid var(--border); }
td { padding: .65rem .6rem; border-bottom: 1px solid var(--border); vertical-align: middle; }
tr:last-child td { border-bottom: none; }
.table-empty { color: var(--text-faint); padding: 2rem; text-align: center; }

/* ---------- Wizard ---------- */

.wizard-steps { display: flex; gap: .5rem; margin-bottom: 1.75rem; }
.wizard-step {
  flex: 1; text-align: center; padding: .5rem 0; border-bottom: 3px solid var(--border);
  color: var(--text-faint); font-size: .78rem; font-weight: 650; text-transform: uppercase; letter-spacing: .03em;
}
.wizard-step.active { color: var(--accent); border-color: var(--accent); }
.wizard-step.done { color: var(--success); border-color: var(--success); }
.wizard-card { max-width: 520px; margin: 0 auto; }
.wizard-choice {
  display: block; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1rem 1.1rem; margin-bottom: .75rem; cursor: pointer; background: var(--surface);
}
.wizard-choice:hover { border-color: var(--accent); }
.wizard-choice input { display: none; }
.wizard-choice.selected { border-color: var(--accent); background: var(--accent-soft); }
.wizard-choice .choice-title { font-weight: 650; margin-bottom: .2rem; }
.wizard-choice .choice-desc { color: var(--text-muted); font-size: .82rem; }

/* ---------- Misc ---------- */

.code-block {
  background: #0d1017; color: #d6e0ff; border-radius: 8px; padding: 1rem 1.1rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .82rem; overflow-x: auto;
  white-space: pre-wrap; word-break: break-all; position: relative;
}
.copy-btn { position: absolute; top: .5rem; right: .5rem; }

.flash-list { margin-bottom: 1rem; }
.flash { padding: .65rem 1rem; border-radius: 8px; font-size: .85rem; margin-bottom: .5rem; }
.flash-info { background: var(--accent-soft); color: var(--accent); }
.flash-success { background: var(--success-soft); color: var(--success); }
.flash-error { background: var(--danger-soft); color: var(--danger); }

.empty-state { text-align: center; padding: 3rem 1.5rem; color: var(--text-faint); }
.text-muted { color: var(--text-muted); }
.text-faint { color: var(--text-faint); }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.section-gap { margin-top: 2rem; }