/* ==========================================================================
   webtester.alsharafihq.com — frontend stylesheet
   Layout uses CSS logical properties only, so Arabic (RTL) and English (LTR)
   share one sheet with no mirrored overrides (§7.5 bilingual requirement).
   ========================================================================== */

:root {
  color-scheme: dark;

  --bg: #0b1017;
  --bg-elev: #111823;
  --bg-panel: #131c28;
  --bg-soft: #182334;
  --line: #24324a;
  --line-strong: #33456a;

  --text: #e6edf7;
  --text-dim: #9fb0c8;
  --text-mute: #6f819b;

  --ok: #35d0a5;
  --ok-bg: rgba(53, 208, 165, 0.12);
  --danger: #ff6b7a;
  --danger-bg: rgba(255, 107, 122, 0.12);
  --warn: #f5c451;
  --warn-bg: rgba(245, 196, 81, 0.12);
  --info: #5aa9ff;
  --info-bg: rgba(90, 169, 255, 0.12);
  --accent: #b48bff;
  --accent-bg: rgba(180, 139, 255, 0.12);

  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);

  --font: "Segoe UI", system-ui, -apple-system, Tahoma, "Noto Sans Arabic",
    "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
    "Liberation Mono", monospace;

  --page-max: 1240px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(1100px 500px at 80% -10%, rgba(90, 169, 255, 0.10), transparent 60%),
    radial-gradient(900px 480px at 5% 0%, rgba(180, 139, 255, 0.10), transparent 55%),
    var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.6;
}

main {
  flex: 1;
  width: min(100% - 2rem, var(--page-max));
  margin-inline: auto;
  padding-block: 1.75rem 3rem;
}

h1, h2, h3, h4 { line-height: 1.3; margin: 0; }
p { margin: 0.35rem 0; }
a { color: var(--info); text-decoration: none; }
a:hover { text-decoration: underline; }

code, .mono, pre { font-family: var(--mono); font-size: 0.9em; }
code { word-break: break-word; }

.muted { color: var(--text-mute); }
.hint { color: var(--text-dim); font-size: 0.9rem; }
.subheading { font-size: 1rem; margin-block: 1rem 0.5rem; color: var(--text-dim); }

/* ------------------------------------------------------------------ header */

.shell-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 0.75rem clamp(1rem, 3vw, 2rem);
  background: rgba(11, 16, 23, 0.92);
  backdrop-filter: blur(10px);
  border-block-end: 1px solid var(--line);
}

.brand { display: flex; align-items: center; gap: 0.6rem; color: inherit; }
.brand:hover { text-decoration: none; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--info), var(--accent));
  color: #07101c;
  font-weight: 700;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-size: 1.02rem; letter-spacing: 0.01em; }
.brand-text small { color: var(--text-mute); font-size: 0.72rem; max-width: 34ch; }

.shell-nav { flex: 1 1 auto; min-width: 12rem; }
.shell-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.15rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-link {
  display: block;
  padding: 0.42rem 0.72rem;
  border-radius: 999px;
  color: var(--text-dim);
  font-size: 0.9rem;
  white-space: nowrap;
}
.nav-link:hover { background: var(--bg-soft); color: var(--text); text-decoration: none; }
.nav-link.is-active {
  background: linear-gradient(135deg, rgba(90, 169, 255, 0.22), rgba(180, 139, 255, 0.22));
  color: #fff;
  box-shadow: inset 0 0 0 1px var(--line-strong);
}

.shell-tools { display: flex; align-items: center; gap: 0.6rem; }

.lang-switch {
  display: inline-flex;
  padding: 3px;
  gap: 3px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 999px;
}
.lang-btn {
  border: 0;
  background: transparent;
  color: var(--text-dim);
  font: inherit;
  font-size: 0.82rem;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  cursor: pointer;
}
.lang-btn.is-active { background: var(--bg-soft); color: #fff; box-shadow: inset 0 0 0 1px var(--line-strong); }

.mode-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.76rem;
  padding: 0.28rem 0.6rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--bg-elev);
  color: var(--text-dim);
}
.mode-badge .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--warn); }
.mode-live .dot { background: var(--ok); }
.mode-live { color: var(--ok); border-color: rgba(53, 208, 165, 0.4); }
.mode-demo { color: var(--warn); border-color: rgba(245, 196, 81, 0.35); }

/* ------------------------------------------------------------------ footer */

.shell-footer {
  border-block-start: 1px solid var(--line);
  padding: 1.4rem clamp(1rem, 3vw, 2rem) 2rem;
  color: var(--text-dim);
  font-size: 0.86rem;
  background: rgba(11, 16, 23, 0.6);
}

/* ------------------------------------------------------------------ panels */

.panel {
  background: linear-gradient(180deg, var(--bg-panel), var(--bg-elev));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.1rem 1.2rem 1.25rem;
  margin-block-end: 1.1rem;
  box-shadow: var(--shadow);
}

.panel-head { margin-block-end: 0.9rem; }
.panel-head-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.panel-title { font-size: clamp(1.25rem, 2.4vw, 1.6rem); }
.panel-head h2 { font-size: 1.08rem; }

.toolbar { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.run-head-right { display: flex; align-items: center; gap: 0.5rem; }

.diagnostics, .report, .recorder, .healing, .projects { display: block; }

/* ------------------------------------------------------------------ summary */

.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.7rem;
}
.summary-cell {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 0.85rem 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  border-block-start-width: 3px;
}
.summary-value { font-size: 1.9rem; font-weight: 700; line-height: 1; }
.summary-label { color: var(--text-dim); font-size: 0.85rem; }

.tone-total { border-block-start-color: var(--info); }
.tone-total .summary-value { color: var(--info); }
.tone-ok { border-block-start-color: var(--ok); }
.tone-ok .summary-value { color: var(--ok); }
.tone-danger { border-block-start-color: var(--danger); }
.tone-danger .summary-value { color: var(--danger); }
.tone-accent { border-block-start-color: var(--accent); }
.tone-accent .summary-value { color: var(--accent); }
.tone-warn { border-block-start-color: var(--warn); }
.tone-warn .summary-value { color: var(--warn); }

.inline-counters { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-block-start: 0.9rem; }

/* ------------------------------------------------------------------ badges */

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.16rem 0.6rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  border: 1px solid transparent;
  white-space: nowrap;
}
.status-badge.tone-ok { background: var(--ok-bg); color: var(--ok); border-color: rgba(53, 208, 165, 0.35); }
.status-badge.tone-danger { background: var(--danger-bg); color: var(--danger); border-color: rgba(255, 107, 122, 0.35); }
.status-badge.tone-warn { background: var(--warn-bg); color: var(--warn); border-color: rgba(245, 196, 81, 0.35); }
.status-badge.tone-info { background: var(--info-bg); color: var(--info); border-color: rgba(90, 169, 255, 0.35); }
.status-badge.tone-accent { background: var(--accent-bg); color: var(--accent); border-color: rgba(180, 139, 255, 0.35); }
.status-badge.tone-muted { background: rgba(159, 176, 200, 0.10); color: var(--text-dim); border-color: var(--line); }

.pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  animation: pulse 1.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.35; transform: scale(0.7); }
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.16rem 0.55rem;
  border-radius: 7px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  font-size: 0.8rem;
  color: var(--text-dim);
}
.chip.tone-ok, .chip-chip-ok { background: var(--ok-bg); color: var(--ok); border-color: rgba(53, 208, 165, 0.3); }
.chip.tone-danger { background: var(--danger-bg); color: var(--danger); border-color: rgba(255, 107, 122, 0.3); }
.chip.tone-warn { background: var(--warn-bg); color: var(--warn); border-color: rgba(245, 196, 81, 0.3); }
.chip.tone-accent { background: var(--accent-bg); color: var(--accent); border-color: rgba(180, 139, 255, 0.3); }
.chip-warn { background: var(--warn-bg); color: var(--warn); border-color: rgba(245, 196, 81, 0.35); }
.chip-healed { background: var(--accent-bg); color: var(--accent); border-color: rgba(180, 139, 255, 0.35); }
.chip-state { display: flex; flex-direction: column; gap: 0.15rem; padding: 0.5rem 0.7rem; margin-block: 0.5rem; }
.chip-state span { color: var(--text-mute); font-size: 0.83rem; }
.chip-state-mini { text-transform: none; }
.chip-policy-auto { background: var(--ok-bg); color: var(--ok); border-color: rgba(53, 208, 165, 0.3); }
.chip-policy-escalate { background: var(--warn-bg); color: var(--warn); border-color: rgba(245, 196, 81, 0.3); }
.chip-policy-abstain { background: var(--danger-bg); color: var(--danger); border-color: rgba(255, 107, 122, 0.3); }

/* ------------------------------------------------------------------- steps */

.live-strip {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  flex-wrap: wrap;
  padding: 0.6rem 0.8rem;
  border-radius: var(--radius-sm);
  background: var(--info-bg);
  border: 1px solid rgba(90, 169, 255, 0.3);
  margin-block-end: 0.9rem;
  font-size: 0.9rem;
}

.meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 0.6rem;
  margin: 0;
}
.meta-grid-2 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.meta-item { background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 0.5rem 0.7rem; }
.meta-item dt { color: var(--text-mute); font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.04em; }
.meta-item dd { margin: 0.15rem 0 0; font-size: 0.92rem; word-break: break-word; }

.step-headrow, .step-row {
  display: grid;
  grid-template-columns: 3rem minmax(8rem, 1.4fr) 7.5rem 5.5rem minmax(10rem, 2fr) 8.5rem auto;
  gap: 0.6rem;
  align-items: center;
}
.step-headrow {
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-mute);
  padding-inline: 0.6rem;
  padding-block-end: 0.4rem;
  border-block-end: 1px solid var(--line);
}
.step-tree { list-style: none; margin: 0; padding: 0; }
.step-node { border-block-end: 1px solid var(--line); }
.step-node:last-child { border-block-end: 0; }
.step-row { padding-block: 0.65rem; }
.step-index { color: var(--text-mute); }
.step-action { font-weight: 600; }
.step-duration { color: var(--text-dim); }
.step-selector code {
  display: inline-block;
  max-width: 100%;
  padding: 0.12rem 0.4rem;
  border-radius: 6px;
  background: #0c1420;
  border: 1px solid var(--line);
  color: #cfe0f5;
  direction: ltr;
  unicode-bidi: isolate;
}
.selector-change { display: flex; align-items: center; gap: 0.35rem; flex-wrap: wrap; }
.selector-change .old { text-decoration: line-through; opacity: 0.6; }
.selector-change .new { border-color: rgba(180, 139, 255, 0.5); color: #e2d4ff; }
.selector-change .arrow { color: var(--text-mute); }

.shot { margin: 0; display: flex; flex-direction: column; gap: 0.2rem; align-items: flex-start; }
.shot figcaption { font-size: 0.72rem; color: var(--text-mute); }
.shot-mask, .shot img {
  width: 76px;
  height: 44px;
  border-radius: 6px;
  border: 1px solid var(--line-strong);
  object-fit: cover;
}
.shot-mask {
  background:
    repeating-linear-gradient(45deg, rgba(255, 255, 255, 0.06) 0 6px, transparent 6px 12px),
    linear-gradient(135deg, #16202f, #0d1521);
}
.shot.is-empty .shot-mask { opacity: 0.5; }

.step-detail {
  background: rgba(8, 13, 20, 0.55);
  border-inline-start: 2px solid var(--line-strong);
  margin: 0 0 0.7rem 0;
  padding: 0.8rem 0.9rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
[dir="rtl"] .step-detail { border-inline-start: 2px solid var(--line-strong); border-radius: var(--radius-sm) 0 0 var(--radius-sm); }
.detail-block + .detail-block { margin-block-start: 0.8rem; }
.detail-block > .muted { display: block; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.04em; }

/* -------------------------------------------------------------- diagnosis */

.diagnosis-list { display: flex; flex-direction: column; gap: 0.9rem; }
.diagnosis-item {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--bg-soft);
  padding: 0.75rem 0.85rem;
}
.diagnosis-item > header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-block-end: 0.55rem;
  font-weight: 600;
}

.cause { border-inline-start: 3px solid var(--line-strong); padding-inline-start: 0.75rem; }
.cause-ui_change { border-inline-start-color: var(--accent); }
.cause-server_error { border-inline-start-color: var(--danger); }
.cause-auth { border-inline-start-color: var(--warn); }
.cause-functional { border-inline-start-color: var(--info); }
.cause-data { border-inline-start-color: var(--ok); }
.cause-unclassified { border-inline-start-color: var(--text-mute); border-inline-start-style: dashed; }

.cause-head { display: flex; align-items: baseline; gap: 0.6rem; flex-wrap: wrap; }
.cause-class { font-weight: 700; }
.cause-example { color: var(--text-mute); font-size: 0.85rem; }
.cause-evidence { color: var(--text-dim); font-size: 0.9rem; }

.evidence-list { display: grid; gap: 0.3rem; margin: 0.5rem 0 0; }
.evidence-row {
  display: grid;
  grid-template-columns: minmax(7rem, auto) 1fr;
  gap: 0.6rem;
  padding: 0.3rem 0.5rem;
  background: rgba(8, 13, 20, 0.5);
  border-radius: 6px;
}
.evidence-row dt { color: var(--text-mute); font-size: 0.82rem; }
.evidence-row dd { margin: 0; font-size: 0.88rem; }

.callout {
  margin-block: 0.7rem;
  padding: 0.55rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  border: 1px solid var(--line);
}
.callout-warn { background: var(--warn-bg); border-color: rgba(245, 196, 81, 0.32); color: #f7dfa8; }
.callout-info { background: var(--info-bg); border-color: rgba(90, 169, 255, 0.3); color: #c9e2ff; }
.callout ul { margin: 0.35rem 0 0; padding-inline-start: 1.1rem; }

.explanation { margin-block-start: 0.6rem; background: var(--accent-bg); border-radius: var(--radius-sm); padding: 0.5rem 0.7rem; }
.explanation-tag { display: block; font-size: 0.74rem; color: var(--accent); margin-block-end: 0.2rem; }
.explanation p { margin: 0; font-size: 0.88rem; }

.disclosure { border-block-start: 1px solid var(--line); margin-block-start: 1rem; padding-block-start: 0.7rem; }
.disclosure summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--text-dim);
  list-style: revert;
}
.disclosure[open] summary { color: var(--text); }

/* ----------------------------------------------------------------- tables */

.table-wrap { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.data-table th, .data-table td { text-align: start; padding: 0.5rem 0.6rem; border-block-end: 1px solid var(--line); vertical-align: top; }
.data-table thead th {
  color: var(--text-mute);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}
.data-table tbody tr:hover { background: rgba(255, 255, 255, 0.02); }
.empty-cell { text-align: center; color: var(--text-mute); padding-block: 1.4rem; }
.cell-actions { display: flex; gap: 0.4rem; flex-wrap: wrap; }

/* ----------------------------------------------------------------- buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  font: inherit;
  font-size: 0.9rem;
  padding: 0.45rem 0.95rem;
  border-radius: 9px;
  border: 1px solid var(--line-strong);
  background: var(--bg-soft);
  color: var(--text);
  cursor: pointer;
  transition: transform 0.12s ease, background 0.12s ease;
}
.btn:hover { transform: translateY(-1px); text-decoration: none; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none; }
.btn-sm { font-size: 0.8rem; padding: 0.28rem 0.6rem; }
.btn-primary { background: linear-gradient(135deg, #2f7fe0, #6f5cf0); border-color: transparent; color: #fff; }
.btn-secondary { background: rgba(180, 139, 255, 0.18); border-color: rgba(180, 139, 255, 0.45); color: #e6dbff; }
.btn-danger { background: rgba(255, 107, 122, 0.16); border-color: rgba(255, 107, 122, 0.45); color: #ffc7cd; }
.btn-ghost { background: transparent; }
.btn.is-active { box-shadow: inset 0 0 0 2px currentColor; }
.btn-row { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-block-start: 0.9rem; }

.input {
  font: inherit;
  font-size: 0.9rem;
  color: var(--text);
  background: #0c1420;
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  padding: 0.45rem 0.7rem;
  min-width: 8rem;
}
.input:focus-visible, .btn:focus-visible, .lang-btn:focus-visible, .nav-link:focus-visible,
.tree-node:focus-visible, summary:focus-visible {
  outline: 2px solid var(--info);
  outline-offset: 2px;
}

.form { display: grid; gap: 0.75rem; }
.field { display: grid; gap: 0.3rem; }
.field > span { font-size: 0.85rem; color: var(--text-dim); }

/* ---------------------------------------------------------------- proposals */

.proposal-list, .report, .diagnostics { display: grid; gap: 0.2rem; }
.proposal-wrap + .proposal-wrap { margin-block-start: 1rem; }

.proposal {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-soft);
  padding: 0.9rem 1rem;
}
.proposal-head, .proposal-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.7rem;
  flex-wrap: wrap;
  margin-block-end: 0.75rem;
}
.proposal-title { font-weight: 700; margin-inline-end: 0.5rem; }
.proposal-badges { display: flex; gap: 0.4rem; flex-wrap: wrap; }

.selector-pair { display: flex; align-items: stretch; gap: 0.6rem; flex-wrap: wrap; }
.selector-box {
  flex: 1 1 16rem;
  background: #0c1420;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.7rem;
}
.selector-box-new { border-color: rgba(180, 139, 255, 0.45); }
.selector-label { display: block; font-size: 0.74rem; color: var(--text-mute); text-transform: uppercase; letter-spacing: 0.05em; }
.selector-box code { color: #d7e6fb; direction: ltr; unicode-bidi: isolate; display: block; margin-block-start: 0.2rem; }
.selector-arrow { align-self: center; color: var(--text-mute); }

.meter-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 0.8rem; margin-block-start: 0.85rem; }
.meter-head { display: flex; justify-content: space-between; font-size: 0.85rem; color: var(--text-dim); }
.meter-track {
  height: 8px;
  border-radius: 999px;
  background: #0c1420;
  border: 1px solid var(--line);
  overflow: hidden;
  margin-block-start: 0.3rem;
}
.meter-fill { display: block; height: 100%; border-radius: inherit; }
.meter-fill.tone-ok { background: linear-gradient(90deg, #2f9f83, var(--ok)); }
.meter-fill.tone-warn { background: linear-gradient(90deg, #b78c2f, var(--warn)); }
.meter-fill.tone-accent { background: linear-gradient(90deg, #7a5cf0, var(--accent)); }
.meter-meta { display: flex; align-items: center; gap: 0.5rem; font-size: 0.85rem; flex-wrap: wrap; }

.proposal-body { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 0.8rem; margin-block-start: 0.85rem; }
.subpanel { background: rgba(8, 13, 20, 0.45); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 0.6rem 0.75rem; }
.subpanel h4 { font-size: 0.82rem; color: var(--text-mute); text-transform: uppercase; letter-spacing: 0.05em; margin-block-end: 0.4rem; }
.check-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.3rem; font-size: 0.88rem; }
.check-list .mark { display: inline-block; width: 1rem; }
.kv-ok-ok .mark { color: var(--ok); }
.kv-ok-danger .mark { color: var(--danger); }

/* ---------------------------------------------------------------- recorder */

.recorder-grid, .projects-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 1.1rem;
}
@media (max-width: 900px) {
  .recorder-grid, .projects-grid { grid-template-columns: minmax(0, 1fr); }
}

.recorder-tree { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.2rem; }
.tree-node {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font: inherit;
  text-align: start;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 8px;
  color: var(--text);
  padding: 0.35rem 0.5rem;
  padding-inline-start: calc(0.5rem + var(--depth, 0) * 0.9rem);
  cursor: pointer;
}
.tree-node:hover { background: rgba(255, 255, 255, 0.04); }
.tree-node.is-selected {
  background: rgba(90, 169, 255, 0.14);
  border-color: rgba(90, 169, 255, 0.45);
}
.node-tag { color: var(--text-mute); min-width: 3.2rem; }
.node-role { color: var(--info); min-width: 6.5rem; }
.node-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.node-warn { color: var(--warn); }

.proposal-card { background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius); padding: 0.85rem 0.95rem; }
.reason { font-size: 0.9rem; color: var(--text-dim); }
.reason-label { color: var(--text-mute); }

.captured-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.35rem; }
.captured-list li {
  display: grid;
  grid-template-columns: 3rem 6rem minmax(8rem, 1.2fr) minmax(9rem, 1.6fr) auto;
  gap: 0.6rem;
  align-items: center;
  padding: 0.45rem 0.55rem;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 0.88rem;
}
.captured-list code { direction: ltr; unicode-bidi: isolate; color: #d7e6fb; }
.cap-action { color: var(--accent); font-family: var(--mono); }
@media (max-width: 760px) {
  .captured-list li { grid-template-columns: 1fr 1fr; }
}

/* -------------------------------------------------------------- state flow */

.flow { display: flex; align-items: center; gap: 0.4rem; flex-wrap: wrap; }
.flow-node {
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: var(--bg-soft);
  font-size: 0.84rem;
}
.flow-arrow { color: var(--text-mute); }
.flow-branch { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.flow-committed { background: var(--ok-bg); border-color: rgba(53, 208, 165, 0.4); color: var(--ok); }
.flow-rejected { background: var(--danger-bg); border-color: rgba(255, 107, 122, 0.4); color: var(--danger); }
.flow-escalated { background: var(--warn-bg); border-color: rgba(245, 196, 81, 0.4); color: var(--warn); }
.flow-rolled_back { background: var(--accent-bg); border-color: rgba(180, 139, 255, 0.4); color: var(--accent); }

/* ------------------------------------------------------------------ report */

.artifact-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.4rem; }
.artifact-list li {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  flex-wrap: wrap;
  padding: 0.45rem 0.6rem;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 0.88rem;
}
.artifact-kind { min-width: 9rem; color: var(--text-dim); }

/* -------------------------------------------------------------------- home */

.hero { padding-block-end: 1.2rem; }
.hero h1 { font-size: clamp(1.5rem, 3.6vw, 2.3rem); }
.hero p { max-width: 68ch; color: var(--text-dim); font-size: 1rem; }
.hero-actions { display: flex; gap: 0.6rem; flex-wrap: wrap; margin-block-start: 1rem; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1rem;
  margin-block: 1.2rem;
}
.card {
  display: block;
  background: linear-gradient(180deg, var(--bg-panel), var(--bg-elev));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.05rem;
  color: inherit;
  transition: transform 0.15s ease, border-color 0.15s ease;
}
.card:hover { transform: translateY(-3px); border-color: var(--line-strong); text-decoration: none; }
.card h3 { font-size: 1.02rem; margin-block-end: 0.35rem; }
.card p { color: var(--text-dim); font-size: 0.9rem; }

.tech-list { display: grid; gap: 0.4rem; list-style: none; margin: 0; padding: 0; }
.tech-list li {
  display: flex;
  gap: 0.6rem;
  align-items: baseline;
  padding: 0.4rem 0.6rem;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 0.9rem;
}
.tech-list li::before { content: "▸"; color: var(--accent); }

/* ------------------------------------------------------------------- terms */

.term {
  font-family: var(--mono);
  font-size: 0.86em;
  color: #cfe3ff;
  background: rgba(90, 169, 255, 0.12);
  border: 1px solid rgba(90, 169, 255, 0.28);
  border-radius: 6px;
  padding: 0.05rem 0.35rem;
  text-decoration: none;
  cursor: help;
}
.term:hover { background: rgba(90, 169, 255, 0.2); }

/* ------------------------------------------------------------------- toast */

.toast-host {
  position: fixed;
  inset-block-end: 1.2rem;
  inset-inline-end: 1.2rem;
  z-index: 60;
  display: grid;
  gap: 0.5rem;
  max-width: min(90vw, 26rem);
}
.toast {
  padding: 0.6rem 0.85rem;
  border-radius: 10px;
  background: var(--bg-elev);
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow);
  font-size: 0.9rem;
  animation: toast-in 0.25s ease;
}
.toast-success { border-color: rgba(53, 208, 165, 0.5); }
.toast-error { border-color: rgba(255, 107, 122, 0.5); }
.toast.is-leaving { opacity: 0; transform: translateY(6px); transition: 0.35s ease; }
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ---------------------------------------------------------------- responsive */

@media (max-width: 860px) {
  .step-headrow { display: none; }
  .step-row { grid-template-columns: 1fr 1fr; gap: 0.4rem; }
  .step-row > * { min-width: 0; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

/* ------------------------------------------------------------------- print */

@media print {
  body { background: #fff; color: #000; }
  .shell-header, .shell-footer, .toast-host, .btn, .toolbar { display: none !important; }
  .panel { border: 1px solid #ccc; box-shadow: none; break-inside: avoid; }
  main { width: 100%; }
}