:root {
  --bg: #0e1116;
  --bg-2: #151922;
  --paper: #171c26;
  --ink: #e8eaed;
  --muted: #9aa3b2;
  --line: #2a3140;
  --navy: #0b0e13;
  --navy-2: #151a24;
  --gold: #d4b46a;
  --gold-2: #e8c547;
  --ok: #7dcea0;
  --ok-bg: #1e3a2a;
  --maybe: #e8c547;
  --maybe-bg: #3a3218;
  --ng: #e07a6a;
  --ng-bg: #3a1e1c;
  --heat-0: #252830;
  --heat-1: #3d3420;
  --heat-2: #6b5420;
  --heat-3: #b8892e;
  --heat-4: #e8c547;
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
  --radius: 20px;
  --sidebar-expanded: 228px;
  --sidebar-collapsed: 64px;
  --sidebar: var(--sidebar-expanded);
  --sidebar-duration: 220ms;
  --sidebar-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --mobile-nav-clearance: 118px;
  --nav-icon-size: 20px;
  --nav-icon-box: 22px;
  --control-radius: 12px;
  --font: "Noto Sans JP", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic UI", "Yu Gothic", sans-serif;
  --scrollbar-size: 8px;
  --scrollbar-size-compact: 5px;
  --scrollbar-track: transparent;
  --scrollbar-thumb: #3a4354;
  --scrollbar-thumb-hover: #556070;
  --page-exit-duration: 110ms;
  --page-enter-duration: 240ms;
  --page-ease: cubic-bezier(0.22, 1, 0.36, 1);
  color-scheme: dark;
}

@media (prefers-color-scheme: light) {
  :root {
    --scrollbar-thumb: rgba(20, 26, 36, 0.32);
    --scrollbar-thumb-hover: rgba(20, 26, 36, 0.48);
  }
}

* {
  box-sizing: border-box;
}

html,
body,
#root,
#app {
  min-height: 100%;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font);
  background:
    radial-gradient(1100px 480px at 8% -8%, #243018 0%, transparent 55%),
    radial-gradient(900px 420px at 100% 0%, #1a2430 0%, transparent 50%),
    var(--bg);
}

html {
  scrollbar-gutter: stable;
}

html,
.review-plan-scroll,
.modal-back,
.dropdown-menu,
.activity,
.filters {
  scrollbar-width: thin;
  scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
}

html::-webkit-scrollbar,
.review-plan-scroll::-webkit-scrollbar,
.modal-back::-webkit-scrollbar,
.dropdown-menu::-webkit-scrollbar,
.activity::-webkit-scrollbar,
.filters::-webkit-scrollbar {
  width: var(--scrollbar-size);
  height: var(--scrollbar-size);
}

html::-webkit-scrollbar-track,
.review-plan-scroll::-webkit-scrollbar-track,
.modal-back::-webkit-scrollbar-track,
.dropdown-menu::-webkit-scrollbar-track,
.activity::-webkit-scrollbar-track,
.filters::-webkit-scrollbar-track {
  background: var(--scrollbar-track);
}

html::-webkit-scrollbar-thumb,
.review-plan-scroll::-webkit-scrollbar-thumb,
.modal-back::-webkit-scrollbar-thumb,
.dropdown-menu::-webkit-scrollbar-thumb,
.activity::-webkit-scrollbar-thumb,
.filters::-webkit-scrollbar-thumb {
  background-color: var(--scrollbar-thumb);
  border: 2px solid transparent;
  border-radius: 999px;
  background-clip: padding-box;
}

html::-webkit-scrollbar-thumb:hover,
.review-plan-scroll::-webkit-scrollbar-thumb:hover,
.modal-back::-webkit-scrollbar-thumb:hover,
.dropdown-menu::-webkit-scrollbar-thumb:hover,
.activity::-webkit-scrollbar-thumb:hover,
.filters::-webkit-scrollbar-thumb:hover {
  background-color: var(--scrollbar-thumb-hover);
}

.dropdown-menu::-webkit-scrollbar {
  width: var(--scrollbar-size-compact);
  height: var(--scrollbar-size-compact);
}

@media (hover: none) and (pointer: coarse) {
  html,
  .review-plan-scroll,
  .modal-back,
  .dropdown-menu,
  .activity,
  .filters {
    scrollbar-width: auto;
    scrollbar-color: auto;
  }
}

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

button {
  cursor: pointer;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font);
  font-weight: 800;
  letter-spacing: 0.02em;
}

.app-shell {
  display: grid;
  grid-template-columns: var(--sidebar) minmax(0, 1fr);
  min-height: 100vh;
  transition: grid-template-columns var(--sidebar-duration) var(--sidebar-ease);
}

.app-shell.is-sidebar-collapsed {
  --sidebar: var(--sidebar-collapsed);
}

.sidebar {
  background: var(--navy);
  color: #f7f1e4;
  padding: 28px 18px 18px;
  display: flex;
  flex-direction: column;
  gap: 28px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-x: hidden;
  transition: padding var(--sidebar-duration) var(--sidebar-ease);
}

.sidebar-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
}

.sidebar-toggle {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border: 0;
  border-radius: 10px;
  color: #d7dde6;
  background: rgba(255, 255, 255, 0.04);
  transition: background var(--sidebar-duration) var(--sidebar-ease), color var(--sidebar-duration) var(--sidebar-ease);
}

.sidebar-toggle:hover,
.sidebar-toggle:focus-visible {
  background: rgba(196, 163, 90, 0.16);
  color: #fff;
}

.sidebar-toggle:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.sidebar-toggle-ico {
  display: block;
  width: var(--nav-icon-size);
  height: var(--nav-icon-size);
  transition: transform var(--sidebar-duration) var(--sidebar-ease);
}

.app-shell.is-sidebar-collapsed .sidebar-toggle-ico {
  transform: rotate(180deg);
}

.brand {
  padding: 0 10px;
  min-width: 0;
  flex: 1;
}

.brand-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: block;
  margin-bottom: 14px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35);
  transition:
    width var(--sidebar-duration) var(--sidebar-ease),
    height var(--sidebar-duration) var(--sidebar-ease),
    margin var(--sidebar-duration) var(--sidebar-ease);
}

.brand-kicker {
  margin: 0 0 6px;
  color: var(--gold);
  font-size: 11px;
  letter-spacing: 0.18em;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  opacity: 1;
  max-height: 2em;
  transition:
    opacity var(--sidebar-duration) var(--sidebar-ease),
    max-height var(--sidebar-duration) var(--sidebar-ease);
}

.brand h1 {
  margin: 0;
  font-size: 28px;
  line-height: 1.15;
  white-space: nowrap;
  overflow: hidden;
  opacity: 1;
  max-height: 2.5em;
  transition:
    opacity var(--sidebar-duration) var(--sidebar-ease),
    max-height var(--sidebar-duration) var(--sidebar-ease);
}

.brand p {
  margin: 8px 0 0;
  color: #c9d0da;
  font-size: 12px;
  line-height: 1.6;
}

.nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.nav-btn,
.icon-btn,
.ghost-btn,
.primary-btn,
.result-btn,
.chip,
.book-tab {
  border: 0;
  background: transparent;
}

.nav-btn {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  color: #d7dde6;
  text-align: left;
  padding: 11px 12px;
  border-radius: 12px;
  min-width: 0;
  transition: padding var(--sidebar-duration) var(--sidebar-ease), gap var(--sidebar-duration) var(--sidebar-ease);
}

.nav-btn.active {
  background: rgba(196, 163, 90, 0.2);
  color: #fff;
  box-shadow: inset 3px 0 0 var(--gold-2);
}

.nav-btn:hover,
.nav-btn:focus-visible {
  background: rgba(196, 163, 90, 0.16);
  color: #fff;
}

.nav-btn:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.nav-ico {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--nav-icon-box);
  height: var(--nav-icon-box);
  flex-shrink: 0;
}

.ui-svg {
  display: block;
  width: var(--nav-icon-size);
  height: var(--nav-icon-size);
}

.nav-btn.active .nav-svg {
  color: var(--gold-2);
  stroke: var(--gold-2);
}

.nav-btn .nav-svg {
  transition: color 120ms var(--sidebar-ease), stroke 120ms var(--sidebar-ease);
}

.nav-label {
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  opacity: 1;
  max-width: 12rem;
  transition:
    opacity var(--sidebar-duration) var(--sidebar-ease),
    max-width var(--sidebar-duration) var(--sidebar-ease);
}

.nav-tip {
  position: absolute;
  left: calc(100% + 10px);
  top: 50%;
  transform: translateY(-50%);
  z-index: 200;
  padding: 6px 10px;
  border-radius: 10px;
  background: var(--paper);
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 120ms var(--sidebar-ease), visibility 120ms;
}

.app-shell.is-sidebar-collapsed .nav-btn:hover .nav-tip,
.app-shell.is-sidebar-collapsed .nav-btn:focus-visible .nav-tip,
.app-shell.is-sidebar-collapsed .sidebar-foot:hover .sidebar-foot-tip,
.app-shell.is-sidebar-collapsed .sidebar-foot:focus-within .sidebar-foot-tip {
  opacity: 1;
  visibility: visible;
}

.sidebar-bottom {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
}

.sidebar-related {
  padding: 0 4px;
}

.sidebar-related-title {
  margin: 0 0 4px;
  padding: 0 8px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #9aa3b2;
}

.sidebar-related-note {
  margin: 0 0 8px;
  padding: 0 8px;
  font-size: 11px;
  line-height: 1.45;
  color: #9aa3b2;
}

.related-app-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.related-app-link {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 10px;
  border-radius: var(--control-radius);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  color: #e8eaed;
  text-decoration: none;
  transition:
    border-color 140ms var(--sidebar-ease),
    background 140ms var(--sidebar-ease);
}

.related-app-link:hover,
.related-app-link:focus-visible {
  border-color: rgba(212, 180, 106, 0.4);
  background: rgba(196, 163, 90, 0.12);
  color: #fff;
}

.related-app-link:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.related-app-copy {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.related-app-name {
  font-size: 13px;
  font-weight: 700;
}

.related-app-desc {
  font-size: 11px;
  line-height: 1.45;
  color: #b8c0cc;
}

.related-app-external {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  margin-top: 2px;
  opacity: 0.75;
}

.related-apps-card .related-app-link {
  background: var(--bg-2);
  border-color: var(--line);
  color: var(--ink);
}

.related-apps-card .related-app-desc {
  color: var(--muted);
}

.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;
}

.app-shell.is-sidebar-collapsed .sidebar-related-title,
.app-shell.is-sidebar-collapsed .sidebar-related-note,
.app-shell.is-sidebar-collapsed .related-app-copy {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.app-shell.is-sidebar-collapsed .related-app-link {
  justify-content: center;
  padding: 10px 8px;
}

.sidebar-foot {
  margin-top: 0;
  padding: 12px;
  border-radius: 14px;
  background: var(--navy-2);
  color: #d7dde6;
  font-size: 12px;
  line-height: 1.6;
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  min-width: 0;
}

.sidebar-foot-ico {
  display: block;
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin-top: 1px;
  opacity: 0.9;
}

.sidebar-foot-text {
  min-width: 0;
  opacity: 1;
  max-height: 6em;
  overflow: hidden;
  transition:
    opacity var(--sidebar-duration) var(--sidebar-ease),
    max-height var(--sidebar-duration) var(--sidebar-ease);
}

.sidebar-foot-tip {
  position: absolute;
  left: calc(100% + 10px);
  bottom: 0;
  z-index: 200;
  width: max-content;
  max-width: 220px;
  padding: 8px 10px;
  border-radius: 10px;
  background: var(--paper);
  color: var(--ink);
  font-size: 11px;
  line-height: 1.5;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 120ms var(--sidebar-ease), visibility 120ms;
}

.app-shell.is-sidebar-collapsed .sidebar {
  padding: 20px 10px 16px;
  gap: 18px;
}

.app-shell.is-sidebar-collapsed .sidebar-top {
  flex-direction: column;
  align-items: center;
}

.app-shell.is-sidebar-collapsed .brand {
  padding: 0;
  text-align: center;
}

.app-shell.is-sidebar-collapsed .brand-icon {
  width: 40px;
  height: 40px;
  margin: 0 auto 0;
}

.app-shell.is-sidebar-collapsed .brand-kicker,
.app-shell.is-sidebar-collapsed .brand h1 {
  opacity: 0;
  max-height: 0;
  margin: 0;
}

.app-shell.is-sidebar-collapsed .nav-btn {
  justify-content: center;
  padding: 11px 8px;
  gap: 0;
}

.app-shell.is-sidebar-collapsed .nav-label {
  opacity: 0;
  max-width: 0;
}

.app-shell.is-sidebar-collapsed .sidebar-foot {
  justify-content: center;
  padding: 10px 8px;
}

.app-shell.is-sidebar-collapsed .sidebar-foot-ico {
  display: block;
}

.app-shell.is-sidebar-collapsed .sidebar-foot-text {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
  opacity: 0;
  max-height: 0;
}

.main {
  padding: 28px 32px 120px;
  min-width: 0;
}

.main-stage {
  min-height: 1px;
}

.main-stage.is-page-exit {
  opacity: 0;
  transition: opacity var(--page-exit-duration) var(--page-ease);
  pointer-events: none;
}

.main-stage.is-page-enter-prep {
  opacity: 0;
  transform: translateY(10px);
}

.main-stage.is-page-enter-active {
  opacity: 1;
  transform: translateY(0);
  transition:
    opacity var(--page-enter-duration) var(--page-ease),
    transform var(--page-enter-duration) var(--page-ease);
}

.page-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-end;
  margin-bottom: 22px;
}

.page-head h2 {
  margin: 0;
  font-size: 34px;
}

.page-head p {
  margin: 6px 0 0;
  color: var(--muted);
}

.grid-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 18px;
}

.dash-zones {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 18px;
  align-items: start;
}

.dash-zone-title {
  margin: 0 0 12px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.dash-zone {
  min-width: 0;
  container-type: inline-size;
}

.dash-zone .grid-stats {
  margin-bottom: 14px;
}

.dash-panel-grid {
  margin-top: 0;
}

.dash-subsection {
  margin-top: 18px;
}

.dash-material-card {
  margin-top: 14px;
}

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

.dash-action-btn {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  min-width: 0;
  text-align: left;
  padding: 14px 14px 12px;
  border-radius: var(--control-radius);
  border: 1px solid var(--line);
  background: var(--bg-2);
  color: var(--ink);
  cursor: pointer;
  transition:
    border-color 140ms var(--sidebar-ease),
    background 140ms var(--sidebar-ease),
    transform 140ms var(--sidebar-ease);
}

.dash-action-btn:hover,
.dash-action-btn:focus-visible {
  border-color: rgba(212, 180, 106, 0.45);
  background: rgba(212, 180, 106, 0.08);
}

.dash-action-btn:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.dash-action-btn--accent {
  border-color: rgba(212, 180, 106, 0.35);
  background: rgba(212, 180, 106, 0.1);
}

.dash-action-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
}

.dash-action-value {
  font-size: 28px;
  font-weight: 800;
  line-height: 1.1;
}

.dash-action-value--sm {
  font-size: 18px;
}

.dash-action-unit {
  font-size: 14px;
  font-weight: 700;
  margin-left: 2px;
  color: var(--muted);
}

.dash-action-hint {
  font-size: 11px;
  line-height: 1.4;
}

.dash-actions-card {
  margin-bottom: 14px;
  margin-top: 14px;
}

.dash-recent-card {
  margin-top: 18px;
}

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
}

.stat-card {
  min-width: 0;
}

.stat-card-head {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.stat-card .stat-icon {
  flex: none;
  width: 20px;
  height: 20px;
  color: var(--gold);
  overflow: visible;
}

.stat-card .stat-icon--week {
  width: 40px;
  height: 20px;
}

.stat-card .label {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  min-width: 0;
}

.stat-card .value {
  font-family: var(--font);
  font-weight: 800;
  font-size: 34px;
  margin-top: 8px;
  line-height: 1;
}

.stat-card .hint {
  margin-top: 8px;
  color: var(--muted);
  font-size: 12px;
  overflow-wrap: anywhere;
}

.panel-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.9fr;
  gap: 14px;
  margin-top: 14px;
}

.section-title {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 14px;
}

.section-title h3 {
  margin: 0;
  font-size: 20px;
}

.muted {
  color: var(--muted);
  font-size: 13px;
}

.week-row {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 8px;
}

.week-cell {
  min-width: 0;
  background: #1f2530;
  border-radius: 14px;
  padding: 10px 8px;
  text-align: center;
  overflow: hidden;
}

.week-cell.today {
  outline: 2px solid var(--gold);
}

.week-cell .wd {
  font-size: 11px;
  color: var(--muted);
  font-weight: 700;
}

.week-cell .num {
  font-family: var(--font);
  font-weight: 800;
  font-size: 22px;
  margin: 4px 0;
}

.week-bar {
  height: 6px;
  border-radius: 99px;
  background: #2a3140;
  overflow: hidden;
}

.week-bar > span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, #6b5420, #e8c547);
}

.goal-track {
  height: 10px;
  background: #2a3140;
  border-radius: 99px;
  overflow: hidden;
  margin-top: 10px;
}

.goal-track > span {
  display: block;
  height: 100%;
  background: #3d8f62;
}

.review-card {
  margin-top: 14px;
}

.review-month {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 4px;
  min-width: 0;
}

.review-dow {
  text-align: center;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
}

.review-day {
  min-height: 44px;
  border: 0;
  border-radius: 10px;
  background: var(--heat-0);
  color: inherit;
  font: inherit;
  padding: 4px 2px 6px;
  cursor: pointer;
}

.review-day.out {
  visibility: hidden;
}

.review-day.lv1 { background: var(--heat-1); }
.review-day.lv2 { background: var(--heat-2); }
.review-day.lv3 { background: var(--heat-3); color: #1a1408; }
.review-day.lv4 { background: var(--heat-4); color: #1a1408; }

.review-day.today {
  outline: 2px solid var(--gold);
  outline-offset: -2px;
}

.review-day.selected {
  box-shadow: inset 0 0 0 2px #f4f7fb;
}

.review-day .d,
.review-day .c {
  display: block;
  line-height: 1.15;
}

.review-day .d {
  font-size: 11px;
  font-weight: 700;
}

.review-day .c {
  margin-top: 2px;
  font-size: 14px;
  font-weight: 800;
}

.review-split {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  gap: 12px;
  align-items: stretch;
}

@container (max-width: 640px) {
  .dash-action-grid {
    grid-template-columns: 1fr;
  }

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

@container (max-width: 560px) {
  .dash-zone .grid-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .dash-panel-grid,
  .dash-zone .panel-grid {
    grid-template-columns: 1fr;
  }

  .week-cell {
    padding: 8px 4px;
  }

  .week-cell .num {
    font-size: 18px;
  }

  .week-cell .wd,
  .week-cell .muted {
    font-size: 10px;
  }
}

@container (max-width: 400px) {
  .dash-action-value {
    font-size: 22px;
  }
}

.review-plans {
  display: flex;
  flex-direction: column;
  min-height: 0;
  min-width: 0;
  max-height: 348px;
}

.review-plans .section-title {
  margin-bottom: 8px;
}

.review-plan-scroll {
  overflow-y: auto;
  min-height: 0;
  flex: 1;
  padding-right: 2px;
}

.review-plan {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 6px;
  align-items: stretch;
}

.review-plan .list-item {
  min-width: 0;
  padding: 8px 10px;
}

.review-plan-skip {
  border: 0;
  border-radius: 12px;
  background: #2a3140;
  color: var(--muted);
  font: inherit;
  font-size: 12px;
  font-weight: 700;
  padding: 0 10px;
  cursor: pointer;
}

.review-plan-skip:hover {
  color: var(--text);
  background: #343c4c;
}

.activity {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.activity-months {
  display: flex;
  gap: 3px;
  margin: 0 0 6px 22px;
  font-size: 11px;
  color: var(--muted);
}

.activity-grid {
  display: grid;
  grid-auto-flow: column;
  grid-template-rows: repeat(7, 12px);
  gap: 3px;
}

.activity-cell {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  background: var(--heat-0);
}

.activity-cell.lv1 { background: var(--heat-1); }
.activity-cell.lv2 { background: var(--heat-2); }
.activity-cell.lv3 { background: var(--heat-3); }
.activity-cell.lv4 { background: var(--heat-4); }

.wd-col {
  display: grid;
  grid-template-rows: repeat(7, 12px);
  gap: 3px;
  color: var(--muted);
  font-size: 10px;
  align-items: center;
}

.legend {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--muted);
}

.swatch {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  display: inline-block;
}

.book-progress {
  display: grid;
  gap: 12px;
}

.progress-row {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.6fr) auto;
  gap: 10px;
  align-items: center;
}

.progress-row strong {
  min-width: 0;
  line-height: 1.35;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.progress-bar {
  height: 10px;
  background: #2a3140;
  border-radius: 99px;
  overflow: hidden;
}

.progress-bar > span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, #6b5420, #e8c547);
}

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

.list-item,
.history-item {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  padding: 12px;
  border-radius: 14px;
  background: #1f2530;
  border: 0;
  width: 100%;
  text-align: left;
  color: inherit;
}

.mark {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 800;
  flex: none;
}

.mark.ok { background: var(--ok-bg); color: var(--ok); }
.mark.maybe { background: var(--maybe-bg); color: var(--maybe); }
.mark.ng { background: var(--ng-bg); color: var(--ng); }

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

select,
input[type="text"],
input[type="password"],
input[type="number"],
input[type="datetime-local"],
textarea {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px 12px;
  color: var(--ink);
}

.book-tab,
.chip {
  padding: 8px 12px;
  border-radius: 999px;
  background: #252b36;
  color: var(--ink);
  font-weight: 700;
  font-size: 13px;
}

.book-tab.active,
.chip.active {
  background: var(--gold);
  color: #0e1116;
}

.chapter-block {
  margin-bottom: 22px;
}

.chapter-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 10px;
}

.chapter-head h3 {
  margin: 0;
  font-size: 18px;
}

.section-block {
  margin: 12px 0 18px;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 8px;
}

.section-head h4 {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(7, 42px);
  gap: 6px;
}

.problem-grid.code {
  grid-template-columns: repeat(7, 56px);
}

.problem-cell {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 0;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  position: relative;
  color: #7d8694;
  background: var(--heat-0);
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  padding: 2px 2px 3px;
  overflow: hidden;
}

.cell-body {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  min-width: 0;
}

.cell-no {
  position: relative;
  z-index: 1;
  font-size: 11px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.02em;
}

.problem-cell.cell-digits-2 .cell-no {
  font-size: 10px;
}

.problem-cell.cell-digits-3 .cell-no {
  font-size: 8px;
  letter-spacing: -0.04em;
}

.status-indicator {
  position: absolute;
  left: 5px;
  right: 5px;
  bottom: 2px;
  height: 4px;
  border-radius: 999px;
  pointer-events: none;
}

.status-indicator--ok {
  background: var(--ok);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.35);
}

.status-indicator--ng {
  background: var(--ng);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.35);
}

.status-indicator--maybe {
  background: var(--maybe);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.35);
}

.problem-cell.code {
  width: 56px;
  height: 42px;
  font-size: 10px;
  letter-spacing: -0.02em;
}

.problem-cell.code .cell-no {
  font-size: 10px;
}

.problem-cell.code.cell-digits-2 .cell-no {
  font-size: 9px;
}

.problem-cell.code.cell-digits-3 .cell-no {
  font-size: 7px;
}

.problem-cell.lv1 { background: var(--heat-1); color: #e8d9a8; }
.problem-cell.lv2 { background: var(--heat-2); color: #f6edd0; }
.problem-cell.lv3 { background: var(--heat-3); color: #1a1408; }
.problem-cell.lv4 { background: var(--heat-4); color: #1a1408; }

.problem-cell.result-ok { background: #2f6b48; color: #d9f5e4; }
.problem-cell.result-maybe { background: #6b5420; color: #f6edd0; }
.problem-cell.result-ng { background: #6b322c; color: #f8d4ce; }

.problem-cell.is-mastered {
  background: #3a3424;
  color: #f3e2b0;
  box-shadow: inset 0 0 0 2px var(--gold);
}

.calendar-source-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 13px;
}

.calendar-source-card {
  margin-bottom: 14px;
}

.calendar-source-card-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.calendar-source-title {
  margin: 0 0 6px;
  font-size: 17px;
}

.calendar-source-hint {
  margin: 0;
  font-size: 13px;
  line-height: 1.5;
  max-width: 52ch;
}

.calendar-toolbar .custom-dropdown,
.calendar-toolbar select {
  min-width: min(100%, 220px);
  max-width: 100%;
  flex: 1 1 180px;
}

.calendar-source-dropdown .dropdown-trigger,
.quick-material-dropdown .dropdown-trigger {
  width: 100%;
}

.calendar-source-dropdown .dropdown-label,
.quick-material-dropdown .dropdown-label,
.quick-chapter-dropdown .dropdown-label {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: min(46vw, 320px);
}

.quick-log .custom-dropdown {
  flex: 1 1 200px;
  min-width: min(100%, 148px);
  max-width: 100%;
}

.quick-log-label {
  font-weight: 800;
  flex: 0 0 auto;
  margin-right: 4px;
}

.quick-log-hint {
  flex: 1 1 160px;
  min-width: 0;
}

.calendar-legend {
  flex-wrap: wrap;
  margin-top: 8px;
}

.legend-mastered {
  padding: 1px 6px;
  border-radius: 999px;
  box-shadow: inset 0 0 0 2px var(--gold);
  font-weight: 700;
}

.chapter-index {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.problem-facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 12px;
  margin: 12px 0 0;
}

.problem-facts div {
  margin: 0;
}

.problem-facts dt {
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
}

.problem-facts dd {
  margin: 2px 0 0;
  font-weight: 700;
}

.problem-cell:hover,
.problem-cell:focus-visible {
  transform: translateY(-1px);
  outline: 2px solid var(--gold);
}

.dot {
  position: absolute;
  right: 5px;
  bottom: 5px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.dot.ok { background: var(--ok); }
.dot.maybe { background: var(--maybe); }
.dot.ng { background: var(--ng); }

.quick-log {
  position: sticky;
  bottom: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  background: var(--navy);
  color: #fff;
  padding: 12px;
  border-radius: 18px;
  box-shadow: 0 16px 40px rgba(28, 39, 56, 0.25);
  z-index: 5;
}

.quick-log select,
.quick-log input {
  background: var(--navy-2);
  color: #fff;
  border-color: transparent;
  min-width: 0;
}

.quick-log input {
  width: 108px;
}

.quick-log .muted {
  color: #c5ccd6;
}

.review-segment-block {
  flex: 1 1 220px;
  min-width: min(100%, 240px);
  max-width: 100%;
}

.quick-log .review-segment-block {
  flex-basis: 100%;
}

.review-segment-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 10px;
  margin-bottom: 8px;
}

.review-segment-title {
  font-weight: 800;
  font-size: 13px;
}

.review-segment-mode {
  font-size: 11px;
  line-height: 1.4;
  color: var(--muted);
}

.review-segment-mode.is-manual {
  color: var(--gold-2);
  font-weight: 700;
}

.quick-log .review-segment-mode {
  color: #c5ccd6;
}

.quick-log .review-segment-mode.is-manual {
  color: var(--gold-2);
}

.review-segment-track {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  padding: 4px;
  border-radius: 14px;
  background: var(--bg-2);
  border: 1px solid var(--line);
}

.quick-log .review-segment-track {
  background: var(--navy-2);
  border-color: rgba(255, 255, 255, 0.08);
}

.review-segment-thumb {
  position: absolute;
  top: 4px;
  bottom: 4px;
  left: 4px;
  width: calc(50% - 4px);
  border-radius: 10px;
  background: linear-gradient(180deg, var(--gold-2), var(--gold));
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
  transition: transform 220ms var(--sidebar-ease);
  pointer-events: none;
}

.review-segment.is-on .review-segment-thumb {
  transform: translateX(0);
}

.review-segment:not(.is-on) .review-segment-thumb {
  transform: translateX(100%);
}

.review-segment-btn {
  position: relative;
  z-index: 1;
  min-height: 44px;
  padding: 10px 8px;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: color 160ms ease;
}

.quick-log .review-segment-btn {
  color: #b8c0cc;
}

.review-segment-btn.active {
  color: #1a1408;
}

.quick-log .review-segment-btn.active {
  color: #1a1408;
}

.review-segment-btn:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.review-auto-reset {
  margin-top: 8px;
  font-size: 12px;
  padding: 8px 10px;
  min-height: 40px;
}

.review-segment-detail {
  flex-basis: 100%;
  margin: 8px 0 0;
  font-size: 12px;
  line-height: 1.45;
}

.modal .review-segment-block {
  margin: 0 0 16px;
}

@media (prefers-reduced-motion: reduce) {
  .review-segment-thumb {
    transition: none;
  }
}

.result-btn {
  min-width: 72px;
  border-radius: 12px;
  padding: 10px 12px;
  font-weight: 800;
}

.result-btn.ok { background: var(--ok-bg); color: var(--ok); }
.result-btn.maybe { background: var(--maybe-bg); color: var(--maybe); }
.result-btn.ng { background: var(--ng-bg); color: var(--ng); }
.result-btn.active {
  outline: 2px solid var(--ink);
}

.primary-btn,
.ghost-btn {
  border-radius: var(--control-radius);
  padding: 10px 14px;
  font-weight: 700;
}

.primary-btn {
  background: var(--gold);
  color: var(--navy);
}

.ghost-btn {
  background: #252b36;
  color: var(--ink);
}

.danger-btn {
  background: var(--ng-bg);
  color: var(--ng);
  border: 0;
  border-radius: var(--control-radius);
  padding: 10px 14px;
  font-weight: 700;
}

.modal-back {
  position: fixed;
  inset: 0;
  background: rgba(8, 10, 14, 0.72);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  overflow: auto;
  padding: 16px 12px calc(16px + env(safe-area-inset-bottom, 0px));
  z-index: 120;
}

.modal {
  width: min(520px, 100%);
  margin-block: auto;
  background: var(--paper);
  border-radius: 24px;
  padding: 22px;
  box-shadow: var(--shadow);
}

.modal.modal--material {
  width: min(640px, 100%);
}

.modal h3 {
  margin: 0 0 4px;
  font-size: 26px;
}

.attempt-mini {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
}

.attempt-mini .row-actions {
  flex: none;
}

.empty {
  padding: 28px 8px;
  color: var(--muted);
  text-align: center;
  line-height: 1.7;
}

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

.history-day {
  margin: 18px 0 8px;
  font-weight: 800;
}

.settings-grid {
  display: grid;
  gap: 14px;
  max-width: 720px;
}

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

.auth-form {
  display: grid;
  gap: 10px;
  max-width: 320px;
  margin-top: 12px;
}

.auth-form label {
  display: grid;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
}

.sync-line {
  margin: 8px 0 0;
  font-size: 13px;
  font-weight: 700;
}

.sync-line.ok { color: var(--ok); }
.sync-line.warn { color: var(--gold); }
.sync-line.err { color: var(--ng); }

.turnstile-slot {
  margin: 12px 0 4px;
  min-height: 65px;
}

.rc-summary {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}

.rc-summary .progress-bar {
  flex: 1;
}

.rc-count {
  font-weight: 700;
  white-space: nowrap;
}

.rc-count strong {
  font-size: 24px;
}

.rc-groups {
  display: grid;
  gap: 14px;
}

.rc-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 12px;
  padding: 10px 0;
  border-top: 1px solid var(--line);
}

.rc-item.done .rc-text {
  opacity: 0.7;
}

.rc-text {
  flex: 1 1 180px;
  min-width: 0;
}

.rc-text .muted {
  font-size: 12px;
  margin-top: 2px;
}

.rc-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: none;
}

.rc-btn {
  min-width: 48px;
  min-height: 44px;
  font-size: 18px;
}

.rc-open {
  padding: 8px 10px;
  font-size: 13px;
}

.tag {
  display: inline-block;
  margin: 0 6px;
  padding: 1px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  vertical-align: middle;
  background: #252b36;
  color: var(--muted);
}

.tag.first {
  background: rgba(212, 180, 106, 0.18);
  color: var(--gold);
}

.mobile-nav {
  display: none;
}

@media (max-width: 980px) {
  html {
    scroll-padding-bottom: calc(var(--mobile-nav-clearance) + env(safe-area-inset-bottom, 0px) + 12px);
  }

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

  .sidebar {
    display: none;
  }

  .app-shell.is-sidebar-collapsed {
    --sidebar: var(--sidebar-expanded);
  }

  .app-shell {
    transition: none;
  }

  .main {
    padding: 20px 16px calc(var(--mobile-nav-clearance) + env(safe-area-inset-bottom, 0px) + 28px);
  }

  .list-item,
  .rc-item,
  .mat-row,
  .problem-cell,
  .book-tab,
  .chip {
    scroll-margin-bottom: calc(var(--mobile-nav-clearance) + env(safe-area-inset-bottom, 0px) + 16px);
  }

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

  .panel-grid,
  .dash-panel-grid {
    grid-template-columns: 1fr;
  }

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

  .page-head {
    flex-wrap: wrap;
    align-items: flex-start;
  }

  .problem-grid,
  .problem-grid.code {
    grid-template-columns: repeat(auto-fill, minmax(52px, 1fr));
  }

  .problem-cell,
  .problem-cell.code {
    width: 100%;
    min-width: 0;
    height: 52px;
  }

  .calendar-toolbar,
  .calendar-toolbar select,
  .calendar-toolbar .custom-dropdown,
  .chapter-index,
  .problem-facts {
    max-width: 100%;
  }

  .calendar-page p {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .filters {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .calendar-toolbar {
    flex-wrap: wrap;
    overflow: visible;
  }

  .calendar-source-label,
  .problem-facts {
    width: 100%;
  }

  .problem-facts {
    grid-template-columns: 1fr;
  }

  .dash-zones {
    grid-template-columns: 1fr;
  }

  .dash-zone--actions {
    order: -1;
  }

  .dash-action-grid {
    grid-template-columns: 1fr;
  }

  .mobile-nav {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    position: fixed;
    left: 12px;
    right: 12px;
    bottom: max(12px, env(safe-area-inset-bottom, 0px));
    background: var(--navy);
    color: #fff;
    border-radius: 18px;
    padding: 8px 8px calc(8px + env(safe-area-inset-bottom, 0px));
    z-index: 100;
    box-shadow: var(--shadow);
  }

  .mobile-nav-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    min-width: 0;
    color: #d7dde6;
    border: 0;
    background: transparent;
    border-radius: var(--control-radius);
    padding: 8px 2px;
    font-size: 10px;
    font-weight: 700;
    cursor: pointer;
  }

  .mobile-nav-label {
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .mobile-nav-btn:hover,
  .mobile-nav-btn:focus-visible {
    background: rgba(196, 163, 90, 0.12);
    color: #fff;
  }

  .mobile-nav-btn:focus-visible {
    outline: 2px solid var(--gold);
    outline-offset: 1px;
  }

  .mobile-nav-btn.active {
    background: rgba(196, 163, 90, 0.18);
    color: #fff;
  }

  .mobile-nav-btn.active .nav-svg {
    color: var(--gold-2);
    stroke: var(--gold-2);
  }

  .quick-log {
    bottom: calc(var(--mobile-nav-clearance) + env(safe-area-inset-bottom, 0px));
    z-index: 90;
  }

  .rc-groups {
    padding-bottom: 8px;
  }

  .mat-editor {
    margin-bottom: calc(var(--mobile-nav-clearance) + env(safe-area-inset-bottom, 0px));
  }

  .mat-editor .row-actions {
    scroll-margin-bottom: calc(var(--mobile-nav-clearance) + env(safe-area-inset-bottom, 0px) + 24px);
    padding-bottom: 8px;
  }

  .row-actions {
    scroll-margin-bottom: calc(var(--mobile-nav-clearance) + env(safe-area-inset-bottom, 0px) + 28px);
    margin-bottom: 12px;
  }

  .main .card button.primary-btn,
  .main .card button.ghost-btn,
  .main .card button.danger-btn {
    scroll-margin-bottom: calc(var(--mobile-nav-clearance) + env(safe-area-inset-bottom, 0px) + 28px);
  }
}

.mat-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.mat-row:last-child {
  border-bottom: 0;
}

.mat-editor {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.mat-editor label {
  display: block;
  margin-bottom: 12px;
  font-weight: 600;
}

.mat-editor input[type="text"],
.mat-editor textarea {
  display: block;
  width: 100%;
  margin-top: 6px;
  font-weight: 400;
}

.mat-editor textarea {
  min-height: 120px;
  font-family: inherit;
}

.mat-field {
  display: block;
  margin-bottom: 12px;
  font-weight: 600;
}

.mat-field span {
  display: block;
  margin-bottom: 6px;
}

.mat-field input[type="text"] {
  display: block;
  width: 100%;
  font-weight: 400;
}

.mat-field-name {
  margin-bottom: 16px;
}

.mat-chapter-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.mat-chapter-toolbar h4 {
  margin: 0;
  font-size: 15px;
}

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

.mat-chapter-row {
  padding: 14px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: var(--bg-2);
}

.mat-chapter-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}

.mat-chapter-no {
  font-size: 13px;
  font-weight: 800;
  color: var(--gold);
}

.mat-chapter-actions {
  display: flex;
  gap: 4px;
}

.mat-chapter-actions .icon-btn {
  min-width: 36px;
  min-height: 36px;
  padding: 0;
}

.mat-chapter-actions .danger-ghost {
  color: var(--ng);
}

.mat-preview-card {
  margin-top: 16px;
  padding: 14px;
  border-radius: 16px;
  border: 1px dashed var(--line);
  background: var(--paper);
}

.mat-preview-card h4 {
  margin: 0 0 10px;
  font-size: 14px;
}

.mat-preview-summary {
  margin: 0 0 10px;
}

.mat-preview-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.mat-preview-table th,
.mat-preview-table td {
  border-bottom: 1px solid var(--line);
  padding: 8px 6px;
  text-align: left;
  vertical-align: top;
}

.mat-preview-table th:last-child,
.mat-preview-table td:last-child {
  text-align: right;
  white-space: nowrap;
}

.mat-preview-sample {
  margin: 10px 0 0;
  font-size: 12px;
  line-height: 1.5;
  word-break: break-word;
}

.mat-editor-actions {
  margin-top: 16px;
}

.tag.mastered {
  background: rgba(90, 140, 90, 0.2);
  color: #3d6b3d;
}

.rc-item.mastered {
  opacity: 0.92;
}

.dash-sections {
  margin-top: 12px;
}

.dash-book {
  margin-bottom: 10px;
}

.dash-book summary {
  cursor: pointer;
  padding: 8px 0;
}

.dash-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  margin: 8px 0 16px;
}

.dash-table th,
.dash-table td {
  border-bottom: 1px solid var(--line);
  padding: 6px 8px;
  text-align: right;
}

.dash-table th:first-child,
.dash-table td:first-child {
  text-align: left;
}

@media (max-width: 720px) {
  .grid-stats,
  .panel-grid,
  .week-row {
    grid-template-columns: 1fr;
  }

  .page-head h2 {
    font-size: 28px;
  }

  .mat-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .mat-chapter-toolbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .mat-preview-table {
    font-size: 12px;
  }

  .mat-preview-table th:nth-child(3),
  .mat-preview-table td:nth-child(3) {
    max-width: 120px;
    word-break: break-all;
  }
}

.calendar-filters .custom-dropdown {
  flex: 1 1 180px;
  min-width: min(100%, 200px);
  max-width: 100%;
}

.chapter-dropdown {
  min-width: min(100%, 240px);
}

.custom-dropdown {
  position: relative;
  min-width: 160px;
}

.dropdown-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  min-height: 42px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--paper);
  color: var(--ink);
  font: inherit;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.dropdown-trigger:hover {
  border-color: #3a4354;
  background: #1c2230;
}

.custom-dropdown.open .dropdown-trigger {
  border-color: var(--gold);
  box-shadow: 0 0 0 1px rgba(212, 180, 106, 0.35);
}

.dropdown-label {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-align: left;
}

.dropdown-arrow {
  display: flex;
  flex: none;
  color: var(--muted);
  transition: transform 180ms ease, color 180ms ease;
}

.custom-dropdown.open .dropdown-arrow {
  transform: rotate(180deg);
  color: var(--gold);
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  z-index: 120;
  margin: 0;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg-2);
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  pointer-events: none;
  transition:
    opacity 180ms ease,
    transform 180ms ease,
    visibility 180ms;
}

.custom-dropdown.dropdown-flip .dropdown-menu {
  top: auto;
  bottom: calc(100% + 6px);
  transform: translateY(6px);
}

.custom-dropdown.open .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.custom-dropdown.open.dropdown-flip .dropdown-menu {
  transform: translateY(0);
}

.dropdown-option {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  width: 100%;
  scroll-margin-block: 6px;
  padding: 10px 10px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.35;
  text-align: left;
  cursor: pointer;
  transition: background 160ms ease;
}

.dropdown-check {
  flex: none;
  width: 1.1em;
  color: var(--gold);
  font-weight: 800;
  opacity: 0;
}

.dropdown-option.is-selected .dropdown-check {
  opacity: 1;
}

.dropdown-option-label {
  flex: 1;
  min-width: 0;
  word-break: break-word;
}

.dropdown-option:hover,
.dropdown-option:focus-visible {
  background: #252b36;
}

.dropdown-option.is-selected {
  background: rgba(212, 180, 106, 0.12);
}

.dropdown-trigger:focus-visible,
.dropdown-option:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.feedback-card .feedback-privacy {
  margin: 12px 0 8px;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
}

.feedback-cats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0 10px;
}

.feedback-cat-btn {
  flex: 1 1 auto;
  min-width: 0;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  font-weight: 600;
  cursor: pointer;
}

.feedback-cat-btn.active {
  border-color: var(--gold);
  box-shadow: inset 0 0 0 1px var(--gold);
}

.feedback-textarea {
  width: 100%;
  margin: 6px 0 4px;
  resize: vertical;
  min-height: 120px;
}

.feedback-counter {
  text-align: right;
  font-size: 0.85rem;
}

.feedback-status {
  margin: 12px 0 0;
  font-weight: 600;
}

.feedback-status.is-pending {
  color: var(--muted);
}

.feedback-status.is-ok {
  color: #7dcea0;
}

.feedback-status.is-err {
  color: #f1948a;
}

@media (max-width: 640px) {
  .feedback-cat-btn {
    flex: 1 1 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .dropdown-menu,
  .dropdown-trigger,
  .dropdown-arrow {
    transition: none;
  }

  .main-stage.is-page-exit,
  .main-stage.is-page-enter-prep,
  .main-stage.is-page-enter-active {
    transition: none;
    transform: none;
    opacity: 1;
    pointer-events: auto;
  }

  .app-shell,
  .sidebar,
  .brand-icon,
  .brand-kicker,
  .brand h1,
  .nav-btn,
  .nav-label,
  .sidebar-foot-text,
  .sidebar-toggle,
  .sidebar-toggle-ico,
  .nav-btn .nav-svg,
  .dash-action-btn {
    transition: none;
  }
}