:root {
  --bg: #f4f5f7;
  --surface: #ffffff;
  --ink: #17202a;
  --ink-soft: #55606e;
  --ink-faint: #8b95a3;
  --line: #dfe3e9;
  --accent: #1b4d8f;
  --accent-soft: #e8f0fb;
  --good: #16794a;
  --good-soft: #e4f4ec;
  --warn: #9a5b00;
  --warn-soft: #fdf1dd;
  --bad: #a32424;
  --bad-soft: #fceaea;
  --pane: #1b2430;
  --pane-line: #2c3947;
  --pane-ink: #e6ebf1;
  --pane-faint: #8b9aab;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace;
}

* { box-sizing: border-box; }

/* Must outrank the display rules below, which would otherwise show a hidden modal. */
[hidden] { display: none !important; }

body {
  margin: 0;
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
}

h1, h2, h3 { margin: 0; font-weight: 600; letter-spacing: -0.01em; }

.btn {
  font: inherit; font-size: 13px; font-weight: 500;
  padding: 6px 12px; border-radius: 6px; border: 1px solid var(--line);
  background: var(--surface); color: var(--ink); cursor: pointer;
}
.btn:hover { border-color: var(--ink-faint); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: #163f75; }
.btn-tiny { font-size: 11px; padding: 3px 8px; }
.btn-ghost { background: transparent; }
.agent-pane .btn { background: transparent; border-color: var(--pane-line); color: var(--pane-ink); }
.agent-pane .btn:hover { border-color: var(--pane-faint); }

/* ---------- top bar ---------- */

.topbar {
  display: flex; align-items: center; gap: 24px;
  padding: 12px 20px; background: var(--surface);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 20;
}
.brand { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.brand .mark {
  width: 30px; height: 30px; display: grid; place-items: center;
  background: var(--accent); color: #fff; border-radius: 7px; font-size: 17px;
}
.brand strong { display: block; font-size: 15px; }
.brand-sub { display: block; font-size: 12px; color: var(--ink-faint); }

.progress-rail { display: flex; gap: 3px; flex: 1 1 auto; min-width: 0; }
.rail-step {
  flex: 1 1 0; min-width: 0; height: 26px; border-radius: 5px;
  background: #eceff3; border: 1px solid var(--line);
  display: grid; place-items: center; overflow: hidden;
  font-size: 10px; letter-spacing: 0.02em; text-transform: uppercase;
  color: var(--ink-faint); white-space: nowrap; padding: 0 4px;
  transition: background 160ms, color 160ms, border-color 160ms;
}
.rail-step.done { background: var(--good-soft); border-color: #b6ddc8; color: var(--good); }
.rail-step.active { background: var(--accent-soft); border-color: #b7cfec; color: var(--accent); font-weight: 600; }
.rail-step.locked { opacity: 0.45; }

.topbar-right { display: flex; align-items: center; gap: 8px; flex: 0 0 auto; }
.badge {
  font-size: 11px; font-weight: 600; padding: 4px 9px; border-radius: 20px;
  background: var(--warn-soft); color: var(--warn); border: 1px solid #eed3a2;
}
.badge.live { background: var(--good-soft); color: var(--good); border-color: #b6ddc8; }

.notice {
  font-size: 12.5px; line-height: 1.55; color: var(--ink-soft);
  padding: 10px 20px; background: #fffdf5; border-bottom: 1px solid #eee3c4;
}
.notice strong { color: var(--ink); }

/* ---------- layout ---------- */

.layout {
  display: grid; grid-template-columns: minmax(0, 1fr) 400px;
  align-items: start; gap: 0;
}
.form-pane { padding: 24px 28px 96px; min-width: 0; }
.agent-pane {
  position: sticky; top: 55px; height: calc(100vh - 55px);
  overflow-y: auto; background: var(--pane); color: var(--pane-ink);
  border-left: 1px solid var(--pane-line);
}

.card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: 10px; padding: 18px 20px; margin-bottom: 14px;
}

/* ---------- sections ---------- */

.section { position: relative; }
.section.locked { opacity: 0.55; }
.section-head { display: flex; align-items: baseline; gap: 10px; margin-bottom: 4px; }
.section-part {
  font-size: 11px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--accent); background: var(--accent-soft);
  padding: 2px 7px; border-radius: 4px;
}
.section-head h3 { font-size: 16px; }
.section-tool {
  margin-left: auto; font: 500 11px/1 var(--mono);
  color: var(--ink-faint); background: #f2f4f7;
  border: 1px solid var(--line); padding: 4px 7px; border-radius: 4px;
}
.section-tool.off { text-decoration: line-through; opacity: 0.6; }
.section-note { font-size: 12.5px; color: var(--ink-soft); margin: 0 0 14px; }

.grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 16px; }
.field.wide { grid-column: 1 / -1; }
.field label, .field .field-label { display: block; font-size: 12.5px; font-weight: 500; margin-bottom: 4px; }
.field .req { color: var(--bad); margin-left: 2px; }
.field .field-label { color: inherit; }
.field input[type=text], .field select {
  width: 100%; font: inherit; font-size: 14px; padding: 7px 9px;
  border: 1px solid var(--line); border-radius: 6px; background: #fff; color: var(--ink);
}
.field input:focus, .field select:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }
.field .help { font-size: 11.5px; color: var(--ink-faint); margin-top: 4px; }
.field .err { font-size: 11.5px; color: var(--bad); margin-top: 4px; }
.field.proposed input, .field.proposed select {
  background: var(--warn-soft); border-color: #e0b978;
  box-shadow: inset 3px 0 0 var(--warn);
}
.field .proposed-tag {
  display: inline-block; font-size: 10.5px; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.04em; color: var(--warn); margin-left: 6px;
}
.field.new-field { animation: reveal 420ms ease-out; }
@keyframes reveal {
  from { background: var(--accent-soft); }
  to { background: transparent; }
}

.bool-row { display: flex; gap: 8px; }
.bool-row button {
  flex: 1 1 0; font: inherit; font-size: 13px; padding: 7px 4px;
  border: 1px solid var(--line); background: #fff; border-radius: 6px; cursor: pointer;
}
.bool-row button[aria-pressed=true] { background: var(--accent); border-color: var(--accent); color: #fff; }

.cross-errors { margin-top: 14px; }
.cross-error {
  font-size: 12.5px; padding: 9px 11px; border-radius: 7px;
  background: var(--bad-soft); border: 1px solid #edc4c4; color: #7d1d1d; margin-top: 7px;
}
.cross-error strong { display: block; }
.cross-error span { color: #9a4141; }

.locked-banner {
  font-size: 12.5px; color: var(--ink-soft);
  background: #f2f4f7; border: 1px dashed var(--line);
  border-radius: 7px; padding: 10px 12px;
}

.rows { margin-top: 10px; display: flex; flex-direction: column; gap: 6px; }
.row-chip {
  display: flex; align-items: center; gap: 8px; font-size: 13px;
  background: #f6f8fa; border: 1px solid var(--line); border-radius: 6px; padding: 6px 10px;
}
.row-chip.pending { background: var(--warn-soft); border-color: #e0b978; }
.row-chip .spacer { margin-left: auto; }

.certify p { font-size: 12.5px; color: var(--ink-soft); margin: 6px 0 12px; }
.check { display: flex; gap: 9px; align-items: flex-start; font-size: 13px; cursor: pointer; }
.check input { margin-top: 2px; flex: 0 0 auto; }
.check.small { font-size: 12px; color: var(--pane-faint); margin-top: 12px; }

/* ---------- agent pane ---------- */

.pane-block { padding: 16px 18px; border-bottom: 1px solid var(--pane-line); }
.pane-head { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.pane-head h2 { font-size: 12px; text-transform: uppercase; letter-spacing: 0.07em; color: var(--pane-faint); }
.count {
  font: 600 11px/1 var(--mono); background: var(--pane-line);
  color: var(--pane-ink); padding: 3px 7px; border-radius: 20px; margin-left: auto;
}
.pane-hint { font-size: 11.5px; line-height: 1.5; color: var(--pane-faint); margin: 0 0 10px; }
.pane-hint em { color: var(--pane-ink); font-style: normal; font-weight: 600; }
.pane-hint code { font: 500 11px var(--mono); background: #131b25; padding: 1px 4px; border-radius: 3px; }

.tool-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 4px; }
.tool-list li { list-style: none; }
.tool-list .tool-btn {
  font: 500 12px/1.3 var(--mono); text-align: left; width: 100%;
  display: flex; align-items: center; gap: 7px;
  padding: 7px 9px; border-radius: 6px; cursor: pointer;
  background: #131b25; border: 1px solid var(--pane-line); color: var(--pane-ink);
}
.tool-list .tool-btn:hover { border-color: var(--pane-faint); }
.tool-list .tool-btn:focus-visible { outline: 2px solid #4d9bf5; outline-offset: 1px; }
.tool-list li.selected .tool-btn { border-color: #4d9bf5; background: #16233a; }
.tool-list .dot { width: 6px; height: 6px; border-radius: 50%; background: #3fb27f; flex: 0 0 auto; }
.tool-list .n { flex: 1 1 auto; min-width: 0; overflow: hidden; text-overflow: ellipsis; }
.tool-list li.entering { animation: toolIn 700ms ease-out; }
.tool-list li.leaving { animation: toolOut 420ms ease-in forwards; }
@keyframes toolIn {
  0% { background: #14402c; border-color: #3fb27f; transform: translateX(10px); opacity: 0; }
  100% { background: #131b25; border-color: var(--pane-line); transform: none; opacity: 1; }
}
@keyframes toolOut {
  0% { background: #3d1a1a; border-color: #b35050; opacity: 1; }
  100% { opacity: 0; height: 0; padding: 0; margin: 0; border-width: 0; }
}

.locked-note { font-size: 11px; color: var(--pane-faint); margin-top: 9px; line-height: 1.5; }
.locked-note code { font: 500 10.5px var(--mono); color: #b9c6d4; }

.schema {
  font: 11.5px/1.5 var(--mono); background: #0e141c; color: #cdd9e5;
  border: 1px solid var(--pane-line); border-radius: 7px;
  padding: 11px; overflow-x: auto; margin: 0; max-height: 320px; overflow-y: auto;
  white-space: pre;
}
#schema-desc { color: #b9c6d4; }

.pending-item {
  background: #131b25; border: 1px solid var(--pane-line);
  border-left: 3px solid #d99b3a; border-radius: 6px;
  padding: 9px 10px; margin-bottom: 7px;
}
.pending-item .pf { font: 600 11.5px var(--mono); color: #f0c987; }
.pending-item .pv { font-size: 13px; margin: 3px 0 8px; word-break: break-word; }
.pending-item .pv .was { color: var(--pane-faint); text-decoration: line-through; margin-right: 6px; }
.pending-actions { display: flex; gap: 6px; }
.pending-bulk { display: flex; gap: 6px; margin: 4px 0 2px; }
.empty-note { font-size: 12px; color: var(--pane-faint); font-style: italic; }

#log { display: flex; flex-direction: column; gap: 5px; max-height: 320px; overflow-y: auto; }
.log-item { font: 11.5px/1.45 var(--mono); border-radius: 5px; padding: 7px 9px; background: #131b25; border: 1px solid var(--pane-line); }
.log-item .lt { font-weight: 600; color: #7fb3f0; }
.log-item.result { border-left: 3px solid #3fb27f; }
.log-item.result .lt { color: #6fd0a3; }
.log-item.error { border-left: 3px solid #d05c5c; }
.log-item.error .lt { color: #f09a9a; }
.log-item.progress { opacity: 0.7; }
.log-item pre { margin: 4px 0 0; white-space: pre-wrap; word-break: break-word; color: #b9c6d4; }
.log-item .rejected { color: #f0a9a9; }

/* ---------- modals ---------- */

.modal-backdrop {
  position: fixed; inset: 0; background: rgba(16, 22, 30, 0.55);
  display: grid; place-items: center; z-index: 60; padding: 24px;
}
.modal { width: min(560px, 100%); max-height: 86vh; overflow-y: auto; margin: 0; }
.modal.wide { width: min(760px, 100%); }
.modal h3 { margin-bottom: 8px; }
.modal label { display: block; font-size: 12.5px; font-weight: 500; margin: 12px 0 0; }
.modal select, .modal textarea {
  width: 100%; font: inherit; font-size: 13px; margin-top: 4px;
  padding: 7px 9px; border: 1px solid var(--line); border-radius: 6px; background: #fff; color: var(--ink);
}
.modal textarea { font-family: var(--mono); font-size: 12px; }
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 16px; }
.modal .schema { margin-top: 14px; max-height: 260px; }

.packet-section { margin-bottom: 16px; }
.packet-section h4 { margin: 0 0 6px; font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--accent); }
.packet-row { display: flex; gap: 12px; font-size: 13px; padding: 4px 0; border-bottom: 1px solid #f0f2f5; }
.packet-row .pl { flex: 0 0 46%; color: var(--ink-soft); }
.packet-row .pvv { flex: 1 1 auto; font-weight: 500; }

@media (max-width: 1080px) {
  .layout { grid-template-columns: minmax(0, 1fr); }
  .agent-pane { position: static; height: auto; border-left: 0; border-top: 1px solid var(--pane-line); }
  .grid { grid-template-columns: minmax(0, 1fr); }
  .progress-rail { display: none; }
}

@media print {
  .topbar, .notice, .agent-pane, .modal-actions, .form-pane { display: none; }
  .modal-backdrop { position: static; background: none; padding: 0; }
  .modal { box-shadow: none; border: 0; max-height: none; }
}

/* ---------- declarative category finder ---------- */

.finder { border-color: #c9d8ec; background: linear-gradient(180deg, #fbfdff, #fff); }
.finder .section-tool { background: var(--accent-soft); color: var(--accent); border-color: #b7cfec; }
.finder .section-tool.off { text-decoration: line-through; opacity: 0.55; }

.finder-row { display: flex; gap: 8px; }
.finder-row input {
  flex: 1 1 auto; min-width: 0; font: inherit; font-size: 14px; padding: 8px 10px;
  border: 1px solid var(--line); border-radius: 6px; background: #fff; color: var(--ink);
}
.finder-row input:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }
.finder-row button { flex: 0 0 auto; }

.finder-results { display: flex; flex-direction: column; gap: 6px; margin-top: 12px; }
.finder-results:empty { margin-top: 0; }

.finder-hit {
  display: flex; align-items: flex-start; gap: 11px; text-align: left;
  font: inherit; cursor: pointer; width: 100%;
  padding: 9px 11px; border: 1px solid var(--line); border-radius: 7px; background: #fff;
}
.finder-hit:hover { border-color: var(--accent); background: var(--accent-soft); }
.finder-hit .fh-code {
  flex: 0 0 auto; font: 600 12px/1.5 var(--mono); color: var(--accent);
  background: var(--accent-soft); border-radius: 4px; padding: 2px 6px;
}
.finder-hit .fh-body { flex: 1 1 auto; min-width: 0; display: flex; flex-direction: column; gap: 1px; }
.finder-hit .fh-body strong { font-size: 13.5px; }
.finder-hit .fh-body span { font-size: 12px; color: var(--ink-soft); }
.finder-hit .fh-use {
  flex: 0 0 auto; align-self: center; font-size: 11px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.04em; color: var(--ink-faint);
}
.finder-hit:hover .fh-use { color: var(--accent); }
.finder-empty { font-size: 12.5px; color: var(--ink-soft); margin: 0; }

.log-item .decl {
  font: 600 9.5px/1 var(--mono); text-transform: uppercase; letter-spacing: 0.05em;
  color: #9fc3ea; border: 1px solid #35506e; border-radius: 3px;
  padding: 2px 4px; margin-left: 6px;
}

/* ---------- persistence control ---------- */

.notice { display: flex; align-items: flex-start; gap: 20px; flex-wrap: wrap; }
.notice-text { flex: 1 1 460px; min-width: 0; }
.notice-actions {
  flex: 0 0 auto; display: flex; align-items: center; gap: 10px;
  padding-top: 1px; flex-wrap: wrap;
}
.check.tight { font-size: 12px; color: var(--ink-soft); white-space: nowrap; align-items: center; }
.check.tight input { margin: 0; }
.persist-state { font-size: 11.5px; color: var(--ink-faint); }
.persist-state.warn { color: var(--warn); }

/* ---------- focus visibility ---------- */

:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.agent-pane :focus-visible { outline-color: #4d9bf5; }
.bool-row button:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.field-label { display: block; font-size: 12.5px; font-weight: 500; margin-bottom: 4px; }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--accent); color: #fff; padding: 9px 14px;
  border-radius: 0 0 6px 0; font-size: 13px; font-weight: 500;
}
.skip-link:focus { left: 0; }

@media (prefers-reduced-motion: reduce) {
  .tool-list li.entering, .tool-list li.leaving, .field.new-field { animation: none; }
  * { scroll-behavior: auto !important; }
}

/* ---------- cross-origin vault ---------- */

.vault-card { border-color: #d4cdf0; }
.vault-card .section-part { background: #efeaff; color: #4c3a8f; }
.vault-card .section-tool { background: #efeaff; color: #4c3a8f; border-color: #d4cdf0; }
.vault-card .section-tool.off { text-decoration: line-through; opacity: 0.6; }
.vault-card code { font: 500 11.5px var(--mono); background: #f4f2fd; padding: 1px 4px; border-radius: 3px; }

.vault-frame-host { margin-top: 4px; }
.vault-frame {
  width: 100%; height: 430px; border: 1px solid #d4cdf0;
  border-radius: 8px; background: #faf9ff; display: block;
}

.vault-actions { display: flex; align-items: center; gap: 12px; margin-top: 12px; flex-wrap: wrap; }
.vault-hint { font-size: 11.5px; color: var(--ink-faint); }

.vault-audit { display: flex; flex-direction: column; gap: 6px; margin-top: 12px; }
.vault-audit:empty { display: none; }
.va-row {
  display: flex; align-items: flex-start; gap: 10px; font-size: 12.5px;
  border: 1px solid var(--line); border-left-width: 3px; border-radius: 6px; padding: 8px 10px;
}
.va-row.held { border-left-color: var(--good); background: #fbfefc; }
.va-row.expiring { border-left-color: var(--warn); background: #fffdf7; }
.va-row.expired { border-left-color: var(--bad); background: #fffbfb; }
.va-row.missing { border-left-color: var(--bad); background: #fffbfb; }
.va-state {
  flex: 0 0 auto; font: 600 9.5px var(--mono); text-transform: uppercase; letter-spacing: 0.05em;
  padding: 2px 6px; border-radius: 3px; margin-top: 1px;
}
.va-row.held .va-state { background: var(--good-soft); color: var(--good); }
.va-row.expiring .va-state { background: var(--warn-soft); color: var(--warn); }
.va-row.expired .va-state, .va-row.missing .va-state { background: var(--bad-soft); color: var(--bad); }
.va-body { flex: 1 1 auto; min-width: 0; }
.va-body strong { display: block; font-weight: 500; }
.va-body span { color: var(--ink-soft); font-size: 11.5px; }

.tool-list li.cross .tool-btn { border-color: #4a3f7a; background: #171630; }
.tool-list li.cross .dot { background: #9b86f0; }
.log-item .xo {
  font: 600 9.5px/1 var(--mono); text-transform: uppercase; letter-spacing: 0.05em;
  color: #b9a9f5; border: 1px solid #4a3f7a; border-radius: 3px;
  padding: 2px 4px; margin-left: 6px;
}

/* ---------- elicitation dialog ---------- */

.modal.ask { width: min(460px, 100%); border-color: #b7cfec; }
.ask-flag {
  display: inline-block; font-size: 10.5px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--accent); background: var(--accent-soft);
  border-radius: 4px; padding: 3px 8px; margin-bottom: 10px;
}
.modal.ask h3 { margin-bottom: 7px; }
.modal.ask p { font-size: 13px; color: var(--ink-soft); margin: 0; line-height: 1.55; }

.ask-waiting {
  display: inline-flex; align-items: center; gap: 6px;
  font: 600 10.5px/1 var(--mono); text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--warn); background: var(--warn-soft);
  border: 1px solid #eed3a2; border-radius: 4px; padding: 4px 7px;
}
.ask-waiting::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--warn); animation: pulse 1.1s ease-in-out infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.25; } }

@media (prefers-reduced-motion: reduce) {
  .ask-waiting::before { animation: none; }
}

/* ---------- guided walkthrough ---------- */

.walkbar {
  position: sticky; top: 55px; z-index: 30;
  background: var(--pane); color: var(--pane-ink);
  border-bottom: 1px solid var(--pane-line);
}
.walk-progress { height: 3px; background: #101822; }
.walk-progress span {
  display: block; height: 100%; width: 0;
  background: linear-gradient(90deg, #4d9bf5, #6fd0a3);
  transition: width 320ms ease;
}
.walk-body {
  display: flex; align-items: center; gap: 16px;
  padding: 11px 20px; max-width: 100%;
}
.walk-count {
  flex: 0 0 auto; font: 600 11px var(--mono); color: var(--pane-faint);
  background: #131b25; border: 1px solid var(--pane-line);
  padding: 4px 8px; border-radius: 20px; white-space: nowrap;
}
.walk-caption {
  flex: 1 1 auto; margin: 0; font-size: 14px; line-height: 1.45;
  min-width: 0;
}
.walk-actions { flex: 0 0 auto; display: flex; gap: 7px; align-items: center; }
.walkbar.busy .walk-caption { opacity: 0.55; }
.walkbar.waiting .walk-caption { color: #f0c987; }

/* Highlight whichever panel the current step is about. */
.spotlight { position: relative; }
.spotlight::after {
  content: ""; position: absolute; inset: -3px; pointer-events: none;
  border: 2px solid #4d9bf5; border-radius: 9px;
  box-shadow: 0 0 0 4px rgba(77, 155, 245, 0.16);
  animation: spotFade 1.6s ease-out;
}
@keyframes spotFade { from { opacity: 1; } to { opacity: 0.45; } }

@media (max-width: 1080px) {
  .walk-body { flex-wrap: wrap; }
  .walk-caption { flex-basis: 100%; order: 3; }
}
@media (prefers-reduced-motion: reduce) {
  .spotlight::after { animation: none; }
  .walk-progress span { transition: none; }
}