:root {
  color-scheme: light;
  --bg: #f4f1eb;
  --surface: #fffdf8;
  --surface-strong: #ffffff;
  --ink: #202632;
  --muted: #596273;
  --line: #ddd5c8;
  --primary: #176b5d;
  --primary-strong: #0f4f45;
  --primary-hover: #0f4f45;
  --primary-soft: #e3f2ee;
  --accent: #b8572a;
  --accent-soft: #f7e8dd;
  --blue: #315b91;
  --blue-action: #315b91;
  --blue-text: #315b91;
  --blue-soft: #e7edf6;
  --warning: #a86c19;
  --warning-text: #74480f;
  --warning-soft: #fbefd9;
  --danger: #a33a3a;
  --danger-soft: #f6e4e4;
  --shadow: 0 16px 40px rgba(31, 39, 51, 0.08);
  --creator-background: linear-gradient(135deg, rgba(247, 232, 221, 0.84), rgba(255, 253, 248, 0.96));
  --nav-background: rgba(244, 241, 235, 0.94);
  --nav-mobile-background: rgba(255, 253, 248, 0.97);
  --quick-start-background: linear-gradient(135deg, rgba(227, 242, 238, 0.96), rgba(255, 253, 248, 0.98) 58%);
  --welcome-background: linear-gradient(135deg, rgba(255, 247, 232, 0.98), rgba(242, 250, 247, 0.98));
  --glass-background: rgba(255, 255, 255, 0.72);
  --empty-background: rgba(255, 253, 248, 0.7);
  --inverse-background: #202632;
  --inverse-ink: #ffffff;
  --radius: 8px;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #111714;
  --surface: #19221e;
  --surface-strong: #212c27;
  --ink: #f2f6f3;
  --muted: #b7c3bd;
  --line: #48574f;
  --primary: #176b5d;
  --primary-strong: #a8e4d7;
  --primary-hover: #0f564a;
  --primary-soft: #233c35;
  --accent: #f0a27a;
  --accent-soft: #432d23;
  --blue: #a8cdf5;
  --blue-action: #315b91;
  --blue-text: #a8cdf5;
  --blue-soft: #26374b;
  --warning: #c98c36;
  --warning-text: #f1c77f;
  --warning-soft: #3e321f;
  --danger: #f19a9a;
  --danger-soft: #472a2c;
  --shadow: 0 16px 40px rgba(0, 0, 0, 0.34);
  --creator-background: linear-gradient(135deg, rgba(67, 45, 35, 0.9), rgba(25, 34, 30, 0.97));
  --nav-background: rgba(17, 23, 20, 0.94);
  --nav-mobile-background: rgba(25, 34, 30, 0.97);
  --quick-start-background: linear-gradient(135deg, rgba(35, 60, 53, 0.98), rgba(25, 34, 30, 0.98) 58%);
  --welcome-background: linear-gradient(135deg, rgba(67, 45, 35, 0.94), rgba(29, 48, 42, 0.98));
  --glass-background: rgba(33, 44, 39, 0.84);
  --empty-background: rgba(25, 34, 30, 0.78);
  --inverse-background: #26332d;
  --inverse-ink: #f2f6f3;
}

* {
  box-sizing: border-box;
}

html,
body {
  max-width: 100%;
  overflow-x: hidden;
  overflow-x: clip;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

body {
  margin: 0;
  min-width: 0;
  background: var(--bg);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

button {
  cursor: pointer;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex="-1"]:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 2px;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.56;
  transform: none !important;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 100;
  transform: translateY(-150%);
  padding: 10px 12px;
  border-radius: var(--radius);
  background: var(--inverse-background);
  color: var(--inverse-ink);
  font-weight: 850;
  text-decoration: none;
}

.skip-link:focus {
  transform: translateY(0);
}

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

.app-shell {
  min-height: 100vh;
}

.creator-banner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  margin: 10px clamp(16px, 4vw, 48px) 26px;
  padding: 16px 18px;
  border: 1px solid rgba(184, 87, 42, 0.2);
  border-radius: var(--radius);
  background:
    var(--creator-background),
    var(--surface);
  box-shadow: var(--shadow);
  color: var(--ink);
}

.creator-banner img {
  width: min(180px, 42vw);
  height: auto;
  flex: 0 0 auto;
}

.creator-banner div {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.creator-banner p {
  font-weight: 850;
}

.creator-banner a {
  display: inline-flex;
  min-height: 24px;
  align-items: center;
  color: var(--primary-strong);
  font-size: 0.95rem;
  font-weight: 800;
  text-decoration: none;
}

.creator-banner a:hover {
  text-decoration: underline;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px clamp(16px, 4vw, 48px) 18px;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.task-nav {
  position: sticky;
  top: 0;
  z-index: 30;
  padding: 10px clamp(16px, 4vw, 48px);
  border-bottom: 1px solid var(--line);
  background: var(--nav-background);
  backdrop-filter: blur(14px);
}

.task-nav-inner {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
  max-width: 920px;
  margin: 0 auto;
}

.task-nav-button {
  min-height: 42px;
  padding: 0 14px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: transparent;
  color: var(--muted);
  font-weight: 850;
}

.task-nav-button:hover {
  background: var(--surface);
  color: var(--ink);
}

.task-nav-button.active,
.task-nav-button[aria-current="page"] {
  border-color: var(--primary);
  background: var(--primary);
  color: #fff;
}

.topbar h1 {
  margin-top: 4px;
  font-size: clamp(1.35rem, 2.1vw, 2rem);
  letter-spacing: 0;
}

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

.brand-logo {
  width: 56px;
  height: 56px;
  flex: 0 0 auto;
  border-radius: 14px;
  background: var(--primary);
  box-shadow: 0 8px 20px rgba(31, 39, 51, 0.14);
  object-fit: cover;
}

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

.eyebrow {
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.muted,
.empty-mini {
  color: var(--muted);
}

.topbar-actions,
.draw-actions,
.practice-actions,
.timer-controls,
.dossier-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.theme-control {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--muted);
  font-size: 0.78rem;
  white-space: nowrap;
}

.theme-control select {
  width: auto;
  min-height: 34px;
  padding-inline: 8px 28px;
  border: 0;
  background-color: transparent;
  color: var(--ink);
  font-weight: 800;
}

.connection-status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 32px;
  padding: 0 10px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary-strong);
  font-size: 0.78rem;
  font-weight: 800;
}

.connection-status::before {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  content: "";
}

.connection-status.offline {
  background: var(--warning-soft);
  color: var(--warning-text);
}

.connection-status.offline::before {
  background: var(--warning);
}

.app-notice {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 10px clamp(16px, 4vw, 48px);
  border-bottom: 1px solid var(--line);
  line-height: 1.4;
}

.app-notice span {
  color: var(--muted);
  font-size: 0.86rem;
}

.offline-notice {
  background: var(--warning-soft);
}

.update-notice {
  position: sticky;
  top: 63px;
  z-index: 29;
  background: var(--blue-soft);
  box-shadow: 0 8px 20px rgba(31, 39, 51, 0.08);
}

.update-notice > div {
  display: grid;
  gap: 2px;
}

.button,
.icon-button,
.mode-button,
.segment,
.text-button,
.insight-item {
  border: 1px solid transparent;
  border-radius: var(--radius);
  transition:
    transform 0.16s ease,
    border-color 0.16s ease,
    background 0.16s ease,
    color 0.16s ease;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 14px;
  font-weight: 750;
  white-space: nowrap;
}

.button:hover,
.icon-button:hover,
.mode-button:hover,
.segment:hover,
.text-button:hover,
.insight-item:hover {
  transform: translateY(-1px);
}

.button.primary {
  background: var(--primary);
  color: #fff;
}

.button.primary:hover {
  background: var(--primary-hover);
}

.button.ghost {
  background: var(--surface);
  border-color: var(--line);
  color: var(--ink);
}

.button.subtle {
  background: var(--primary-soft);
  color: var(--primary-strong);
}

.button.small {
  min-height: 34px;
  padding-inline: 10px;
  font-size: 0.85rem;
}

.text-button {
  min-height: 30px;
  padding: 0 9px;
  background: var(--surface);
  border-color: var(--line);
  color: var(--blue-text);
  font-size: 0.82rem;
  font-weight: 800;
}

.file-button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--ink);
  font-size: inherit;
  line-height: normal;
  overflow: hidden;
}

.file-button input {
  position: absolute;
  inset: 0;
  cursor: pointer;
  opacity: 0;
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(350px, 440px);
  gap: 22px;
  padding: 22px clamp(16px, 4vw, 48px) 36px;
}

.view-layout {
  grid-template-columns: minmax(0, 1fr);
  max-width: 1480px;
  margin: 0 auto;
}

.view-layout[data-active-view="practice"] .sidebar,
.view-layout[data-active-view="topics"] .sidebar,
.view-layout[data-active-view="progress"] .workspace,
.view-layout[data-active-view="history"] .workspace,
.view-layout[data-active-view="data"] .workspace {
  display: none;
}

.view-layout[data-active-view="practice"] [data-views]:not([data-views~="practice"]),
.view-layout[data-active-view="topics"] [data-views]:not([data-views~="topics"]),
.view-layout[data-active-view="progress"] [data-views]:not([data-views~="progress"]),
.view-layout[data-active-view="history"] [data-views]:not([data-views~="history"]),
.view-layout[data-active-view="data"] [data-views]:not([data-views~="data"]) {
  display: none !important;
}

.view-layout[data-active-view="practice"] .workspace {
  width: min(100%, 1120px);
  margin: 0 auto;
}

.view-layout[data-active-view="history"] .sidebar,
.view-layout[data-active-view="data"] .sidebar {
  width: min(100%, 1040px);
  margin: 0 auto;
}

.view-layout[data-active-view="progress"] .sidebar {
  grid-template-columns: minmax(320px, 0.75fr) minmax(420px, 1.25fr);
}

.workspace,
.sidebar {
  min-width: 0;
}

.workspace > *,
.sidebar > * {
  min-width: 0;
}

.workspace,
.sidebar {
  display: grid;
  gap: 18px;
  align-content: start;
}

.mode-switch {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.quick-start-panel {
  display: grid;
  grid-template-columns: minmax(250px, 1fr) minmax(300px, 0.9fr);
  gap: 18px 26px;
  padding: 24px;
  overflow: hidden;
  background:
    var(--quick-start-background),
    var(--surface);
  border: 1px solid rgba(23, 107, 93, 0.24);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.welcome-panel {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) minmax(360px, 1.15fr);
  gap: 20px 28px;
  padding: 26px;
  border: 1px solid rgba(210, 122, 69, 0.32);
  border-radius: var(--radius);
  background: var(--welcome-background);
  box-shadow: var(--shadow);
}

.welcome-copy {
  display: grid;
  align-content: center;
  gap: 8px;
}

.welcome-copy h2 {
  font-size: clamp(1.35rem, 2.4vw, 2rem);
}

.welcome-copy > p:last-child {
  color: var(--muted);
  line-height: 1.55;
}

.welcome-steps {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.welcome-steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid rgba(23, 107, 93, 0.16);
  border-radius: 14px;
  background: var(--glass-background);
}

.welcome-steps li > span {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-weight: 900;
}

.welcome-steps div {
  display: grid;
  gap: 2px;
}

.welcome-steps small {
  color: var(--muted);
  line-height: 1.4;
}

.welcome-actions {
  display: flex;
  grid-column: 1 / -1;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.quick-start-copy {
  display: grid;
  align-content: center;
  gap: 7px;
}

.quick-start-copy h2 {
  font-size: clamp(1.35rem, 2.4vw, 2rem);
}

.quick-start-copy > p:last-child {
  max-width: 62ch;
  color: var(--muted);
  line-height: 1.5;
}

.quick-start-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.quick-start-metrics div {
  display: grid;
  align-content: center;
  gap: 4px;
  min-height: 82px;
  padding: 12px;
  border: 1px solid rgba(23, 107, 93, 0.18);
  border-radius: var(--radius);
  background: var(--glass-background);
}

.quick-start-metrics strong {
  color: var(--primary-strong);
  font-size: 1.35rem;
}

.quick-start-metrics span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 750;
}

.quick-start-actions {
  display: flex;
  grid-column: 1 / -1;
  flex-wrap: wrap;
  gap: 10px;
}

.mode-button {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 62px;
  padding: 12px;
  background: var(--surface);
  border-color: var(--line);
  color: var(--ink);
  text-align: left;
  font-weight: 850;
}

.mode-button.active {
  background: var(--blue-action);
  border-color: var(--blue-action);
  color: #fff;
}

.mode-icon {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.32);
  flex: 0 0 auto;
  font-weight: 900;
}

.mode-button:not(.active) .mode-icon {
  background: var(--blue-soft);
  border-color: var(--line);
  color: var(--blue);
}

.draw-panel,
.temario-selector,
.session-panel,
.dossier-panel,
.detail-panel,
.simulation-report-panel,
.help-panel,
.viewer-panel,
.progress-panel,
.topic-panel,
.history-panel,
.data-panel,
.insight-panel,
.review-center-panel,
.analytics-panel,
.form-block,
.import-preview-panel,
.export-config-panel,
.import-result-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.export-config-panel,
.import-result-panel {
  display: grid;
  gap: 14px;
  padding: 16px;
  border-color: var(--primary);
  background: var(--surface-strong);
}

.transfer-selection-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.transfer-selection-grid fieldset {
  min-width: 0;
  margin: 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.transfer-selection-grid legend {
  padding-inline: 4px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.selection-options {
  display: grid;
  gap: 4px;
}

.selection-option {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  padding: 6px 8px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  color: var(--ink);
  cursor: pointer;
}

.selection-option:hover,
.selection-option:focus-within {
  border-color: var(--line-strong);
  background: var(--surface-strong);
}

.selection-option input {
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
}

.import-decision-list {
  display: grid;
  gap: 10px;
}

.import-conflict-item {
  display: grid;
  gap: 6px;
  min-width: 0;
  margin: 0;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.import-conflict-item legend {
  padding-inline: 4px;
  color: var(--ink);
  font-size: 0.84rem;
  font-weight: 800;
}

.import-conflict-item p,
.import-result-by-category p {
  margin: 0;
  overflow-wrap: anywhere;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.45;
}

.import-conflict-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px;
}

.analytics-panel {
  display: grid;
  gap: 18px;
  padding: 20px;
}

.analytics-period,
.analytics-block-title span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 750;
}

.analytics-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.analytics-summary div {
  display: grid;
  gap: 4px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
}

.analytics-summary strong {
  color: var(--primary-strong);
  font-size: 1.2rem;
}

.analytics-summary strong.negative {
  color: var(--danger);
}

.analytics-summary span {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 750;
}

.weekly-decision-summary {
  display: grid;
  gap: 10px;
  padding: 14px;
  border: 1px solid var(--primary);
  border-radius: var(--radius);
  background: var(--primary-soft);
}

.weekly-decision-summary h3 {
  font-size: 1rem;
}

#weeklyDecisionContent {
  display: grid;
  gap: 10px;
}

.weekly-decision-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
}

.weekly-decision-head > div {
  display: grid;
  gap: 3px;
}

.weekly-decision-head span,
.weekly-decision-summary li {
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.45;
}

.weekly-pace {
  max-width: 180px;
  color: var(--primary-strong) !important;
  font-weight: 800;
  text-align: right;
}

.weekly-pace.negative {
  color: var(--danger) !important;
}

.weekly-decision-summary ul {
  display: grid;
  gap: 5px;
  margin: 0;
  padding-left: 20px;
}

.weekly-decision-summary .button {
  justify-self: start;
}

.analytics-block {
  display: grid;
  gap: 12px;
  padding-top: 4px;
}

.analytics-block-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.analytics-block-title h3,
.analytics-actions h3 {
  font-size: 1rem;
}

.analytics-split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.topic-trend-list,
.block-analytics-list,
.practice-type-list,
.risk-topic-list {
  display: grid;
  gap: 8px;
}

.topic-trend-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto auto;
  align-items: center;
  gap: 8px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
}

.topic-trend-item > div,
.block-analytics-item > div,
.practice-type-item > div,
.risk-topic-item > div {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.topic-trend-item > div span,
.block-analytics-item > div span,
.practice-type-item > div span,
.risk-topic-item > div span {
  overflow: hidden;
  color: var(--muted);
  font-size: 0.76rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.topic-trend-item > small,
.practice-type-item > small,
.block-analytics-item > small {
  color: var(--muted);
  font-size: 0.74rem;
}

.trend-badge {
  min-width: 52px;
  padding: 4px 7px;
  border-radius: 999px;
  background: var(--blue-soft);
  color: var(--blue-text);
  font-size: 0.76rem;
  font-weight: 850;
  text-align: center;
}

.trend-badge.rising {
  background: var(--primary-soft);
  color: var(--primary-strong);
}

.trend-badge.falling {
  background: var(--danger-soft);
  color: var(--danger);
}

.block-analytics-item,
.practice-type-item,
.risk-topic-item {
  display: grid;
  gap: 7px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
}

.practice-type-metrics {
  display: flex !important;
  flex-wrap: wrap;
  gap: 5px !important;
}

.practice-type-metrics span {
  padding: 3px 6px;
  border-radius: 999px;
  background: var(--blue-soft);
  color: var(--blue-text) !important;
  font-weight: 800;
  white-space: normal !important;
}

.risk-topic-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.risk-topic-item {
  border-left: 4px solid var(--warning);
}

.risk-topic-item.false-mastery {
  border-left-color: var(--danger);
}

.risk-topic-item.declining {
  border-left-color: var(--accent);
}

.risk-topic-item p {
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.45;
}

.analytics-empty {
  padding: 12px;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.45;
}

.activity-chart {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  align-items: end;
  gap: 8px;
  min-height: 150px;
  padding: 14px 10px 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
}

.recall-chart {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  align-items: end;
  gap: 8px;
  min-height: 130px;
  padding: 12px 10px 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
}

.recall-week {
  display: grid;
  justify-items: center;
  gap: 4px;
  min-width: 0;
}

.recall-bar-track {
  position: relative;
  width: min(30px, 70%);
  height: 74px;
  overflow: hidden;
  border-radius: 5px 5px 2px 2px;
  background: var(--blue-soft);
}

.recall-bar-track span {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  border-radius: inherit;
  background: var(--blue-action);
}

.recall-week strong {
  font-size: 0.72rem;
}

.recall-week small {
  color: var(--muted);
  font-size: 0.68rem;
}

.activity-week {
  display: grid;
  justify-items: center;
  gap: 4px;
  min-width: 0;
}

.activity-bar-track {
  position: relative;
  width: min(30px, 70%);
  height: 92px;
  overflow: hidden;
  border-radius: 5px 5px 2px 2px;
  background: var(--primary-soft);
}

.activity-bar-track span {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  border-radius: inherit;
  background: var(--primary);
}

.activity-week strong {
  font-size: 0.82rem;
}

.activity-week small {
  color: var(--muted);
  font-size: 0.68rem;
}

.rubric-chart,
.level-chart {
  display: grid;
  gap: 9px;
}

.analytics-bar-row,
.level-chart-row {
  display: grid;
  grid-template-columns: minmax(105px, 0.8fr) minmax(120px, 1.2fr) 32px;
  align-items: center;
  gap: 10px;
  font-size: 0.78rem;
}

.rubric-chart .analytics-bar-row {
  grid-template-columns: minmax(105px, 0.8fr) minmax(120px, 1.2fr) 32px 48px;
}

.rubric-trend {
  color: var(--primary-strong);
  font-size: 0.7rem;
  font-weight: 800;
  text-align: right;
}

.rubric-trend.negative {
  color: var(--danger);
}

.analytics-bar-row > span,
.level-chart-row > span {
  color: var(--muted);
  font-weight: 750;
}

.analytics-bar-track {
  height: 9px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--blue-soft);
}

.analytics-bar-track span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--blue-action);
}

.level-chart-row .analytics-bar-track span {
  background: var(--primary);
}

.analytics-actions,
.analytics-actions > div {
  display: grid;
  gap: 8px;
}

.analytics-action {
  display: grid;
  gap: 3px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
  color: var(--ink);
  text-align: left;
}

.analytics-action:hover {
  border-color: var(--primary);
  background: var(--primary-soft);
}

.analytics-action span {
  color: var(--muted);
  font-size: 0.8rem;
}

.weekly-goal {
  display: grid;
  gap: 10px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.simulation-phase-field {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 8px;
}

.simulation-guide {
  display: grid;
  gap: 14px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--blue-soft);
}

.simulation-guide-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.simulation-guide-head > div {
  display: grid;
  gap: 3px;
}

.simulation-guide .eyebrow {
  color: var(--primary-strong);
}

.simulation-guide-head h4 {
  font-size: 1rem;
}

.simulation-guide-head > span {
  padding: 5px 8px;
  border-radius: 999px;
  background: var(--surface-strong);
  color: var(--blue-text);
  font-size: 0.78rem;
  font-weight: 850;
}

.simulation-timeline {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.simulation-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: 9px;
  min-width: 0;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.simulation-step.current {
  border-color: var(--blue);
  box-shadow: inset 0 0 0 1px var(--blue);
}

.simulation-step.completed {
  background: var(--primary-soft);
}

.simulation-step-number {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--surface-strong);
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 900;
}

.simulation-step.current .simulation-step-number,
.simulation-step.completed .simulation-step-number {
  background: var(--primary);
  color: #fff;
}

.simulation-step > div {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.simulation-step strong,
.simulation-step span {
  overflow-wrap: anywhere;
}

.simulation-step span {
  color: var(--muted);
  font-size: 0.76rem;
  line-height: 1.4;
}

.simulation-clock-status {
  display: grid;
  gap: 3px;
  padding: 10px 12px;
  border-left: 4px solid var(--warning);
  background: var(--warning-soft);
  color: var(--warning-text);
}

.simulation-clock-status span {
  font-size: 0.82rem;
  line-height: 1.45;
}

.simulation-report-panel {
  border-color: var(--primary);
}

.simulation-report {
  display: grid;
  gap: 14px;
}

.simulation-report-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.simulation-report-metrics > div {
  display: grid;
  gap: 3px;
  min-width: 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
}

.simulation-report-metrics strong {
  color: var(--primary-strong);
  font-size: 1.12rem;
}

.simulation-report-metrics span,
.simulation-first-result,
.simulation-comparison p {
  color: var(--muted);
  font-size: 0.8rem;
}

.simulation-comparison {
  display: grid;
  gap: 8px;
}

.comparison-deltas {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.comparison-deltas span {
  padding: 5px 8px;
  border-radius: 999px;
  background: var(--blue-soft);
  color: var(--blue-text);
  font-size: 0.76rem;
  font-weight: 800;
}

.comparison-deltas .positive {
  background: var(--primary-soft);
  color: var(--primary-strong);
}

.comparison-deltas .negative {
  background: var(--danger-soft);
  color: var(--danger);
}

.simulation-recommendation {
  padding: 12px;
  border-radius: var(--radius);
  background: var(--primary-soft);
  color: var(--ink);
  line-height: 1.5;
}

.simulation-report.compact {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.weekly-goal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.weekly-goal-head > div {
  display: grid;
  gap: 2px;
}

.weekly-goal-head span {
  color: var(--muted);
  font-size: 0.78rem;
}

.weekly-goal-track {
  height: 9px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--primary-soft);
}

.weekly-goal-track span {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: var(--primary);
}

.weekly-goal-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr)) auto;
  align-items: end;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
}

.data-health,
.automatic-backups,
.import-recovery-panel {
  display: grid;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.import-recovery-panel {
  border-top-color: rgba(163, 58, 58, 0.45);
}

.import-recovery-panel p {
  margin: 0;
  color: var(--ink);
}

.health-ok,
.health-warning,
.backup-item {
  display: grid;
  gap: 4px;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
}

.health-ok strong {
  color: var(--primary-strong);
}

.health-warning {
  border-color: rgba(168, 108, 25, 0.35);
  background: var(--warning-soft);
}

.health-warning ul {
  margin: 6px 0 0;
  padding-left: 20px;
}

.health-ok span,
.backup-item span {
  color: var(--muted);
  font-size: 0.8rem;
}

.repair-plan {
  display: grid;
  gap: 8px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.repair-plan h4,
.repair-plan h5,
.repair-plan p {
  margin: 0;
}

.repair-plan h5 {
  font-size: 0.82rem;
}

.repair-plan-summary,
.repair-plan-bounded,
.repair-plan-empty,
.repair-plan-status {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.45;
}

.repair-plan-counts,
.repair-plan-references {
  display: grid;
  gap: 5px;
  margin: 0;
  padding-left: 20px;
  font-size: 0.82rem;
  line-height: 1.4;
}

.repair-plan-references {
  max-height: 14rem;
  overflow: auto;
}

.automatic-backups > div:last-child {
  display: grid;
  gap: 7px;
}

.topic-load-more {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 0.82rem;
}

.schedule-hint {
  margin-top: 12px;
  padding: 10px 12px;
  border-left: 4px solid var(--primary);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: var(--primary-soft);
  color: var(--primary-strong);
  font-size: 0.86rem;
  line-height: 1.45;
}

.review-center-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  padding: 20px;
}

.review-center-panel > * {
  min-width: 0;
  max-width: 100%;
}

.review-center-summary {
  color: var(--muted);
  line-height: 1.5;
}

.review-center-actions,
.review-item-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.daily-review-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(140px, 1fr)) auto;
  align-items: end;
  gap: 10px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--primary-soft);
}

.review-center-metrics {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
}

.review-center-metrics div {
  display: grid;
  gap: 4px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
}

.review-center-metrics strong {
  color: var(--primary-strong);
  font-size: 1.25rem;
}

.review-center-metrics span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.review-center-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  min-width: 0;
}

.review-center-list > * {
  min-width: 0;
  max-width: 100%;
}

.review-center-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
}

.review-center-item p {
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.82rem;
}

.review-recommendation {
  display: block;
  margin-top: 6px;
  color: var(--primary-strong);
  font-size: 0.8rem;
  line-height: 1.45;
}

.review-recommendation strong {
  font-weight: 850;
}

.review-status {
  min-width: 68px;
  padding: 5px 7px;
  border-radius: 999px;
  background: var(--blue-soft);
  color: var(--blue);
  font-size: 0.72rem;
  font-weight: 850;
  text-align: center;
}

.review-status.overdue {
  background: var(--danger-soft);
  color: var(--danger);
}

.review-status.today {
  background: var(--warning-soft);
  color: var(--warning-text);
}

.draw-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 22px;
}

.temario-selector {
  display: grid;
  gap: 12px;
  padding: 16px;
}

.selector-grid {
  display: grid;
  grid-template-columns: minmax(240px, 0.8fr) minmax(280px, 1.2fr);
  gap: 12px;
}

.selection-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 0.9rem;
}

.selection-meta .text-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  text-decoration: none;
}

.draw-copy {
  display: grid;
  gap: 8px;
}

.draw-copy h2,
.session-head h2,
.panel-title-row h2,
.progress-header h2 {
  font-size: 1.15rem;
  line-height: 1.25;
  letter-spacing: 0;
}

.draw-copy p:not(.eyebrow) {
  color: var(--muted);
  line-height: 1.5;
}

.result-zone {
  min-height: 260px;
}

.empty-state {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  place-items: center;
  align-content: center;
  gap: 10px;
  min-height: 260px;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  background: var(--empty-background);
  text-align: center;
  padding: 28px;
}

.empty-state > * {
  min-width: 0;
  max-width: 100%;
}

.empty-state.compact {
  min-height: 118px;
  padding: 18px;
}

.empty-state p {
  color: var(--muted);
  max-width: 58ch;
  line-height: 1.5;
}

.empty-mark {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 1.45rem;
  font-weight: 900;
}

.draw-results {
  display: grid;
  gap: 12px;
}

.draw-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
}

.draw-number,
.topic-number {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--blue-soft);
  color: var(--blue);
  font-weight: 900;
  flex: 0 0 auto;
}

.draw-card h3 {
  margin: 0 0 5px;
  font-size: 1rem;
  line-height: 1.35;
}

.draw-meta {
  color: var(--muted);
  font-size: 0.86rem;
}

.session-panel,
.dossier-panel,
.detail-panel,
.simulation-report-panel,
.help-panel,
.viewer-panel {
  display: grid;
  gap: 16px;
  padding: 18px;
  min-width: 0;
}

.session-head,
.progress-header,
.panel-title-row,
.practice-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.session-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: 14px;
}

.form-block {
  display: grid;
  gap: 14px;
  padding: 16px;
  box-shadow: none;
}

.block-title {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 12px;
}

.block-title h3 {
  font-size: 1rem;
  letter-spacing: 0;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

label {
  display: grid;
  gap: 6px;
  min-width: 0;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  min-width: 0;
  max-width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
  color: var(--ink);
}

select option,
select optgroup {
  /* Windows puede ignorar el fondo del popup nativo, así que sus opciones usan siempre contraste claro. */
  background-color: #ffffff;
  color: #202632;
}

input,
select {
  min-height: 38px;
  padding: 0 10px;
}

textarea {
  resize: vertical;
  padding: 12px;
  line-height: 1.45;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--primary);
}

.search-field {
  min-width: min(100%, 260px);
}

.checklist {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.checklist label {
  display: flex;
  align-items: center;
  min-height: 34px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
  color: var(--ink);
}

.checklist input {
  width: 18px;
  height: 18px;
  min-height: 18px;
  accent-color: var(--primary);
}

.rubric-list {
  display: grid;
  gap: 10px;
}

.rubric-item {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr) 24px;
  align-items: center;
  gap: 10px;
  color: var(--ink);
}

.rubric-item input {
  min-height: 24px;
  padding: 0;
  accent-color: var(--primary);
}

.rubric-item output {
  color: var(--primary-strong);
  font-weight: 900;
  text-align: right;
}

.timer-box {
  display: grid;
  justify-items: end;
  gap: 6px;
}

.timer-box label {
  color: var(--muted);
}

.timer-controls input {
  width: 74px;
}

.icon-button {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  background: var(--blue-soft);
  color: var(--blue);
  font-weight: 900;
}

#timerOutput {
  font-variant-numeric: tabular-nums;
  font-size: 1.45rem;
  font-weight: 900;
}

.file-drop {
  display: grid;
  place-items: center;
  min-height: 76px;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
  color: var(--blue);
  position: relative;
  overflow: hidden;
}

.file-drop input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.attachment-list {
  display: grid;
  gap: 8px;
}

.attachment-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
}

.attachment-item span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.attachment-item small {
  color: var(--muted);
  white-space: nowrap;
}

.session-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  color: var(--muted);
  font-size: 0.9rem;
}

.dossier-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.session-detail-content {
  display: grid;
  gap: 14px;
}

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

.detail-card {
  display: grid;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
}

.detail-list {
  display: grid;
  gap: 8px;
  margin: 0;
}

.detail-list div {
  display: grid;
  grid-template-columns: minmax(120px, 0.45fr) minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}

.detail-list dt {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.detail-list dd {
  margin: 0;
  font-weight: 700;
  line-height: 1.35;
}

.score-big {
  color: var(--primary-strong);
  font-size: 2rem;
  font-weight: 900;
}

.section-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.tag.done {
  background: var(--primary-soft);
  border-color: rgba(23, 107, 93, 0.35);
  color: var(--primary-strong);
}

.detail-note {
  color: var(--ink);
  line-height: 1.5;
  white-space: pre-wrap;
}

.detail-actions,
.history-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.help-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.help-grid article {
  display: grid;
  gap: 7px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
}

.help-grid .help-intro {
  grid-column: 1 / -1;
  border-color: rgba(23, 107, 93, 0.28);
  background: var(--primary-soft);
}

.help-intro .button {
  justify-self: start;
  margin-top: 4px;
}

.help-grid h3 {
  font-size: 0.98rem;
}

.help-grid p {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.attachment-viewer-layout {
  display: grid;
  grid-template-columns: minmax(220px, 0.28fr) minmax(0, 1fr);
  gap: 14px;
}

.attachment-browser {
  display: grid;
  align-content: start;
  gap: 8px;
  overflow: auto;
  max-height: 680px;
}

.attachment-tab {
  display: grid;
  gap: 4px;
  width: 100%;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
  color: var(--ink);
  text-align: left;
}

.attachment-tab.active {
  border-color: rgba(23, 107, 93, 0.45);
  background: var(--primary-soft);
}

.attachment-tab span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 850;
}

.attachment-tab small {
  color: var(--muted);
}

.attachment-preview {
  min-width: 0;
  display: grid;
  gap: 12px;
}

.preview-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.preview-head h3 {
  overflow-wrap: anywhere;
  font-size: 1rem;
}

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

.viewer-actions a {
  text-decoration: none;
}

.image-preview-wrap {
  display: grid;
  place-items: center;
  min-height: 420px;
  max-height: 760px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
  padding: 12px;
}

.image-preview-wrap img {
  max-width: 100%;
  height: auto;
  border-radius: 4px;
}

.pdf-preview {
  display: block;
  width: 100%;
  height: clamp(720px, 78vh, 920px);
  min-height: 720px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
}

.progress-panel,
.topic-panel,
.history-panel,
.insight-panel,
.data-panel {
  padding: 16px;
}

.progress-ring {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: conic-gradient(var(--primary) var(--progress, 0%), var(--primary-soft) 0);
}

.progress-ring span {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--surface);
  color: var(--primary-strong);
  font-size: 0.85rem;
  font-weight: 900;
}

.progress-track {
  height: 9px;
  margin: 16px 0;
  overflow: hidden;
  border-radius: 999px;
  background: var(--primary-soft);
}

.progress-track div {
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: var(--primary);
  transition: width 0.2s ease;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.metrics div {
  display: grid;
  gap: 2px;
  padding: 10px;
  border-radius: var(--radius);
  background: var(--surface-strong);
  border: 1px solid var(--line);
}

.metrics strong {
  font-size: 1.12rem;
}

.metrics span {
  color: var(--muted);
  font-size: 0.78rem;
}

.topic-panel,
.history-panel,
.insight-panel,
.data-panel {
  display: grid;
  gap: 14px;
}

.filters {
  display: grid;
  gap: 10px;
}

.advanced-filters,
.dossier-meta-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.dossier-meta-grid {
  grid-template-columns: minmax(0, 1fr) minmax(220px, 0.4fr);
  align-items: end;
}

.dossier-status {
  display: grid;
  gap: 4px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.filters-wide {
  grid-template-columns: minmax(280px, 1fr) minmax(360px, 0.85fr);
  align-items: center;
}

.segmented {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
}

.segment {
  min-height: 34px;
  background: transparent;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.segment.active {
  background: var(--primary);
  color: #fff;
}

.topic-list,
.history-list,
.insight-list {
  display: grid;
  gap: 8px;
  max-height: 430px;
  overflow: auto;
  padding-right: 3px;
}

.topic-panel-wide .topic-list {
  height: clamp(520px, 64vh, 760px);
  max-height: clamp(520px, 64vh, 760px);
}

.insight-list {
  max-height: none;
}

.insight-item {
  display: grid;
  gap: 3px;
  width: 100%;
  padding: 10px;
  background: var(--surface-strong);
  border-color: var(--line);
  color: var(--ink);
  text-align: left;
}

.insight-item strong {
  font-size: 0.92rem;
}

.insight-item span {
  color: var(--muted);
  font-size: 0.82rem;
}

.empty-mini {
  padding: 10px;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  font-size: 0.9rem;
}

.topic-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  padding: 10px;
  border: 1px solid var(--line);
  border-left-width: 5px;
  border-radius: var(--radius);
  background: var(--surface-strong);
}

.topic-item.level-0 {
  border-left-color: var(--line);
}

.topic-item.level-1,
.topic-item.level-2 {
  border-left-color: var(--warning);
}

.topic-item.level-3,
.topic-item.level-4 {
  border-left-color: var(--blue);
}

.topic-item.level-5 {
  border-left-color: var(--primary);
}

.topic-title {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.topic-title strong {
  line-height: 1.35;
}

.topic-title span {
  color: var(--muted);
  font-size: 0.78rem;
}

.topic-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.topic-tags span {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  padding: 0 7px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 850;
}

.topic-actions {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
}

.topic-panel-wide .topic-item {
  grid-template-columns: auto minmax(0, 1fr) minmax(260px, 0.36fr);
  align-items: center;
}

.topic-panel-wide .topic-actions {
  grid-column: auto;
}

.level-select {
  min-height: 34px;
  font-size: 0.84rem;
}

.history-item {
  display: grid;
  gap: 6px;
  padding: 11px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
}

.history-item strong {
  line-height: 1.35;
}

.history-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--muted);
  font-size: 0.78rem;
}

.history-note {
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.4;
}

.data-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.diagnostics-panel {
  display: grid;
  gap: 14px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
}

.diagnostics-panel[aria-busy="true"] {
  opacity: 0.82;
}

.diagnostic-status {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 30px;
  padding: 5px 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 850;
  white-space: normal;
  text-align: center;
}

.diagnostic-status-ok {
  background: var(--primary-soft);
  color: var(--primary-strong);
}

.diagnostic-status-limited {
  background: var(--warning-soft);
  color: var(--warning-text);
}

.diagnostic-status-attention {
  background: var(--danger-soft);
  color: var(--danger);
}

.diagnostic-description,
.diagnostic-loading-status,
.diagnostic-action-status,
.diagnostic-last-checked {
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.45;
}

.diagnostic-loading-status,
.diagnostic-action-status {
  min-height: 1.3em;
}

.diagnostics-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.diagnostics-sections {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.diagnostics-sections > section {
  display: grid;
  gap: 8px;
  min-width: 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.diagnostics-sections h4,
.diagnostic-errors h4 {
  margin: 0;
  font-size: 0.88rem;
}

.diagnostic-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
}

.diagnostic-grid > div {
  display: grid;
  gap: 3px;
  min-width: 0;
  padding: 9px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.diagnostic-grid strong {
  overflow-wrap: anywhere;
  font-size: 0.9rem;
}

.diagnostic-grid span {
  color: var(--muted);
  font-size: 0.76rem;
}

.diagnostic-errors {
  display: grid;
  gap: 8px;
  padding: 12px;
  border: 1px solid rgba(168, 108, 25, 0.35);
  border-radius: var(--radius);
  background: var(--warning-soft);
}

.diagnostic-errors > ul,
.diagnostic-errors ul ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-left: 20px;
}

.diagnostic-errors li {
  line-height: 1.45;
}

.diagnostic-errors li > ul {
  margin-top: 5px;
}

.diagnostic-recommendation {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
}

.diagnostic-last-checked time {
  color: var(--ink);
  font-weight: 750;
}

.diagnostic-report-panel {
  display: grid;
  gap: 12px;
  margin-top: 14px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
}

.diagnostic-report-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.diagnostic-report-status,
.diagnostic-report-preview-label {
  min-height: 1.3em;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.45;
}

.diagnostic-report-preview {
  max-height: 34rem;
  overflow: auto;
  margin: 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  font: 0.78rem/1.55 ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.data-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.data-actions .button {
  width: 100%;
}

.import-preview-panel {
  display: grid;
  gap: 14px;
  padding: 16px;
  border-color: var(--primary);
  background: var(--surface-strong);
}

.import-preview-panel[aria-busy="true"] {
  opacity: 0.8;
}

.preview-kind-label {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  text-align: right;
}

.import-preview-status {
  margin: 0;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  font-weight: 750;
}

.import-preview-status.valid {
  border-color: rgba(34, 125, 91, 0.4);
  background: var(--primary-soft);
  color: var(--primary-strong);
}

.import-preview-status.blocked,
.import-preview-warning.error {
  border-color: rgba(163, 58, 58, 0.4);
  background: var(--danger-soft, rgba(163, 58, 58, 0.08));
  color: var(--danger);
}

.import-preview-status.warning {
  border-color: rgba(168, 108, 25, 0.4);
  background: var(--warning-soft);
  color: var(--ink);
}

.import-preview-status.loading {
  border-color: rgba(45, 105, 145, 0.4);
  background: rgba(45, 105, 145, 0.08);
  color: var(--ink);
}

.import-preview-meta,
.import-preview-counts,
.import-preview-comparison {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.import-preview-meta > div,
.import-preview-counts > div,
.import-preview-comparison > div {
  display: grid;
  gap: 2px;
  min-width: 0;
  padding: 9px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.import-preview-meta strong,
.import-preview-counts strong,
.import-preview-comparison strong {
  overflow-wrap: anywhere;
  font-size: 0.92rem;
}

.import-preview-meta span,
.import-preview-counts span,
.import-preview-comparison span {
  color: var(--muted);
  font-size: 0.76rem;
}

.import-preview-section {
  display: grid;
  gap: 8px;
}

.import-preview-section h4 {
  margin: 0;
  font-size: 0.92rem;
}

.import-preview-list,
.import-preview-warnings {
  display: grid;
  gap: 6px;
  margin: 0;
  padding-left: 20px;
}

.import-preview-list li,
.import-preview-warning {
  overflow-wrap: anywhere;
  color: var(--ink);
  font-size: 0.82rem;
}

.import-preview-warning {
  padding: 8px 10px;
  border-left: 3px solid var(--primary);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: var(--surface);
  list-style: none;
}

.import-preview-warning.warning {
  border-left-color: var(--warning);
}

.import-preview-warning.error {
  border-left-color: var(--danger);
}

.import-preview-warning.info {
  border-left-color: var(--primary);
}

.import-preview-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding-top: 4px;
  border-top: 1px solid var(--line);
}

.data-list div {
  display: grid;
  gap: 2px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
}

.data-list strong {
  font-size: 1rem;
}

.data-list span {
  color: var(--muted);
  font-size: 0.76rem;
}

.danger-button {
  border-color: rgba(163, 58, 58, 0.35) !important;
  color: var(--danger) !important;
}

.weekly-plan-list,
.mini-history-list {
  display: grid;
  gap: 8px;
}

.weekly-plan-item,
.mini-history-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 9px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
  color: var(--ink);
  text-align: left;
}

.weekly-plan-item > span {
  display: inline-grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--blue-soft);
  color: var(--blue);
  font-weight: 900;
}

.weekly-plan-item div,
.mini-history-item {
  min-width: 0;
}

.weekly-plan-item strong,
.mini-history-item strong {
  font-size: 0.88rem;
}

.weekly-plan-item small,
.mini-history-item small,
.edit-meta-line {
  color: var(--muted);
  font-size: 0.78rem;
}

.topic-history-mini {
  display: grid;
  gap: 10px;
}

.mini-history-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

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

.edit-tag {
  cursor: pointer;
}

.edit-tag input {
  width: 16px;
  height: 16px;
  min-height: 16px;
  accent-color: var(--primary);
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 8px;
  border-radius: 999px;
  background: var(--blue-soft);
  color: var(--blue);
  font-weight: 800;
}

.hidden {
  display: none !important;
}

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 20;
  max-width: min(420px, calc(100vw - 36px));
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 12px 12px 14px;
  border-left: 5px solid var(--blue);
  border-radius: var(--radius);
  background: var(--inverse-background);
  color: var(--inverse-ink);
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition:
    opacity 0.18s ease,
    transform 0.18s ease;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.toast.success {
  border-left-color: #5dc3a8;
}

.toast.warning {
  border-left-color: #f1b04d;
}

.toast.error {
  border-left-color: #ef7777;
}

.toast-close {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: var(--radius);
  background: transparent;
  color: #fff;
  font-size: 1.15rem;
}

@media (max-width: 1100px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .view-layout[data-active-view="progress"] .sidebar {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 820px) {
  .quick-start-panel,
  .welcome-panel {
    grid-template-columns: 1fr;
  }

  .quick-start-actions,
  .welcome-actions {
    grid-column: auto;
  }

  .mode-switch,
  .selector-grid,
  .session-grid,
  .dossier-grid,
  .detail-grid,
  .help-grid,
  .filters-wide,
  .advanced-filters,
  .dossier-meta-grid,
  .attachment-viewer-layout {
    grid-template-columns: 1fr;
  }

  .daily-review-form {
    grid-template-columns: 1fr;
  }

  .analytics-split,
  .risk-topic-list {
    grid-template-columns: 1fr;
  }

  .simulation-timeline {
    grid-template-columns: 1fr;
  }

  .simulation-report-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .topic-panel-wide .topic-item {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .topic-panel-wide .topic-actions {
    grid-column: 1 / -1;
  }

  .topic-panel-wide .topic-list {
    height: 62vh;
    max-height: 560px;
  }
}

@media (max-width: 720px) {
  body {
    padding-bottom: 76px;
  }

  .task-nav {
    position: fixed;
    top: auto;
    right: 0;
    bottom: 0;
    left: 0;
    padding: 7px 8px calc(7px + env(safe-area-inset-bottom));
    border-top: 1px solid var(--line);
    border-bottom: 0;
    background: var(--nav-mobile-background);
  }

  .task-nav-inner {
    gap: 3px;
  }

  .task-nav-button {
    min-height: 50px;
    padding: 4px;
    font-size: 0.72rem;
    line-height: 1.15;
  }

  .task-nav-button.active,
  .task-nav-button[aria-current="page"] {
    border-color: rgba(23, 107, 93, 0.25);
    background: var(--primary-soft);
    color: var(--primary-strong);
  }

  .toast {
    bottom: calc(86px + env(safe-area-inset-bottom));
    z-index: 40;
  }

  .topbar-brand {
    width: 100%;
    align-items: center;
  }

  .brand-logo {
    width: 48px;
    height: 48px;
    border-radius: 12px;
  }

  .topbar,
  .creator-banner,
  .draw-panel,
  .selection-meta,
  .session-head,
  .practice-footer,
  .progress-header,
  .panel-title-row,
  .block-title {
    align-items: stretch;
    flex-direction: column;
  }

  .simulation-guide-head {
    align-items: stretch;
    flex-direction: column;
  }

  .simulation-guide-head > span {
    align-self: start;
  }

  .weekly-decision-head,
  .analytics-block-title {
    align-items: stretch;
    flex-direction: column;
  }

  .weekly-pace {
    max-width: none;
    text-align: left;
  }

  .topbar-actions,
  .draw-actions,
  .practice-actions,
  .dossier-actions,
  .preview-head,
  .viewer-actions {
    width: 100%;
  }

  .theme-control {
    flex: 1 1 100%;
    justify-content: space-between;
  }

  .connection-status {
    justify-content: center;
  }

  .app-notice {
    align-items: stretch;
    flex-direction: column;
  }

  .update-notice {
    top: 0;
  }

  .preview-head,
  .viewer-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
    padding-block: 8px;
    white-space: normal;
  }

  .field-grid,
  .checklist,
  .segmented,
  .metrics,
  .quick-start-metrics,
  .diagnostics-sections,
  .diagnostic-grid,
  .import-preview-meta,
  .import-preview-counts,
  .import-preview-comparison,
  .transfer-selection-grid {
    grid-template-columns: 1fr;
  }

  .import-preview-actions {
    align-items: stretch;
    flex-direction: column-reverse;
  }

  .quick-start-actions .button {
    width: 100%;
  }

  .review-center-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .review-center-actions,
  .review-item-actions {
    justify-content: stretch;
  }

  .analytics-summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .analytics-bar-row,
  .level-chart-row {
    grid-template-columns: minmax(90px, 0.9fr) minmax(90px, 1.1fr) 28px;
  }

  .rubric-chart .analytics-bar-row {
    grid-template-columns: minmax(0, 1fr) 32px 48px;
  }

  .rubric-chart .analytics-bar-row > span:first-child {
    grid-column: 1 / -1;
  }

  .topic-trend-item {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .topic-load-more {
    align-items: stretch;
    flex-direction: column;
  }

  .weekly-goal-form {
    grid-template-columns: 1fr;
  }

  .simulation-phase-field {
    grid-template-columns: 1fr;
  }

  .draw-card {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .draw-card .button {
    grid-column: 1 / -1;
  }

  .timer-box {
    justify-items: start;
  }

  .timer-controls {
    flex-wrap: wrap;
  }

  .rubric-item {
    grid-template-columns: 82px minmax(0, 1fr) 24px;
  }

  .attachment-item,
  .topic-actions,
  .weekly-plan-item,
  .mini-history-item,
  .data-actions,
  .detail-list div {
    grid-template-columns: 1fr;
  }

  .pdf-preview {
    height: 68vh;
    min-height: 560px;
  }
}

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

  .button:hover,
  .icon-button:hover,
  .mode-button:hover,
  .segment:hover,
  .text-button:hover,
  .insight-item:hover {
    transform: none;
  }
}