:root {
  color-scheme: light;
  --bg: #f5f6fb;
  --surface: #ffffff;
  --surface-soft: #faf9ff;
  --surface-warm: #fffaf8;
  --line: #e4e6ef;
  --line-strong: #cfd3df;
  --text: #252736;
  --muted: #707487;
  --muted-2: #989cad;
  --primary: #7658d6;
  --primary-deep: #5d42bb;
  --primary-soft: #eee9ff;
  --secondary: #f091a6;
  --secondary-soft: #fff0f4;
  --success: #2d9a70;
  --success-soft: #e9f8f1;
  --warning: #b97a25;
  --warning-soft: #fff5df;
  --danger: #cc4d62;
  --danger-soft: #fff0f2;
  --shadow: 0 12px 38px rgba(41, 37, 73, 0.08);
  --shadow-soft: 0 5px 20px rgba(41, 37, 73, 0.06);
  --radius-xl: 22px;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 9px;
  --sidebar-width: 320px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP", "Yu Gothic UI", "Meiryo", sans-serif;
  --mono: "Cascadia Code", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  min-height: 100%;
  background: var(--bg);
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 8% 2%, rgba(240, 145, 166, 0.12), transparent 25rem),
    radial-gradient(circle at 90% 8%, rgba(118, 88, 214, 0.10), transparent 28rem),
    var(--bg);
  font-family: var(--font);
  line-height: 1.6;
}

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

button,
label[for],
input[type="checkbox"],
input[type="range"],
select {
  cursor: pointer;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid rgba(118, 88, 214, 0.22);
  outline-offset: 2px;
}

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

h1,
h2,
h3 {
  line-height: 1.28;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 28px;
  border-bottom: 1px solid rgba(228, 230, 239, 0.86);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(18px);
}

.brand-block {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand-mark {
  width: 44px;
  height: 44px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border-radius: 14px;
  color: #fff;
  background: linear-gradient(145deg, var(--secondary), var(--primary));
  box-shadow: 0 9px 22px rgba(118, 88, 214, 0.24);
  font-weight: 800;
  font-size: 20px;
}

.brand-block h1 {
  margin: 0;
  font-size: clamp(18px, 2vw, 23px);
  letter-spacing: 0.01em;
}

.brand-block p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}

.save-state {
  color: var(--muted);
  font-size: 12px;
}

.app-shell {
  width: min(1880px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  gap: 20px;
  padding: 20px;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.panel,
.settings-card,
.panel-flat {
  border: 1px solid rgba(228, 230, 239, 0.92);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow-soft);
}

.panel {
  padding: 18px;
  border-radius: var(--radius-lg);
}

.panel-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.panel-heading.compact {
  margin-bottom: 10px;
}

.panel-heading h2,
.workspace-header h2,
.modal-header h2 {
  margin: 0;
  font-size: 20px;
}

.eyebrow {
  display: block;
  margin-bottom: 3px;
  color: var(--primary);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.reference-frame {
  position: relative;
  overflow: hidden;
  width: 100%;
  aspect-ratio: 3 / 4;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: linear-gradient(135deg, #fff8f7, #f3f0ff);
}

.reference-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.45);
}

.reference-frame img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center 20%;
}

.file-button,
.file-inline {
  position: relative;
  overflow: hidden;
}

.file-button {
  width: 100%;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  margin-top: 12px;
  padding: 9px 12px;
  border: 1px dashed var(--line-strong);
  border-radius: 10px;
  color: var(--primary-deep);
  background: var(--surface-soft);
  font-weight: 700;
  font-size: 13px;
  cursor: pointer;
}

.file-button:hover {
  border-color: var(--primary);
  background: var(--primary-soft);
}

.file-button input,
.file-inline input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}

.quick-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.field,
.range-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field > span,
.range-title {
  color: #4c5063;
  font-size: 12px;
  font-weight: 750;
}

.field small {
  color: var(--muted);
  font-size: 11px;
}

input[type="text"],
input[type="number"],
input[type="search"],
select,
textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  color: var(--text);
  background: #fff;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

input[type="text"],
input[type="number"],
input[type="search"],
select {
  min-height: 40px;
  padding: 8px 10px;
}

textarea {
  min-height: 100px;
  padding: 10px 12px;
  resize: vertical;
  line-height: 1.65;
}

input[type="text"]:focus,
input[type="number"]:focus,
input[type="search"]:focus,
select:focus,
textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(118, 88, 214, 0.09);
}

.inline-control {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
}

.toggle-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 11px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--surface-soft);
}

.toggle-row input {
  width: 17px;
  height: 17px;
  margin: 2px 0 0;
  accent-color: var(--primary);
}

.toggle-row span {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
}

.toggle-row strong {
  font-size: 13px;
}

.toggle-row small {
  color: var(--muted);
  font-size: 11px;
}

.range-title {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.range-title output {
  color: var(--primary-deep);
  font-weight: 800;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--primary);
}

.hint {
  margin: -3px 0 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.55;
}

.stats-panel {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.stat-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  font-size: 12px;
}

.stat-row span {
  color: var(--muted);
}

.stat-row strong {
  max-width: 62%;
  text-align: right;
  overflow-wrap: anywhere;
}

.button,
.icon-button {
  border: 0;
  cursor: pointer;
  transition: transform 0.12s ease, background 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
}

.button {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 8px 14px;
  border-radius: 10px;
  font-weight: 750;
  font-size: 13px;
  white-space: nowrap;
}

.button:hover:not(:disabled),
.icon-button:hover:not(:disabled) {
  transform: translateY(-1px);
}

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

.button.primary {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-deep));
  box-shadow: 0 8px 18px rgba(118, 88, 214, 0.22);
}

.button.primary:hover:not(:disabled) {
  box-shadow: 0 10px 24px rgba(118, 88, 214, 0.28);
}

.button.secondary {
  color: #a33f59;
  border: 1px solid #f2c6d1;
  background: var(--secondary-soft);
}

.button.ghost {
  color: #4f5365;
  border: 1px solid var(--line-strong);
  background: #fff;
}

.button.danger {
  color: var(--danger);
  border: 1px solid #f0c8d0;
  background: var(--danger-soft);
}

.button.wide {
  width: 100%;
}

.button.small {
  min-height: 34px;
  padding: 6px 10px;
  font-size: 12px;
}

.button.square {
  width: 40px;
  padding: 0;
}

.icon-button {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--muted);
  background: #fff;
  font-size: 18px;
}

.workspace {
  min-width: 0;
  overflow: hidden;
  border: 1px solid rgba(228, 230, 239, 0.9);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.93);
  box-shadow: var(--shadow);
}

.tabs {
  display: flex;
  gap: 3px;
  overflow-x: auto;
  padding: 10px 12px 0;
  border-bottom: 1px solid var(--line);
  background: rgba(250, 249, 255, 0.85);
}

.tab-button {
  min-height: 44px;
  padding: 8px 16px;
  border: 0;
  border-radius: 11px 11px 0 0;
  color: var(--muted);
  background: transparent;
  font-weight: 750;
  white-space: nowrap;
}

.tab-button:hover {
  color: var(--primary-deep);
  background: var(--primary-soft);
}

.tab-button.active {
  position: relative;
  color: var(--primary-deep);
  background: #fff;
}

.tab-button.active::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: -1px;
  height: 3px;
  border-radius: 3px 3px 0 0;
  background: var(--primary);
}

.tab-panel {
  display: none;
  min-height: calc(100vh - 140px);
  padding: 24px;
}

.tab-panel.active {
  display: block;
}

.workspace-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 20px;
}

.workspace-header h2 {
  font-size: 24px;
}

.workspace-header p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.action-cluster {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.push-right {
  margin-left: auto;
}

.dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 7px);
  right: 0;
  z-index: 20;
  min-width: 190px;
  padding: 7px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  box-shadow: var(--shadow);
}

.dropdown-menu button {
  width: 100%;
  padding: 9px 10px;
  border: 0;
  border-radius: 8px;
  color: var(--text);
  background: transparent;
  text-align: left;
}

.dropdown-menu button:hover {
  background: var(--primary-soft);
  color: var(--primary-deep);
}

.coverage-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}

.coverage-card {
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface-soft);
}

.coverage-card span {
  display: block;
  color: var(--muted);
  font-size: 11px;
}

.coverage-card strong {
  display: block;
  margin-top: 2px;
  font-size: 18px;
}

.coverage-card small {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 10px;
}

.notice {
  margin-bottom: 14px;
  padding: 10px 13px;
  border: 1px solid #f0d59c;
  border-radius: 10px;
  color: #7c5720;
  background: var(--warning-soft);
  font-size: 12px;
}

.empty-state {
  min-height: 410px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 30px;
  text-align: center;
}

.empty-icon {
  width: 68px;
  height: 68px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  border-radius: 22px;
  color: var(--primary);
  background: linear-gradient(145deg, var(--secondary-soft), var(--primary-soft));
  font-size: 32px;
}

.empty-state h3 {
  margin-bottom: 8px;
  font-size: 19px;
}

.empty-state p {
  max-width: 720px;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.results-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.result-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.result-card:hover {
  border-color: #d5caef;
  box-shadow: 0 7px 22px rgba(70, 55, 120, 0.07);
}

.result-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  padding: 13px 14px;
}

.result-id {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  color: var(--primary-deep);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 800;
}

.seed-chip {
  padding: 2px 7px;
  border-radius: 999px;
  color: var(--muted);
  background: #f1f2f7;
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 600;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 7px;
  border: 1px solid #e7e1f7;
  border-radius: 999px;
  color: #55506c;
  background: #faf8ff;
  font-size: 10px;
}

.chip b {
  color: var(--primary-deep);
  font-weight: 800;
}

.result-actions {
  display: flex;
  flex: 0 0 auto;
  gap: 7px;
}

.result-details {
  border-top: 1px solid var(--line);
  background: #fcfcff;
}

.result-details summary {
  padding: 10px 14px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  user-select: none;
}

.result-details[open] summary {
  color: var(--primary-deep);
}

.prompt-blocks {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  padding: 0 14px 14px;
}

.prompt-block {
  min-width: 0;
}

.prompt-block h4 {
  margin: 0 0 6px;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.04em;
}

.prompt-text {
  max-height: 260px;
  overflow: auto;
  padding: 10px 11px;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: #414457;
  background: #fff;
  font-family: var(--mono);
  font-size: 10.5px;
  line-height: 1.65;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.editor-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 16px;
  min-height: 620px;
}

.category-nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface-soft);
}

.category-nav-button {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 11px;
  border: 1px solid transparent;
  border-radius: 10px;
  color: #55596c;
  background: transparent;
  text-align: left;
}

.category-nav-button:hover {
  background: #fff;
}

.category-nav-button.active {
  border-color: #dcd2f4;
  color: var(--primary-deep);
  background: #fff;
  box-shadow: 0 4px 13px rgba(70, 55, 120, 0.06);
}

.category-nav-button span:first-child {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 700;
  font-size: 12px;
}

.category-nav-button small {
  flex: 0 0 auto;
  padding: 2px 6px;
  border-radius: 999px;
  color: var(--muted);
  background: #f0f1f5;
  font-size: 9px;
}

.category-nav-button.disabled {
  opacity: 0.58;
}

.element-editor {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
}

.element-editor-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 15px 16px;
  border-bottom: 1px solid var(--line);
}

.category-title-line {
  display: flex;
  align-items: center;
  gap: 8px;
}

.category-title-line h3 {
  margin: 0;
  font-size: 18px;
}

.element-editor-header p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 11px;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 7px;
  border-radius: 999px;
  color: var(--primary-deep);
  background: var(--primary-soft);
  font-size: 10px;
  font-weight: 800;
}

.compact-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 11px;
}

.compact-toggle input {
  accent-color: var(--primary);
}

.table-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 14px;
  border-bottom: 1px solid var(--line);
  background: #fcfcfe;
}

.search-field {
  width: min(430px, 100%);
  display: flex;
  align-items: center;
  gap: 8px;
  padding-left: 11px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: #fff;
}

.search-field span {
  color: var(--muted);
}

.search-field input {
  min-height: 38px;
  padding-left: 0;
  border: 0;
  box-shadow: none !important;
}

.table-wrap {
  max-height: calc(100vh - 335px);
  overflow: auto;
}

.data-table {
  width: 100%;
  min-width: 980px;
  border-collapse: collapse;
  table-layout: fixed;
}

.data-table th,
.data-table td {
  padding: 9px 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.data-table th {
  position: sticky;
  top: 0;
  z-index: 2;
  color: var(--muted);
  background: #f8f8fb;
  font-size: 10px;
  letter-spacing: 0.03em;
}

.data-table td {
  font-size: 11px;
}

.data-table tr:hover td {
  background: #fdfcff;
}

.data-table .col-enabled {
  width: 54px;
  text-align: center;
}

.data-table .col-weight {
  width: 70px;
}

.data-table .col-actions {
  width: 94px;
}

.data-table td:nth-child(1) {
  text-align: center;
}

.data-table td:nth-child(2) {
  width: 150px;
  font-weight: 700;
}

.data-table td:nth-child(3) {
  width: 110px;
  color: var(--muted);
}

.data-table td:nth-child(4) {
  font-family: var(--mono);
}

.data-table td:nth-child(5) {
  color: #515568;
  line-height: 1.55;
  overflow-wrap: anywhere;
}

.data-table td:nth-child(6) {
  width: 150px;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 3px;
}

.mini-tag {
  padding: 2px 5px;
  border-radius: 999px;
  color: #666a7b;
  background: #f0f1f5;
  font-size: 8.5px;
}

.row-actions {
  display: flex;
  gap: 5px;
}

.row-actions button {
  padding: 4px 7px;
  border: 1px solid var(--line);
  border-radius: 7px;
  color: var(--muted);
  background: #fff;
  font-size: 10px;
}

.row-actions button:hover {
  color: var(--primary-deep);
  border-color: #d5caef;
  background: var(--primary-soft);
}

.empty-table {
  padding: 35px !important;
  color: var(--muted);
  text-align: center !important;
}

.rule-builder {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto;
  align-items: end;
  gap: 16px;
  margin-bottom: 18px;
  padding: 18px;
  border-radius: 14px;
}

.rule-side {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.rule-symbol {
  align-self: center;
  color: var(--danger);
  font-size: 24px;
  font-weight: 800;
}

.rule-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.rule-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
}

.rule-token {
  min-width: 0;
}

.rule-token span {
  display: block;
  color: var(--muted);
  font-size: 10px;
}

.rule-token strong {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 12px;
}

.rule-x {
  color: var(--danger);
  font-weight: 800;
}

.rule-empty {
  padding: 50px 20px;
  border: 1px dashed var(--line-strong);
  border-radius: 14px;
  color: var(--muted);
  text-align: center;
  background: var(--surface-soft);
}

.settings-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.settings-card {
  padding: 16px;
  border-radius: 14px;
}

.settings-card h3 {
  margin-bottom: 11px;
  font-size: 15px;
}

.settings-card p {
  margin: -5px 0 12px;
  color: var(--muted);
  font-size: 11px;
}

.worker-settings-card {
  border: 1px solid #ddd5f4;
  background: linear-gradient(145deg, #fbfaff, #fff);
}

.settings-actions {
  margin-top: 14px;
}

.worker-progress {
  margin-top: 12px;
  padding: 10px 12px;
  border: 1px dashed #d8d0ee;
  border-radius: 10px;
  color: var(--muted);
  background: #fff;
  font-size: 11px;
}

.settings-card.span-2,
.span-2 {
  grid-column: 1 / -1;
}

.category-toggle-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 8px;
}

.category-toggle-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 10px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-soft);
}

.category-toggle-card span {
  min-width: 0;
}

.category-toggle-card strong,
.category-toggle-card small {
  display: block;
}

.category-toggle-card strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 12px;
}

.category-toggle-card small {
  color: var(--muted);
  font-size: 9px;
}

.category-toggle-card input {
  accent-color: var(--primary);
}

.data-management {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.data-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.modal {
  width: min(760px, calc(100vw - 30px));
  max-height: calc(100vh - 30px);
  padding: 0;
  overflow: hidden;
  border: 0;
  border-radius: 18px;
  color: var(--text);
  background: #fff;
  box-shadow: 0 25px 80px rgba(31, 26, 60, 0.25);
}

.modal::backdrop {
  background: rgba(27, 25, 42, 0.48);
  backdrop-filter: blur(4px);
}

.modal form {
  max-height: calc(100vh - 30px);
  display: flex;
  flex-direction: column;
}

.modal-header,
.modal-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 18px;
}

.modal-header {
  border-bottom: 1px solid var(--line);
}

.modal-footer {
  border-top: 1px solid var(--line);
  background: #fafafd;
}

.modal-footer.split {
  justify-content: flex-start;
}

.modal-body {
  overflow: auto;
  padding: 18px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.help-modal {
  width: min(720px, calc(100vw - 30px));
}

.prose h3 {
  margin: 18px 0 5px;
  font-size: 14px;
}

.prose h3:first-child {
  margin-top: 0;
}

.prose p {
  margin-bottom: 0;
  color: #55596b;
  font-size: 12px;
}

.toast {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 100;
  max-width: min(390px, calc(100vw - 44px));
  padding: 11px 14px;
  border: 1px solid #d7d0eb;
  border-radius: 12px;
  color: #fff;
  background: rgba(65, 51, 112, 0.96);
  box-shadow: 0 13px 35px rgba(31, 26, 60, 0.22);
  font-size: 12px;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1180px) {
  :root {
    --sidebar-width: 290px;
  }

  .prompt-blocks {
    grid-template-columns: 1fr;
  }

  .editor-layout {
    grid-template-columns: 180px minmax(0, 1fr);
  }

  .rule-builder {
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .rule-symbol {
    display: none;
  }

  .rule-side {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 880px) {
  .topbar {
    position: static;
    align-items: flex-start;
    padding: 14px 16px;
  }

  .topbar-actions {
    display: none;
  }

  .app-shell {
    grid-template-columns: 1fr;
    padding: 12px;
  }

  .sidebar {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .stats-panel {
    grid-column: 1 / -1;
  }

  .reference-frame {
    max-height: 360px;
  }

  .tab-panel {
    padding: 16px;
  }

  .workspace-header,
  .element-editor-header,
  .table-toolbar,
  .data-management {
    flex-direction: column;
    align-items: stretch;
  }

  .editor-layout {
    grid-template-columns: 1fr;
  }

  .category-nav {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .settings-card.span-2,
  .span-2 {
    grid-column: auto;
  }

  .result-card-header {
    flex-direction: column;
  }

  .result-actions {
    width: 100%;
  }

  .result-actions .button {
    flex: 1;
  }

  .rule-card {
    grid-template-columns: 1fr auto 1fr auto;
  }
}

@media (max-width: 620px) {
  .brand-block p {
    display: none;
  }

  .sidebar {
    display: flex;
  }

  .workspace-header h2 {
    font-size: 21px;
  }

  .tabs {
    padding-left: 7px;
    padding-right: 7px;
  }

  .tab-button {
    padding-left: 11px;
    padding-right: 11px;
    font-size: 12px;
  }

  .category-nav {
    grid-template-columns: 1fr;
  }

  .rule-side,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .form-grid .span-2 {
    grid-column: auto;
  }

  .rule-card {
    grid-template-columns: 1fr;
    gap: 7px;
  }

  .rule-x {
    display: none;
  }

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