:root {
  --bg: #f3ede3;
  --bg-strong: #fffaf3;
  --bg-muted: rgba(255, 250, 243, 0.82);
  --panel: rgba(255, 251, 246, 0.94);
  --ink: #18212f;
  --ink-soft: #516072;
  --accent: #bc5d28;
  --accent-strong: #943d16;
  --accent-soft: rgba(188, 93, 40, 0.16);
  --teal: #0f6a6c;
  --teal-soft: rgba(15, 106, 108, 0.12);
  --olive: #5e6d2c;
  --olive-soft: rgba(94, 109, 44, 0.12);
  --danger: #9a3728;
  --danger-soft: rgba(154, 55, 40, 0.12);
  --warning: #976400;
  --warning-soft: rgba(151, 100, 0, 0.12);
  --border: rgba(24, 33, 47, 0.12);
  --border-strong: rgba(24, 33, 47, 0.2);
  --shadow: 0 20px 44px rgba(24, 33, 47, 0.12);
  --radius-lg: 26px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --transition: 180ms ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: "Aptos", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(15, 106, 108, 0.16), transparent 26%),
    radial-gradient(circle at top right, rgba(188, 93, 40, 0.18), transparent 28%),
    linear-gradient(180deg, #f8f3ea 0%, var(--bg) 52%, #efe6d5 100%);
}

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

code,
pre,
.code-input {
  font-family: "Cascadia Code", "Consolas", monospace;
}

.page-shell {
  width: min(1440px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 42px;
}

.hero,
.panel {
  backdrop-filter: blur(14px);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(300px, 0.85fr);
  gap: 20px;
  padding: 0;
  margin-bottom: 24px;
  overflow: hidden;
}

.hero-copy,
.hero-note {
  padding: 28px;
}

.hero-copy {
  position: relative;
}

.hero-copy::after {
  content: "";
  position: absolute;
  right: -72px;
  bottom: -92px;
  width: 230px;
  height: 230px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(188, 93, 40, 0.14), transparent 70%);
}

.hero-note {
  background: linear-gradient(180deg, rgba(255, 249, 238, 0.96), rgba(243, 235, 221, 0.94));
}

.eyebrow {
  margin: 0 0 8px;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-weight: 700;
  color: var(--accent-strong);
}

h1,
h2,
h3,
h4,
summary {
  margin: 0;
  font-family: "Bahnschrift", "Trebuchet MS", sans-serif;
  letter-spacing: 0.01em;
}

h1 {
  font-size: clamp(2.4rem, 4vw, 4.2rem);
  line-height: 0.95;
  margin-bottom: 14px;
}

h2 {
  font-size: 1.36rem;
}

h3 {
  font-size: 1rem;
}

.hero-text,
.muted,
.note-title + p,
.panel-heading p,
.trace-alert p,
.field-option p,
.tool-card p,
.message-card p,
.machine-pair dd,
.summary-card p,
.session-status p,
.advisory-panel li {
  color: var(--ink-soft);
  line-height: 1.6;
}

.note-title {
  margin: 0 0 8px;
  font-weight: 700;
}

.hero-actions,
.form-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.ghost-button,
.select-input,
.text-input {
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  color: var(--ink);
  transition: transform var(--transition), border-color var(--transition), background var(--transition), box-shadow var(--transition);
}

.ghost-button {
  padding: 12px 18px;
  cursor: pointer;
  font-weight: 600;
}

.toolbar-actions {
  align-items: center;
  gap: 10px;
}

.import-button {
  padding: 10px 14px;
  background: linear-gradient(180deg, rgba(15, 106, 108, 0.96), rgba(8, 86, 88, 0.98));
  color: #fff;
  border-color: rgba(8, 86, 88, 0.98);
}

.secondary-import-button {
  background: linear-gradient(180deg, rgba(94, 109, 44, 0.94), rgba(72, 86, 29, 0.98));
  border-color: rgba(72, 86, 29, 0.98);
}

.ghost-button:hover,
.select-input:hover,
.text-input:hover,
.field-option:hover,
.path-chip:hover,
.message-card:hover,
.tool-card:hover {
  transform: translateY(-1px);
  border-color: rgba(188, 93, 40, 0.4);
  box-shadow: 0 10px 24px rgba(24, 33, 47, 0.08);
}

.ghost-button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.accent-button {
  background: linear-gradient(180deg, rgba(188, 93, 40, 0.92), rgba(155, 63, 21, 0.96));
  color: #fff;
  border-color: rgba(148, 61, 22, 0.94);
}

.secondary-accent-button {
  background: linear-gradient(180deg, rgba(131, 59, 165, 0.88), rgba(100, 41, 129, 0.94));
  border-color: rgba(100, 41, 129, 0.94);
}

.setup-panel,
.panel {
  padding: 24px;
}

.panel-heading {
  margin-bottom: 18px;
}

.panel-heading h2 {
  margin-bottom: 8px;
}

.setup-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.setup-card,
.summary-card,
.field-card,
.message-card,
.tool-card,
.status-card,
.machine-pair,
.progress-summary,
.trace-alert,
.save-status-panel,
.advisory-panel,
.evidence-summary-panel,
.session-status {
  border-radius: var(--radius-md);
  border: 1px solid rgba(24, 33, 47, 0.08);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(248, 243, 235, 0.9));
}

.setup-card {
  padding: 18px;
  display: grid;
  gap: 12px;
}

.setup-step,
.metric-chip,
.role-badge,
.tool-pill,
.status-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.setup-step,
.metric-chip,
.tool-pill {
  background: var(--teal-soft);
  color: var(--teal);
}

.file-status,
.path-preview span,
.trace-subtle {
  font-size: 0.92rem;
  color: var(--ink-soft);
}

.hero-status-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.action-status-card,
.status-spotlight {
  border-radius: var(--radius-md);
  border: 1px solid rgba(24, 33, 47, 0.08);
  background: rgba(255, 255, 255, 0.78);
  padding: 14px 16px;
  display: grid;
  gap: 6px;
}

.action-status-card strong,
.status-spotlight strong {
  font-size: 1rem;
  word-break: break-word;
}

.status-label,
.status-spotlight span {
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-soft);
  font-weight: 700;
}

.session-card .text-input,
.text-input,
.select-input {
  width: 100%;
  padding: 12px 14px;
}

.session-status {
  padding: 14px;
  display: grid;
  gap: 8px;
}

.session-status p {
  margin: 0;
}

.status-spotlight p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.5;
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1.32fr) minmax(360px, 0.88fr);
  gap: 24px;
  align-items: start;
}

.layout.empty-state {
  opacity: 0.74;
}

.left-column,
.right-column {
  display: grid;
  gap: 24px;
}

.sticky-panel {
  position: sticky;
  top: 18px;
}

.navigator-header,
.field-header,
.annotation-header {
  display: grid;
  gap: 10px;
}

.navigator-header {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: 16px;
  margin-bottom: 16px;
}

.navigator-hint {
  display: grid;
  justify-items: end;
  gap: 6px;
}

.navigator-hint p {
  margin: 0;
  max-width: 220px;
  text-align: right;
}

.navigator-grid {
  display: grid;
  gap: 14px;
}

.progress-summary {
  padding: 16px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.progress-stat strong {
  display: block;
  font-size: 1.4rem;
  font-family: "Bahnschrift", "Trebuchet MS", sans-serif;
}

.progress-stat span {
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.trace-summary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.summary-card {
  padding: 16px;
}

.summary-card h3 {
  margin-bottom: 8px;
}

.summary-card p,
.summary-card code {
  word-break: break-word;
}

.machine-reference {
  margin-top: 16px;
  border-top: 1px solid rgba(24, 33, 47, 0.08);
  padding-top: 16px;
}

.machine-reference summary,
.raw-json-panel summary {
  cursor: pointer;
  list-style: none;
}

.machine-reference summary::-webkit-details-marker,
.raw-json-panel summary::-webkit-details-marker {
  display: none;
}

.machine-reference-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 14px;
}

.machine-pair {
  padding: 14px;
}

.machine-pair dt {
  margin-bottom: 6px;
  font-weight: 700;
}

.machine-pair dd {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
}

.trace-alert,
.save-status-panel,
.advisory-panel,
.evidence-summary-panel {
  padding: 16px;
  margin-bottom: 16px;
}

.trace-alert[data-tone="warning"],
.advisory-panel[data-tone="warning"] {
  background: linear-gradient(180deg, rgba(151, 100, 0, 0.12), rgba(255, 250, 243, 0.9));
  border-color: rgba(151, 100, 0, 0.16);
}

.trace-alert[data-tone="danger"],
.save-status-panel[data-tone="danger"] {
  background: linear-gradient(180deg, rgba(154, 55, 40, 0.12), rgba(255, 250, 243, 0.9));
  border-color: rgba(154, 55, 40, 0.16);
}

.trace-alert[data-tone="ok"],
.save-status-panel[data-tone="ok"] {
  background: linear-gradient(180deg, rgba(94, 109, 44, 0.12), rgba(255, 250, 243, 0.9));
  border-color: rgba(94, 109, 44, 0.16);
}

.evidence-summary-panel {
  display: grid;
  gap: 12px;
}

.evidence-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.trace-viewer {
  display: grid;
  gap: 18px;
}

.trace-section {
  display: grid;
  gap: 14px;
}

.trace-section h3 {
  font-size: 1.02rem;
}

.injection-list,
.timeline,
.tool-list,
.field-groups,
.field-options,
.path-presets {
  display: grid;
  gap: 12px;
}

.message-card,
.tool-card {
  padding: 16px;
}

.message-card.highlighted,
.tool-card.highlighted,
.path-chip.active,
.field-option.active {
  border-color: rgba(188, 93, 40, 0.5);
  background: linear-gradient(180deg, rgba(188, 93, 40, 0.12), rgba(255, 250, 243, 0.96));
  box-shadow: 0 14px 30px rgba(188, 93, 40, 0.12);
}

.message-card.highlighted {
  outline: 2px solid rgba(188, 93, 40, 0.16);
}

.message-topline,
.tool-topline,
.field-topline,
.path-topline {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: start;
  margin-bottom: 10px;
}

.role-badge {
  background: rgba(24, 33, 47, 0.08);
  color: var(--ink);
}

.role-system {
  background: rgba(15, 106, 108, 0.12);
  color: var(--teal);
}

.role-user {
  background: rgba(94, 109, 44, 0.12);
  color: var(--olive);
}

.role-assistant {
  background: rgba(188, 93, 40, 0.12);
  color: var(--accent-strong);
}

.role-tool {
  background: rgba(24, 33, 47, 0.08);
  color: var(--ink-soft);
}

.message-meta,
.tool-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.status-pill {
  background: rgba(188, 93, 40, 0.12);
  color: var(--accent-strong);
}

.message-content,
.tool-content,
.raw-json-output {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  background: rgba(24, 33, 47, 0.04);
  border-radius: 14px;
  border: 1px solid rgba(24, 33, 47, 0.08);
  padding: 14px;
  max-height: 320px;
  overflow: auto;
}

.tool-list {
  margin-top: 12px;
}

.raw-json-panel {
  margin-top: 18px;
  border-top: 1px solid rgba(24, 33, 47, 0.08);
  padding-top: 16px;
}

.annotation-form {
  display: grid;
  gap: 18px;
}

.field-card {
  padding: 16px 18px;
  display: grid;
  gap: 12px;
}

.field-groups {
  gap: 18px;
}

.field-group {
  display: grid;
  gap: 14px;
}

.field-group-title {
  margin-bottom: 2px;
}

.field-options.single,
.field-options.multi,
.path-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.field-option,
.path-chip {
  width: auto;
  min-height: 0;
  text-align: left;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(24, 33, 47, 0.1);
  background: rgba(255, 255, 255, 0.86);
  cursor: pointer;
  transition: transform var(--transition), border-color var(--transition), background var(--transition), box-shadow var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.field-option.missing {
  border-style: dashed;
}

.field-option code,
.path-chip code {
  color: var(--accent-strong);
  font-weight: 700;
}

.field-button-text,
.path-button-text {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
}

.field-button-label,
.path-button-label {
  font-weight: 700;
}

.field-button-code,
.path-button-code {
  font-size: 0.84rem;
}

.selection-explanation {
  border-radius: var(--radius-sm);
  border: 1px solid rgba(24, 33, 47, 0.08);
  background: rgba(24, 33, 47, 0.035);
  padding: 14px;
  display: grid;
  gap: 10px;
}

.selection-explanation.missing {
  border-style: dashed;
}

.selection-topline {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: baseline;
}

.selection-topline strong {
  font-size: 1rem;
}

.selection-topline span {
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
  font-weight: 700;
}

.selection-description,
.selection-context,
.reference-option p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.55;
}

.field-reference {
  border-top: 1px solid rgba(24, 33, 47, 0.08);
  padding-top: 10px;
}

.field-reference summary {
  cursor: pointer;
  list-style: none;
  color: var(--teal);
  font-size: 0.92rem;
}

.field-reference summary::-webkit-details-marker {
  display: none;
}

.reference-options {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.reference-option {
  border-radius: 12px;
  border: 1px solid rgba(24, 33, 47, 0.08);
  background: rgba(255, 255, 255, 0.75);
  padding: 10px 12px;
}

.reference-option.active {
  border-color: rgba(15, 106, 108, 0.34);
  background: rgba(15, 106, 108, 0.08);
}

.reference-option strong {
  display: block;
  margin-bottom: 4px;
}

.reference-option code {
  color: var(--accent-strong);
}

.path-helper-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: center;
}

.path-preview {
  border-radius: var(--radius-sm);
  border: 1px solid rgba(24, 33, 47, 0.08);
  background: rgba(24, 33, 47, 0.04);
  padding: 12px 14px;
  display: grid;
  gap: 4px;
}

.notes-input {
  min-height: 140px;
  resize: vertical;
  padding: 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.88);
}

.notes-input:focus,
.text-input:focus,
.select-input:focus {
  outline: 2px solid rgba(15, 106, 108, 0.16);
  border-color: rgba(15, 106, 108, 0.42);
}

.save-status-panel strong,
.advisory-panel strong,
.trace-alert strong {
  display: block;
  margin-bottom: 6px;
}

.advisory-panel ul {
  margin: 0;
  padding-left: 18px;
}

.bottom-action-bar {
  position: sticky;
  bottom: 0;
  margin-top: 8px;
  padding: 14px;
  border-radius: 18px;
  border: 1px solid rgba(24, 33, 47, 0.1);
  background: linear-gradient(180deg, rgba(255, 249, 241, 0.98), rgba(246, 237, 223, 0.98));
  box-shadow: 0 -8px 24px rgba(24, 33, 47, 0.08);
  z-index: 3;
}

.status-toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  padding: 12px 16px;
  border-radius: 14px;
  background: rgba(24, 33, 47, 0.96);
  color: #fff;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition);
  z-index: 20;
}

.status-toast.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1220px) {
  .setup-grid,
  .layout,
  .hero {
    grid-template-columns: 1fr;
  }

  .sticky-panel {
    position: static;
  }
}

@media (max-width: 820px) {
  .page-shell {
    width: min(100% - 20px, 1440px);
    padding-top: 18px;
  }

  .hero-copy,
  .hero-note,
  .panel {
    padding: 20px;
  }

  .navigator-header,
  .path-helper-row {
    grid-template-columns: 1fr;
  }

  .hero-status-strip {
    grid-template-columns: 1fr;
  }

  .trace-summary,
  .machine-reference-grid,
  .evidence-grid,
  .progress-summary {
    grid-template-columns: 1fr;
  }

  .navigator-hint {
    justify-items: start;
  }

  .navigator-hint p {
    text-align: left;
    max-width: none;
  }
}