:root {
  color-scheme: light;
  --color-ink: #101623;
  --color-muted: #5b6475;
  --color-soft: #eef1f6;
  --color-line: #d9dfeb;
  --color-panel: rgba(255, 255, 255, 0.92);
  --color-surface: #f6f7fb;
  --color-primary: #2b59d9;
  --color-primary-strong: #163aa5;
  --color-accent: #b45f25;
  --color-success: #21845b;
  --color-warning: #b7791f;
  --color-danger: #be3f3f;
  --color-focus: rgba(43, 89, 217, 0.32);
  --shadow-panel: 0 24px 70px rgba(28, 39, 64, 0.12);
  --shadow-button: 0 12px 24px rgba(43, 89, 217, 0.22);
  --shadow-soft: 0 14px 34px rgba(28, 39, 64, 0.08);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-14: 56px;
  --font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-6);
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  color: var(--color-ink);
  background:
    radial-gradient(circle at 10% -10%, rgba(180, 95, 37, 0.18), transparent 28rem),
    radial-gradient(circle at 95% 0%, rgba(43, 89, 217, 0.14), transparent 30rem),
    linear-gradient(145deg, #fbfbfd 0%, #eef1f7 48%, #f8f5ef 100%);
}

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

button,
select {
  cursor: pointer;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
a:focus-visible {
  outline: 3px solid rgba(43, 89, 217, 0.28);
  outline-offset: 3px;
}

a {
  color: inherit;
  text-decoration: none;
}

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

h1 {
  max-width: 15ch;
  margin-bottom: var(--space-5);
  font-size: clamp(2.45rem, 6vw, 4.9rem);
  line-height: 0.96;
  letter-spacing: 0;
}

h2 {
  margin-bottom: var(--space-3);
  font-size: clamp(1.45rem, 3vw, 2.1rem);
  line-height: 1.12;
}

h3 {
  margin-bottom: var(--space-4);
  font-size: 1.05rem;
}

.app-shell {
  display: grid;
  grid-template-columns: 284px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  height: 100vh;
  padding: var(--space-6);
  border-right: 1px solid rgba(16, 22, 35, 0.08);
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(18px);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  color: #ffffff;
  background: linear-gradient(135deg, var(--color-ink), #32446b);
  box-shadow: 0 14px 28px rgba(16, 22, 35, 0.18);
  font-weight: 800;
}

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

.brand small {
  color: var(--color-muted);
  font-size: 0.82rem;
}

.nav-list {
  display: grid;
  gap: var(--space-2);
}

.nav-link {
  display: flex;
  align-items: center;
  min-height: 44px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 11px 12px;
  color: var(--color-muted);
  font-weight: 700;
  line-height: 1.2;
  transition: color 160ms ease, background 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.nav-link:hover,
.nav-link.is-active {
  color: var(--color-ink);
  border-color: rgba(16, 22, 35, 0.08);
  background: rgba(255, 255, 255, 0.84);
  box-shadow: 0 10px 24px rgba(16, 22, 35, 0.06);
}

.streak-panel,
.panel,
.mission-panel,
.metric-card {
  border: 1px solid rgba(16, 22, 35, 0.09);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: var(--shadow-panel);
}

.streak-panel {
  margin-top: auto;
  padding: var(--space-5);
}

.streak-panel strong {
  display: block;
  margin-bottom: var(--space-2);
  font-size: 1.8rem;
}

.streak-panel span,
.subtle,
.lead,
.scenario,
.empty-state p,
.summary-panel p {
  color: var(--color-muted);
  line-height: 1.6;
}

main {
  display: grid;
  gap: var(--space-12);
  width: min(100%, 1520px);
  padding: clamp(32px, 4vw, 64px);
  margin: 0 auto;
}

main > section,
.training-workbench > section {
  scroll-margin-top: var(--space-6);
}

.training-workbench {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: start;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 360px);
  align-items: stretch;
  gap: var(--space-6);
  min-height: 420px;
  padding: clamp(24px, 3.2vw, 44px);
  border: 1px solid rgba(16, 22, 35, 0.08);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.94), rgba(246, 248, 252, 0.9)),
    linear-gradient(145deg, rgba(43, 89, 217, 0.1), rgba(180, 95, 37, 0.08));
  box-shadow: var(--shadow-panel);
  overflow: hidden;
}

.training-workbench .hero {
  position: relative;
  top: auto;
  grid-template-columns: minmax(0, 1.08fr) minmax(280px, 0.64fr);
  min-height: 460px;
  gap: clamp(28px, 4vw, 64px);
}

.training-workbench .hero h1 {
  max-width: 14ch;
  font-size: clamp(2.7rem, 5vw, 5.1rem);
}

.training-workbench .hero .lead {
  max-width: 720px;
  font-size: 1.12rem;
}

.training-workbench .hero .operations-strip {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

.eyebrow {
  margin-bottom: var(--space-3);
  color: var(--color-accent);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.lead {
  max-width: 760px;
  margin-bottom: var(--space-5);
  font-size: 1.08rem;
}

.operations-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
  width: min(100%, 720px);
  margin-top: var(--space-5);
}

.operations-strip span {
  min-width: 0;
  border: 1px solid rgba(16, 22, 35, 0.08);
  border-radius: var(--radius-sm);
  padding: var(--space-4);
  color: var(--color-muted);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow-soft);
  font-size: 0.9rem;
  font-weight: 800;
}

.operations-strip strong {
  display: block;
  margin-bottom: var(--space-1);
  color: var(--color-ink);
  font-size: 1.65rem;
  line-height: 1;
}

.hero-actions,
.quiz-actions,
.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
}

.button {
  min-height: 44px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 12px 18px;
  font-weight: 800;
  text-align: center;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease, border-color 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button:active {
  transform: translateY(0);
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.56;
  transform: none;
  box-shadow: none;
}

.button.primary {
  color: #ffffff;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-strong));
  box-shadow: var(--shadow-button);
}

.button.primary:hover {
  box-shadow: 0 16px 32px rgba(43, 89, 217, 0.28);
}

.button.primary:active {
  background: linear-gradient(135deg, var(--color-primary-strong), #102c82);
}

.button.secondary {
  color: #ffffff;
  background: var(--color-ink);
}

.button.ghost {
  color: var(--color-ink);
  border-color: var(--color-line);
  background: rgba(255, 255, 255, 0.76);
}

.button.ghost:hover,
.button.ghost:active {
  border-color: rgba(43, 89, 217, 0.42);
  background: rgba(43, 89, 217, 0.08);
}

.button.danger {
  color: #ffffff;
  background: var(--color-danger);
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
  transform: none;
  box-shadow: none;
}

.button:focus-visible,
.nav-link:focus-visible,
.answer-option:focus-within,
.toggle:focus-within {
  outline: 3px solid var(--color-focus);
  outline-offset: 3px;
}

.mission-panel {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--space-5);
  padding: var(--space-6);
}

.mission-header,
.quiz-topline {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  align-items: center;
  color: var(--color-muted);
  font-weight: 700;
}

.quiz-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
  min-width: 0;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--color-success);
  box-shadow: 0 0 0 6px rgba(33, 132, 91, 0.14);
}

.mission-score strong {
  display: block;
  font-size: clamp(4rem, 9vw, 7rem);
  line-height: 0.9;
}

.mission-score span {
  color: var(--color-muted);
  font-weight: 700;
}

.training-workbench .mission-score strong {
  font-size: clamp(3.4rem, 6vw, 5rem);
}

.mission-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-2);
}

.mission-steps span {
  min-width: 0;
  border-radius: var(--radius-sm);
  padding: 10px 8px;
  background: var(--color-soft);
  color: var(--color-muted);
  font-size: 0.78rem;
  font-weight: 800;
  text-align: center;
}

.control-grid,
.workspace-grid,
.insight-grid {
  display: grid;
  grid-template-columns: minmax(320px, 0.76fr) minmax(0, 1.42fr);
  gap: var(--space-8);
  align-items: start;
}

.trainer-console {
  grid-template-columns: minmax(320px, 420px) minmax(0, 1fr);
  padding: clamp(24px, 3vw, 44px);
  border: 1px solid rgba(16, 22, 35, 0.08);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.76), rgba(246, 247, 251, 0.9)),
    rgba(255, 255, 255, 0.64);
  box-shadow: var(--shadow-panel);
}

.console-heading {
  display: flex;
  grid-column: 1 / -1;
  justify-content: space-between;
  gap: var(--space-8);
  align-items: start;
  padding-bottom: var(--space-2);
}

.console-heading .section-heading,
.console-heading p {
  margin: 0;
}

.console-heading p {
  max-width: 660px;
  color: var(--color-muted);
  line-height: 1.6;
}

.panel {
  padding: clamp(24px, 2.7vw, 40px);
}

.section-heading.compact h2 {
  font-size: 1.45rem;
}

.quiz-config,
.question-form,
.ai-form,
.note-form {
  display: grid;
  gap: var(--space-5);
}

.quiz-config {
  position: sticky;
  top: var(--space-6);
  box-shadow: var(--shadow-soft);
}

.config-grid {
  display: grid;
  gap: var(--space-5);
}

label {
  display: grid;
  gap: var(--space-2);
  color: var(--color-muted);
  font-size: 0.9rem;
  font-weight: 800;
}

label.is-muted {
  opacity: 0.72;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  padding: 12px 13px;
  color: var(--color-ink);
  background: rgba(255, 255, 255, 0.86);
}

textarea {
  resize: vertical;
}

input:hover,
select:hover,
textarea:hover {
  border-color: rgba(43, 89, 217, 0.42);
}

input[aria-invalid="true"],
textarea[aria-invalid="true"] {
  border-color: rgba(190, 63, 63, 0.72);
  background: rgba(190, 63, 63, 0.05);
}

.field-help,
.field-error {
  margin: calc(var(--space-3) * -1) 0 0;
  font-size: 0.82rem;
  line-height: 1.45;
}

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

.field-error {
  color: var(--color-danger);
  font-weight: 800;
}

.field-error:empty {
  display: none;
}

.round-validation {
  display: grid;
  gap: var(--space-1);
  border: 1px solid rgba(33, 132, 91, 0.24);
  border-radius: var(--radius-sm);
  padding: var(--space-4);
  color: var(--color-success);
  background: rgba(33, 132, 91, 0.08);
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.round-validation strong {
  color: var(--color-ink);
  font-size: 0.98rem;
}

.round-validation span,
.round-validation em {
  color: inherit;
  font-size: 0.86rem;
  font-style: normal;
}

.round-validation.is-blocked {
  border-color: rgba(190, 63, 63, 0.28);
  color: var(--color-danger);
  background: rgba(190, 63, 63, 0.07);
}

.round-validation.is-ready {
  box-shadow: inset 3px 0 0 rgba(33, 132, 91, 0.52);
}

.type-guidance,
.question-preview {
  border: 1px solid rgba(43, 89, 217, 0.16);
  border-radius: var(--radius-sm);
  background: rgba(43, 89, 217, 0.06);
}

.type-guidance {
  padding: var(--space-4);
  color: var(--color-primary-strong);
  font-size: 0.9rem;
  font-weight: 800;
  line-height: 1.5;
}

.question-preview {
  display: grid;
  gap: var(--space-4);
  padding: var(--space-4);
  background: rgba(255, 255, 255, 0.74);
}

.question-preview h3 {
  margin-bottom: 0;
}

.toggle-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
  padding-top: var(--space-2);
}

.note-status-field {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin: 0;
  border: 0;
  padding: 0;
}

.note-status-field legend {
  width: 100%;
  margin-bottom: var(--space-1);
  color: var(--color-muted);
  font-size: 0.9rem;
  font-weight: 800;
}

.status-option {
  display: flex;
  align-items: center;
  min-height: 44px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  color: var(--color-ink);
  background: rgba(255, 255, 255, 0.72);
  transition: border-color 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.status-option:hover,
.status-option:has(input:checked) {
  border-color: rgba(43, 89, 217, 0.36);
  background: rgba(43, 89, 217, 0.08);
  box-shadow: 0 10px 22px rgba(43, 89, 217, 0.08);
}

.status-option input {
  width: auto;
  margin: 0 var(--space-2) 0 0;
}

.toggle {
  grid-template-columns: 20px 1fr;
  align-items: center;
  min-height: 42px;
  border: 1px solid rgba(16, 22, 35, 0.08);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  color: var(--color-ink);
  background: rgba(255, 255, 255, 0.62);
  font-weight: 700;
}

.quiz-card {
  min-height: 560px;
  box-shadow: var(--shadow-soft);
}

.catalog-status {
  margin-bottom: var(--space-4);
  border: 1px solid rgba(33, 132, 91, 0.24);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  color: var(--color-success);
  background: rgba(33, 132, 91, 0.08);
  font-size: 0.9rem;
  font-weight: 800;
  line-height: 1.45;
}

.catalog-status.is-warning {
  border-color: rgba(183, 121, 31, 0.28);
  color: var(--color-warning);
  background: rgba(183, 121, 31, 0.1);
}

.empty-state {
  display: grid;
  gap: var(--space-3);
  align-content: center;
  justify-items: start;
  min-height: 430px;
  padding: clamp(24px, 3vw, 44px);
  text-align: left;
}

.empty-icon {
  display: grid;
  place-items: center;
  width: 66px;
  height: 66px;
  margin-bottom: var(--space-4);
  border-radius: 18px;
  color: #ffffff;
  background: linear-gradient(135deg, var(--color-accent), #8f4325);
  font-size: 2rem;
  font-weight: 900;
}

.empty-state h2,
.empty-state p {
  max-width: 560px;
}

.quiz-flow {
  display: grid;
  gap: var(--space-5);
}

.round-progress {
  height: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--color-soft);
}

.round-progress span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transition: width 180ms ease;
}

.question-context {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

.question-context span {
  min-width: 0;
  border: 1px solid rgba(16, 22, 35, 0.08);
  border-radius: var(--radius-sm);
  padding: var(--space-3);
  background: rgba(246, 247, 251, 0.78);
}

.question-context strong,
.question-context em {
  display: block;
  min-width: 0;
  overflow-wrap: anywhere;
}

.question-context strong {
  margin-bottom: var(--space-1);
  color: var(--color-muted);
  font-size: 0.72rem;
  text-transform: uppercase;
}

.question-context em {
  color: var(--color-ink);
  font-style: normal;
  font-weight: 800;
}

.chip {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  max-width: 100%;
  border: 1px solid rgba(43, 89, 217, 0.2);
  border-radius: 999px;
  padding: 7px 11px;
  color: var(--color-primary-strong);
  background: rgba(43, 89, 217, 0.08);
  font-size: 0.82rem;
  font-weight: 800;
}

.yaml-block {
  overflow-x: auto;
  border: 1px solid rgba(16, 22, 35, 0.1);
  border-radius: var(--radius-sm);
  padding: var(--space-4);
  color: #f6f7fb;
  background: #131a29;
  line-height: 1.5;
}

.answer-options {
  display: grid;
  gap: var(--space-4);
}

.answer-option {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: var(--space-4);
  align-items: center;
  min-height: 64px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  padding: var(--space-5);
  color: var(--color-ink);
  background: #ffffff;
  font-weight: 700;
  overflow-wrap: anywhere;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.answer-option:hover,
.answer-option.is-selected {
  border-color: rgba(43, 89, 217, 0.42);
  background: rgba(43, 89, 217, 0.06);
}

.answer-option:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-soft);
}

.answer-option.is-correct {
  border-color: rgba(33, 132, 91, 0.42);
  background: rgba(33, 132, 91, 0.08);
}

.answer-option small {
  display: block;
  margin-top: var(--space-1);
  color: var(--color-success);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.answer-option input {
  width: 18px;
  height: 18px;
  margin-top: 2px;
}

.feedback-panel {
  border-radius: var(--radius-sm);
  padding: var(--space-4);
  border: 1px solid rgba(33, 132, 91, 0.25);
  background: rgba(33, 132, 91, 0.08);
  line-height: 1.6;
}

.feedback-panel.is-wrong {
  border-color: rgba(190, 63, 63, 0.28);
  background: rgba(190, 63, 63, 0.08);
}

.feedback-panel.is-saved {
  border-color: rgba(43, 89, 217, 0.24);
  color: var(--color-primary-strong);
  background: rgba(43, 89, 217, 0.08);
  font-weight: 800;
}

.feedback-details {
  display: grid;
  gap: var(--space-3);
  margin: var(--space-3) 0 0;
}

.feedback-details div {
  display: grid;
  gap: var(--space-1);
}

.feedback-details dt {
  color: var(--color-muted);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.feedback-details dd {
  margin: 0;
  overflow-wrap: anywhere;
}

.summary-panel {
  display: grid;
  gap: var(--space-4);
}

.summary-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.summary-review {
  display: grid;
  gap: var(--space-3);
}

.summary-status,
.summary-group {
  display: grid;
  gap: var(--space-3);
}

.summary-status {
  border: 1px solid rgba(43, 89, 217, 0.16);
  border-radius: var(--radius-sm);
  padding: var(--space-4);
  background: rgba(43, 89, 217, 0.06);
}

.summary-status p {
  margin: 0;
}

.summary-group {
  border: 1px solid rgba(16, 22, 35, 0.08);
  border-radius: var(--radius-sm);
  padding: var(--space-4);
  background: rgba(246, 247, 251, 0.72);
}

.summary-group-head {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  align-items: center;
}

.summary-group-head h3 {
  margin: 0;
}

.summary-group-head span {
  display: grid;
  place-items: center;
  min-width: 34px;
  height: 34px;
  border-radius: 999px;
  color: var(--color-ink);
  background: #ffffff;
  font-weight: 900;
}

.summary-group.is-correct {
  border-color: rgba(33, 132, 91, 0.22);
  background: rgba(33, 132, 91, 0.06);
}

.summary-group.is-wrong {
  border-color: rgba(190, 63, 63, 0.22);
  background: rgba(190, 63, 63, 0.06);
}

.review-item {
  display: grid;
  gap: var(--space-2);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  padding: var(--space-4);
  background: rgba(255, 255, 255, 0.72);
}

.review-item.is-correct {
  border-color: rgba(33, 132, 91, 0.25);
}

.review-item.is-wrong {
  border-color: rgba(190, 63, 63, 0.28);
}

.review-item.is-open {
  border-color: rgba(183, 121, 31, 0.28);
}

.review-item p {
  margin: 0;
  color: var(--color-muted);
  line-height: 1.55;
  overflow-wrap: anywhere;
}

.review-item span {
  color: var(--color-ink);
  font-weight: 800;
}

.learning-state {
  display: grid;
  align-content: center;
  gap: var(--space-4);
  min-height: 430px;
  padding: clamp(24px, 3vw, 44px);
}

.learning-state p {
  max-width: 520px;
  color: var(--color-muted);
  line-height: 1.6;
}

.skeleton-line {
  display: block;
  width: min(440px, 100%);
  height: 18px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(217, 223, 235, 0.7), rgba(255, 255, 255, 0.9), rgba(217, 223, 235, 0.7));
  background-size: 220% 100%;
  animation: skeleton-pulse 1200ms ease-in-out infinite;
}

.skeleton-line.wide {
  width: min(620px, 100%);
  height: 28px;
}

@keyframes skeleton-pulse {
  0% { background-position: 120% 0; }
  100% { background-position: -120% 0; }
}

.summary-grid,
.metric-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-4);
}

.summary-grid span,
.metric-card {
  display: grid;
  gap: var(--space-2);
  padding: var(--space-5);
  color: var(--color-muted);
  font-weight: 700;
}

.summary-grid strong,
.metric-card strong {
  color: var(--color-ink);
  font-size: 2rem;
  line-height: 1;
}

.dashboard {
  display: grid;
  gap: var(--space-8);
}

.category-stats,
.timeline,
.focus-list,
.review-focus,
.wrong-answer-list,
.question-bank,
.draft-list,
.notes-list {
  display: grid;
  gap: var(--space-3);
}

.question-bank-controls {
  display: grid;
  grid-template-columns: minmax(220px, 1.5fr) repeat(3, minmax(150px, 1fr));
  gap: var(--space-3);
  align-items: end;
  margin-bottom: var(--space-4);
  border: 1px solid rgba(16, 22, 35, 0.08);
  border-radius: var(--radius-sm);
  padding: var(--space-4);
  background: rgba(246, 247, 251, 0.74);
}

.question-search-field {
  min-width: 0;
}

.question-bank-result {
  margin-bottom: var(--space-3);
  border: 1px solid rgba(43, 89, 217, 0.16);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  color: var(--color-primary-strong);
  background: rgba(43, 89, 217, 0.07);
  font-size: 0.88rem;
  font-weight: 900;
}

.question-bank {
  max-height: min(70vh, 760px);
  overflow: auto;
  padding-right: var(--space-1);
}

.storage-status {
  margin-bottom: var(--space-4);
  border: 1px solid rgba(43, 89, 217, 0.18);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  color: var(--color-primary-strong);
  background: rgba(43, 89, 217, 0.07);
  font-size: 0.88rem;
  font-weight: 800;
  line-height: 1.45;
}

.focus-list {
  margin-bottom: var(--space-4);
}

.focus-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-1) var(--space-3);
  align-items: center;
  border: 1px solid rgba(16, 22, 35, 0.08);
  border-radius: var(--radius-sm);
  padding: var(--space-3);
  background: rgba(246, 247, 251, 0.78);
}

.focus-item span,
.focus-item strong,
.review-focus-item strong,
.wrong-answer-item strong {
  overflow-wrap: anywhere;
}

.focus-item span,
.review-focus-item strong,
.wrong-answer-item strong {
  color: var(--color-ink);
  font-weight: 900;
}

.focus-item strong {
  color: var(--color-danger);
}

.focus-item small {
  grid-column: 1 / -1;
  color: var(--color-muted);
  font-weight: 700;
}

.review-focus-item,
.wrong-answer-item {
  display: grid;
  gap: var(--space-2);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  padding: var(--space-4);
  background: rgba(255, 255, 255, 0.72);
}

.wrong-answer-item {
  border-color: rgba(190, 63, 63, 0.22);
}

.review-focus-item p,
.wrong-answer-item p {
  margin: 0;
  color: var(--color-muted);
  line-height: 1.55;
  overflow-wrap: anywhere;
}

.wrong-answer-item small {
  color: var(--color-muted);
  font-weight: 700;
}

.progress-row {
  display: grid;
  gap: var(--space-2);
  border: 1px solid rgba(16, 22, 35, 0.08);
  border-radius: var(--radius-sm);
  padding: var(--space-3);
  background: rgba(255, 255, 255, 0.7);
}

.progress-row.is-active {
  box-shadow: var(--shadow-soft);
}

.progress-row.is-empty {
  background: rgba(246, 247, 251, 0.72);
}

.progress-label {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  color: var(--color-muted);
  font-weight: 800;
}

.progress-label span {
  min-width: 0;
  overflow-wrap: anywhere;
}

.progress-label span:first-child {
  color: var(--color-ink);
  font-weight: 900;
}

.progress-track {
  height: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--color-soft);
}

.progress-bar {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}

.category-action {
  justify-self: start;
  min-height: 38px;
  padding: 9px 13px;
}

.category-empty-state {
  display: grid;
  gap: var(--space-3);
  border: 1px solid rgba(43, 89, 217, 0.18);
  border-radius: var(--radius-sm);
  padding: var(--space-4);
  background: linear-gradient(135deg, rgba(43, 89, 217, 0.1), rgba(180, 95, 37, 0.08));
}

.category-empty-state strong {
  color: var(--color-ink);
  font-size: 1.08rem;
  line-height: 1.25;
}

.category-empty-state p {
  margin: 0;
  color: var(--color-muted);
  line-height: 1.55;
}

.category-more {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  padding: var(--space-3);
  background: rgba(246, 247, 251, 0.76);
}

.category-more summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  min-height: 44px;
  color: var(--color-ink);
  font-weight: 900;
  list-style-position: inside;
}

.category-more summary small {
  color: var(--color-muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.category-more-list {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-3);
}

.timeline-item,
.question-item,
.draft-item,
.note-item {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  padding: var(--space-4);
  background: rgba(255, 255, 255, 0.72);
}

.question-item,
.draft-item,
.note-item {
  display: grid;
  gap: var(--space-3);
}

.question-item {
  min-width: 0;
}

.question-item strong,
.question-item p {
  overflow-wrap: anywhere;
}

.question-item-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  min-width: 0;
}

.question-item-meta .chip {
  border-radius: var(--radius-sm);
  padding: 6px 9px;
  font-size: 0.78rem;
}

.question-bank-empty {
  display: grid;
  gap: var(--space-2);
  border: 1px dashed rgba(43, 89, 217, 0.24);
  border-radius: var(--radius-sm);
  padding: var(--space-5);
  background: rgba(43, 89, 217, 0.06);
}

.question-bank-empty strong {
  color: var(--color-ink);
  font-size: 1.05rem;
}

.question-bank-empty p {
  margin: 0;
  color: var(--color-muted);
  line-height: 1.55;
  overflow-wrap: anywhere;
}

.draft-item {
  transition: border-color 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.draft-item.is-editing {
  border-color: rgba(43, 89, 217, 0.32);
  background: rgba(43, 89, 217, 0.06);
  box-shadow: inset 3px 0 0 var(--color-primary);
}

.draft-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-2);
  align-items: center;
  min-width: 0;
}

.draft-head .chip,
.draft-item strong,
.draft-item p {
  overflow-wrap: anywhere;
}

.draft-review-note {
  margin: 0;
  border: 1px solid rgba(43, 89, 217, 0.14);
  border-radius: var(--radius-sm);
  padding: var(--space-3);
  color: var(--color-muted);
  background: rgba(43, 89, 217, 0.06);
  font-size: 0.9rem;
  font-weight: 750;
  line-height: 1.45;
}

.draft-compare {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}

.draft-compare div {
  border: 1px solid rgba(16, 22, 35, 0.08);
  border-radius: var(--radius-sm);
  padding: var(--space-3);
  background: rgba(246, 247, 251, 0.72);
}

.draft-compare span {
  display: block;
  margin-bottom: var(--space-2);
  color: var(--color-muted);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.draft-compare p {
  margin: 0;
  color: var(--color-ink);
  line-height: 1.45;
}

.draft-editor {
  margin-top: var(--space-5);
  border: 1px solid rgba(43, 89, 217, 0.18);
  border-radius: var(--radius-sm);
  padding: var(--space-5);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: var(--shadow-soft);
}

.draft-edit-form {
  display: grid;
  gap: var(--space-4);
}

.validation-message {
  margin: 0;
  border: 1px solid rgba(190, 63, 63, 0.24);
  border-radius: var(--radius-sm);
  padding: var(--space-3);
  color: var(--color-danger);
  background: rgba(190, 63, 63, 0.08);
  font-weight: 800;
  line-height: 1.45;
}

.note-item {
  transition: border-color 160ms ease, background 160ms ease, opacity 160ms ease;
}

.note-item.is-done {
  border-color: rgba(33, 132, 91, 0.24);
  background: rgba(33, 132, 91, 0.07);
}

.note-item.is-done p {
  color: var(--color-muted);
}

.note-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-2);
  align-items: center;
  min-width: 0;
}

.note-head .chip {
  overflow-wrap: anywhere;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 0.78rem;
  font-weight: 900;
}

.status-badge.is-open {
  color: var(--color-primary-strong);
  background: rgba(43, 89, 217, 0.1);
}

.status-badge.is-done {
  color: var(--color-success);
  background: rgba(33, 132, 91, 0.12);
}

.status-badge.is-direct {
  color: var(--color-success);
  background: rgba(33, 132, 91, 0.12);
}

.status-badge.is-coach {
  color: var(--color-primary-strong);
  background: rgba(43, 89, 217, 0.1);
}

.status-badge.is-exam {
  color: #7c3d12;
  background: rgba(180, 95, 37, 0.14);
}

.note-confirm {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
  border: 1px solid rgba(190, 63, 63, 0.18);
  border-radius: var(--radius-sm);
  padding: var(--space-3);
  background: rgba(190, 63, 63, 0.06);
}

.note-confirm span {
  flex: 1 1 220px;
  color: var(--color-ink);
  font-weight: 800;
}

.item-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.item-actions .button {
  min-height: 38px;
  padding: 9px 12px;
  font-size: 0.88rem;
}

.empty {
  color: var(--color-muted);
  border: 1px dashed var(--color-line);
  border-radius: var(--radius-sm);
  padding: var(--space-5);
  background: rgba(255, 255, 255, 0.5);
}

.empty.success {
  border-color: rgba(33, 132, 91, 0.28);
  background: rgba(33, 132, 91, 0.08);
}

.toast {
  position: fixed;
  right: var(--space-6);
  bottom: var(--space-6);
  max-width: min(420px, calc(100vw - 32px));
  border: 1px solid rgba(16, 22, 35, 0.1);
  border-radius: var(--radius-sm);
  padding: var(--space-4) var(--space-5);
  color: #ffffff;
  background: var(--color-ink);
  box-shadow: var(--shadow-panel);
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity 180ms ease, transform 180ms ease;
}

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

.is-hidden {
  display: none !important;
}

@media (max-width: 1080px) {
  html {
    scroll-padding-top: 104px;
  }

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

  .sidebar {
    position: sticky;
    top: 0;
    z-index: 20;
    height: auto;
    flex-direction: row;
    align-items: center;
    gap: var(--space-4);
    border-right: 0;
    border-bottom: 1px solid rgba(16, 22, 35, 0.08);
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 14px 32px rgba(16, 22, 35, 0.08);
    overflow: hidden;
  }

  .brand {
    flex: 0 0 auto;
  }

  .brand small {
    display: none;
  }

  .nav-list {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: minmax(max-content, 1fr);
    flex: 1 1 auto;
    min-width: 0;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    padding: var(--space-1);
    scroll-snap-type: x proximity;
    scrollbar-width: thin;
  }

  .nav-link {
    justify-content: center;
    min-height: 44px;
    padding: 12px 14px;
    white-space: nowrap;
    scroll-snap-align: center;
  }

  .nav-link.is-active {
    color: #ffffff;
    border-color: rgba(43, 89, 217, 0.28);
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-strong));
    box-shadow: var(--shadow-button);
  }

  main > section {
    scroll-margin-top: 104px;
  }

  .training-workbench > section {
    scroll-margin-top: 104px;
  }

  .streak-panel {
    display: none;
  }

  .training-workbench,
  .hero,
  .control-grid,
  .workspace-grid,
  .insight-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .training-workbench .hero {
    position: relative;
    top: auto;
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .training-workbench .hero .operations-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .trainer-console {
    grid-template-columns: 1fr;
  }

  .console-heading {
    align-items: start;
    flex-direction: column;
  }

  .quiz-config {
    position: static;
  }

  .toggle-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .question-bank-controls {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  main,
  .sidebar {
    padding: var(--space-4);
  }

  main {
    gap: var(--space-8);
  }

  .hero,
  .panel,
  .trainer-console {
    border-radius: var(--radius-md);
    padding: var(--space-5);
  }

  .hero-actions,
  .quiz-actions,
  .form-actions,
  .item-actions,
  .note-confirm {
    flex-direction: column;
    align-items: stretch;
  }

  .button {
    width: 100%;
  }

  .summary-grid,
  .metric-row,
  .operations-strip,
  .question-context,
  .toggle-row {
    grid-template-columns: 1fr 1fr;
  }

  .mission-steps {
    grid-template-columns: 1fr 1fr;
  }

  .quiz-topline,
  .mission-header,
  .progress-label,
  .category-more summary {
    align-items: flex-start;
    flex-direction: column;
  }

  .focus-item {
    grid-template-columns: 1fr;
  }

  .question-bank-controls {
    grid-template-columns: 1fr;
  }

  .empty-state {
    min-height: 360px;
    padding: var(--space-2);
  }

  .learning-state {
    min-height: 360px;
    padding: var(--space-2);
  }
}

@media (max-width: 460px) {
  .draft-compare,
  .summary-grid,
  .metric-row,
  .operations-strip,
  .question-context,
  .toggle-row {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 2.35rem;
  }
}