:root {
  color-scheme: dark;
  --canvas: #070a0d;
  --canvas-raised: #0b0f13;
  --panel: #0e1318;
  --panel-soft: #121920;
  --panel-bright: #172028;
  --line: #24303a;
  --line-soft: #19232b;
  --text: #f2f6f7;
  --text-soft: #9aa8b2;
  --text-dim: #64727c;
  --signal: #d8ff42;
  --signal-deep: #a8d200;
  --signal-ink: #101600;
  --signal-pass: #77df9d;
  --signal-fail: #ff6b72;
  --signal-warn: #ffc766;
  --signal-info: #64b9ff;
  --mono: "SFMono-Regular", "Cascadia Code", "JetBrains Mono", Consolas, monospace;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --shadow: 0 18px 50px rgb(0 0 0 / 28%);
}

* {
  box-sizing: border-box;
}

/* Dynamic panels use the native hidden attribute as their single visibility
 * switch. This must override component grid/flex declarations. */
[hidden] {
  display: none !important;
}

html {
  min-width: 320px;
  background: var(--canvas);
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 72% -15%, rgb(216 255 66 / 7%), transparent 30rem),
    var(--canvas);
  font-family: var(--sans);
  font-size: 14px;
}

button,
input,
select,
textarea {
  color: inherit;
  font: inherit;
}

button,
select {
  cursor: pointer;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}

code,
pre {
  font-family: var(--mono);
}

.app-shell {
  /* 撑满视口并交给 flex 分配高度。左栏的运行按钮曾经靠
     calc(100vh - 78px) 定位，而顶栏实际有 145px 高（多一行模式切换），
     按钮就被推到首屏外。高度由布局算，不再写死数字。 */
  display: flex;
  flex-direction: column;
  height: 100vh;
}

.topbar {
  flex: none;
  z-index: 30;
  display: grid;
  grid-template-columns: minmax(250px, 0.75fr) minmax(420px, 1.2fr) auto;
  gap: 28px;
  align-items: center;
  min-height: 78px;
  padding: 12px 22px;
  border-bottom: 1px solid var(--line);
  background: rgb(7 10 13 / 91%);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  gap: 12px;
  align-items: center;
  color: inherit;
  text-decoration: none;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  letter-spacing: -0.02em;
  font-size: 16px;
}

.brand small {
  margin-top: 3px;
  color: var(--text-dim);
  font-size: 11px;
  letter-spacing: 0.06em;
}

.brand-mark,
.empty-wave {
  display: inline-flex;
  gap: 3px;
  align-items: center;
  justify-content: center;
}

.brand-mark {
  width: 36px;
  height: 36px;
  border: 1px solid rgb(216 255 66 / 35%);
  border-radius: 10px;
  background: rgb(216 255 66 / 6%);
}

.brand-mark span,
.empty-wave span {
  width: 2px;
  border-radius: 2px;
  background: var(--signal);
}

.brand-mark span:nth-child(1),
.brand-mark span:nth-child(5) { height: 8px; opacity: 0.45; }
.brand-mark span:nth-child(2),
.brand-mark span:nth-child(4) { height: 16px; opacity: 0.7; }
.brand-mark span:nth-child(3) { height: 24px; }

.server-control {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) auto;
  gap: 8px;
}

.server-input-wrap {
  position: relative;
}

.server-label {
  position: absolute;
  z-index: 1;
  top: 7px;
  left: 13px;
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.12em;
  pointer-events: none;
}

.server-input-wrap input {
  width: 100%;
  height: 50px;
  padding: 19px 13px 5px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #0a0f13;
  font-family: var(--mono);
  font-size: 12px;
}

.header-actions,
.case-actions,
.audio-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.header-actions {
  justify-content: flex-end;
}

.button,
.icon-button {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-soft);
  transition: 140ms ease;
  transition-property: border-color, color, background, transform, opacity;
}

.button {
  min-height: 39px;
  padding: 0 14px;
  font-weight: 650;
  font-size: 12px;
}

.button:hover,
.icon-button:hover {
  border-color: #43535f;
  background: var(--panel-bright);
}

.button:active,
.icon-button:active {
  transform: translateY(1px);
}

.button:disabled,
.icon-button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.button-primary {
  border-color: var(--signal);
  color: var(--signal-ink);
  background: var(--signal);
}

.button-primary:hover {
  border-color: #e5ff7a;
  background: #e5ff7a;
}

.button-danger,
.icon-button-danger {
  color: #ff9ca1;
}

.button-danger:hover,
.icon-button-danger:hover {
  border-color: rgb(255 107 114 / 55%);
  background: rgb(255 107 114 / 10%);
}

.button-square,
.icon-button {
  display: inline-grid;
  place-items: center;
  width: 39px;
  min-width: 39px;
  padding: 0;
}

.icon-button {
  height: 39px;
  font-weight: 750;
}

.button-run {
  border-color: var(--signal);
  color: var(--signal-ink);
  background: var(--signal);
}

.button-run:hover {
  border-color: #e7ff88;
  background: #e7ff88;
}

.status-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 7px;
  border-radius: 50%;
  background: var(--text-dim);
  box-shadow: 0 0 0 3px rgb(100 114 124 / 10%);
}

.status-dot.is-online {
  background: var(--signal-pass);
  box-shadow: 0 0 0 3px rgb(119 223 157 / 11%), 0 0 12px rgb(119 223 157 / 30%);
}

.status-dot.is-offline {
  background: var(--signal-fail);
  box-shadow: 0 0 0 3px rgb(255 107 114 / 10%);
}

.workspace {
  display: grid;
  grid-template-columns: 358px minmax(0, 1fr);
  flex: 1;
  /* 没有它，网格项会被内容撑高，把运行按钮顶出视口 */
  min-height: 0;
}

.case-panel {
  display: flex;
  flex-direction: column;
  min-height: 0;
  height: 100%;
  border-right: 1px solid var(--line);
  background: #090d11;
}

.panel-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: 24px 20px 16px;
}

.eyebrow {
  color: var(--signal);
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

.panel-heading h1 {
  margin: 5px 0 0;
  font-size: 22px;
  letter-spacing: -0.035em;
}

.suite-summary {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 0 20px 17px;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  border-radius: 9px;
  background: var(--panel);
}

.metric {
  min-width: 0;
  padding: 10px 7px;
  border-right: 1px solid var(--line-soft);
  text-align: center;
}

.metric:last-child {
  border-right: 0;
}

.metric span,
.metric small {
  display: block;
}

.metric span {
  overflow: hidden;
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 750;
  text-overflow: ellipsis;
}

.metric small {
  margin-top: 3px;
  color: var(--text-dim);
  font-size: 9px;
}

.metric-pass span { color: var(--signal-pass); }
.metric-fail span { color: var(--signal-fail); }
.metric-blocked span { color: var(--signal-warn); }

.case-toolbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 112px;
  gap: 8px;
  padding: 0 20px;
}

.search-box {
  position: relative;
}

.search-box > span {
  position: absolute;
  top: 50%;
  left: 11px;
  color: var(--text-dim);
  transform: translateY(-52%);
}

.search-box input,
.case-toolbar select {
  width: 100%;
  height: 36px;
  border: 1px solid var(--line-soft);
  border-radius: 7px;
  background: var(--panel);
  font-size: 11px;
}

.search-box input {
  padding: 0 10px 0 31px;
}

.case-toolbar select {
  padding: 0 8px;
  color: var(--text-soft);
}

.select-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px 8px;
  color: var(--text-dim);
  font-size: 10px;
}

.checkbox-label {
  display: inline-flex;
  gap: 7px;
  align-items: center;
}

input[type="checkbox"] {
  width: 14px;
  height: 14px;
  margin: 0;
  accent-color: var(--signal);
}

.case-list {
  flex: 1;
  /* min-height: 100px 会在窄屏下反过来撑破容器；0 才让列表老实收缩，
     把空间让给下面固定的运行按钮。 */
  min-height: 0;
  padding: 0 10px 18px;
  overflow-y: auto;
  scrollbar-color: #2c3943 transparent;
  scrollbar-width: thin;
}

.case-item {
  position: relative;
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr) auto;
  gap: 8px;
  align-items: start;
  margin-bottom: 3px;
  padding: 12px 11px;
  border: 1px solid transparent;
  border-radius: 8px;
  cursor: pointer;
  transition: 130ms ease;
}

.case-item:hover {
  background: var(--panel);
}

.case-item.is-active {
  border-color: rgb(216 255 66 / 25%);
  background: linear-gradient(90deg, rgb(216 255 66 / 8%), rgb(216 255 66 / 2%));
}

.case-item.is-active::before {
  position: absolute;
  top: 8px;
  bottom: 8px;
  left: -1px;
  width: 2px;
  border-radius: 0 2px 2px 0;
  background: var(--signal);
  content: "";
}

.case-checkbox {
  padding-top: 2px;
}

.case-main {
  min-width: 0;
}

.case-main strong {
  display: block;
  overflow: hidden;
  font-size: 12px;
  font-weight: 680;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.case-main small {
  display: block;
  margin-top: 5px;
  overflow: hidden;
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 9px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.case-tags {
  display: flex;
  gap: 4px;
  margin-top: 7px;
  overflow: hidden;
}

.case-tag,
.source-badge,
.format-pill,
.tab-count {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text-soft);
  background: rgb(255 255 255 / 2%);
  font-family: var(--mono);
  line-height: 1;
}

.case-tag {
  padding: 4px 6px;
  font-size: 8px;
  white-space: nowrap;
}

.case-run-state {
  width: 8px;
  height: 8px;
  margin-top: 4px;
  border-radius: 50%;
  background: var(--text-dim);
}

.case-run-state.passed { background: var(--signal-pass); }
.case-run-state.failed { background: var(--signal-fail); }
.case-run-state.blocked { background: var(--signal-warn); }
.case-run-state.running {
  border: 2px solid var(--signal);
  border-top-color: transparent;
  background: transparent;
  animation: spin 700ms linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.empty-list {
  padding: 36px 20px;
  color: var(--text-dim);
  text-align: center;
}

.batch-actions {
  flex: none;
  padding: 14px 20px 18px;
  border-top: 1px solid var(--line-soft);
  background: #090d11;
}

.batch-actions .button {
  width: 100%;
  height: 44px;
}

.batch-progress {
  min-height: 14px;
  margin: 9px 0 0;
  overflow: hidden;
  color: var(--text-dim);
  font-size: 10px;
  text-align: center;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.detail-panel {
  min-height: 0;
  overflow-y: auto;
  min-width: 0;
}

.view-tabs {
  position: sticky;
  z-index: 20;
  /* 贴滚动容器的顶部，不是视口。滚动容器是 .detail-panel（它自己滚动），
     顶栏在容器之外，所以这里必须是 0——写 78px 会让这条标签栏往下沉，
     正好盖住用例标题和右侧的发布/保存按钮。 */
  top: 0;
  display: flex;
  gap: 4px;
  align-items: center;
  height: 52px;
  padding: 0 28px;
  border-bottom: 1px solid var(--line);
  background: rgb(11 15 19 / 93%);
  backdrop-filter: blur(15px);
}

.view-tab,
.result-mode {
  border: 0;
  color: var(--text-dim);
  background: transparent;
  font-weight: 650;
}

.view-tab {
  position: relative;
  align-self: stretch;
  padding: 0 15px;
  font-size: 12px;
}

.view-tab.is-active {
  color: var(--text);
}

.view-tab.is-active::after {
  position: absolute;
  right: 10px;
  bottom: -1px;
  left: 10px;
  height: 2px;
  background: var(--signal);
  content: "";
}

.tab-count {
  min-width: 18px;
  height: 18px;
  justify-content: center;
  margin-left: 5px;
  font-size: 8px;
}

.tab-spacer {
  flex: 1;
}

.save-state {
  color: var(--text-dim);
  font-size: 10px;
}

.save-state.is-dirty { color: var(--signal-warn); }
.save-state.is-saving { color: var(--signal-info); }
.save-state.is-saved { color: var(--signal-pass); }

.view {
  display: none;
}

.view.is-active {
  display: block;
}

#editor-view {
  padding: 28px;
}

.case-title-row {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  justify-content: space-between;
  max-width: 1440px;
  margin: 0 auto 22px;
}

.title-editor {
  display: grid;
  grid-template-columns: auto minmax(220px, 520px);
  gap: 6px 10px;
  align-items: center;
  min-width: 0;
}

.source-badge {
  grid-row: span 2;
  padding: 6px 8px;
  border-color: rgb(216 255 66 / 30%);
  color: var(--signal);
  font-size: 8px;
}

.title-editor input {
  width: 100%;
  border: 0;
  background: transparent;
}

#case-name {
  font-size: 21px;
  font-weight: 750;
  letter-spacing: -0.025em;
}

#case-description {
  color: var(--text-soft);
  font-size: 11px;
}

.definition-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 18px;
  max-width: 1440px;
  margin: 0 auto;
}

.definition-card {
  min-width: 0;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: linear-gradient(145deg, rgb(18 25 32 / 88%), rgb(12 17 22 / 96%));
  box-shadow: var(--shadow);
}

.input-card { border-top-color: rgb(100 185 255 / 35%); }
.output-card { border-top-color: rgb(216 255 66 / 40%); }

.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 22px;
}

.card-header > div {
  display: grid;
  grid-template-columns: auto auto;
  gap: 3px 9px;
  align-items: center;
}

.card-header h2 {
  grid-column: 2;
  margin: 0;
  font-size: 18px;
  letter-spacing: -0.025em;
}

.step-index {
  grid-row: span 2;
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 24px;
  font-weight: 300;
}

.format-pill {
  padding: 6px 8px;
  font-size: 8px;
}

.format-pill-accent {
  border-color: rgb(216 255 66 / 28%);
  color: var(--signal);
}

.form-grid {
  display: grid;
  gap: 11px;
}

.compact-grid {
  grid-template-columns: 1.15fr 90px 1.5fr;
}

.expected-controls {
  grid-template-columns: 0.7fr 1.4fr 0.9fr;
}

.form-grid label,
.editor-label {
  display: flex;
  flex-direction: column;
  gap: 7px;
  min-width: 0;
}

.form-grid label > span,
.editor-label > span,
.field-label {
  color: var(--text-soft);
  font-size: 10px;
  font-weight: 650;
}

.form-grid input,
.form-grid select,
.editor-label > input {
  width: 100%;
  height: 39px;
  padding: 0 11px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #0a0f13;
  font-family: var(--mono);
  font-size: 11px;
}

.path-field input {
  color: #b7dbf8;
}

.audio-field {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(130px, 220px) auto;
  gap: 12px;
  align-items: center;
  margin: 17px 0;
  padding: 13px;
  border: 1px dashed #33424d;
  border-radius: 8px;
  background: rgb(7 10 13 / 35%);
}

.audio-copy {
  min-width: 0;
}

.audio-copy > * {
  display: block;
}

.audio-copy strong {
  margin-top: 4px;
  overflow: hidden;
  font-size: 11px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.audio-copy small {
  margin-top: 4px;
  color: var(--text-dim);
  font-size: 9px;
  line-height: 1.45;
}

.audio-required-toggle {
  display: inline-flex;
  gap: 6px;
  align-items: center;
  margin-top: 8px;
  color: var(--text-soft);
  font-size: 9px;
}

.audio-required-toggle input {
  flex: 0 0 auto;
}

.audio-field audio {
  width: 100%;
  height: 31px;
}

.editor-label {
  margin-top: 16px;
}

.editor-label code {
  color: var(--text-dim);
  font-size: 9px;
  font-weight: 400;
}

.inline-help {
  margin-left: 5px;
  padding: 0;
  border: 0;
  color: var(--signal-info);
  background: transparent;
  font-size: 9px;
}

.code-editor {
  width: 100%;
  min-height: 174px;
  padding: 13px 14px;
  resize: vertical;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: #d7e6ef;
  background:
    linear-gradient(90deg, rgb(100 185 255 / 4%) 1px, transparent 1px) 0 0 / 22px 22px,
    linear-gradient(rgb(100 185 255 / 3%) 1px, transparent 1px) 0 0 / 22px 22px,
    #080d11;
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1.65;
  tab-size: 2;
}

.code-editor-tall {
  min-height: 260px;
  background:
    linear-gradient(90deg, rgb(216 255 66 / 3%) 1px, transparent 1px) 0 0 / 22px 22px,
    linear-gradient(rgb(216 255 66 / 2%) 1px, transparent 1px) 0 0 / 22px 22px,
    #080d11;
}

.code-editor.is-invalid {
  border-color: var(--signal-fail);
}

.field-error {
  min-height: 13px;
  color: var(--signal-fail);
  font-family: var(--mono);
  font-size: 9px;
}

.assertion-editor {
  margin-top: 18px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #090e12;
}

.assertion-toolbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 10px;
  align-items: end;
  padding: 13px;
  border-bottom: 1px solid var(--line-soft);
  background: rgb(216 255 66 / 2.5%);
}

.assertion-toolbar strong,
.assertion-toolbar small {
  display: block;
}

.assertion-toolbar strong {
  font-size: 11px;
}

.assertion-toolbar small {
  margin-top: 4px;
  color: var(--text-dim);
  font-size: 9px;
  line-height: 1.4;
}

.definition-mode-label {
  display: grid;
  gap: 5px;
}

.definition-mode-label span {
  color: var(--text-dim);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.definition-mode-label select {
  height: 34px;
  padding: 0 9px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #0a0f13;
  font-family: var(--mono);
  font-size: 9px;
}

.assertion-toolbar .button {
  height: 34px;
}

.field-assertions {
  padding: 0 13px 13px;
}

.assertion-columns,
.assertion-row {
  display: grid;
  grid-template-columns: minmax(155px, 1.25fr) minmax(92px, 0.65fr) minmax(116px, 0.9fr) minmax(150px, 1.15fr) 31px;
  gap: 7px;
  align-items: center;
}

.assertion-columns {
  padding: 10px 1px 7px;
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 7px;
  letter-spacing: 0.08em;
}

.assertion-list {
  display: grid;
  gap: 7px;
}

.assertion-row {
  padding: 7px;
  border: 1px solid var(--line-soft);
  border-radius: 7px;
  background: #0c1217;
}

.assertion-row input,
.assertion-row select {
  width: 100%;
  min-width: 0;
  height: 34px;
  padding: 0 9px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: #d7e6ef;
  background: #080d11;
  font-family: var(--mono);
  font-size: 9px;
}

.assertion-row .assertion-quantifier:disabled {
  color: var(--text-dim);
  background: #0b1014;
  opacity: 0.72;
}

.assertion-row .assertion-path {
  color: var(--signal-info);
}

.assertion-row input:disabled {
  color: var(--text-dim);
  background: #0b1014;
  opacity: 0.72;
}

.assertion-remove {
  width: 31px;
  height: 31px;
}

.assertion-empty {
  margin-top: 13px;
  padding: 18px;
  border: 1px dashed var(--line);
  border-radius: 7px;
  color: var(--text-dim);
  font-size: 9px;
  text-align: center;
}

.json-assertions {
  padding: 0 13px 13px;
}

.json-mode-note {
  margin: 8px 0 0;
  color: var(--signal-warn);
  font-size: 9px;
  line-height: 1.5;
}

.assertion-error {
  display: block;
  padding: 0 13px 8px;
}

.matcher-cheatsheet {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 9px;
}

.matcher-cheatsheet button {
  padding: 5px 8px;
  border: 1px solid var(--line-soft);
  border-radius: 5px;
  color: var(--text-dim);
  background: #0a0f13;
  font-family: var(--mono);
  font-size: 8px;
}

.matcher-cheatsheet button:hover {
  border-color: rgb(216 255 66 / 28%);
  color: var(--signal);
}

.run-current-wrap {
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  margin-top: 19px;
  padding-top: 17px;
  border-top: 1px solid var(--line-soft);
}

.run-current-wrap strong,
.run-current-wrap small {
  display: block;
}

.run-current-wrap strong {
  font-size: 11px;
}

.run-current-wrap small {
  margin-top: 4px;
  color: var(--text-dim);
  font-size: 9px;
}

#result-view {
  max-width: 1440px;
  margin: 0 auto;
  padding: 32px;
}

.result-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.result-heading h2 {
  margin: 5px 0 6px;
  font-size: 24px;
  letter-spacing: -0.035em;
}

.result-heading p {
  margin: 0;
  color: var(--text-soft);
  font-size: 11px;
}

.result-badge {
  min-width: 86px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 750;
  letter-spacing: 0.12em;
  text-align: center;
}

.result-pass { border-color: rgb(119 223 157 / 45%); color: var(--signal-pass); background: rgb(119 223 157 / 8%); }
.result-fail { border-color: rgb(255 107 114 / 45%); color: var(--signal-fail); background: rgb(255 107 114 / 8%); }
.result-blocked { border-color: rgb(255 199 102 / 45%); color: var(--signal-warn); background: rgb(255 199 102 / 8%); }
.result-running { border-color: rgb(100 185 255 / 45%); color: var(--signal-info); background: rgb(100 185 255 / 8%); }
.result-idle { color: var(--text-dim); }

.result-empty {
  display: grid;
  place-items: center;
  min-height: 470px;
  border: 1px dashed var(--line);
  border-radius: 12px;
  color: var(--text-dim);
  background: rgb(14 19 24 / 50%);
  text-align: center;
}

.result-empty > * {
  grid-column: 1;
}

.result-empty strong {
  margin-top: -120px;
  color: var(--text-soft);
}

.result-empty p {
  max-width: 480px;
  margin: -150px 20px 0;
  font-size: 11px;
  line-height: 1.7;
}

.empty-wave {
  height: 80px;
}

.empty-wave span:nth-child(1), .empty-wave span:nth-child(7) { height: 12px; opacity: 0.3; }
.empty-wave span:nth-child(2), .empty-wave span:nth-child(6) { height: 28px; opacity: 0.5; }
.empty-wave span:nth-child(3), .empty-wave span:nth-child(5) { height: 46px; opacity: 0.75; }
.empty-wave span:nth-child(4) { height: 64px; }

.run-metadata {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--panel);
}

.run-metadata > div {
  padding: 14px 16px;
  border-right: 1px solid var(--line-soft);
}

.run-metadata > div:last-child { border-right: 0; }
.run-metadata span, .run-metadata strong { display: block; }
.run-metadata span { color: var(--text-dim); font-size: 9px; }
.run-metadata strong { margin-top: 5px; overflow: hidden; font-family: var(--mono); font-size: 12px; text-overflow: ellipsis; white-space: nowrap; }

.result-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 17px 0 10px;
}

.segmented-control {
  display: inline-flex;
  gap: 3px;
  padding: 3px;
  border: 1px solid var(--line-soft);
  border-radius: 7px;
  background: #090d11;
}

.result-mode {
  padding: 7px 10px;
  border-radius: 5px;
  font-size: 10px;
}

.result-mode.is-active {
  color: var(--text);
  background: var(--panel-bright);
}

.result-mode-panel { display: none; }
.result-mode-panel.is-active { display: block; }

.diff-header,
.diff-row {
  display: grid;
  grid-template-columns: minmax(180px, 0.6fr) minmax(0, 1fr) minmax(0, 1fr);
}

.diff-header {
  border: 1px solid var(--line);
  border-bottom: 0;
  border-radius: 8px 8px 0 0;
  color: var(--text-dim);
  background: #0a0f13;
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.1em;
}

.diff-header span,
.diff-cell {
  min-width: 0;
  padding: 10px 12px;
  border-right: 1px solid var(--line-soft);
}

.diff-header span:last-child,
.diff-cell:last-child { border-right: 0; }

.diff-list {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 0 0 8px 8px;
}

.diff-row {
  border-bottom: 1px solid var(--line-soft);
  background: var(--panel);
}

.diff-row:last-child { border-bottom: 0; }

.diff-cell {
  overflow-wrap: anywhere;
  font-family: var(--mono);
  font-size: 10px;
  line-height: 1.55;
  white-space: pre-wrap;
}

.diff-cell-path {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  color: #b6c4cd;
}

.diff-kind {
  flex: 0 0 auto;
  padding: 2px 4px;
  border-radius: 3px;
  font-size: 7px;
  font-weight: 750;
  letter-spacing: 0.06em;
}

.diff-row.equal .diff-kind { color: var(--signal-pass); background: rgb(119 223 157 / 10%); }
.diff-row.changed .diff-kind, .diff-row.type .diff-kind { color: var(--signal-fail); background: rgb(255 107 114 / 12%); }
.diff-row.missing .diff-kind { color: var(--signal-warn); background: rgb(255 199 102 / 12%); }
.diff-row.extra .diff-kind { color: var(--signal-info); background: rgb(100 185 255 / 12%); }
.diff-row.matcher .diff-kind { color: #bd9cff; background: rgb(189 156 255 / 12%); }

.diff-row.changed .diff-expected,
.diff-row.type .diff-expected,
.diff-row.missing .diff-expected {
  color: #ffbdc0;
  background: rgb(255 107 114 / 5%);
}

.diff-row.changed .diff-actual,
.diff-row.type .diff-actual,
.diff-row.extra .diff-actual {
  color: #a8d9ff;
  background: rgb(100 185 255 / 5%);
}

.diff-empty {
  padding: 32px;
  color: var(--signal-pass);
  text-align: center;
}

.raw-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.raw-grid section {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #080d11;
}

.raw-grid header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 12px;
  border-bottom: 1px solid var(--line-soft);
  color: var(--text-soft);
  font-family: var(--mono);
  font-size: 9px;
}

.raw-grid header small { color: var(--text-dim); }

.raw-grid pre {
  max-height: 520px;
  margin: 0;
  padding: 14px;
  overflow: auto;
  color: #c9d9e2;
  font-size: 10px;
  line-height: 1.65;
  white-space: pre-wrap;
}

.run-history {
  display: grid;
  gap: 7px;
}

.history-row {
  display: grid;
  grid-template-columns: 11px minmax(180px, 1fr) 90px 80px 90px;
  gap: 12px;
  align-items: center;
  padding: 11px 13px;
  border: 1px solid var(--line-soft);
  border-radius: 7px;
  background: var(--panel);
  font-size: 10px;
}

.history-row button {
  min-width: 0;
  overflow: hidden;
  padding: 0;
  border: 0;
  color: var(--text);
  background: transparent;
  font-weight: 650;
  text-align: left;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.history-state {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.history-state.passed { background: var(--signal-pass); }
.history-state.failed { background: var(--signal-fail); }
.history-state.blocked { background: var(--signal-warn); }
.history-meta { color: var(--text-dim); font-family: var(--mono); }

.toast-region {
  position: fixed;
  z-index: 80;
  right: 20px;
  bottom: 20px;
  display: grid;
  gap: 8px;
  width: min(360px, calc(100vw - 40px));
}

.toast {
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--signal-info);
  border-radius: 8px;
  color: var(--text-soft);
  background: rgb(14 19 24 / 96%);
  box-shadow: var(--shadow);
  font-size: 11px;
  line-height: 1.5;
  animation: toast-in 160ms ease-out;
}

.toast.error { border-left-color: var(--signal-fail); }
.toast.success { border-left-color: var(--signal-pass); }
.toast.warning { border-left-color: var(--signal-warn); }

@keyframes toast-in {
  from { opacity: 0; transform: translateY(8px); }
}

.guide-dialog {
  width: min(780px, calc(100vw - 40px));
  max-height: min(830px, calc(100vh - 40px));
  padding: 0;
  overflow: hidden;
  border: 1px solid #3a4852;
  border-radius: 12px;
  color: var(--text);
  background: var(--panel);
  box-shadow: 0 30px 100px rgb(0 0 0 / 58%);
}

.guide-dialog::backdrop {
  background: rgb(0 0 0 / 68%);
  backdrop-filter: blur(5px);
}

.guide-dialog form {
  display: flex;
  flex-direction: column;
  max-height: inherit;
}

.guide-dialog header,
.guide-dialog footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 21px;
  border-bottom: 1px solid var(--line);
}

.guide-dialog header h2 {
  margin: 4px 0 0;
  font-size: 20px;
}

.guide-dialog footer {
  justify-content: flex-end;
  border-top: 1px solid var(--line);
  border-bottom: 0;
}

.guide-content {
  padding: 22px;
  overflow-y: auto;
}

.guide-content section {
  margin-bottom: 25px;
}

.guide-content section:last-child { margin-bottom: 0; }

.guide-content h3 {
  margin-bottom: 8px;
  font-size: 13px;
}

.guide-content p {
  color: var(--text-soft);
  font-size: 11px;
  line-height: 1.7;
}

.guide-content pre {
  padding: 15px;
  overflow-x: auto;
  border: 1px solid var(--line-soft);
  border-radius: 7px;
  color: #d2e1e9;
  background: #080d11;
  font-size: 10px;
  line-height: 1.6;
}

.guide-table {
  display: grid;
  grid-template-columns: 210px 1fr;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  border-radius: 7px;
}

.guide-table > * {
  padding: 9px 11px;
  border-bottom: 1px solid var(--line-soft);
}

.guide-table > *:nth-last-child(-n + 2) { border-bottom: 0; }
.guide-table code { color: var(--signal); background: #090e12; font-size: 10px; }
.guide-table span { color: var(--text-soft); font-size: 10px; }

.guide-note {
  padding: 14px;
  border: 1px solid rgb(216 255 66 / 20%);
  border-radius: 7px;
  background: rgb(216 255 66 / 4%);
}

.guide-note p { margin: 6px 0 0; }

.editor-mode-switch {
  display: inline-flex;
  gap: 3px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #090e12;
}

.editor-mode-button {
  min-height: 34px;
  padding: 0 11px;
  border: 0;
  border-radius: 6px;
  color: var(--text-dim);
  background: transparent;
  font-size: 11px;
  font-weight: 700;
}

.editor-mode-button:hover {
  color: var(--text-soft);
  background: var(--panel-soft);
}

.editor-mode-button.is-active {
  color: var(--signal-ink);
  background: var(--signal);
}

.basic-editor {
  max-width: 1120px;
  margin: 0 auto;
}

.basic-stepper {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 10px;
}

.basic-step {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 9px;
  align-items: center;
  min-width: 0;
  min-height: 58px;
  padding: 8px 10px;
  border: 1px solid var(--line-soft);
  border-radius: 9px;
  color: var(--text-dim);
  text-align: left;
  background: rgb(12 17 22 / 72%);
  transition: 140ms ease;
  transition-property: border-color, color, background;
}

.basic-step:hover {
  border-color: #3b4a55;
  color: var(--text-soft);
}

.basic-step.is-active {
  border-color: rgb(216 255 66 / 48%);
  color: var(--text);
  background: linear-gradient(135deg, rgb(216 255 66 / 9%), rgb(18 25 32 / 92%));
}

.basic-step.is-complete {
  color: var(--text-soft);
}

.basic-step-number {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--text-soft);
  font-family: var(--mono);
  font-size: 10px;
}

.basic-step.is-active .basic-step-number {
  border-color: var(--signal);
  color: var(--signal-ink);
  background: var(--signal);
}

.basic-step.is-complete .basic-step-number {
  border-color: rgb(119 223 157 / 45%);
  color: var(--signal-pass);
  background: rgb(119 223 157 / 8%);
}

.basic-step strong,
.basic-step small {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.basic-step strong {
  font-size: 12px;
}

.basic-step small {
  margin-top: 3px;
  color: var(--text-dim);
  font-size: 9px;
}

.basic-readiness {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.basic-ready-item {
  display: inline-flex;
  gap: 7px;
  align-items: center;
  padding: 6px 9px;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  color: var(--text-dim);
  background: rgb(12 17 22 / 65%);
  font-size: 9px;
}

.basic-ready-item i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--text-dim);
}

.basic-ready-item.is-ready {
  border-color: rgb(119 223 157 / 26%);
  color: var(--signal-pass);
}

.basic-ready-item.is-ready i {
  background: var(--signal-pass);
  box-shadow: 0 0 10px rgb(119 223 157 / 45%);
}

.basic-step-panel {
  min-height: 450px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background:
    linear-gradient(145deg, rgb(18 25 32 / 90%), rgb(10 15 19 / 96%)),
    var(--panel);
  box-shadow: var(--shadow);
}

.basic-panel-heading {
  display: flex;
  gap: 24px;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 22px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line-soft);
}

.basic-panel-heading h2 {
  margin: 3px 0 0;
  font-size: 23px;
  letter-spacing: -0.03em;
}

.basic-panel-heading p {
  max-width: 460px;
  margin: 0;
  color: var(--text-dim);
  font-size: 10px;
  line-height: 1.65;
  text-align: right;
}

.basic-form-grid {
  display: grid;
  grid-template-columns: minmax(220px, .72fr) minmax(260px, 1.28fr);
  gap: 16px;
}

.basic-form-grid label,
.tts-text-field,
.tts-options label {
  display: grid;
  gap: 8px;
}

.basic-form-grid label > span,
.tts-text-field > span,
.tts-options label > span {
  color: var(--text-soft);
  font-size: 10px;
  font-weight: 700;
}

.basic-form-grid input,
.basic-form-grid select,
.tts-panel textarea,
.tts-panel select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #090e12;
}

.basic-form-grid input,
.basic-form-grid select,
.tts-panel select {
  min-height: 44px;
  padding: 0 12px;
}

.basic-form-grid small,
.tts-panel small,
.recording-panel small,
.basic-audio-ready small,
.basic-result-hero small {
  color: var(--text-dim);
  font-size: 9px;
}

.basic-managed-config,
.basic-notice {
  margin-top: 16px;
  border-radius: 8px;
}

.basic-managed-config {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  padding: 11px 12px;
  border: 1px dashed var(--line);
  color: var(--text-dim);
  background: rgb(7 10 13 / 55%);
  font-size: 9px;
}

.basic-managed-config code {
  padding: 4px 7px;
  border: 1px solid var(--line-soft);
  border-radius: 5px;
  color: var(--text-soft);
  background: var(--panel-soft);
}

.basic-notice {
  padding: 12px 14px;
  border: 1px solid rgb(100 185 255 / 20%);
  color: var(--text-soft);
  background: rgb(100 185 255 / 5%);
  font-size: 10px;
  line-height: 1.6;
}

.basic-panel-actions {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--line-soft);
}

.basic-panel-actions > div {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.basic-action-note {
  color: var(--text-dim);
  font-size: 9px;
}

.audio-source-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 14px;
}

.audio-source-button {
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text-soft);
  background: #090e12;
  font-size: 11px;
  font-weight: 700;
}

.audio-source-button:hover {
  border-color: #465660;
  background: var(--panel-soft);
}

.audio-source-button.is-active {
  border-color: rgb(216 255 66 / 60%);
  color: var(--signal);
  background: rgb(216 255 66 / 7%);
}

.audio-source-panel {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgb(7 10 13 / 52%);
}

.audio-dropzone {
  display: grid;
  width: 100%;
  min-height: 180px;
  place-items: center;
  border: 1px dashed #3a4954;
  border-radius: 8px;
  color: var(--text-soft);
  background:
    repeating-linear-gradient(90deg, transparent 0 34px, rgb(255 255 255 / 1.5%) 35px),
    repeating-linear-gradient(0deg, transparent 0 34px, rgb(255 255 255 / 1.5%) 35px);
}

.audio-dropzone:hover {
  border-color: var(--signal);
  color: var(--signal);
  background-color: rgb(216 255 66 / 3%);
}

.audio-dropzone strong,
.audio-dropzone small {
  display: block;
}

.audio-dropzone small {
  margin-top: 7px;
  color: var(--text-dim);
}

.recording-panel {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  min-height: 128px;
  padding: 18px;
  border: 1px dashed var(--line);
  border-radius: 8px;
}

.recording-panel strong,
.recording-panel small {
  display: block;
}

.recording-panel small {
  margin-top: 5px;
}

.recording-indicator {
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--panel-soft);
}

.recording-indicator.is-recording {
  border-color: var(--signal-fail);
  background: var(--signal-fail);
  box-shadow: 0 0 0 7px rgb(255 107 114 / 8%);
  animation: recording-pulse 1.2s ease-in-out infinite;
}

@keyframes recording-pulse {
  50% { box-shadow: 0 0 0 12px rgb(255 107 114 / 3%); }
}

.tts-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 210px;
  gap: 16px;
}

.tts-panel textarea {
  min-height: 132px;
  padding: 12px;
  resize: vertical;
  line-height: 1.65;
}

.tts-options {
  display: grid;
  gap: 12px;
  align-content: start;
}

.tts-status {
  min-height: 18px;
  margin: 12px 0 0;
  color: var(--text-dim);
  font-size: 9px;
}

.tts-status.is-error { color: var(--signal-fail); }
.tts-status.is-success { color: var(--signal-pass); }

.basic-audio-ready {
  display: grid;
  grid-template-columns: minmax(180px, 310px) minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  margin-top: 14px;
  padding: 12px;
  border: 1px solid rgb(119 223 157 / 28%);
  border-radius: 9px;
  background: rgb(119 223 157 / 5%);
}

.basic-audio-ready audio {
  width: 100%;
  height: 34px;
}

.basic-audio-ready strong,
.basic-audio-ready small {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.basic-audio-ready small {
  margin-top: 4px;
}

.basic-audio-ready .source-badge {
  grid-row: auto;
}

.basic-assertion-list,
.basic-result-diffs {
  display: grid;
  gap: 9px;
}

.basic-assertion-toolbar {
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  padding: 11px 12px;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  background: rgb(216 255 66 / 3%);
}

.basic-assertion-toolbar strong,
.basic-assertion-toolbar small {
  display: block;
}

.basic-assertion-toolbar strong {
  font-size: 11px;
}

.basic-assertion-toolbar small {
  margin-top: 4px;
  color: var(--text-dim);
  font-size: 9px;
}

.basic-assertion-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(230px, 0.72fr) auto;
  gap: 14px;
  align-items: end;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgb(7 10 13 / 58%);
}

.basic-assertion-item:hover {
  border-color: #3c4b56;
}

.basic-assertion-item strong,
.basic-assertion-item small {
  display: block;
}

.basic-assertion-item small {
  margin-top: 4px;
  color: var(--text-dim);
  font-size: 9px;
}

.basic-assertion-item code {
  display: block;
  max-width: 100%;
  margin-top: 7px;
  overflow: hidden;
  color: var(--signal-info);
  font-size: 9px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.assertion-card-title {
  min-width: 0;
}

.assertion-card-heading {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}

.assertion-origin-badge,
.assertion-required-badge {
  display: inline-flex;
  align-items: center;
  min-height: 19px;
  padding: 0 7px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text-dim);
  background: rgb(255 255 255 / 2%);
  font-family: var(--mono);
  font-size: 7px;
  letter-spacing: 0.06em;
}

.assertion-origin-model {
  border-color: rgb(100 185 255 / 34%);
  color: var(--signal-info);
}

.assertion-origin-observed {
  border-color: rgb(255 199 102 / 34%);
  color: var(--signal-warn);
}

.assertion-origin-custom,
.assertion-origin-case {
  border-color: rgb(216 255 66 / 28%);
  color: var(--signal);
}

.assertion-card-controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(108px, 1fr));
  gap: 8px;
}

.assertion-card-controls.has-quantifier {
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
}

.assertion-control {
  display: grid;
  gap: 5px;
  min-width: 0;
}

.assertion-control > span {
  color: var(--text-dim);
  font-size: 7px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.assertion-control input,
.assertion-control select {
  width: 100%;
  min-width: 0;
  height: 34px;
  padding: 0 9px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: #d7e6ef;
  background: #080d11;
  font-family: var(--mono);
  font-size: 9px;
}

.assertion-card-remove {
  margin-bottom: 1px;
}

.assertion-card-empty {
  padding: 28px 18px;
  border: 1px dashed var(--line);
  border-radius: 8px;
  color: var(--text-dim);
  background: rgb(7 10 13 / 45%);
  font-size: 10px;
  text-align: center;
}

.assertion-drawer {
  position: fixed;
  z-index: 90;
  inset: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, 520px);
}

.assertion-drawer-backdrop {
  width: 100%;
  height: 100%;
  border: 0;
  border-radius: 0;
  background: rgb(0 0 0 / 66%);
  backdrop-filter: blur(4px);
}

.assertion-drawer-panel {
  display: flex;
  min-width: 0;
  height: 100vh;
  flex-direction: column;
  overflow: hidden;
  border-left: 1px solid #33414b;
  background:
    linear-gradient(180deg, rgb(216 255 66 / 4%), transparent 180px),
    #0a0f13;
  box-shadow: -24px 0 60px rgb(0 0 0 / 42%);
  animation: assertion-drawer-in 180ms ease-out;
}

@keyframes assertion-drawer-in {
  from { transform: translateX(28px); opacity: 0.65; }
  to { transform: translateX(0); opacity: 1; }
}

.assertion-drawer-header {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  justify-content: space-between;
  padding: 22px 22px 16px;
  border-bottom: 1px solid var(--line);
}

.assertion-drawer-header h2 {
  margin: 4px 0 0;
  font-size: 20px;
  letter-spacing: -0.025em;
}

.assertion-drawer-header p {
  max-width: 390px;
  margin: 8px 0 0;
  color: var(--text-dim);
  font-size: 9px;
  line-height: 1.55;
}

.assertion-drawer-tools {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 9px;
  align-items: end;
  padding: 15px 22px 11px;
}

.assertion-search-field {
  display: grid;
  gap: 6px;
}

.assertion-search-field span,
.assertion-custom-form .field span {
  color: var(--text-dim);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.assertion-search-field input,
.assertion-custom-form input {
  width: 100%;
  height: 39px;
  padding: 0 11px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #080d11;
  font-family: var(--mono);
  font-size: 10px;
}

.catalog-status {
  min-height: 32px;
  margin: 0 22px 10px;
  padding: 8px 10px;
  border: 1px solid var(--line-soft);
  border-radius: 6px;
  color: var(--text-dim);
  background: rgb(255 255 255 / 1.5%);
  font-size: 9px;
  line-height: 1.5;
}

.catalog-status.is-warning { color: var(--signal-warn); }
.catalog-status.is-ready { color: var(--signal-pass); }

.assertion-field-catalog {
  display: grid;
  gap: 16px;
  padding: 0 22px 22px;
  overflow-y: auto;
}

.assertion-catalog-group {
  display: grid;
  gap: 7px;
}

.assertion-catalog-group > header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  color: var(--text-soft);
}

.assertion-catalog-group > header strong {
  font-size: 10px;
}

.assertion-catalog-group > header small {
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 8px;
}

.assertion-catalog-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  width: 100%;
  padding: 10px 11px;
  border: 1px solid var(--line-soft);
  border-radius: 7px;
  color: var(--text);
  background: #0d1318;
  text-align: left;
}

.assertion-catalog-item:hover:not(:disabled) {
  border-color: rgb(216 255 66 / 42%);
  background: rgb(216 255 66 / 5%);
}

.assertion-catalog-item:disabled {
  opacity: 0.48;
}

.assertion-catalog-item strong,
.assertion-catalog-item code,
.assertion-catalog-item small {
  display: block;
}

.assertion-catalog-item strong {
  font-size: 10px;
}

.assertion-catalog-item code {
  margin-top: 5px;
  overflow: hidden;
  color: var(--signal-info);
  font-size: 8px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.assertion-catalog-item small {
  margin-top: 5px;
  color: var(--text-dim);
  font-size: 8px;
  line-height: 1.4;
}

.assertion-catalog-item-state {
  color: var(--signal);
  font-family: var(--mono);
  font-size: 8px;
  white-space: nowrap;
}

.assertion-custom-form {
  display: grid;
  gap: 10px;
  margin-top: auto;
  padding: 15px 22px 20px;
  border-top: 1px solid var(--line);
  background: #090e12;
}

.assertion-custom-form > div strong,
.assertion-custom-form > div small {
  display: block;
}

.assertion-custom-form > div strong { font-size: 10px; }
.assertion-custom-form > div small {
  margin-top: 4px;
  color: var(--text-dim);
  font-size: 8px;
  line-height: 1.4;
}

.assertion-custom-form .field {
  display: grid;
  gap: 6px;
}

.basic-result-hero {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgb(7 10 13 / 58%);
}

.basic-result-hero.basic-result-passed {
  border-color: rgb(119 223 157 / 34%);
  background: rgb(119 223 157 / 6%);
}

.basic-result-hero.basic-result-failed,
.basic-result-hero.basic-result-blocked {
  border-color: rgb(255 107 114 / 34%);
  background: rgb(255 107 114 / 5%);
}

.basic-result-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  font-family: var(--mono);
  font-size: 16px;
}

.basic-result-passed .basic-result-mark { color: var(--signal-pass); border-color: var(--signal-pass); }
.basic-result-failed .basic-result-mark,
.basic-result-blocked .basic-result-mark { color: var(--signal-fail); border-color: var(--signal-fail); }

.basic-result-hero strong,
.basic-result-hero small {
  display: block;
}

#basic-result-meta {
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 9px;
  text-align: right;
}

.basic-result-diffs {
  margin-top: 14px;
}

.basic-result-diff {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  padding: 11px 12px;
  border-bottom: 1px solid var(--line-soft);
}

.basic-result-diff span:first-child {
  color: var(--signal-fail);
}

.basic-result-diff-passed span:first-child {
  color: var(--signal-pass);
}

.basic-result-diff code {
  color: var(--text-dim);
  font-size: 9px;
}

@media (max-width: 1120px) {
  .topbar {
    grid-template-columns: auto minmax(360px, 1fr);
  }

  .header-actions {
    grid-column: 1 / -1;
    justify-content: flex-start;
  }

  .workspace {
    grid-template-columns: 310px minmax(0, 1fr);
  }

  .definition-grid {
    grid-template-columns: 1fr;
  }

  .case-title-row {
    flex-direction: column;
  }

  .basic-panel-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .basic-panel-heading p {
    text-align: left;
  }

  .compact-grid {
    grid-template-columns: 1fr 90px;
  }

  .path-field {
    grid-column: 1 / -1;
  }
}

@media (max-width: 760px) {
  .topbar {
    position: static;
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 14px;
  }

  /* Import, export, and format help remain reachable on narrow screens. */
  .header-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
  }

  .server-control {
    grid-template-columns: 1fr auto;
  }

  .workspace {
    display: block;
  }

  .case-panel {
    position: static;
    height: auto;
    max-height: 520px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .case-list {
    min-height: 180px;
  }

  .basic-stepper {
    grid-template-columns: 1fr 1fr;
  }

  .basic-form-grid,
  .tts-panel {
    grid-template-columns: 1fr;
  }

  .basic-audio-ready {
    grid-template-columns: 1fr;
  }

  .basic-audio-ready .source-badge {
    justify-self: start;
  }

  .basic-panel-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .basic-panel-actions > .button {
    width: 100%;
  }

  .audio-source-tabs {
    grid-template-columns: 1fr;
  }

  .recording-panel {
    grid-template-columns: 1fr;
    justify-items: start;
  }

  .basic-result-hero,
  .basic-result-diff {
    grid-template-columns: auto minmax(0, 1fr);
  }

  #basic-result-meta,
  .basic-result-diff code {
    grid-column: 2;
    max-width: 100%;
    text-align: left;
  }

  .basic-assertion-toolbar {
    align-items: stretch;
    flex-direction: column;
  }

  .basic-assertion-item {
    grid-template-columns: minmax(0, 1fr);
    align-items: stretch;
  }

  .basic-assertion-item code {
    grid-column: auto;
    max-width: 100%;
    text-align: left;
  }

  .assertion-card-controls,
  .assertion-card-controls.has-quantifier {
    grid-template-columns: minmax(0, 1fr);
  }

  .assertion-card-remove {
    width: 100%;
  }

  .assertion-drawer {
    grid-template-columns: minmax(0, 1fr);
  }

  .assertion-drawer-backdrop {
    display: none;
  }

  .assertion-drawer-panel {
    border-left: 0;
  }

  .assertion-drawer-tools {
    grid-template-columns: minmax(0, 1fr);
  }

  .view-tabs {
    position: sticky;
    top: 0;
    padding: 0 12px;
  }

  #editor-view,
  #result-view {
    padding: 18px 12px;
  }

  .case-actions {
    flex-wrap: wrap;
  }

  .title-editor {
    grid-template-columns: auto minmax(0, 1fr);
    width: 100%;
  }

  .definition-card {
    padding: 16px;
  }

  .compact-grid,
  .expected-controls {
    grid-template-columns: 1fr;
  }

  .assertion-toolbar {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }

  .assertion-toolbar > div:first-child {
    grid-column: 1 / -1;
  }

  .assertion-columns {
    display: none;
  }

  .field-assertions {
    padding-top: 13px;
  }

  .assertion-row {
    grid-template-columns: minmax(0, 1fr) 31px;
  }

  .assertion-row .assertion-path {
    grid-column: 1;
  }

  .assertion-row .assertion-remove {
    grid-column: 2;
    grid-row: 1;
  }

  .assertion-row .assertion-operator,
  .assertion-row .assertion-quantifier,
  .assertion-row .assertion-value {
    grid-column: 1 / -1;
  }

  .path-field { grid-column: auto; }

  .audio-field {
    grid-template-columns: 1fr auto;
  }

  .audio-field audio {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .run-current-wrap {
    align-items: stretch;
    flex-direction: column;
  }

  .run-metadata {
    grid-template-columns: 1fr 1fr;
  }

  .run-metadata > div:nth-child(2) { border-right: 0; }
  .run-metadata > div:nth-child(-n + 2) { border-bottom: 1px solid var(--line-soft); }

  .diff-header,
  .diff-row {
    grid-template-columns: 1fr;
  }

  .diff-header { display: none; }

  .diff-cell {
    border-right: 0;
    border-bottom: 1px solid var(--line-soft);
  }

  .diff-cell:last-child { border-bottom: 0; }

  .raw-grid {
    grid-template-columns: 1fr;
  }

  .history-row {
    grid-template-columns: 10px minmax(0, 1fr) 70px;
  }

  .history-row > *:nth-child(4),
  .history-row > *:nth-child(5) {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}


/* ---------- 登录 ---------- */

.login-screen {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  background: var(--bg, #0f1216);
  z-index: 100;
}

.login-card {
  width: min(420px, 100%);
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 32px;
  border: 1px solid var(--border, #2a3038);
  border-radius: 14px;
  background: var(--surface, #171b21);
}

.login-card h1 { margin: 0; font-size: 1.35rem; }
.login-lede { margin: 0; color: var(--text-muted, #8b97a6); font-size: 0.9rem; line-height: 1.6; }

.login-field { display: flex; flex-direction: column; gap: 6px; }
.login-field > label { display: flex; flex-direction: column; gap: 6px; }
.login-field span { font-size: 0.8rem; color: var(--text-muted, #8b97a6); }
.login-field input {
  padding: 10px 12px;
  border: 1px solid var(--border, #2a3038);
  border-radius: 8px;
  background: var(--bg, #0f1216);
  color: inherit;
  font: inherit;
}
.login-field input:focus-visible { outline: 2px solid var(--accent, #4c8dff); outline-offset: 1px; }

.login-status {
  margin: 0;
  min-height: 1.2em;
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--text-muted, #8b97a6);
}

/* ---------- 会话 ---------- */

.session-box { display: flex; align-items: center; gap: 10px; margin-left: auto; }
.session-email { font-size: 0.82rem; color: var(--text-muted, #8b97a6); }

/* ---------- 归属徽标 ---------- */

.scope-tag { font-variant-numeric: tabular-nums; }
.scope-tag.is-shared { background: rgba(76, 141, 255, 0.16); color: #86b3ff; }
.scope-tag.is-local  { background: rgba(255, 176, 46, 0.16); color: #ffc76b; }

.source-badge.is-shared { background: rgba(76, 141, 255, 0.16); color: #86b3ff; }
.source-badge.is-local  { background: rgba(255, 176, 46, 0.16); color: #ffc76b; }

/* ---------- 版本历史 ---------- */

.revision-dialog {
  width: min(560px, 92vw);
  padding: 24px;
}

/* 没有这条，按钮会紧贴输入框底部、挤在左下角，看着像叠在一起。 */
.revision-dialog form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.revision-dialog .card-header { margin: 0; padding: 0; }
.revision-dialog .card-header h2 { margin: 0; font-size: 1.1rem; }
.revision-dialog .revision-lede { margin: 0; }
.revision-dialog .login-field { gap: 8px; }

.revision-dialog footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 4px;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft, #1e262e);
}

.revision-dialog footer .button {
  min-width: 88px;
  height: 38px;
}
.revision-lede { margin: 0 0 12px; color: var(--text-muted, #8b97a6); font-size: 0.85rem; line-height: 1.6; }
.revision-list { display: flex; flex-direction: column; gap: 8px; max-height: 50vh; overflow-y: auto; }

.revision-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  border: 1px solid var(--border, #2a3038);
  border-radius: 8px;
}
.revision-row.is-current { border-color: var(--accent, #4c8dff); }
.revision-meta { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.revision-meta span { font-size: 0.78rem; color: var(--text-muted, #8b97a6); }
.revision-meta em { font-size: 0.82rem; font-style: normal; opacity: 0.85; }

/* TTS 不可用时的说明。按钮置灰而不是消失——消失让人以为控制台压根没这功能。 */
.audio-source-button:disabled { opacity: 0.45; cursor: not-allowed; }

.tts-unavailable {
  margin: 0 0 10px;
  padding: 10px 12px;
  border: 1px dashed var(--border, #2a3038);
  border-radius: 8px;
  color: var(--text-muted, #8b97a6);
  font-size: 0.84rem;
  line-height: 1.7;
  white-space: pre-line;
}

/* 枚举字段的多选候选值 */
.enum-choices {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  max-height: 132px;
  overflow-y: auto;
  padding: 8px 10px;
  border: 1px solid var(--line-soft, #1e262e);
  border-radius: 8px;
}

.enum-choice {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  white-space: nowrap;
  cursor: pointer;
}

.enum-choice input { margin: 0; }

/* 用例操作按钮不换行：折成两行时整排读起来像散落的碎片 */
.case-actions {
  flex-wrap: nowrap;
}

.case-actions .button {
  white-space: nowrap;
}