/* NordCaptcha Dashboard — High-contrast brutalist aesthetic.
 * Sharp borders, no rounding, monospace everything, maximum clarity.
 */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-family: var(--nc-type-family);
  font-size: 14px;
  line-height: var(--nc-type-leading);
  letter-spacing: var(--nc-type-tracking);
  color: var(--nc-color-ink);
  background: var(--nc-color-bg);
  -webkit-font-smoothing: auto;
}

body { min-height: 100vh; display: flex; flex-direction: column; }

a { color: var(--nc-color-ink); }

/* ── Nav ─────────────────────────────────────────────────────────── */
.nc-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--nc-space-3) var(--nc-space-5);
  border-bottom: 2px solid var(--nc-color-line);
  background: var(--nc-color-surface);
}
.nc-nav-brand {
  font-size: var(--nc-type-size-4);
  font-weight: 700;
  text-decoration: none;
  color: var(--nc-color-ink);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.nc-brand-accent { color: var(--nc-color-accent); }
.nc-nav-links { display: flex; gap: var(--nc-space-4); align-items: center; }
.nc-nav-link {
  font-size: var(--nc-type-size-2);
  text-decoration: none;
  color: var(--nc-color-ink);
  padding: var(--nc-space-1) 0;
  border-bottom: 2px solid transparent;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 500;
}
.nc-nav-link:hover,
.nc-nav-link.active {
  border-bottom-color: var(--nc-color-ink);
}
.nc-nav-link.nc-muted {
  color: var(--nc-color-muted);
}
.nc-nav-link.nc-muted:hover {
  color: var(--nc-color-ink);
  border-bottom-color: var(--nc-color-ink);
}
.nc-theme-toggle {
  background: none;
  border: none;
  color: var(--nc-color-ink);
  font-size: 16px;
  cursor: pointer;
  padding: 0;
  line-height: 1;
  opacity: 0.7;
}
.nc-theme-toggle:hover {
  opacity: 1;
}

/* ── Main ────────────────────────────────────────────────────────── */
.nc-main {
  flex: 1;
  max-width: 900px;
  width: 100%;
  margin: 0 auto;
  padding: var(--nc-space-6) var(--nc-space-5);
  display: flex;
  flex-direction: column;
}

/* ── Card ────────────────────────────────────────────────────────── */
.nc-card {
  background: var(--nc-color-surface);
  border: 2px solid var(--nc-color-line);
  padding: var(--nc-space-5);
}
.nc-card-narrow { max-width: 480px; margin: 0 auto; }
.nc-center {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  min-height: 100%;
}
.nc-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--nc-space-5);
  padding-bottom: var(--nc-space-3);
  border-bottom: 1px solid var(--nc-color-line);
}

/* ── Typography ──────────────────────────────────────────────────── */
.nc-h1 {
  font-size: var(--nc-type-size-6);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.nc-h2 {
  font-size: var(--nc-type-size-4);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-top: var(--nc-space-5);
  margin-bottom: var(--nc-space-3);
  padding-bottom: var(--nc-space-2);
  border-bottom: 1px solid var(--nc-color-line);
}
.nc-h3 {
  font-size: var(--nc-type-size-3);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-top: var(--nc-space-4);
  margin-bottom: var(--nc-space-2);
}
.nc-muted { color: var(--nc-color-muted); }
.nc-danger { color: var(--nc-color-danger); }


/* ── Breadcrumb ──────────────────────────────────────────────────── */
.nc-breadcrumb {
  font-size: var(--nc-type-size-2);
  color: var(--nc-color-muted);
  margin-bottom: var(--nc-space-3);
}
.nc-breadcrumb a {
  color: var(--nc-color-muted);
  text-decoration: none;
}
.nc-breadcrumb a:hover {
  color: var(--nc-color-ink);
  text-decoration: underline;
}

/* ── Forms ────────────────────────────────────────────────────────── */
.nc-form { display: flex; flex-direction: column; gap: var(--nc-space-5); }
.nc-field { display: flex; flex-direction: column; gap: var(--nc-space-1); }
.nc-field label {
  font-size: var(--nc-type-size-2);
  font-weight: 600;
  color: var(--nc-color-ink);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.nc-input, .nc-select {
  font-family: var(--nc-type-family);
  font-size: var(--nc-type-size-3);
  padding: var(--nc-space-2) var(--nc-space-3);
  border: 2px solid var(--nc-color-line);
  background: var(--nc-color-bg);
  color: var(--nc-color-ink);
  outline: none;
}
.nc-input:focus, .nc-select:focus {
  border-color: var(--nc-color-ink);
  box-shadow: 0 0 0 1px var(--nc-color-ink);
}
.nc-hint {
  font-size: var(--nc-type-size-1);
  color: var(--nc-color-muted);
}
/* Guide-scoped vertical rhythm (kept off shared .nc-hint/.nc-card used by forms). */
.nc-guide .nc-hint { margin-bottom: var(--nc-space-3); }   /* breathing room below intros */
.nc-guide .nc-tabs { margin-top: var(--nc-space-3); }      /* separate snippet from its hint */
.nc-guide .nc-table { margin-top: var(--nc-space-3); }     /* even gap above the table */
.nc-error {
  font-size: var(--nc-type-size-2);
  color: var(--nc-color-danger);
  font-weight: 600;
}

/* ── Buttons ─────────────────────────────────────────────────────── */
.nc-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1.2;
  font-family: var(--nc-type-family);
  font-size: var(--nc-type-size-2);
  font-weight: 600;
  padding: var(--nc-space-2) var(--nc-space-4);
  border: 2px solid var(--nc-color-accent);
  background: transparent;
  color: var(--nc-color-accent);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: box-shadow 0.2s ease, background 0.2s ease;
}
.nc-btn:hover {
  background: var(--nc-color-accent);
  color: var(--nc-color-accent-fg);
  box-shadow: 0 0 12px var(--nc-color-accent), 0 0 24px rgba(39, 204, 245, 0.3);
}
.nc-btn-ghost {
  background: transparent;
  color: var(--nc-color-ink);
  border-color: var(--nc-color-line);
}
.nc-btn-ghost:hover {
  background: var(--nc-color-ink);
  color: var(--nc-color-surface);
  box-shadow: 0 0 12px var(--nc-color-ink), 0 0 24px rgba(255, 255, 255, 0.15);
}
.nc-btn-warn {
  color: var(--nc-color-warn);
  border-color: var(--nc-color-warn);
  background: transparent;
}
.nc-btn-warn:hover {
  background: var(--nc-color-warn);
  color: var(--nc-color-surface);
  box-shadow: 0 0 12px var(--nc-color-warn), 0 0 24px rgba(153, 102, 0, 0.3);
}
.nc-btn-danger {
  color: var(--nc-color-danger);
  border-color: var(--nc-color-danger);
  background: transparent;
}
.nc-btn-danger:hover {
  background: var(--nc-color-danger);
  color: #fff;
  box-shadow: 0 0 12px var(--nc-color-danger), 0 0 24px rgba(204, 0, 0, 0.3);
}
.nc-btn-sm {
  font-size: var(--nc-type-size-1);
  padding: 2px var(--nc-space-2);
}

.nc-actions { display: flex; gap: var(--nc-space-3); align-items: center; flex-wrap: wrap; }
.nc-mt { margin-top: var(--nc-space-5); }

/* Radio cards (challenge mode) */
.nc-mode-field { display: flex; flex-direction: column; gap: var(--nc-space-2); }
.nc-field-label {
  font-size: var(--nc-type-size-2);
  font-weight: 600;
  color: var(--nc-color-ink);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.nc-mode-cards { display: grid; gap: var(--nc-space-3); }
.nc-mode-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2px var(--nc-space-3);
  padding: var(--nc-space-3);
  border: 2px solid var(--nc-color-line);
  cursor: pointer;
}
.nc-mode-card:has(input:checked) { border-color: var(--nc-color-accent); }
.nc-mode-card input { grid-row: 1 / span 2; align-self: center; }
.nc-mode-card-title { font-weight: 600; }
.nc-mode-card-desc { grid-column: 2; color: var(--nc-color-muted); font-size: var(--nc-type-size-1); }

/* Colour inputs (theme builder) */
.nc-color {
  width: 100%;
  height: 34px;
  padding: 2px;
  border: 2px solid var(--nc-color-line);
  background: var(--nc-color-bg);
  cursor: pointer;
}
.nc-color:focus {
  outline: none;
  border-color: var(--nc-color-ink);
  box-shadow: 0 0 0 1px var(--nc-color-ink);
}
.nc-field-inline label {
  display: flex;
  align-items: center;
  gap: var(--nc-space-2);
  text-transform: none;
  letter-spacing: 0;
}

/* ── Theme builder ───────────────────────────────────────────────── */
.nc-theme-builder {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--nc-space-5);
  align-items: start;
}
.nc-color-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--nc-space-3);
}
.nc-preview-panel {
  position: sticky;
  top: var(--nc-space-4);
  display: flex;
  flex-direction: column;
  gap: var(--nc-space-2);
}
.nc-preview {
  --pv-bg: #FFFFFF;
  --pv-surface: #FFFFFF;
  --pv-ink: #000000;
  --pv-accent: #00BFFF;
  --pv-border: #000000;
  --pv-radius: 0px;
  --pv-border-width: 2px;
  --pv-size: 15px;
  --pv-font: "SF Mono", monospace;
  --pv-width: 300px;
  border: 1px dashed var(--nc-color-muted);
  padding: var(--nc-space-5);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--nc-space-4);
  overflow-x: auto;
}
.nc-pv-anchor {
  width: var(--pv-width);
  max-width: 100%;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  gap: 12px;
  position: relative;
  padding: 12px 14px;
  background: var(--pv-bg);
  color: var(--pv-ink);
  border: var(--pv-border-width) solid var(--pv-border);
  border-radius: var(--pv-radius);
  font-family: var(--pv-font);
  font-size: var(--pv-size);
}
.nc-pv-check {
  width: 26px;
  height: 26px;
  flex: 0 0 26px;
  box-sizing: border-box;
  background: var(--pv-accent);
  border: var(--pv-border-width) solid var(--pv-border);
  border-radius: var(--pv-radius);
}
.nc-pv-label { font-weight: 600; text-transform: uppercase; letter-spacing: 0.02em; }
.nc-pv-brand {
  position: absolute;
  right: 8px;
  bottom: 4px;
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #999999;
  font-family: var(--pv-font);
}
.nc-pv-popup {
  width: var(--pv-width);
  max-width: 100%;
  box-sizing: border-box;
  background: var(--pv-surface);
  color: var(--pv-ink);
  border: var(--pv-border-width) solid var(--pv-border);
  border-radius: var(--pv-radius);
  padding: 12px;
  font-family: var(--pv-font);
  font-size: var(--pv-size);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.nc-pv-popup-head { font-weight: 600; }
.nc-pv-popup-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}
.nc-pv-popup-grid span {
  aspect-ratio: 1 / 1;
  background: var(--pv-bg);
  border: 1px solid var(--pv-border);
  border-radius: var(--pv-radius);
}
.nc-pv-popup-actions { display: flex; justify-content: flex-end; }
.nc-pv-btn {
  padding: 6px 14px;
  background: var(--pv-accent);
  color: var(--pv-bg);
  border-radius: var(--pv-radius);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: calc(var(--pv-size) - 2px);
}

/* Theme swatch (list) */
.nc-swatch { display: inline-flex; vertical-align: middle; margin-right: var(--nc-space-2); border: 1px solid var(--nc-color-line); }
.nc-swatch-chip { width: 14px; height: 14px; display: inline-block; }

@media (max-width: 720px) {
  .nc-theme-builder { grid-template-columns: 1fr; }
  .nc-preview-panel { position: static; }
}

/* ── Tables ──────────────────────────────────────────────────────── */
.nc-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--nc-type-size-2);
}
.nc-table th, .nc-table td {
  text-align: left;
  padding: var(--nc-space-2) var(--nc-space-3);
  border-bottom: 1px solid var(--nc-color-line);
}
.nc-table th {
  color: var(--nc-color-ink);
  font-weight: 700;
  font-size: var(--nc-type-size-1);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-bottom-width: 2px;
}
.nc-table tbody tr { cursor: pointer; }
.nc-table tbody tr:hover {
  background: var(--nc-color-bg);
}
.nc-table-sm td, .nc-table-sm th {
  padding: var(--nc-space-1) var(--nc-space-2);
  font-size: var(--nc-type-size-1);
}
.nc-table-sm tbody tr { cursor: default; }

/* ── Definition list ─────────────────────────────────────────────── */
.nc-dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--nc-space-2) var(--nc-space-5);
  font-size: var(--nc-type-size-2);
}
.nc-dl dt {
  color: var(--nc-color-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: var(--nc-type-size-1);
  padding-top: 2px;
}
.nc-dl dd { word-break: break-all; }

/* ── Code / keys ─────────────────────────────────────────────────── */
code, .nc-key {
  font-family: var(--nc-type-family);
  font-size: 0.95em;
  background: var(--nc-color-bg);
  padding: 1px 4px;
  border: 1px solid var(--nc-color-line);
}
.nc-key-lg {
  font-size: var(--nc-type-size-2);
  display: inline-block;
  padding: var(--nc-space-1) var(--nc-space-2);
}
.nc-clickable-key {
  cursor: pointer;
  position: relative;
}
.nc-clickable-key:hover {
  background: var(--nc-color-ink);
  color: var(--nc-color-surface);
}
.nc-secret {
  filter: blur(4px);
  transition: filter var(--nc-motion-ms-base) var(--nc-motion-easing);
  cursor: pointer;
}
.nc-secret:hover, .nc-secret:focus { filter: none; }

.nc-code {
  display: block;
  background: var(--nc-color-bg);
  border: 2px solid var(--nc-color-line);
  padding: var(--nc-space-3);
  font-family: var(--nc-type-family);
  font-size: var(--nc-type-size-1);
  overflow-x: auto;
  white-space: pre;
  transition: border-color 0.5s ease;
}
.nc-code.nc-copied {
  border-color: var(--nc-color-success);
  transition: none;
}
.nc-code-wrap {
  position: relative;
}
.nc-copied-toast {
  position: absolute;
  top: var(--nc-space-2);
  right: var(--nc-space-3);
  font-family: var(--nc-type-family);
  font-size: var(--nc-type-size-1);
  font-weight: 700;
  color: var(--nc-color-success);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}
.nc-copied-toast.nc-toast-show {
  opacity: 1;
}

/* ── Copybox component ───────────────────────────────────────────── */
.nc-copybox {
  cursor: pointer;
  position: relative;
  border: 2px solid var(--nc-color-line);
  padding: var(--nc-space-2) var(--nc-space-3);
  background: var(--nc-color-bg);
  transition: border-color 0.5s ease;
  margin-bottom: var(--nc-space-3);
}
.nc-copybox:hover {
  background: var(--nc-color-surface);
}
.nc-copybox.nc-copybox--copied {
  border-color: var(--nc-color-success);
  transition: none;
}
.nc-copybox-label {
  font-size: var(--nc-type-size-1);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--nc-color-muted);
  margin-bottom: var(--nc-space-1);
}
.nc-copybox-body {
  display: block;
  position: relative;
}
.nc-copybox-value {
  font-family: var(--nc-type-family);
  font-size: var(--nc-type-size-2);
  word-break: break-all;
  white-space: pre-wrap;
  background: none;
  border: none;
  padding: 0;
  padding-right: var(--nc-space-5);
  margin: 0;
  min-width: 0;
}
.nc-copybox-hint {
  font-size: var(--nc-type-size-1);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--nc-color-muted);
  white-space: nowrap;
  opacity: 0.5;
  transition: opacity var(--nc-motion-ms-fast) ease;
  position: absolute;
  top: 0;
  right: 0;
  background: var(--nc-color-bg);
  padding-left: var(--nc-space-2);
  z-index: 1;
}
.nc-copybox:hover .nc-copybox-hint {
  opacity: 1;
  background: var(--nc-color-surface);
}
.nc-copybox--copied .nc-copybox-hint {
  opacity: 1;
  color: var(--nc-color-success);
}
.nc-copybox--secret .nc-copybox-value {
  color: transparent;
  position: relative;
  white-space: nowrap;
  overflow: hidden;
}
.nc-copybox--secret .nc-copybox-value::after {
  content: "****************************************";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--nc-color-ink);
  letter-spacing: 0.1em;
}
.nc-copybox--secret:hover .nc-copybox-value {
  color: inherit;
  white-space: pre-wrap;
}
.nc-copybox--secret:hover .nc-copybox-value::after {
  display: none;
}

/* ── Code language tabs ──────────────────────────────────────────── */
.nc-tabs { margin-bottom: var(--nc-space-4); }
.nc-tabs-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin-bottom: var(--nc-space-2);
  border: 2px solid var(--nc-color-line);
  width: fit-content;
  max-width: 100%;
}
.nc-tab {
  background: var(--nc-color-bg);
  border: 0;
  border-right: 2px solid var(--nc-color-line);
  padding: var(--nc-space-2) var(--nc-space-3);
  font-family: var(--nc-type-family);
  font-size: var(--nc-type-size-1);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--nc-color-muted);
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}
.nc-tab:last-child { border-right: 0; }
.nc-tab:hover {
  color: var(--nc-color-ink);
  background: var(--nc-color-surface);
}
.nc-tab:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 2px var(--nc-color-accent);
}
.nc-tab--active {
  color: var(--nc-color-accent-fg);
  background: var(--nc-color-accent);
}
.nc-tab--active:hover {
  color: var(--nc-color-accent-fg);
  background: var(--nc-color-accent);
}


/* ── Error reference table ───────────────────────────────────────── */
.nc-errcode {
  font-weight: 700;
  color: var(--nc-color-danger);
  white-space: nowrap;
}

/* ── Messages ────────────────────────────────────────────────────── */

.nc-messages { margin-bottom: var(--nc-space-4); }
.nc-msg {
  padding: var(--nc-space-2) var(--nc-space-3);
  font-size: var(--nc-type-size-2);
  font-weight: 600;
  border: 2px solid var(--nc-color-line);
  margin-bottom: var(--nc-space-2);
}
.nc-msg-success {
  border-color: var(--nc-color-success);
  color: var(--nc-color-success);
}
.nc-msg-error {
  border-color: var(--nc-color-danger);
  color: var(--nc-color-danger);
}
.nc-msg-warning {
  border-color: var(--nc-color-warn);
  color: var(--nc-color-warn);
}
.nc-msg-info {
  border-color: var(--nc-color-ink);
  color: var(--nc-color-ink);
}

/* ── Chart ────────────────────────────────────────────────────────── */
.nc-chart-wrap { margin-top: var(--nc-space-3); margin-bottom: var(--nc-space-5); overflow-x: auto; }
.nc-chart { width: 100%; height: 120px; }
.nc-bar-ok { fill: var(--nc-color-ink); opacity: 0.6; }
.nc-bar-ok:hover { opacity: 1; }
.nc-bar-fail { fill: var(--nc-color-ink); opacity: 0.25; }
.nc-bar-fail:hover { opacity: 0.5; }

/* ── Misc ────────────────────────────────────────────────────────── */
.nc-link {
  color: var(--nc-color-ink);
  text-decoration: underline;
  font-weight: 600;
}
.nc-link:hover { text-decoration: none; }
.nc-empty {
  color: var(--nc-color-muted);
  padding: var(--nc-space-5) 0;
  border: 1px dashed var(--nc-color-muted);
  text-align: center;
  margin-top: var(--nc-space-3);
}
.nc-hr {
  border: 0;
  border-top: 2px solid var(--nc-color-line);
  margin: var(--nc-space-5) 0;
}

/* ── Danger zone ─────────────────────────────────────────────────── */
.nc-danger-zone {
  border: 2px solid var(--nc-color-danger);
  padding: var(--nc-space-4);
  margin-top: var(--nc-space-4);
}
.nc-danger-zone .nc-h2 {
  color: var(--nc-color-danger);
  border-bottom-color: var(--nc-color-danger);
  margin-top: 0;
}

/* ── Footer ──────────────────────────────────────────────────────── */
.nc-footer {
  text-align: center;
  padding: var(--nc-space-5);
  font-size: var(--nc-type-size-1);
  color: var(--nc-color-muted);
  border-top: 1px solid var(--nc-color-line);
}

/* ── Responsive ──────────────────────────────────────────────────── */
@media (max-width: 640px) {
  .nc-nav {
    flex-direction: column;
    gap: var(--nc-space-2);
    align-items: flex-start;
  }
  .nc-card { padding: var(--nc-space-3); }
  .nc-main { padding: var(--nc-space-4) var(--nc-space-3); }
  .nc-dl { grid-template-columns: 1fr; gap: var(--nc-space-1); }
  .nc-dl dt { margin-top: var(--nc-space-2); }
  .nc-table { display: block; overflow-x: auto; }
}