@font-face {
  font-family: 'Archivo';
  src: url('fonts/archivo-latin-700-normal.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Archivo';
  src: url('fonts/archivo-latin-800-normal.woff2') format('woff2');
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Public Sans';
  src: url('fonts/public-sans-latin-400-normal.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Public Sans';
  src: url('fonts/public-sans-latin-500-normal.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Public Sans';
  src: url('fonts/public-sans-latin-600-normal.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Public Sans';
  src: url('fonts/public-sans-latin-700-normal.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'JetBrains Mono';
  src: url('fonts/jetbrains-mono-latin-500-normal.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'JetBrains Mono';
  src: url('fonts/jetbrains-mono-latin-700-normal.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg-court: #F4EFE6;
  --bg-sheet: #FAF7F2;
  --bg-recessed: #EAE2D3;
  --bg-pine: #16302B;
  --bg-pine-deep: #0F231F;
  --bg-pine-soft: #E3ECE9;

  --ink-primary: #141A18;
  --ink-secondary: #344641;
  --ink-muted: #495C56;
  --ink-on-pine: #F4EFE6;
  --ink-on-pine-muted: #C6DDD6;

  --accent-terracotta: #B53B22;
  --accent-terracotta-hover: #962F19;
  --accent-terracotta-soft: #F9E7E2;
  --accent-amber-soft: #F6ECD9;
  --accent-amber-ink: #6B420F;

  --line-hairline: #CFC6B4;
  --line-strong: #16302B;
  --line-on-pine: #2B4D46;

  --font-display: 'Archivo', system-ui, -apple-system, sans-serif;
  --font-sans: 'Public Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --radius-panel: 12px;
  --radius-pill: 999px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scrollbar-color: var(--bg-pine) var(--bg-recessed);
  scrollbar-width: thin;
}

body {
  margin: 0;
  min-height: 100dvh;
  background-color: var(--bg-court);
  color: var(--ink-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  caret-color: var(--accent-terracotta);
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
}

::selection {
  background-color: var(--bg-pine);
  color: var(--ink-on-pine);
}

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-recessed);
}

::-webkit-scrollbar-thumb {
  background: var(--bg-pine);
  border: 2px solid var(--bg-recessed);
  border-radius: var(--radius-pill);
}

:focus-visible {
  outline: 2px solid var(--accent-terracotta);
  outline-offset: 2px;
}

a {
  color: var(--bg-pine);
  text-underline-offset: 4px;
  text-decoration-thickness: 1px;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--ink-primary);
  letter-spacing: -0.025em;
  line-height: 1.15;
  text-wrap: balance;
  margin-top: 0;
}

p {
  max-width: 68ch;
  margin-top: 0;
}

.tabular-nums {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* Top Control Table Strip */
.control-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background-color: var(--bg-pine);
  color: var(--ink-on-pine);
  border-bottom: 1px solid var(--line-strong);
}

.control-header-inner {
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 1.5rem;
  min-height: 68px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 1.25rem;
}

.brand-cluster {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  min-width: 0;
}

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background-color: var(--bg-pine-deep);
  border: 1px solid var(--line-on-pine);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--ink-on-pine);
}

.brand-titles {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.brand-title-main {
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink-on-pine);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.brand-title-sub {
  font-size: 0.8125rem;
  color: var(--ink-on-pine-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.telemetry-cluster {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.telemetry-cell {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.42rem 0.85rem;
  background-color: var(--bg-pine-deep);
  border: 1px solid var(--line-on-pine);
  border-radius: var(--radius-pill);
  font-size: 0.8125rem;
  color: var(--ink-on-pine-muted);
}

.telemetry-cell strong {
  color: var(--ink-on-pine);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.95rem;
  font-weight: 700;
}

.telemetry-cell.timer-warning {
  background-color: var(--accent-terracotta);
  border-color: var(--ink-on-pine);
  color: var(--ink-on-pine);
}

.telemetry-cell.timer-warning strong {
  color: var(--ink-on-pine);
}

/* Focus Warning Alert Bar */
.focus-alert-banner {
  background-color: var(--accent-terracotta);
  color: var(--ink-on-pine);
  border-bottom: 1px solid var(--line-strong);
  padding: 0.65rem 1.5rem;
  font-size: 0.875rem;
}

.focus-alert-inner {
  max-width: 1360px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.focus-alert-text {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 600;
}

.focus-alert-dismiss {
  background: var(--bg-pine-deep);
  color: var(--ink-on-pine);
  border: 1px solid var(--ink-on-pine);
  border-radius: var(--radius-pill);
  padding: 0.28rem 0.85rem;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
}

/* Main Workspace Container */
.workspace-shell {
  max-width: 1360px;
  width: 100%;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
  flex: 1;
}

/* Gate View (First Viewport) */
.gate-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-panel);
  overflow: hidden;
  background-color: var(--bg-sheet);
}

.gate-primary-pane {
  padding: 2.5rem;
  border-right: 1px solid var(--line-hairline);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-width: 0;
}

.gate-title {
  font-size: clamp(1.85rem, 2.8vw, 2.55rem);
  font-weight: 800;
  color: var(--ink-primary);
  margin-bottom: 0.85rem;
}

.gate-lead {
  color: var(--ink-secondary);
  font-size: 1rem;
  margin-bottom: 1.75rem;
  max-width: 62ch;
}

.gate-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.field-label {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--ink-primary);
}

.field-helper {
  font-size: 0.8125rem;
  color: var(--ink-muted);
}

.field-input {
  width: 100%;
  padding: 0.8rem 1rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--ink-primary);
  background-color: var(--bg-court);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  transition: border-color 0.2s var(--ease-out-expo), background-color 0.2s var(--ease-out-expo);
}

.field-input::placeholder {
  color: var(--ink-muted);
}

.field-input:focus {
  background-color: var(--bg-sheet);
  border-color: var(--accent-terracotta);
}

.commitment-box {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem;
  background-color: var(--bg-pine-soft);
  border: 1px solid var(--bg-pine);
  border-radius: 8px;
  cursor: pointer;
}

.commitment-box input[type="checkbox"] {
  width: 1.15rem;
  height: 1.15rem;
  margin-top: 0.18rem;
  accent-color: var(--bg-pine);
  flex-shrink: 0;
  cursor: pointer;
}

.commitment-box span {
  font-size: 0.875rem;
  color: var(--ink-primary);
  font-weight: 500;
}

.form-error-msg {
  padding: 0.8rem 1rem;
  background-color: var(--accent-terracotta-soft);
  border: 1px solid var(--accent-terracotta);
  border-radius: 8px;
  color: var(--accent-terracotta-hover);
  font-size: 0.875rem;
  font-weight: 600;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.95rem 1.5rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink-on-pine);
  background-color: var(--bg-pine);
  border: 1px solid var(--bg-pine);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: transform 0.18s var(--ease-out-expo), background-color 0.18s var(--ease-out-expo);
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--bg-pine-deep);
}

.btn-primary:active:not(:disabled) {
  transform: scale(0.985);
}

.btn-primary:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

/* Gate Right Tactical Dossier Pane */
.gate-dossier-pane {
  background-color: var(--bg-court);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-width: 0;
}

.dossier-block {
  padding: 2rem 2.25rem;
  border-bottom: 1px solid var(--line-hairline);
}

.dossier-block:last-child {
  border-bottom: none;
}

.dossier-heading {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 0.85rem;
  color: var(--ink-primary);
}

.structure-table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--line-hairline);
  background-color: var(--bg-sheet);
}

.structure-table tr {
  border-bottom: 1px solid var(--line-hairline);
}

.structure-table tr:last-child {
  border-bottom: none;
}

.structure-table td {
  padding: 0.75rem 0.9rem;
  font-size: 0.875rem;
  vertical-align: top;
}

.structure-part-tag {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--bg-pine);
  white-space: nowrap;
  width: 88px;
}

.structure-part-desc strong {
  display: block;
  color: var(--ink-primary);
  font-weight: 700;
  margin-bottom: 0.15rem;
}

.structure-part-desc span {
  color: var(--ink-secondary);
  font-size: 0.8125rem;
}

.rules-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.rules-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  font-size: 0.875rem;
  color: var(--ink-secondary);
  padding: 0.7rem 0.85rem;
  background-color: var(--bg-sheet);
  border: 1px solid var(--line-hairline);
  border-radius: 8px;
}

.rules-list li svg {
  flex-shrink: 0;
  color: var(--accent-terracotta);
  margin-top: 0.15rem;
}

.rules-list li strong {
  color: var(--ink-primary);
}

/* Active Exam Layout (2-Column Tactical Folio) */
.exam-layout {
  display: grid;
  grid-template-columns: 290px minmax(0, 1fr);
  gap: 1.75rem;
  align-items: start;
}

/* Left Kinematic Staff Spine */
.kinematic-sidebar {
  position: sticky;
  top: 88px;
  background-color: var(--bg-sheet);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-panel);
  overflow: hidden;
}

.sidebar-student-strip {
  padding: 1.15rem 1.25rem;
  background-color: var(--bg-pine);
  color: var(--ink-on-pine);
  border-bottom: 1px solid var(--line-strong);
}

.sidebar-student-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--ink-on-pine);
  margin-bottom: 0.2rem;
  word-break: break-word;
}

.sidebar-student-doc {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-on-pine-muted);
}

.sidebar-section {
  padding: 1.1rem 1.25rem;
  border-bottom: 1px solid var(--line-hairline);
}

.sidebar-section-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--ink-primary);
  margin-bottom: 0.65rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sidebar-count-pill {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.15rem 0.55rem;
  border-radius: var(--radius-pill);
  background-color: var(--bg-recessed);
  color: var(--ink-primary);
}

.mcq-staff-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.4rem;
}

.staff-node-btn {
  height: 34px;
  border: 1px solid var(--line-hairline);
  border-radius: 6px;
  background-color: var(--bg-court);
  color: var(--ink-secondary);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.18s var(--ease-out-expo), color 0.18s var(--ease-out-expo), border-color 0.18s var(--ease-out-expo);
}

.staff-node-btn:hover {
  border-color: var(--bg-pine);
  color: var(--ink-primary);
}

.staff-node-btn.is-answered {
  background-color: var(--bg-pine);
  border-color: var(--bg-pine);
  color: var(--ink-on-pine);
}

.staff-written-list {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.staff-written-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0.7rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--ink-secondary);
  background-color: var(--bg-court);
  border: 1px solid var(--line-hairline);
  border-radius: 6px;
  text-decoration: none;
  cursor: pointer;
}

.staff-written-link.is-answered {
  background-color: var(--bg-pine-soft);
  border-color: var(--bg-pine);
  color: var(--bg-pine);
}

.staff-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--line-hairline);
}

.staff-written-link.is-answered .staff-status-dot {
  background-color: var(--bg-pine);
}

.sidebar-save-indicator {
  padding: 0.8rem 1.25rem;
  font-size: 0.78rem;
  color: var(--ink-muted);
  background-color: var(--bg-court);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Main Exam Stream */
.exam-stream {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.exam-block-sheet {
  background-color: var(--bg-sheet);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-panel);
  overflow: hidden;
}

.block-sheet-header {
  padding: 1.75rem 2.25rem;
  background-color: var(--bg-pine);
  color: var(--ink-on-pine);
  border-bottom: 1px solid var(--line-strong);
}

.block-sheet-title {
  font-size: clamp(1.35rem, 2vw, 1.65rem);
  font-weight: 800;
  color: var(--ink-on-pine);
  margin-bottom: 0.45rem;
}

.block-sheet-instructions {
  color: var(--ink-on-pine-muted);
  font-size: 0.925rem;
  margin-bottom: 0;
  max-width: 70ch;
}

/* Question Items */
.question-list {
  display: flex;
  flex-direction: column;
}

.question-item {
  padding: 2rem 2.25rem;
  border-bottom: 1px solid var(--line-hairline);
  scroll-margin-top: 96px;
}

.question-item:last-child {
  border-bottom: none;
}

.question-header-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.85rem;
}

.question-title {
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--ink-primary);
  line-height: 1.45;
  max-width: 70ch;
  margin: 0;
}

.question-number-tag {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--bg-pine);
  margin-right: 0.45rem;
}

.question-state-pill {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line-hairline);
  background-color: var(--bg-court);
  color: var(--ink-muted);
  white-space: nowrap;
  flex-shrink: 0;
}

.question-item.is-answered .question-state-pill {
  background-color: var(--bg-pine-soft);
  border-color: var(--bg-pine);
  color: var(--bg-pine);
}

.options-stack {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-top: 1rem;
}

.option-capsule {
  display: grid;
  grid-template-columns: 36px 1fr auto;
  align-items: center;
  gap: 0.85rem;
  padding: 0.85rem 1.1rem;
  background-color: var(--bg-court);
  border: 1px solid var(--line-hairline);
  border-radius: 10px;
  cursor: pointer;
  transition: background-color 0.2s var(--ease-out-expo), border-color 0.2s var(--ease-out-expo), transform 0.15s var(--ease-out-expo);
}

.option-capsule:hover {
  border-color: var(--bg-pine);
  background-color: var(--bg-sheet);
}

.option-capsule:active {
  transform: scale(0.995);
}

.option-capsule input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.option-letter-badge {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line-strong);
  background-color: var(--bg-sheet);
  color: var(--ink-primary);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.2s var(--ease-out-expo), color 0.2s var(--ease-out-expo);
}

.option-text {
  font-size: 0.95rem;
  color: var(--ink-primary);
  line-height: 1.45;
}

.option-live-chip {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.18rem 0.55rem;
  border-radius: var(--radius-pill);
  background-color: transparent;
  color: transparent;
  transition: background-color 0.2s var(--ease-out-expo), color 0.2s var(--ease-out-expo);
}

.option-capsule.is-selected {
  background-color: var(--bg-pine-soft);
  border-color: var(--bg-pine);
}

.option-capsule.is-selected .option-letter-badge {
  background-color: var(--bg-pine);
  color: var(--ink-on-pine);
}

.option-capsule.is-selected .option-text {
  font-weight: 600;
}

.option-capsule.is-selected .option-live-chip {
  background-color: var(--bg-pine);
  color: var(--ink-on-pine);
}

/* Case Study Scenario Board */
.case-scenario-board {
  margin: 1.75rem 2.25rem 0.5rem;
  padding: 1.5rem 1.75rem;
  background-color: var(--bg-court);
  border: 1px solid var(--line-strong);
  border-radius: 10px;
}

.case-scenario-title {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--bg-pine);
  margin-bottom: 0.65rem;
}

.case-scenario-body p {
  font-size: 0.96rem;
  color: var(--ink-primary);
  margin-bottom: 0.75rem;
}

.case-scenario-body p:last-child {
  margin-bottom: 0;
}

.written-textarea {
  width: 100%;
  min-height: 132px;
  padding: 0.9rem 1.05rem;
  font-family: var(--font-sans);
  font-size: 0.96rem;
  line-height: 1.6;
  color: var(--ink-primary);
  background-color: var(--bg-court);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  resize: vertical;
  margin-top: 0.75rem;
  transition: background-color 0.2s var(--ease-out-expo), border-color 0.2s var(--ease-out-expo);
}

.written-textarea::placeholder {
  color: var(--ink-muted);
}

.written-textarea:focus {
  background-color: var(--bg-sheet);
  border-color: var(--accent-terracotta);
}

.textarea-meta-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.45rem;
  font-size: 0.78rem;
  color: var(--ink-muted);
}

/* Reflection Guide Criteria Grid */
.criteria-pill-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.65rem;
  margin: 1rem 0 1.25rem;
}

.criteria-item {
  padding: 0.7rem 0.95rem;
  background-color: var(--bg-court);
  border: 1px solid var(--line-hairline);
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--ink-primary);
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.criteria-item svg {
  color: var(--bg-pine);
  flex-shrink: 0;
}

/* Isolated Final Submission Zone (Console Raise: Deliberate Isolation) */
.isolated-submit-zone {
  margin-top: 1.5rem;
  padding: 2.5rem 2.25rem;
  background-color: var(--bg-sheet);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-panel);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.submit-zone-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.submit-zone-heading {
  font-size: 1.35rem;
  font-weight: 800;
  margin-bottom: 0.45rem;
}

.submit-zone-desc {
  color: var(--ink-secondary);
  font-size: 0.925rem;
  margin-bottom: 0;
}

.submit-readiness-summary {
  padding: 0.9rem 1.2rem;
  background-color: var(--bg-court);
  border: 1px solid var(--line-hairline);
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--ink-primary);
}

.submit-actions-bar {
  padding-top: 1.5rem;
  border-top: 1px solid var(--line-hairline);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.btn-final-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  padding: 1rem 1.85rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 800;
  color: var(--ink-on-pine);
  background-color: var(--accent-terracotta);
  border: 1px solid var(--accent-terracotta);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: background-color 0.18s var(--ease-out-expo), transform 0.18s var(--ease-out-expo);
}

.btn-final-submit:hover:not(:disabled) {
  background-color: var(--accent-terracotta-hover);
}

.btn-final-submit:active:not(:disabled) {
  transform: scale(0.985);
}

.btn-final-submit:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

/* Confirmation Inline Drawer (Non-modal protected confirmation) */
.confirm-inline-panel {
  padding: 1.35rem 1.5rem;
  background-color: var(--accent-amber-soft);
  border: 1px solid var(--accent-amber-ink);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.confirm-inline-text {
  font-size: 0.92rem;
  color: var(--ink-primary);
  font-weight: 600;
}

.confirm-inline-buttons {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-secondary-outline {
  padding: 0.65rem 1.15rem;
  background-color: var(--bg-sheet);
  color: var(--ink-primary);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-pill);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
}

/* Result / Feedback View */
.result-sheet {
  max-width: 860px;
  margin: 0 auto;
  background-color: var(--bg-sheet);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-panel);
  overflow: hidden;
}

.result-header {
  padding: 2.25rem 2.5rem;
  background-color: var(--bg-pine);
  color: var(--ink-on-pine);
  border-bottom: 1px solid var(--line-strong);
}

.result-title {
  font-size: clamp(1.65rem, 2.5vw, 2.2rem);
  font-weight: 800;
  color: var(--ink-on-pine);
  margin-bottom: 0.5rem;
}

.result-subtitle {
  color: var(--ink-on-pine-muted);
  font-size: 0.95rem;
  margin-bottom: 0;
}

.result-body {
  padding: 2.25rem 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.result-score-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  overflow: hidden;
  background-color: var(--bg-court);
}

.result-score-pane {
  padding: 1.65rem 1.75rem;
  border-right: 1px solid var(--line-hairline);
}

.result-score-pane:last-child {
  border-right: none;
}

.result-pane-heading {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--ink-primary);
  margin-bottom: 0.65rem;
}

.score-display-figure {
  font-family: var(--font-mono);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--bg-pine);
  line-height: 1.1;
  margin-bottom: 0.45rem;
}

.score-display-note {
  font-size: 0.86rem;
  color: var(--ink-secondary);
  margin-bottom: 0;
}

.review-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.95rem;
  background-color: var(--accent-amber-soft);
  border: 1px solid var(--accent-amber-ink);
  color: var(--accent-amber-ink);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  margin-bottom: 0.65rem;
}

.result-meta-table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--line-hairline);
  background-color: var(--bg-court);
}

.result-meta-table tr {
  border-bottom: 1px solid var(--line-hairline);
}

.result-meta-table tr:last-child {
  border-bottom: none;
}

.result-meta-table th,
.result-meta-table td {
  padding: 0.8rem 1rem;
  font-size: 0.875rem;
  text-align: left;
}

.result-meta-table th {
  width: 38%;
  color: var(--ink-secondary);
  font-weight: 600;
  background-color: var(--bg-sheet);
  border-right: 1px solid var(--line-hairline);
}

.result-meta-table td {
  color: var(--ink-primary);
  font-weight: 600;
}

/* Utility Hidden */
.is-hidden {
  display: none !important;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--line-hairline);
  padding: 1.25rem 1.5rem;
  background-color: var(--bg-court);
  color: var(--ink-secondary);
  font-size: 0.8125rem;
}

.site-footer-inner {
  max-width: 1360px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

@media (max-width: 1024px) {
  .gate-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .gate-primary-pane {
    border-right: none;
    border-bottom: 1px solid var(--line-hairline);
  }

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

  .kinematic-sidebar {
    position: static;
  }
}

@media (max-width: 680px) {
  .control-header-inner {
    grid-template-columns: minmax(0, 1fr);
    padding: 0.85rem 1rem;
    gap: 0.65rem;
  }

  .brand-title-main,
  .brand-title-sub {
    white-space: normal;
  }

  .telemetry-cluster {
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 0.5rem;
    width: 100%;
  }

  .telemetry-cell {
    font-size: 0.76rem;
    padding: 0.35rem 0.7rem;
  }

  .workspace-shell {
    padding: 1.15rem 0.85rem 2.5rem;
  }

  .gate-primary-pane,
  .dossier-block,
  .question-item,
  .block-sheet-header,
  .isolated-submit-zone,
  .result-header,
  .result-body {
    padding: 1.25rem 1rem;
  }

  .structure-part-tag {
    width: 72px;
    font-size: 0.78rem;
  }

  .case-scenario-board {
    margin: 1.15rem 1rem 0.5rem;
    padding: 1rem;
  }

  .criteria-pill-grid,
  .result-score-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .result-score-pane {
    border-right: none;
    border-bottom: 1px solid var(--line-hairline);
  }

  .result-score-pane:last-child {
    border-bottom: none;
  }
}

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