/* ===========================================================================
   Experiments dashboard — styles
   Sections: tokens · base · header · layout · buttons · cards/tables · badges
   · forms · detail/results · chart · modal · toasts · skeletons/empty states
   ======================================================================== */

/* ---- design tokens ---- */
:root {
  --accent: #1473e6;
  --accent-hover: #0e63cc;
  --accent-soft: #e8f1fc;
  --ink: #1f2430;
  --ink-2: #4b5263;
  --ink-3: #79808f;
  --bg: #f6f8fa;
  --surface: #ffffff;
  --border: #e3e7ee;
  --border-strong: #cfd5e0;
  --green: #0fa573;
  --green-soft: #e4f6ef;
  --amber: #b56a00;
  --amber-soft: #fdf1de;
  --red: #d7373f;
  --red-soft: #fdebec;
  --purple: #5c5ce0;
  --purple-soft: #ecedfc;
  --gray-soft: #eef0f4;
  --radius: 10px;
  --radius-sm: 7px;
  --shadow-1: 0 1px 2px rgba(31, 36, 48, 0.05), 0 1px 6px rgba(31, 36, 48, 0.04);
  --shadow-2: 0 4px 16px rgba(31, 36, 48, 0.10), 0 1px 4px rgba(31, 36, 48, 0.06);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
    Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", Menlo, Consolas, monospace;
}

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

html { -webkit-text-size-adjust: 100%; }

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

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

.mono { font-family: var(--mono); font-size: 0.92em; }
.mono-sm { font-family: var(--mono); font-size: 12px; }
.muted { color: var(--ink-3); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---- header ---- */
.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 20;
}

.topbar-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.wordmark {
  display: flex;
  align-items: baseline;
  gap: 9px;
  color: var(--ink);
  font-weight: 650;
  font-size: 16px;
  letter-spacing: -0.01em;
}
.wordmark:hover { text-decoration: none; }

.wordmark-mark {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  background: linear-gradient(135deg, var(--accent), #6a39e8);
  align-self: center;
  flex: none;
}

.wordmark-sub {
  font-size: 11px;
  font-weight: 500;
  color: var(--ink-3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.topbar-nav { display: flex; align-items: center; gap: 14px; }
.nav-link { color: var(--ink-2); font-weight: 500; }
.nav-link:hover { color: var(--accent); text-decoration: none; }

/* ---- layout ---- */
.app-main {
  max-width: 1120px;
  margin: 0 auto;
  padding: 28px 24px 80px;
}

.page-narrow { max-width: 780px; }

.page-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.page-title {
  margin: 0;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.015em;
}

.page-sub { margin: 4px 0 0; color: var(--ink-3); }

.back-link {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--ink-3);
  font-size: 13px;
  font-weight: 500;
}
.back-link:hover { color: var(--accent); text-decoration: none; }

.stack { display: flex; flex-direction: column; gap: 18px; }
.stack-sm { display: flex; flex-direction: column; gap: 10px; }
.inline-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

/* ---- buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font: inherit;
  font-weight: 600;
  font-size: 13.5px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 0.15s, border-color 0.15s, color 0.15s, box-shadow 0.15s;
  white-space: nowrap;
}

.btn:disabled { opacity: 0.55; cursor: not-allowed; }

.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--accent-hover); }

.btn-secondary {
  background: var(--surface);
  color: var(--ink);
  border-color: var(--border-strong);
}
.btn-secondary:hover:not(:disabled) { border-color: var(--ink-3); background: #fbfcfe; }

.btn-ghost { background: transparent; color: var(--ink-2); border-color: transparent; }
.btn-ghost:hover:not(:disabled) { background: var(--gray-soft); color: var(--ink); }

.btn-danger { background: var(--red); color: #fff; }
.btn-danger:hover:not(:disabled) { background: #b92a32; }

.btn-danger-ghost { background: transparent; color: var(--red); border-color: var(--border-strong); }
.btn-danger-ghost:hover:not(:disabled) { background: var(--red-soft); border-color: var(--red); }

.btn-sm { padding: 5px 11px; font-size: 12.5px; }

.btn-icon {
  padding: 5px 9px;
  background: transparent;
  color: var(--ink-3);
  border-color: transparent;
  font-size: 12px;
}
.btn-icon:hover:not(:disabled) { color: var(--red); background: var(--red-soft); }

.btn-plus { font-size: 16px; line-height: 1; font-weight: 500; }

/* ---- cards & tables ---- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-1);
  padding: 18px 20px;
}
.card + .card { margin-top: 18px; }

/* Table cards: let the table run edge-to-edge; pad only the heading. */
.table-card { overflow: hidden; padding: 0; }
.table-card > .card-title { padding: 16px 18px 12px; margin: 0; }
.table-card > .table th:first-child,
.table-card > .table td:first-child { padding-left: 18px; }
.table-card > .table th:last-child,
.table-card > .table td:last-child { padding-right: 18px; }

.card-title {
  margin: 0 0 14px;
  font-size: 15px;
  font-weight: 650;
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.card-title-row .card-title { margin-bottom: 0; }
.card-title-row { margin-bottom: 14px; }

.block-title {
  margin: 0 0 8px;
  font-size: 13px;
  font-weight: 650;
  color: var(--ink-2);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.table { width: 100%; border-collapse: collapse; }

.table th {
  text-align: left;
  font-size: 11.5px;
  font-weight: 650;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-3);
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: #fafbfc;
  white-space: nowrap;
}

.table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.table tbody tr:last-child td { border-bottom: none; }
.table td pre { margin: 0; white-space: pre-wrap; word-break: break-word; }
.table td { vertical-align: top; }

.table th.num, .table td.num { text-align: right; font-variant-numeric: tabular-nums; }

.table-compact th, .table-compact td { padding: 8px 12px; }

.table-scroll { overflow-x: auto; }

.row-click { cursor: pointer; transition: background-color 0.12s; }
.row-click:hover { background: #f6f9fe; }

.cell-name { font-weight: 600; }
.cell-key { color: var(--ink-3); font-size: 12px; margin-top: 1px; }
.metric-name { color: var(--ink-2); }

/* ---- badges & chips ---- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 99px;
  white-space: nowrap;
}
.badge-dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

.badge-draft { background: var(--gray-soft); color: var(--ink-2); }
.badge-running { background: var(--green-soft); color: var(--green); }
.badge-paused { background: var(--amber-soft); color: var(--amber); }
.badge-completed { background: var(--purple-soft); color: var(--purple); }

.chip-row { display: inline-flex; gap: 6px; flex-wrap: wrap; align-items: center; }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 550;
  padding: 2px 9px;
  border-radius: 99px;
  background: var(--gray-soft);
  color: var(--ink-2);
  text-transform: capitalize;
}
.chip-muted { background: transparent; border: 1px dashed var(--border-strong); color: var(--ink-3); }
.chip.mono { text-transform: none; }

.chip-swatch {
  display: inline-block;
  width: 9px;
  height: 9px;
  border-radius: 3px;
  margin-right: 7px;
  vertical-align: baseline;
  flex: none;
}

.control-tag, .primary-tag {
  display: inline-block;
  margin-left: 8px;
  font-size: 10.5px;
  font-weight: 650;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 1px 7px;
  border-radius: 4px;
  background: var(--accent-soft);
  color: var(--accent);
}
.control-tag { background: var(--gray-soft); color: var(--ink-3); }

/* ---- forms ---- */
.form-card { padding: 20px 22px; }

.field { margin-bottom: 16px; }
.field:last-child { margin-bottom: 0; }

.label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--ink-2);
}

.input {
  width: 100%;
  font: inherit;
  color: var(--ink);
  padding: 8px 11px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  transition: border-color 0.15s, box-shadow 0.15s;
}
.input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(20, 115, 230, 0.15);
}
.input::placeholder { color: #a4abb8; }

.textarea { resize: vertical; min-height: 56px; }

.select { appearance: auto; }

.hint { margin: 6px 0 0; font-size: 12.5px; color: var(--ink-3); }

.check-row { display: flex; gap: 18px; flex-wrap: wrap; }
.check { display: inline-flex; align-items: center; gap: 7px; cursor: pointer; font-weight: 500; }
.check input { accent-color: var(--accent); width: 15px; height: 15px; cursor: pointer; }

.slider { width: 100%; accent-color: var(--accent); cursor: pointer; }
.slider-value {
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  color: var(--accent);
}

/* variations editor */
.var-head, .var-row {
  display: grid;
  grid-template-columns: 14px 1fr 1fr 130px 34px 60px;
  gap: 10px;
  align-items: center;
}
.var-head {
  font-size: 11px;
  font-weight: 650;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-3);
  margin-bottom: 6px;
}
.var-rows { display: flex; flex-direction: column; gap: 8px; margin-bottom: 10px; }

.var-swatch { width: 10px; height: 10px; border-radius: 3px; }
.swatch-0 { background: #1473e6; }
.swatch-1 { background: #0fa573; }
.swatch-2 { background: #b130bd; }
.swatch-3 { background: #e68619; }
.swatch-4 { background: #d7373f; }
.swatch-5 { background: #5c5ce0; }
.swatch-6 { background: #127e8a; }

.weight-cell { display: flex; align-items: center; gap: 6px; }
.input-weight { text-align: right; font-variant-numeric: tabular-nums; }
.weight-unit { color: var(--ink-3); font-size: 13px; }

.weight-sum {
  font-size: 12.5px;
  font-weight: 650;
  color: var(--green);
  font-variant-numeric: tabular-nums;
}
.weight-sum-bad { color: var(--red); }

.rule-row {
  display: grid;
  grid-template-columns: 1fr 180px 1fr 34px;
  gap: 10px;
  align-items: center;
}

.form-errors {
  background: var(--red-soft);
  border: 1px solid #f3c2c5;
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: #9c2228;
  font-size: 13px;
}
.form-errors ul { margin: 0; padding-left: 18px; }
.form-errors li { margin: 2px 0; }

.form-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding-bottom: 8px;
}

/* ---- detail / results ---- */
.detail-head { padding: 20px 22px; margin-bottom: 18px; }

.detail-head-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  flex-wrap: wrap;
}

.detail-title-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.detail-desc { margin: 6px 0 0; color: var(--ink-2); max-width: 64ch; }
.detail-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 14px 22px;
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.meta-item dt {
  font-size: 11px;
  font-weight: 650;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-3);
  margin-bottom: 3px;
}
.meta-item dd { margin: 0; font-weight: 550; }

.metric-card { padding: 20px 22px; }

.lift { font-weight: 650; font-variant-numeric: tabular-nums; white-space: nowrap; }
.lift-up { color: var(--green); }
.lift-down { color: var(--red); }
.lift-arrow { font-size: 10px; }

.prob-wrap { display: flex; align-items: center; gap: 8px; min-width: 130px; }
.prob-bar {
  flex: 1;
  height: 8px;
  background: var(--gray-soft);
  border-radius: 99px;
  overflow: hidden;
  min-width: 60px;
}
.prob-fill { height: 100%; background: var(--accent); border-radius: 99px; }
.prob-fill-hot { background: var(--green); }
.prob-label { color: var(--ink-2); min-width: 44px; text-align: right; }

.sig {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 650;
  padding: 2px 9px;
  border-radius: 99px;
  white-space: nowrap;
}
.sig-yes { background: var(--green-soft); color: var(--green); }
.sig-no { background: var(--gray-soft); color: var(--ink-3); }
.sig-low { background: var(--amber-soft); color: var(--amber); }

.platform-details { margin-top: 16px; border-top: 1px solid var(--border); padding-top: 12px; }
.platform-details summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 13px;
  color: var(--ink-2);
  user-select: none;
}
.platform-details summary:hover { color: var(--accent); }
.platform-tables { margin-top: 12px; }

.refresh-note { color: var(--ink-3); font-size: 12.5px; text-align: center; margin: 4px 0 0; }

/* ---- chart ---- */
.chart-block { margin-top: 18px; }
.chart-wrap { width: 100%; }
.ts-chart { width: 100%; height: auto; display: block; }

.ts-grid { stroke: var(--border); stroke-width: 1; }
.ts-axis { stroke: var(--border-strong); stroke-width: 1; }
.ts-tick { stroke: var(--border-strong); stroke-width: 1; }
.ts-label { fill: var(--ink-3); font-size: 11px; font-family: var(--font); }

.chart-legend {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  margin-top: 8px;
  justify-content: center;
}
.legend-item {
  display: inline-flex;
  align-items: center;
  font-size: 12.5px;
  color: var(--ink-2);
  font-weight: 550;
}

/* ---- modal ---- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(24, 28, 38, 0.45);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 12vh 20px 20px;
  z-index: 100;
  animation: fade-in 0.15s ease-out;
}

.modal-card {
  background: var(--surface);
  border-radius: 12px;
  box-shadow: var(--shadow-2);
  width: 100%;
  max-width: 440px;
  padding: 22px 24px;
  animation: pop-in 0.18s ease-out;
}

.modal-title { margin: 0 0 10px; font-size: 16px; font-weight: 700; }
.modal-text { margin: 0 0 8px; color: var(--ink-2); }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }

@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes pop-in {
  from { opacity: 0; transform: translateY(-8px) scale(0.98); }
  to { opacity: 1; transform: none; }
}

/* ---- toasts ---- */
.toasts {
  position: fixed;
  bottom: 22px;
  right: 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 200;
  max-width: 380px;
}

.toast {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #23283a;
  color: #f2f4f8;
  padding: 11px 16px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-2);
  font-size: 13.5px;
  animation: toast-in 0.22s ease-out;
}
.toast-out { opacity: 0; transform: translateY(6px); transition: opacity 0.3s, transform 0.3s; }

.toast-dot { width: 8px; height: 8px; border-radius: 50%; flex: none; }
.toast-info .toast-dot { background: var(--accent); }
.toast-success .toast-dot { background: var(--green); }
.toast-error .toast-dot { background: var(--red); }

@keyframes toast-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

/* ---- skeletons, spinners, empty states ---- */
.skeleton {
  display: block;
  height: 14px;
  border-radius: 5px;
  background: linear-gradient(90deg, #edf0f4 25%, #f7f9fb 50%, #edf0f4 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
}
@keyframes shimmer {
  from { background-position: 200% 0; }
  to { background-position: -200% 0; }
}

.spinner-wrap { display: flex; flex-direction: column; align-items: center; gap: 12px; padding: 48px 0; }
.spinner {
  width: 26px;
  height: 26px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
.spinner-label { color: var(--ink-3); font-size: 13px; }
@keyframes spin { to { transform: rotate(360deg); } }

.empty-state {
  text-align: center;
  padding: 56px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.empty-icon { font-size: 30px; }
.empty-title { margin: 6px 0 0; font-size: 16px; font-weight: 650; }
.empty-msg { margin: 0 0 12px; color: var(--ink-3); max-width: 44ch; }

/* ---- responsive ---- */
@media (max-width: 720px) {
  .app-main { padding: 20px 14px 60px; }
  .page-head { flex-direction: column; align-items: stretch; }
  .var-head { display: none; }
  .var-row { grid-template-columns: 14px 1fr 1fr 90px 34px 52px; }
  .rule-row { grid-template-columns: 1fr; }
  .meta-grid { grid-template-columns: repeat(2, 1fr); }
}

/* CMS content overrides (create form) */
.override-wrap { margin: 2px 0 10px 22px; }
.override-add { font-size: 12.5px; }
.override-card {
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  padding: 10px 12px;
  margin-bottom: 8px;
  background: var(--gray-soft);
}
.override-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}
.override-title { font-size: 12px; font-weight: 600; color: var(--ink-2); text-transform: uppercase; letter-spacing: 0.04em; }
.override-match-row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 8px; }
.override-field-row { display: grid; grid-template-columns: 1fr 1.4fr 34px; gap: 8px; align-items: center; }

/* ============================================================================
   Variant preview (create form + detail page) — see views/preview.js
   ========================================================================== */

.preview-card .preview-lede { margin: 0 0 14px; }

/* Source selector (segmented toggle + URL / paste) */
.seg-row { display: inline-flex; flex: none; border: 1px solid var(--border-strong); border-radius: var(--radius-sm); overflow: hidden; }
.seg-btn {
  appearance: none;
  border: none;
  background: var(--surface);
  color: var(--ink-2);
  font: inherit;
  font-size: 12.5px;
  font-weight: 550;
  padding: 6px 12px;
  cursor: pointer;
}
.seg-btn + .seg-btn { border-left: 1px solid var(--border-strong); }
.seg-btn:hover { background: var(--gray-soft); }
.seg-btn-active, .seg-btn-active:hover { background: var(--accent); color: #fff; }

.preview-source-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 8px; }
.preview-source-row .preview-url { flex: 1 1 280px; min-width: 0; }
.preview-error { margin: 6px 0 0; color: var(--red); font-size: 13px; }
.preview-empty-note {
  margin: 4px 0 12px;
  padding: 9px 12px;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--accent-soft);
  color: var(--ink-2);
  font-size: 13px;
}
.preview-source-label { margin: 6px 0 12px; color: var(--ink-3); }

/* Side-by-side variant cards */
.preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
  align-items: start;
}
.preview-variant {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
}
.preview-variant-head {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 9px 12px;
  background: var(--gray-soft);
  border-bottom: 1px solid var(--border);
}
.preview-variant-name { font-weight: 600; font-size: 13.5px; color: var(--ink); }
.preview-variant-head .control-tag { margin-left: 4px; }
.diff-count {
  margin-left: auto;
  font-size: 11px;
  font-weight: 600;
  color: var(--green);
  background: var(--green-soft);
  padding: 1px 8px;
  border-radius: 99px;
}
.preview-variant-body { padding: 10px 12px; }
.preview-note { margin: 0 0 8px; font-size: 12.5px; color: var(--ink-3); }

/* Key/value tree */
.kv-tree { font-size: 13px; }
.kv-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 10px;
  padding: 3px 6px;
  border-radius: var(--radius-sm);
}
.kv-row-diff { background: var(--green-soft); }
.kv-row-diff .kv-key::before {
  content: "";
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--green);
  margin-right: 6px;
  vertical-align: middle;
}
.kv-key { font-family: var(--mono); font-size: 12px; color: var(--ink-2); }
.kv-val { color: var(--ink); word-break: break-word; }
.kv-path {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--green);
  margin-left: auto;
  white-space: nowrap;
}
.kv-group { margin: 2px 0; }
.kv-group-label { padding: 3px 6px; }
.kv-children { margin-left: 12px; border-left: 1px solid var(--border); padding-left: 8px; }
.kv-nested { margin: 2px 0; }
.kv-nested > summary { cursor: pointer; padding: 3px 6px; list-style: revert; }
.kv-nested > summary .kv-key { color: var(--accent); }
.kv-nested[open] > summary .kv-key { color: var(--ink-2); }

/* ---- Variant content card (detail page) ---- */
.vc-list { gap: 14px; }
.vc-row { border: 1px solid var(--border); border-radius: var(--radius); padding: 12px 14px; }
.vc-head { display: flex; align-items: center; margin-bottom: 8px; }
.vc-name { font-weight: 600; font-size: 14px; }
.vc-asis { margin: 0; font-size: 13px; }
.vc-override { margin-top: 6px; }
.vc-match { margin-bottom: 6px; text-transform: none; font-family: var(--mono); }
.vc-sets { display: flex; flex-direction: column; gap: 4px; }
.vc-set-row {
  display: grid;
  grid-template-columns: minmax(80px, max-content) 16px 1fr;
  align-items: baseline;
  gap: 8px;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  background: var(--gray-soft);
}
.vc-arrow { color: var(--ink-3); text-align: center; }

/* ---- QA / preview links card (detail page) ---- */
.qa-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  padding: 8px 0;
  border-top: 1px solid var(--border);
}
.qa-row:first-child { border-top: none; }
.qa-chip { text-transform: none; }
.snippet {
  flex: 1 1 220px;
  min-width: 0;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink);
  background: var(--gray-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 5px 9px;
  overflow-x: auto;
  white-space: nowrap;
}

/* Pages & audiences (create form) + cohorts view */
.subhead {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-3);
  margin: 14px 0 8px;
}
.rule-row-1 { grid-template-columns: 1fr 34px; }

.cohort-group { margin-bottom: 12px; }
.cohort-label {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ink-2);
  margin-bottom: 6px;
}
.cohort-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.cohort-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink-2);
  font-size: 13px;
  cursor: pointer;
  transition: background 0.12s, border-color 0.12s, color 0.12s;
}
.cohort-chip:hover { border-color: var(--accent); }
.cohort-chip-on {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent-hover);
  font-weight: 600;
}
.cohort-chip-count {
  font-family: var(--mono);
  font-size: 11px;
  opacity: 0.7;
}

/* cohort source chips */
.chip.source-manual { background: var(--gray-soft); color: var(--ink-2); }
.chip.source-amplitude { background: var(--accent-soft); color: var(--accent-hover); }
.chip.source-rudderstack { background: var(--green-soft); color: var(--green); }
.chip.source-braze { background: var(--purple-soft); color: var(--purple); }

.field-label {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ink-2);
  margin-bottom: -2px;
}

/* ============================================================================
   SDK settings (views/sdk-settings.js)
   ========================================================================== */

.sdk-seg { margin-bottom: 18px; }
.sdk-seg .seg-btn { padding: 8px 22px; font-size: 13.5px; font-weight: 600; }

.sdk-rows { display: flex; flex-direction: column; }

.sdk-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 0;
  border-top: 1px solid var(--border);
}
.sdk-rows .sdk-row:first-child { border-top: none; padding-top: 2px; }

.sdk-row-main { flex: 1 1 auto; min-width: 0; }

.sdk-knob-label { font-size: 13.5px; font-weight: 600; color: var(--ink); }
.sdk-help { margin: 4px 0 0; font-size: 12.5px; color: var(--ink-3); max-width: 60ch; }

.sdk-control {
  flex: none;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 5px;
}

.sdk-number-cell { display: flex; align-items: center; gap: 6px; }
.sdk-number { width: 110px; text-align: right; font-variant-numeric: tabular-nums; }
.sdk-unit { font-size: 12.5px; color: var(--ink-3); white-space: nowrap; }

.sdk-default {
  font-size: 11.5px;
  color: var(--ink-3);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.sdk-na { font-style: italic; }

.sdk-row-toggle .sdk-toggle-label { gap: 9px; }
.sdk-row-na { opacity: 0.6; }

/* event sampling slider sits under its help text, full width of the row */
.sdk-sampling { margin-top: 10px; max-width: 360px; }

.sdk-note {
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 13px;
}
.sdk-note-danger {
  background: var(--red-soft);
  border: 1px solid #f3c2c5;
  color: #9c2228;
}
.sdk-note-warn {
  background: var(--amber-soft);
  border: 1px solid #f1d59a;
  color: var(--amber);
}

.sdk-footer { justify-content: space-between; }

@media (max-width: 720px) {
  .sdk-row { flex-direction: column; align-items: stretch; gap: 8px; }
  .sdk-control { align-items: flex-start; }
}
.cell-actions { display: flex; gap: 4px; justify-content: flex-end; white-space: nowrap; }
.btn-ghost.danger { color: var(--red); }
.btn-ghost.danger:hover:not(:disabled) { background: var(--red-soft); color: var(--red); }

/* Typed flag-value controls (create form, docs/FLAGS.md §5) */
.var-value-row {
  display: grid;
  grid-template-columns: 60px 1fr;
  align-items: start;
  gap: 10px;
  margin: 6px 0 2px 22px;
}
.var-value-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--ink-3);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding-top: 8px;
}
.value-control { width: 100%; }
.value-row { display: flex; gap: 8px; align-items: flex-start; }
.value-type { flex: 0 0 110px; }
.value-input { flex: 1 1 auto; }
.value-error {
  color: var(--red);
  font-size: 12px;
  margin: 4px 0 0;
}
.default-value-field { margin-top: 14px; }

/* ============================================================================
   Variation mockup preview (views/preview.js) — phone frame, control vs variant
   ========================================================================== */
.pv-empty {
  margin: 0;
  padding: 14px 16px;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--ink-3);
  font-size: 13px;
}

/* platform switcher + scroll carousel */
.pv-toolbar { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.pv-toolbar .pv-hint { color: var(--ink-3); font-size: 12px; }
.pv-seg .seg-btn { display: inline-flex; align-items: center; gap: 6px; }
.pv-target-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--green); }
.seg-btn-active .pv-target-dot { background: #fff; }

.pv-carousel {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  scrollbar-width: thin;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fafbfc;
}
.pv-panel {
  flex: 0 0 100%;
  scroll-snap-align: start;
  padding: 12px 14px 16px;
}
.pv-panel-head { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }
.pv-panel-name { font-weight: 650; font-size: 13px; }
.pv-target-tag {
  font-size: 10.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 1px 8px;
  border-radius: 99px;
  background: var(--green-soft);
  color: var(--green);
}
.pv-target-tag.pv-target-off { background: var(--gray-soft); color: var(--ink-3); }

.pv-tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 14px; }
.pv-tab {
  appearance: none;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--ink-2);
  font: inherit;
  font-family: var(--mono);
  font-size: 12px;
  padding: 5px 12px;
  border-radius: 99px;
  cursor: pointer;
  transition: background 0.12s, color 0.12s, border-color 0.12s;
}
.pv-tab:hover { border-color: var(--accent); }
.pv-tab-on, .pv-tab-on:hover {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent-hover);
  font-weight: 600;
}
.pv-screen-label { display: block; color: var(--ink-3); margin-bottom: 14px; }

.pv-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 18px;
  align-items: start;
}

.pv-phone-card { display: flex; flex-direction: column; align-items: center; gap: 10px; }

.pv-phone-head {
  display: flex;
  align-items: center;
  gap: 7px;
  width: 100%;
  justify-content: center;
}
.pv-var-name { font-weight: 600; font-size: 13px; }
.pv-diff {
  font-size: 11px;
  font-weight: 600;
  color: var(--green);
  background: var(--green-soft);
  padding: 1px 8px;
  border-radius: 99px;
}

/* the device */
.pv-phone {
  width: 220px;
  min-height: 400px;
  background: var(--surface);
  border: 8px solid #23283a;
  border-radius: 30px;
  box-shadow: var(--shadow-2);
  padding: 26px 14px 20px;
  position: relative;
  overflow: hidden;
}
.pv-notch {
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 74px;
  height: 5px;
  background: #23283a;
  border-radius: 99px;
}

/* Android: less-rounded corners, punch-hole camera */
.pv-phone.pv-android { border-radius: 22px; }
.pv-punch {
  position: absolute;
  top: 9px;
  left: 50%;
  transform: translateX(-50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #23283a;
}

/* Web: wider desktop frame with a browser chrome bar */
.pv-phone.pv-web {
  width: 300px;
  min-height: 300px;
  border-width: 1px;
  border-color: var(--border-strong);
  border-radius: 12px;
  padding: 40px 18px 20px;
}
.pv-browserbar {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 30px;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 11px;
  background: #eef0f4;
  border-bottom: 1px solid var(--border);
  border-radius: 11px 11px 0 0;
}
.pv-browserbar .pv-dot { width: 8px; height: 8px; border-radius: 50%; background: #cfd5e0; }
.pv-url {
  margin-left: 8px;
  flex: 1;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink-3);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2px 8px;
}

.pv-screen { display: flex; flex-direction: column; gap: 12px; }

/* slots */
.pv-slot { border-radius: 6px; }
.pv-default { color: var(--ink-3); font-style: italic; }

.pv-title { font-size: 17px; font-weight: 700; line-height: 1.25; letter-spacing: -0.01em; }
.pv-subtitle { font-size: 13px; font-weight: 600; color: var(--ink-2); }
.pv-body { font-size: 12.5px; color: var(--ink-2); line-height: 1.45; }
.pv-line { font-size: 12.5px; color: var(--ink); }
.pv-slot-key { font-family: var(--mono); font-size: 11px; color: var(--ink-3); }

.pv-cta {
  margin-top: auto;
  text-align: center;
  font-size: 13px;
  font-weight: 650;
  color: #fff;
  background: var(--accent);
  padding: 9px 12px;
  border-radius: var(--radius-sm);
}
.pv-cta.pv-default { background: var(--gray-soft); color: var(--ink-3); }

.pv-img {
  display: block;
  width: 100%;
  height: 108px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  background: var(--gray-soft);
}
.pv-img-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px dashed var(--border-strong);
  font-size: 11px;
  text-align: center;
  padding: 6px;
}

/* a set (overridden) slot gets a subtle accent tick on the left */
.pv-set:not(.pv-cta):not(.pv-img) {
  border-left: 2px solid var(--green);
  padding-left: 8px;
  margin-left: -10px;
}

/* ---- content editor (create form) ---- */
.pv-edit-screen {
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  padding: 10px 12px;
  background: var(--gray-soft);
}
.pv-edit-screen + .pv-edit-screen { margin-top: 8px; }
.pv-edit-screen-head {
  display: grid;
  grid-template-columns: max-content 1fr max-content;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}
.pv-edit-slots { display: flex; flex-direction: column; gap: 6px; margin-bottom: 8px; }
.pv-edit-slot {
  display: grid;
  grid-template-columns: 1fr 96px 1.6fr 1fr 34px;
  gap: 6px;
  align-items: center;
}
.pv-edit-slot .input { padding: 6px 9px; }

@media (max-width: 720px) {
  .pv-edit-slot { grid-template-columns: 1fr 1fr; }
  .pv-edit-slot > .btn-icon { grid-column: 2; justify-self: end; }
}

/* text/image item rows (id + value + remove) */
.pv-edit-item { grid-template-columns: 1fr 1.6fr 34px; }
.pv-edit-section { margin-top: 8px; }
.pv-edit-section-head { display: flex; align-items: center; gap: 10px; margin: 6px 0; }
.pv-edit-section-head .subhead { margin: 0; }
.pv-edit-items { display: flex; flex-direction: column; gap: 6px; }
.pv-layouts-note { margin-top: 10px; font-style: italic; opacity: 0.8; }

/* detail: content per screen */
.content-screen + .content-screen { margin-top: 14px; }
.content-screen-head {
  font-size: 13px;
  font-weight: 650;
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 8px;
}
.chip.kind-text { background: var(--accent-soft); color: var(--accent-hover); text-transform: uppercase; font-size: 10.5px; letter-spacing: 0.05em; }
.chip.kind-image { background: var(--green-soft); color: var(--green); text-transform: uppercase; font-size: 10.5px; letter-spacing: 0.05em; }

@media (max-width: 720px) {
  .pv-edit-item { grid-template-columns: 1fr 1fr; }
  .pv-edit-item > .btn-icon { grid-column: 2; justify-self: end; }
}