/* =========================================================================
   TURING DEBUG PORTAL — Industrial Diagnostic
   ========================================================================= */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600;700&family=IBM+Plex+Sans+SC:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root {
  /* paper & ink */
  --paper:        #f7f5f0;   /* warm off-white, "engineering document" */
  --paper-deep:   #efece4;
  --surface:      #ffffff;
  --ink:          #161616;   /* IBM black */
  --ink-2:        #393939;
  --mute:         #6f6f6f;
  --mute-2:       #a8a8a8;
  --hairline:     #dad6cc;
  --hairline-strong: #b8b3a8;

  /* signal red — used sparingly */
  --signal:       #d44614;
  --signal-deep:  #a8330b;
  --signal-tint:  #fbe7dc;

  /* status (muted, not bright) */
  --ok:           #2d6a4f;
  --ok-tint:      #d8eadc;
  --info:         #0f4c81;
  --info-tint:    #dde8f1;
  --warn:         #b45309;
  --warn-tint:    #fbe9c9;
  --error:        #b91c1c;
  --error-tint:   #f8d7d7;
  --neutral:      #525252;
  --neutral-tint: #ececea;

  /* phase tints (very subtle) */
  --p-ASR:   #075985;  --p-ASR-tint:   #e0f2fe;
  --p-NLU:   #5b21b6;  --p-NLU-tint:   #ede9fe;
  --p-LLM:   #92400e;  --p-LLM-tint:   #fef3c7;
  --p-TTS:   #065f46;  --p-TTS-tint:   #d1fae5;
  --p-绘本:  #9f1239;  --p-绘本-tint:  #fce7f3;
  --p-网络:  #334155;  --p-网络-tint:  #e2e8f0;
  --p-技能:  #854d0e;  --p-技能-tint:  #fef9c3;
  --p-系统:  #57534e;  --p-系统-tint:  #f5f5f4;

  /* type */
  --font-sans: "IBM Plex Sans", "IBM Plex Sans SC", -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-sans);
  background: var(--paper);
  /* very subtle 8x8 dot grid — engineering paper */
  background-image: radial-gradient(rgba(0,0,0,0.045) 0.5px, transparent 0.5px);
  background-size: 14px 14px;
  background-position: 0 0;
  color: var(--ink);
  font-size: 13.5px;
  line-height: 1.5;
  font-feature-settings: "ss01", "cv11"; /* IBM Plex stylistic */
  -webkit-font-smoothing: antialiased;
}

a { color: var(--ink); text-decoration: underline; text-decoration-color: var(--hairline-strong); text-underline-offset: 2px; }
a:hover { text-decoration-color: var(--signal); color: var(--signal); }

code, .mono { font-family: var(--font-mono); font-feature-settings: "zero"; }

/* ---------- buttons ---------- */
button {
  font-family: var(--font-sans);
  font-size: 12.5px;
  font-weight: 500;
  background: var(--ink);
  color: var(--surface);
  border: 1px solid var(--ink);
  height: 32px;
  padding: 0 14px;
  border-radius: 0;
  cursor: pointer;
  letter-spacing: 0.02em;
  box-sizing: border-box;
  line-height: 1;
}
button:hover { background: var(--ink-2); }
button.primary, button[type="submit"] {
  background: var(--signal);
  border-color: var(--signal);
  color: var(--surface);
}
button.primary:hover, button[type="submit"]:hover {
  background: var(--signal-deep);
  border-color: var(--signal-deep);
}
button.ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--hairline-strong);
}
button.ghost:hover { background: var(--surface); border-color: var(--ink); }
button.danger { background: var(--error); border-color: var(--error); }
button.danger:hover { background: #991717; border-color: #991717; }

/* ---------- inputs ---------- */
input, select, textarea {
  font-family: var(--font-sans);
  background: var(--surface);
  color: var(--ink);
  border: 1px solid var(--hairline-strong);
  padding: 0 10px;
  border-radius: 0;
  font-size: 13px;
  min-width: 0;
  height: 32px;
  box-sizing: border-box;
  line-height: 1.2;
}
textarea { height: auto; padding: 8px 10px; line-height: 1.5; }
input:focus, select:focus, textarea:focus {
  outline: 0;
  border-color: var(--ink);
  box-shadow: 0 0 0 3px var(--signal-tint);
}
label {
  display: flex;
  flex-direction: column;
  gap: 5px;
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--mute);
  font-weight: 500;
}
label input, label select { color: var(--ink); text-transform: none; letter-spacing: 0; font-size: 13px; }

/* ---------- topbar ---------- */
.topbar {
  display: flex;
  align-items: center;
  gap: 0;
  padding: 0 18px;
  background: var(--surface);
  border-bottom: 1px solid var(--hairline-strong);
  height: 48px;
  position: sticky;
  top: 0;
  z-index: 50;
}
.topbar .brand {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--signal);
  padding: 4px 6px;
  border: 1px solid var(--signal);
  margin-right: 22px;
  white-space: nowrap;
}
.topbar nav { display: flex; gap: 0; height: 100%; }
.topbar nav a {
  display: flex;
  align-items: center;
  padding: 0 14px;
  color: var(--mute);
  text-decoration: none;
  font-size: 12.5px;
  letter-spacing: 0.02em;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.topbar nav a:hover { color: var(--ink); background: var(--paper); }
.topbar nav a.active {
  color: var(--ink);
  border-bottom-color: var(--signal);
  font-weight: 500;
}
.topbar .logout {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 12px;
  height: 100%;
  padding-left: 16px;
  border-left: 1px solid var(--hairline);
}
.topbar .logout span {
  color: var(--mute);
  font-size: 11px;
  font-family: var(--font-mono);
}
.topbar .logout button {
  background: transparent;
  color: var(--mute);
  border: 1px solid var(--hairline-strong);
  height: 26px;
  padding: 0 10px;
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.topbar .logout button:hover { background: var(--paper); color: var(--ink); border-color: var(--ink); }

/* ---------- page layout ---------- */
.page { padding: 24px 28px; max-width: 1480px; margin: 0 auto; }

/* section labels — `// EVENTS · 100 ROWS · 24H` */
.section-label, h2.section-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mute);
  margin: 0 0 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.section-label::before {
  content: "//";
  color: var(--mute-2);
}

/* ---------- search form ---------- */
.search form {
  display: flex;
  gap: 14px;
  align-items: end;
  flex-wrap: wrap;
  background: var(--surface);
  padding: 18px 18px 16px;
  border: 1px solid var(--hairline);
  position: relative;
}
.search form::before {
  content: "QUERY";
  position: absolute;
  top: -8px;
  left: 14px;
  background: var(--paper);
  padding: 0 6px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--mute);
}
.search .grow { flex: 1; min-width: 320px; }
.search input { font-family: var(--font-mono); font-size: 13px; }
.htmx-indicator { color: var(--mute); display: none; font-family: var(--font-mono); font-size: 11px; }
.htmx-request .htmx-indicator { display: inline; }

.input-wrap { display: flex; gap: 0; align-items: stretch; position: relative; }
.input-wrap input { flex: 1; }

/* search history dropdown */
.qhist {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--surface);
  border: 1px solid var(--ink);
  border-top: 0;
  z-index: 30;
  max-height: 320px;
  overflow-y: auto;
  box-shadow: 0 6px 0 var(--paper-deep);
  text-transform: none;
  letter-spacing: 0;
}
.qhist::before {
  content: "RECENT · CLICK TO QUERY";
  display: block;
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--mute);
  background: var(--paper-deep);
  border-bottom: 1px solid var(--hairline);
}
.qhist-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 10px 6px 12px;
  cursor: pointer;
  border-bottom: 1px solid var(--hairline);
  font-size: 12.5px;
}
.qhist-item:last-child { border-bottom: 0; }
.qhist-item:hover, .qhist-item.active {
  background: var(--paper);
  box-shadow: inset 3px 0 0 var(--signal);
}
.qhist-val { flex: 1; min-width: 0; color: var(--ink); font-size: 12px; word-break: break-all; }
.qhist-meta {
  color: var(--mute);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.qhist-tag {
  display: inline-block;
  padding: 0 6px;
  background: var(--signal);
  color: var(--surface);
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.qhist-item.is-current { background: var(--signal-tint); }
.qhist-item.is-current .qhist-val { color: var(--ink); font-weight: 500; }
.qhist-x {
  background: transparent;
  color: var(--mute-2);
  border: 1px solid transparent;
  padding: 0 6px;
  font-size: 14px;
  line-height: 1;
  cursor: pointer;
  height: 22px;
}
.qhist-x:hover { color: var(--error); border-color: var(--error-tint); background: var(--error-tint); }

/* ---------- results header ---------- */
.results { margin-top: 22px; }
.results-head { margin-bottom: 14px; }
.results .meta, .results-head .meta {
  font-family: var(--font-mono);
  color: var(--mute);
  margin: 0 0 10px;
  font-size: 12px;
}
.results .meta b, .results-head .meta b { color: var(--ink); font-weight: 600; }
.results .meta code, .results-head .meta code { background: var(--paper-deep); padding: 1px 6px; border: 1px solid var(--hairline); font-size: 11px; }
.hint-inline { color: var(--signal); font-size: 11px; font-family: var(--font-mono); }
.hint { color: var(--mute); padding: 40px 0; text-align: center; font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.04em; }
.hint::before, .hint::after { content: " — "; color: var(--mute-2); }

/* ---------- alerts ---------- */
.err {
  color: var(--error);
  background: var(--error-tint);
  border: 1px solid var(--error);
  border-left-width: 3px;
  padding: 10px 14px;
  font-size: 13px;
  font-family: var(--font-mono);
}
.ok {
  color: var(--ok);
  background: var(--ok-tint);
  border: 1px solid var(--ok);
  border-left-width: 3px;
  padding: 10px 14px;
  font-size: 13px;
}

/* ---------- phase legend ---------- */
.phase-legend {
  display: flex;
  gap: 4px;
  align-items: center;
  flex-wrap: wrap;
  padding: 8px 0 14px;
  font-size: 10.5px;
}
.legend-label {
  font-family: var(--font-mono);
  color: var(--mute);
  margin-right: 6px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* phase chip — used in legend, table cells, flow */
.phase {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 1px 7px 2px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  border: 1px solid var(--hairline-strong);
  background: var(--surface);
  color: var(--neutral);
  white-space: nowrap;
  text-transform: uppercase;
}
.phase::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  background: currentColor;
  border-radius: 50%;
  margin-right: 1px;
}
.phase-ASR  { color: var(--p-ASR);  border-color: var(--p-ASR-tint);  background: var(--p-ASR-tint); }
.phase-NLU  { color: var(--p-NLU);  border-color: var(--p-NLU-tint);  background: var(--p-NLU-tint); }
.phase-LLM  { color: var(--p-LLM);  border-color: var(--p-LLM-tint);  background: var(--p-LLM-tint); }
.phase-TTS  { color: var(--p-TTS);  border-color: var(--p-TTS-tint);  background: var(--p-TTS-tint); }
.phase-绘本 { color: var(--p-绘本); border-color: var(--p-绘本-tint); background: var(--p-绘本-tint); }
.phase-网络 { color: var(--p-网络); border-color: var(--p-网络-tint); background: var(--p-网络-tint); }
.phase-技能 { color: var(--p-技能); border-color: var(--p-技能-tint); background: var(--p-技能-tint); }
.phase-系统 { color: var(--p-系统); border-color: var(--p-系统-tint); background: var(--p-系统-tint); }

/* ---------- tables ---------- */
table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border: 1px solid var(--hairline);
  font-size: 12.5px;
}
table th, table td {
  padding: 7px 12px;
  border-bottom: 1px solid var(--hairline);
  text-align: left;
  vertical-align: top;
}
table th {
  background: var(--paper-deep);
  font-weight: 500;
  color: var(--mute);
  font-size: 10.5px;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-bottom: 1px solid var(--hairline-strong);
  padding: 8px 12px;
}
table tr:last-child td { border-bottom: 0; }
table tbody tr:hover { background: var(--paper); }

/* ---------- log table specifics ---------- */
.logs td.t {
  white-space: nowrap;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 11.5px;
}
.logs td.gid {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--mute);
  white-space: nowrap;
}
.logs td.dur {
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 11.5px;
  white-space: nowrap;
  text-align: right;
}
.logs td.svc { color: var(--mute); font-size: 11.5px; white-space: nowrap; }
.logs td.action { white-space: nowrap; font-weight: 500; }
.logs td.msg-cell { max-width: 460px; }
.logs .msg {
  font-family: var(--font-mono);
  font-size: 11px;
  word-break: break-all;
  color: var(--mute);
  max-height: 3em;
  overflow: hidden;
  line-height: 1.4;
}

.logs tr.clickable { cursor: pointer; transition: background 80ms; }
.logs tr.clickable:hover {
  background: var(--paper-deep);
  box-shadow: inset 3px 0 0 var(--signal);
}

/* ---------- code/badge for outcomes (● dot + mono text) ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 1px 7px 2px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  border: 1px solid var(--hairline-strong);
  background: var(--surface);
  color: var(--ink-2);
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.badge::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  background: currentColor;
  border-radius: 50%;
}
.badge.sev-ok { color: var(--ok); border-color: var(--ok-tint); background: var(--ok-tint); }
.badge.sev-info { color: var(--info); border-color: var(--info-tint); background: var(--info-tint); }
.badge.sev-warn { color: var(--warn); border-color: var(--warn-tint); background: var(--warn-tint); }
.badge.sev-error { color: var(--error); border-color: var(--error-tint); background: var(--error-tint); }
.badge.sev-neutral { color: var(--neutral); border-color: var(--neutral-tint); background: var(--neutral-tint); }

/* ---------- card ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--hairline);
  padding: 18px 20px;
  margin-bottom: 18px;
  position: relative;
}
.card h2 {
  margin: 0 0 14px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

/* ---------- user-form ---------- */
.user-form { display: flex; flex-wrap: wrap; gap: 12px; align-items: end; }
.user-form .grow { flex: 1; min-width: 320px; }

.users .on { color: var(--ok); font-weight: 500; font-family: var(--font-mono); font-size: 11px; }
.users .off { color: var(--mute); font-family: var(--font-mono); font-size: 11px; }
.users .ops { white-space: nowrap; }
.users .ops button {
  height: 24px;
  padding: 0 10px;
  font-size: 11px;
  margin-right: 4px;
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--hairline-strong);
}
.users .ops button:hover { background: var(--paper-deep); border-color: var(--ink); }
.users .ops button.danger {
  color: var(--error);
  border-color: var(--error-tint);
  background: transparent;
}
.users .ops button.danger:hover { background: var(--error-tint); border-color: var(--error); }

/* ---------- login page ---------- */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--paper);
  background-image: radial-gradient(rgba(0,0,0,0.045) 0.5px, transparent 0.5px);
  background-size: 14px 14px;
}
.login {
  background: var(--surface);
  border: 1px solid var(--hairline-strong);
  padding: 36px 38px 32px;
  min-width: 380px;
  position: relative;
}
.login::before {
  content: "[ TURING · DEBUG ]";
  position: absolute;
  top: -10px;
  left: 14px;
  background: var(--paper);
  padding: 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--signal);
}
.login h1 {
  margin: 0 0 6px;
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.login .sub {
  color: var(--mute);
  margin: 0 0 24px;
  font-size: 12px;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}
.login form { display: flex; flex-direction: column; gap: 16px; }
.login button { height: 40px; padding: 0; font-size: 13px; letter-spacing: 0.06em; text-transform: uppercase; }
.login input { height: 36px; }

/* ---------- turn / flow ---------- */
.back-btn {
  background: transparent;
  color: var(--mute);
  border: 1px solid var(--hairline-strong);
  height: 28px;
  padding: 0 12px;
  font-size: 11.5px;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  margin-bottom: 12px;
}
.back-btn:hover { background: var(--paper-deep); color: var(--ink); border-color: var(--ink); }

/* turn summary card */
.turn-summary {
  background: var(--surface);
  border: 1px solid var(--hairline-strong);
  padding: 22px 26px;
  margin: 0 0 22px;
  position: relative;
}
.turn-summary::before {
  content: "// SESSION DIGEST";
  position: absolute;
  top: -8px;
  left: 14px;
  background: var(--paper);
  padding: 0 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--mute);
}
.ts-row {
  display: flex;
  gap: 14px;
  align-items: baseline;
  padding: 7px 0;
  border-bottom: 1px dashed var(--hairline);
  font-size: 13.5px;
  line-height: 1.6;
}
.ts-row:last-child { border-bottom: 0; }
.ts-label {
  color: var(--mute);
  font-size: 10.5px;
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  min-width: 76px;
  flex-shrink: 0;
  padding-top: 2px;
}
.ts-val { flex: 1; min-width: 0; word-break: break-word; }
.ts-user .ts-val { color: var(--ink); font-weight: 500; }
.ts-user .ts-val::before { content: '"'; color: var(--mute-2); }
.ts-user .ts-val::after { content: '"'; color: var(--mute-2); }
.ts-resp .ts-val { color: var(--ink-2); }
.ts-intent code {
  background: var(--paper-deep);
  color: var(--ink);
  padding: 2px 8px;
  border: 1px solid var(--hairline);
  font-size: 11.5px;
}
.ts-err {
  background: var(--error-tint);
  margin: 4px -14px;
  padding: 10px 14px;
  border: 1px solid var(--error);
  border-left-width: 3px;
}
.ts-err .ts-val { color: var(--error); }

.ts-chain-val {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}
.ts-chain-node {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.02em;
  background: var(--paper-deep);
  color: var(--ink);
  padding: 3px 9px;
  border: 1px solid var(--hairline-strong);
  white-space: nowrap;
}
.ts-chain-entry {
  background: var(--signal);
  color: var(--surface);
  border-color: var(--signal);
  font-weight: 500;
}
.ts-chain-arrow {
  color: var(--mute-2);
  font-family: var(--font-mono);
  font-size: 12px;
}

.ts-imgs-row { display: flex; gap: 18px; flex-wrap: wrap; }
.ts-img {
  margin: 0;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.ts-img img {
  max-width: 220px;
  max-height: 220px;
  border: 1px solid var(--hairline-strong);
  background: var(--paper-deep);
  object-fit: contain;
}
.ts-img figcaption {
  color: var(--mute);
  font-size: 10.5px;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* api trace panel */
.api-trace {
  margin-top: 12px;
  padding: 10px 14px;
  background: var(--paper-deep);
  border: 1px solid var(--hairline);
  font-size: 12px;
  font-family: var(--font-mono);
}
.api-trace summary { cursor: pointer; color: var(--mute); user-select: none; letter-spacing: 0.04em; }
.api-trace summary:hover { color: var(--ink); }
.api-trace[open] summary { color: var(--ink); margin-bottom: 8px; font-weight: 500; }
.api-list { display: flex; flex-direction: column; gap: 0; }
.api-row {
  display: flex;
  gap: 10px;
  align-items: baseline;
  flex-wrap: wrap;
  padding: 6px 0;
  border-top: 1px dashed var(--hairline);
}
.api-row:first-child { border-top: 0; }
.api-label {
  display: inline-block;
  padding: 1px 6px 2px;
  font-size: 10px;
  font-weight: 600;
  background: var(--ink);
  color: var(--surface);
  flex-shrink: 0;
  min-width: 48px;
  text-align: center;
  letter-spacing: 0.06em;
}
.api-row code {
  background: var(--surface);
  border: 1px solid var(--hairline);
  padding: 2px 7px;
  font-size: 11px;
  color: var(--ink);
}
.api-aux { color: var(--mute); font-size: 11px; word-break: break-all; flex: 1; min-width: 220px; }
.api-aux a { color: var(--info); text-decoration: none; }
.api-aux a:hover { text-decoration: underline; }

/* flow timeline */
.flow {
  list-style: none;
  padding: 0;
  margin: 0;
  position: relative;
}
.flow::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: var(--hairline-strong);
}
.flow-step {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-left: 2px solid var(--hairline-strong);
  margin: 8px 0 8px 28px;
  padding: 14px 18px 14px 16px;
  position: relative;
}
.flow-step::before {
  content: "";
  position: absolute;
  left: -23px;
  top: 18px;
  width: 8px;
  height: 8px;
  background: var(--hairline-strong);
  border: 2px solid var(--paper);
}
.flow-step.phase-bar-ASR  { border-left-color: var(--p-ASR); }
.flow-step.phase-bar-NLU  { border-left-color: var(--p-NLU); }
.flow-step.phase-bar-LLM  { border-left-color: var(--p-LLM); }
.flow-step.phase-bar-TTS  { border-left-color: var(--p-TTS); }
.flow-step.phase-bar-绘本 { border-left-color: var(--p-绘本); }
.flow-step.phase-bar-网络 { border-left-color: var(--p-网络); }
.flow-step.phase-bar-技能 { border-left-color: var(--p-技能); }
.flow-step.phase-bar-系统 { border-left-color: var(--p-系统); }
.flow-step.phase-bar-ASR::before  { background: var(--p-ASR); }
.flow-step.phase-bar-NLU::before  { background: var(--p-NLU); }
.flow-step.phase-bar-LLM::before  { background: var(--p-LLM); }
.flow-step.phase-bar-TTS::before  { background: var(--p-TTS); }
.flow-step.phase-bar-绘本::before { background: var(--p-绘本); }
.flow-step.phase-bar-网络::before { background: var(--p-网络); }
.flow-step.phase-bar-技能::before { background: var(--p-技能); }
.flow-step.phase-bar-系统::before { background: var(--p-系统); }

.step-head { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.step-idx {
  display: inline-flex;
  width: 22px;
  height: 22px;
  background: var(--paper-deep);
  border: 1px solid var(--hairline-strong);
  color: var(--mute);
  align-items: center;
  justify-content: center;
  font-size: 10.5px;
  font-family: var(--font-mono);
  font-weight: 600;
}
.step-action { font-weight: 500; color: var(--ink); flex: 1; min-width: 0; font-size: 14px; }
.step-count {
  display: inline-block;
  background: var(--ink);
  color: var(--surface);
  padding: 1px 7px;
  font-size: 10px;
  font-family: var(--font-mono);
  font-weight: 600;
  margin-left: 6px;
  letter-spacing: 0.04em;
}
.step-dur {
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
}
.step-time {
  color: var(--mute);
  font-family: var(--font-mono);
  font-size: 10.5px;
}
.step-svc {
  color: var(--mute);
  font-size: 11px;
  margin: 4px 0 0 30px;
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}
.step-url {
  margin: 2px 0 0 30px;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11.5px;
}
.step-url-tag {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.08em;
  color: var(--mute);
  background: var(--paper-deep);
  border: 1px solid var(--hairline);
  padding: 1px 5px;
}
.step-url code {
  color: var(--ink-2);
  font-size: 11.5px;
  word-break: break-all;
  font-family: var(--font-mono);
}
.step-url-http .step-url-tag {
  color: var(--surface);
  background: var(--signal);
  border-color: var(--signal);
}
.step-url-http code { color: var(--ink); font-weight: 500; }

.step-hl {
  margin: 10px 0 0 30px;
  padding: 12px 14px;
  background: var(--paper);
  border-left: 2px solid var(--hairline);
  font-size: 13px;
}
.hl-row { padding: 4px 0; line-height: 1.55; display: flex; gap: 10px; align-items: baseline; }
.hl-row .hl-label {
  display: inline-block;
  min-width: 48px;
  color: var(--mute);
  font-size: 10px;
  font-family: var(--font-mono);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  flex-shrink: 0;
  padding-top: 1px;
}
.hl-val { color: var(--ink); flex: 1; min-width: 0; word-break: break-word; }
.hl-val.user { color: var(--ink); font-weight: 500; }
.hl-val.user::before { content: '"'; color: var(--mute-2); }
.hl-val.user::after { content: '"'; color: var(--mute-2); }
.hl-val.resp { color: var(--ink-2); }
.hl-row code {
  background: var(--surface);
  color: var(--ink);
  padding: 1px 6px;
  border: 1px solid var(--hairline);
  font-size: 11.5px;
}
.hl-row.hl-err .hl-label { color: var(--error); }
.hl-row.hl-err .hl-val { color: var(--error); }
.hl-url { font-family: var(--font-mono); font-size: 10.5px; word-break: break-all; color: var(--info); }

/* image grid in step */
.hl-imgrow .hl-val { display: flex; gap: 14px; flex-wrap: wrap; }
.hl-img { margin: 0; display: inline-flex; flex-direction: column; align-items: center; gap: 5px; }
.hl-img img { max-width: 160px; max-height: 160px; border: 1px solid var(--hairline-strong); background: var(--paper-deep); object-fit: contain; }
.hl-img figcaption { color: var(--mute); font-size: 10px; font-family: var(--font-mono); letter-spacing: 0.04em; display: flex; align-items: center; gap: 5px; }
.hl-img.img-fail img { display: none; }
.hl-audio { max-width: 320px; height: 28px; }

.copy-url {
  background: transparent;
  color: var(--mute);
  border: 1px solid var(--hairline-strong);
  padding: 1px 6px;
  font-size: 9.5px;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  cursor: pointer;
  text-transform: uppercase;
}
.copy-url:hover { background: var(--surface); color: var(--ink); border-color: var(--ink); }
.copy-url.copied { color: var(--ok); border-color: var(--ok); }

/* sub-events table inside grouped step */
.sub-events {
  margin-top: 8px;
  background: var(--paper);
  border: 1px solid var(--hairline);
  font-size: 11px;
  table-layout: auto;
  width: 100%;
}
.sub-events th { background: transparent; border-bottom: 1px solid var(--hairline); padding: 5px 10px; text-align: left; color: var(--mute); font-weight: 500; letter-spacing: 0.04em; text-transform: uppercase; font-size: 10px; }
.sub-events td { padding: 5px 10px; font-family: var(--font-mono); border-bottom: 1px solid var(--hairline); vertical-align: top; }
.sub-events tr:last-child td { border-bottom: 0; }
.sub-events td.dur { color: var(--mute); white-space: nowrap; }
.sub-events td.small, .sub-events td.mono { font-size: 11px; }
.sub-events td.small { color: var(--ink-2); }
.sub-events details summary { cursor: pointer; color: var(--info); font-family: var(--font-sans); font-size: 11px; }
.sub-events details[open] summary { color: var(--ink); }
.sub-payload {
  margin: 6px 0 0;
  background: var(--surface);
  border: 1px solid var(--hairline);
  padding: 8px 10px;
  font-size: 10.5px;
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 280px;
  overflow: auto;
  color: var(--ink-2);
}

.step-detail { margin: 8px 0 0 30px; font-size: 11px; }
.step-detail summary {
  color: var(--info);
  cursor: pointer;
  user-select: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
}
.step-detail summary:hover { text-decoration: underline; }
.step-detail pre {
  background: var(--paper-deep);
  border: 1px solid var(--hairline);
  padding: 10px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 10.5px;
  line-height: 1.55;
  margin: 6px 0 0;
  max-height: 320px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-all;
  color: var(--ink-2);
}

/* ---------- codes reference page ---------- */
.codes-table td.code {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
  color: var(--ink);
}
.codes-table td:nth-child(1) { width: 1%; padding-right: 18px; }
.codes-table td:nth-child(3) { width: 1%; }

/* ---------- footer stamp ---------- */
.page::after {
  content: "TURING · DEBUG-PORTAL · v1.0";
  display: block;
  margin: 60px 0 12px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--mute-2);
}

/* ---------- old-class compatibility patches ---------- */
.results .meta b { color: var(--ink); }
.users { width: 100%; }
.users .ops form { display: inline; }

/* htmx swap fade-in */
.htmx-swapping { opacity: 0; transition: opacity 100ms; }
.htmx-settling { opacity: 1; transition: opacity 200ms; }