:root {
  color-scheme: light;
  --bg: #f7f8f4;
  --panel: #ffffff;
  --ink: #1f2d2b;
  --muted: #68756e;
  --line: #dde4da;
  --line-strong: #c4d0c4;
  --green: #2f7d59;
  --green-dark: #255f45;
  --teal: #20858d;
  --gold: #f6c85f;
  --coral: #e46f5d;
  --blue: #466bb0;
  --soft-green: #eaf4ed;
  --soft-gold: #fff5d8;
  --shadow: 0 12px 32px rgba(31, 45, 43, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  min-height: 100%;
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family:
    "Yu Gothic UI",
    "Yu Gothic",
    "Hiragino Kaku Gothic ProN",
    Meiryo,
    system-ui,
    sans-serif;
  letter-spacing: 0;
}

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

button {
  cursor: pointer;
}

.app-shell {
  display: grid;
  grid-template-columns: 272px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  display: flex;
  flex-direction: column;
  gap: 24px;
  height: 100vh;
  padding: 24px 18px;
  border-right: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(14px);
}

.brand {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
}

.brand-mark {
  width: 52px;
  height: 52px;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.community-name,
.page-kicker,
.panel-heading p {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
}

.brand h1,
.topbar h2,
.panel-heading h3,
.toolbar h3 {
  margin: 0;
  line-height: 1.25;
}

.brand h1 {
  font-size: 22px;
}

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

.nav-button,
.ghost-button,
.primary-button,
.chip {
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--ink);
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    background 160ms ease,
    color 160ms ease;
}

.nav-button {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 8px;
  align-items: center;
  width: 100%;
  padding: 8px 10px;
  text-align: left;
}

.nav-button:hover,
.ghost-button:hover,
.chip:hover {
  transform: translateY(-1px);
  border-color: var(--line-strong);
}

.nav-button.is-active,
.chip.is-active {
  border-color: var(--green);
  background: var(--soft-green);
  color: var(--green-dark);
}

.nav-symbol {
  display: inline-grid;
  place-items: center;
  width: 30px;
  aspect-ratio: 1;
  border-radius: 8px;
  background: #eef1ea;
  color: var(--green-dark);
  font-weight: 700;
}

.exam-panel {
  margin-top: auto;
  display: grid;
  gap: 4px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft-gold);
}

.exam-panel span,
.exam-panel small {
  color: var(--muted);
}

.exam-panel strong {
  color: var(--green-dark);
  font-size: 36px;
  line-height: 1;
}

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

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.topbar h2 {
  font-size: 28px;
}

.topbar-actions,
.form-actions,
.toolbar,
.ranking-tabs,
.stacked-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.sync-panel {
  display: flex;
  flex: 1 1 360px;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  justify-content: flex-end;
  min-width: min(100%, 320px);
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
}

.sync-panel span {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
}

.sync-panel[data-sync-state="synced"] span {
  color: var(--green-dark);
}

.sync-panel[data-sync-state="error"] {
  border-color: rgba(228, 111, 93, 0.42);
  background: #fff3ee;
}

.sync-panel[data-sync-state="error"] span {
  color: #9f3b2d;
}

.compact-link {
  min-height: 32px;
  padding: 6px 10px;
  font-size: 12px;
  text-decoration: none;
}

.primary-button,
.ghost-button,
.chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 14px;
  white-space: nowrap;
}

.primary-button {
  border-color: var(--green);
  background: var(--green);
  color: white;
  font-weight: 700;
}

.primary-button:hover {
  transform: translateY(-1px);
  background: var(--green-dark);
}

.danger-button {
  border-color: rgba(228, 111, 93, 0.42);
  background: #fff3ee;
  color: #9f3b2d;
}

.primary-button.danger-button {
  border-color: var(--coral);
  background: var(--coral);
  color: white;
}

.primary-button.danger-button:hover {
  background: #c45142;
}

.ghost-button.square {
  width: 42px;
  padding: 0;
  font-size: 24px;
}

.view {
  display: none;
}

.view.is-active {
  display: block;
}

body.is-access-gated .view {
  display: none !important;
}

.access-gate {
  display: grid;
  min-height: calc(100vh - 150px);
  place-items: center;
}

.access-gate-panel {
  display: grid;
  gap: 16px;
  width: min(100%, 520px);
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.access-gate-panel h3,
.access-gate-panel p {
  margin: 0;
}

.access-gate-panel h3 {
  font-size: 24px;
  line-height: 1.25;
}

.access-gate-panel p:not(.page-kicker):not(.panel-note) {
  color: var(--muted);
  line-height: 1.7;
}

.invite-form,
.invite-admin-form {
  display: grid;
  gap: 12px;
}

.invite-form .primary-button,
.invite-admin-form .primary-button {
  justify-self: start;
}

.today-layout {
  display: grid;
  grid-template-columns: minmax(320px, 430px) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  min-width: 0;
}

.tool-panel,
.wide-panel {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.tool-panel {
  padding: 18px;
}

.wide-panel {
  grid-column: 1 / -1;
  padding: 18px;
}

.panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

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

.daily-form {
  display: grid;
  gap: 16px;
}

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

.field {
  display: grid;
  gap: 6px;
}

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

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcf9;
  color: var(--ink);
  padding: 10px 12px;
}

.field textarea {
  resize: vertical;
}

.duration-input {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
}

.unit-input {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
}

.duration-input span {
  font-size: 13px;
}

.unit-input span {
  white-space: nowrap;
  font-size: 13px;
}

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

.calculated-strip div,
.metric-card {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcf9;
}

.calculated-strip div {
  padding: 10px;
}

.calculated-strip span,
.metric-card span {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.calculated-strip strong,
.metric-card strong {
  display: block;
  margin-top: 4px;
  overflow-wrap: anywhere;
  font-size: 18px;
}

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

.metric-card {
  min-height: 102px;
  padding: 14px;
}

.metric-card strong {
  color: var(--green-dark);
  font-size: 26px;
  line-height: 1.1;
}

.metric-card em {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 12px;
  font-style: normal;
}

.bar-chart {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(54px, 1fr);
  align-items: end;
  gap: 8px;
  min-height: 180px;
  max-width: 100%;
  padding: 8px 2px 6px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.bar-chart.tall {
  min-height: 260px;
}

.bar-item {
  display: grid;
  grid-template-rows: minmax(120px, 1fr) 18px 34px;
  gap: 6px;
  min-width: 54px;
}

.bar-chart.tall .bar-item {
  grid-template-rows: minmax(190px, 1fr) 18px 36px;
}

.bar-track {
  display: flex;
  align-items: end;
  height: 100%;
  border-radius: 8px;
  background: #eef1ea;
  overflow: hidden;
}

.bar-fill {
  width: 100%;
  min-height: 3px;
  border-radius: 8px 8px 0 0;
  background: var(--teal);
}

.bar-item:nth-child(4n + 2) .bar-fill {
  background: var(--green);
}

.bar-item:nth-child(4n + 3) .bar-fill {
  background: var(--gold);
}

.bar-item:nth-child(4n + 4) .bar-fill {
  background: var(--blue);
}

.bar-label,
.bar-value {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  text-align: center;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.3;
  word-break: keep-all;
}

.bar-value {
  white-space: nowrap;
}

.bar-label {
  align-items: flex-start;
}

.toolbar {
  justify-content: center;
  margin-bottom: 16px;
}

.calendar-weekdays,
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 8px;
}

.calendar-weekdays {
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}

.calendar-day {
  display: grid;
  gap: 6px;
  min-height: 118px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.calendar-day.is-empty {
  background: transparent;
  border-color: transparent;
}

.calendar-day.is-selected {
  border-color: var(--green);
  box-shadow: inset 0 0 0 1px var(--green);
}

.day-number {
  font-weight: 700;
}

.day-detail {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

.achievement-pill {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  max-width: 100%;
  min-height: 24px;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--soft-green);
  color: var(--green-dark);
  font-size: 12px;
}

.achievement-select {
  font-weight: 700;
}

.achievement-pill.achievement-goal,
.achievement-select.achievement-goal,
option.achievement-goal {
  border-color: #8bcce7;
  background: #d9f4ff;
  color: #145a72;
}

.achievement-pill.achievement-effort,
.achievement-select.achievement-effort,
option.achievement-effort {
  border-color: #b6d86c;
  background: #ecf8c9;
  color: #4d6416;
}

.achievement-pill.achievement-low,
.achievement-select.achievement-low,
option.achievement-low {
  border-color: #efa15b;
  background: #ffe0bf;
  color: #823d0d;
}

.achievement-pill.achievement-unavoidable,
.achievement-select.achievement-unavoidable,
option.achievement-unavoidable {
  border-color: #dfc34a;
  background: #fff1a6;
  color: #665405;
}

.achievement-pill.achievement-unavoidable {
  line-height: 1.35;
  overflow-wrap: anywhere;
  text-align: center;
  white-space: normal;
}

.progress-layout {
  display: grid;
  gap: 18px;
}

.progress-mode-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.progress-mode-tabs .chip {
  flex: 0 1 auto;
}

.progress-mode-panel {
  display: grid;
  gap: 18px;
}

.today-plan-panel {
  order: -1;
}

.plan-list {
  display: grid;
  gap: 0;
}

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

.plan-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  min-width: 0;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.plan-list.compact .plan-row {
  padding: 0;
  border-top: 0;
}

.plan-row:first-child {
  padding-top: 0;
  border-top: 0;
}

.plan-row-main {
  min-width: 0;
}

.task-labels,
.plan-meta,
.task-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
  min-width: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  padding: 2px 8px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--soft-green);
  color: var(--green-dark);
  font-weight: 700;
}

.plan-row h4,
.progress-task-card h3 {
  margin: 8px 0 4px;
  overflow-wrap: anywhere;
}

.plan-row h4 {
  font-size: 17px;
}

.progress-task-card h3 {
  font-size: 18px;
}

.plan-row p,
.progress-task-card p,
.empty-text {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.empty-action {
  display: grid;
  justify-items: start;
  gap: 10px;
  padding: 4px 0;
}

.progress-rail {
  height: 8px;
  margin: 12px 0 8px;
  border-radius: 999px;
  background: #eef1ea;
  overflow: hidden;
}

.progress-rail span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--teal), var(--green));
}

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

.task-action-menu {
  position: relative;
}

.task-action-menu summary {
  list-style: none;
  cursor: pointer;
}

.task-action-menu summary::-webkit-details-marker {
  display: none;
}

.task-action-menu[open] summary {
  border-color: var(--line-strong);
  background: #f3f5f0;
}

.task-action-menu[open] button {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  z-index: 3;
  min-width: 144px;
  box-shadow: var(--shadow);
}

.compact-square {
  width: 36px;
  min-height: 36px;
  font-size: 18px;
}

.progress-entry-form {
  display: grid;
  gap: 16px;
}

.progress-preview {
  margin: 0;
  padding: 12px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--soft-green);
  color: var(--green-dark);
  font-weight: 700;
  line-height: 1.5;
}

.compact-toolbar {
  justify-content: flex-end;
  margin: 0;
}

.compact-toolbar span {
  min-width: 110px;
  text-align: center;
  font-weight: 700;
}

.progress-calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 8px;
}

.progress-day {
  display: grid;
  align-content: start;
  gap: 8px;
  min-height: 74px;
  padding: 9px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcf9;
  color: var(--ink);
  text-align: left;
}

.progress-day.is-empty {
  background: transparent;
  border-color: transparent;
}

.progress-day.is-selected {
  border-color: var(--green);
  box-shadow: inset 0 0 0 1px var(--green);
}

.progress-day.has-entry {
  background: #f3f5f0;
}

.progress-day.has-progress {
  border-color: var(--line-strong);
  background: var(--soft-green);
}

.progress-day span {
  font-weight: 700;
}

.progress-day strong {
  display: inline-flex;
  width: fit-content;
  min-height: 22px;
  padding: 2px 7px;
  border-radius: 999px;
  background: var(--green);
  color: white;
  font-size: 11px;
}

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

.progress-task-card {
  min-width: 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.stacked-overview-panel {
  display: grid;
  gap: 16px;
}

.task-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  min-width: 0;
}

.task-card-top > div {
  min-width: 0;
}

.task-card-top strong {
  flex: 0 0 auto;
  color: var(--green-dark);
  font-size: 28px;
  line-height: 1;
}

.task-card-top strong span {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
}

.task-facts {
  margin-bottom: 14px;
}

.progress-rail.mini {
  height: 6px;
  margin: 8px 0 6px;
}

.subtask-list {
  display: grid;
  gap: 0;
  margin: 12px 0 16px;
  border-top: 1px solid var(--line);
}

.subtask-row {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.subtask-status {
  display: grid;
  place-items: center;
  width: 28px;
  min-height: 28px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: #f6f8f2;
  color: var(--muted);
  font-weight: 800;
  line-height: 1;
}

.subtask-row.is-active .subtask-status {
  border-color: var(--green);
  background: var(--green);
  color: white;
}

.subtask-row.is-completed .subtask-status {
  border-color: var(--teal);
  background: var(--soft-green);
  color: var(--green-dark);
}

.subtask-row.is-paused .subtask-status {
  background: #f3f5f0;
}

.subtask-main {
  min-width: 0;
}

.subtask-title-line {
  display: flex;
  gap: 10px;
  align-items: baseline;
  justify-content: space-between;
  min-width: 0;
}

.subtask-title-line h4 {
  margin: 0;
  overflow-wrap: anywhere;
  font-size: 15px;
}

.subtask-title-line strong {
  flex: 0 0 auto;
  color: var(--green-dark);
  font-size: 15px;
}

.subtask-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 5px 10px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
}

.plan-editor form {
  display: grid;
  gap: 16px;
}

.subtask-editor-heading {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
}

.subtask-editor-heading p,
.subtask-editor-heading h4 {
  margin: 0;
}

.subtask-editor-heading p {
  color: var(--muted);
  font-size: 13px;
}

.subtask-editor-heading h4 {
  margin-top: 2px;
  font-size: 16px;
}

.subtask-editor-list {
  display: grid;
  gap: 12px;
}

.subtask-editor-row {
  display: grid;
  gap: 12px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.subtask-editor-top {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
}

.subtask-editor-top strong {
  color: var(--green-dark);
}

.subtask-editor-grid {
  grid-template-columns: minmax(180px, 1.4fr) repeat(3, minmax(92px, 0.75fr)) minmax(140px, 1fr) minmax(110px, 0.8fr);
}

.completed-major-list {
  display: grid;
  gap: 12px;
}

.stacked-major-card {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcf9;
}

.stacked-major-card summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  padding: 16px;
  cursor: pointer;
  list-style: none;
}

.stacked-major-card summary::-webkit-details-marker {
  display: none;
}

.stacked-major-main {
  min-width: 0;
}

.stacked-major-main h3 {
  margin: 8px 0 4px;
  overflow-wrap: anywhere;
  font-size: 17px;
}

.stacked-major-main p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.stacked-major-card summary > strong {
  color: var(--green-dark);
  font-size: 24px;
}

.stacked-roadmap {
  margin: 0 16px 16px;
}

.stacked-card-facts {
  margin: 0 16px 12px;
}

.stacked-card-actions {
  margin: 0 16px 16px;
}

.stacked-major-card.is-discontinued {
  background: #fffdf5;
}

.stacked-major-card.is-deleted {
  border-color: rgba(228, 111, 93, 0.32);
  background: #fff8f5;
}

.completion-celebration {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 20;
  display: grid;
  gap: 12px;
  width: min(360px, calc(100vw - 28px));
  padding: 18px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 22px 60px rgba(29, 47, 43, 0.22);
}

.completion-celebration > .square {
  position: absolute;
  top: 10px;
  right: 10px;
}

.completion-celebration p,
.completion-celebration h3 {
  margin: 0;
}

.completion-celebration p {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.completion-celebration h3 {
  padding-right: 44px;
  color: var(--green-dark);
  font-size: 22px;
  line-height: 1.25;
}

.completion-celebration strong {
  color: var(--ink);
  font-size: 15px;
}

.completion-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.completion-facts span {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--soft-green);
  color: var(--green-dark);
  font-size: 12px;
  font-weight: 700;
}

.plan-change-list {
  display: grid;
  gap: 0;
}

.change-row {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
}

.change-row:first-child {
  padding-top: 0;
  border-top: 0;
}

.change-row time {
  color: var(--muted);
  font-size: 12px;
}

.change-row span {
  min-width: 0;
  overflow-wrap: anywhere;
  line-height: 1.5;
}

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

.analysis-grid,
.settings-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 18px;
  min-width: 0;
}

.admin-layout {
  display: grid;
  grid-template-columns: minmax(320px, 0.9fr) minmax(0, 1.1fr);
  gap: 18px;
  align-items: start;
}

.admin-layout .tool-panel:last-child {
  grid-column: 1 / -1;
}

.compact-metrics {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 14px;
}

.admin-user-list,
.admin-audit-list,
.invite-code-list {
  display: grid;
  gap: 8px;
}

.admin-user-row,
.admin-audit-row,
.invite-code-row {
  display: grid;
  gap: 4px;
  width: 100%;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcf9;
  color: var(--ink);
  text-align: left;
}

.admin-user-row:hover {
  border-color: var(--green);
  transform: translateY(-1px);
}

.admin-user-row strong,
.admin-audit-row strong,
.invite-code-row strong {
  overflow-wrap: anywhere;
}

.admin-user-row span,
.admin-audit-row span,
.admin-detail p,
.invite-code-row span {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

.invite-code-output {
  display: grid;
  gap: 8px;
  margin: 14px 0;
  padding: 12px;
  border: 1px solid rgba(47, 125, 89, 0.26);
  border-radius: 8px;
  background: var(--soft-green);
}

.invite-code-output code {
  display: block;
  padding: 10px;
  border-radius: 8px;
  background: #ffffff;
  color: var(--green-dark);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

.invite-code-row {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
}

.list-more-button {
  justify-self: start;
  margin-top: 12px;
}

.invite-code-row.is-disabled {
  opacity: 0.62;
}

.admin-detail {
  display: grid;
  gap: 12px;
  min-height: 180px;
}

.admin-detail pre {
  max-height: 420px;
  margin: 0;
  overflow: auto;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f5f7f2;
  color: var(--ink);
  font-size: 12px;
  line-height: 1.55;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.analytics-metrics {
  margin-bottom: 18px;
}

.ranking-tabs {
  margin: 18px 0;
}

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

.leader-row {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.leader-rank {
  display: grid;
  place-items: center;
  width: 38px;
  aspect-ratio: 1;
  border-radius: 8px;
  background: var(--soft-gold);
  color: #7a5a0a;
  font-weight: 700;
}

.leader-name {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin: 0 0 4px;
  font-weight: 700;
}

.leader-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  color: var(--muted);
  font-size: 13px;
}

.leader-score {
  color: var(--green-dark);
  font-size: 22px;
  font-weight: 700;
  text-align: right;
}

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

.toggle-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

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

.toggle-row strong {
  display: block;
}

.toggle-copy span {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 12px;
}

.switch {
  position: relative;
  width: 48px;
  height: 28px;
}

.switch input {
  position: absolute;
  opacity: 0;
}

.switch-track {
  position: absolute;
  inset: 0;
  border-radius: 999px;
  background: #d5ddd2;
}

.switch-track::after {
  content: "";
  position: absolute;
  top: 4px;
  left: 4px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: white;
  box-shadow: 0 2px 6px rgba(31, 45, 43, 0.18);
  transition: transform 160ms ease;
}

.switch input:checked + .switch-track {
  background: var(--green);
}

.switch input:checked + .switch-track::after {
  transform: translateX(20px);
}

.stacked-actions {
  align-items: stretch;
  flex-direction: column;
}

.stacked-actions button {
  justify-content: flex-start;
}

.toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 20;
  max-width: min(360px, calc(100vw - 40px));
  padding: 12px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--ink);
  color: white;
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition:
    opacity 160ms ease,
    transform 160ms ease;
}

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

.action-dialog {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(31, 45, 43, 0.36);
}

.action-dialog.is-hidden {
  display: none;
}

.action-dialog-panel {
  display: grid;
  gap: 14px;
  width: min(100%, 520px);
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 20px 60px rgba(31, 45, 43, 0.22);
}

.action-dialog-panel h3,
.action-dialog-panel p {
  margin: 0;
}

.action-dialog-panel p:not(.page-kicker) {
  color: var(--muted);
  line-height: 1.7;
}

@media (max-width: 1080px) {
  .metric-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .plan-list.compact,
  .progress-task-list {
    grid-template-columns: 1fr;
  }

  .today-layout,
  .analysis-grid,
  .settings-grid,
  .admin-layout {
    grid-template-columns: 1fr;
  }

  .admin-layout .tool-panel:last-child {
    grid-column: auto;
  }

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

@media (max-width: 860px) {
  .app-shell {
    display: block;
  }

  .sidebar {
    position: fixed;
    inset: auto 0 0;
    z-index: 10;
    display: block;
    height: auto;
    padding: 8px;
    border-top: 1px solid var(--line);
    border-right: 0;
  }

  .brand,
  .exam-panel {
    display: none;
  }

  .nav-list {
    grid-template-columns: repeat(auto-fit, minmax(48px, 1fr));
    gap: 4px;
  }

  .nav-button {
    grid-template-columns: 1fr;
    justify-items: center;
    gap: 4px;
    min-height: 58px;
    padding: 6px 2px;
    text-align: center;
    font-size: 10px;
  }

  .nav-button span:last-child {
    white-space: nowrap;
  }

  .nav-symbol {
    width: 25px;
    font-size: 12px;
  }

  .main-content {
    padding: 18px 14px 92px;
  }

  .access-gate {
    min-height: calc(100vh - 210px);
    place-items: start stretch;
  }

  .access-gate-panel {
    padding: 18px;
  }

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

  .topbar h2 {
    font-size: 24px;
  }

  .topbar-actions {
    width: 100%;
  }

  .topbar-actions > button {
    flex: 1 1 140px;
  }

  .sync-panel {
    justify-content: flex-start;
    width: 100%;
  }

  .progress-mode-tabs .chip {
    flex: 1 1 140px;
  }
}

@media (max-width: 620px) {
  .form-grid,
  .metric-grid,
  .compact-metrics,
  .calculated-strip {
    grid-template-columns: 1fr;
  }

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

  .calendar-weekdays,
  .calendar-grid {
    gap: 4px;
  }

  .calendar-day {
    min-height: 92px;
    padding: 7px;
  }

  .progress-calendar-grid {
    gap: 4px;
  }

  .progress-day {
    min-height: 58px;
    padding: 7px 4px;
    text-align: center;
  }

  .progress-day strong {
    justify-self: center;
    min-height: 20px;
    padding: 2px 5px;
    font-size: 10px;
  }

  .plan-row {
    grid-template-columns: 1fr;
  }

  .plan-actions {
    justify-content: flex-start;
  }

  .task-action-menu[open] button {
    right: auto;
    left: 0;
  }

  .task-card-top {
    align-items: flex-start;
    flex-direction: column;
  }

  .subtask-editor-heading,
  .subtask-editor-top,
  .subtask-title-line {
    align-items: flex-start;
    flex-direction: column;
  }

  .subtask-editor-grid {
    grid-template-columns: 1fr;
  }

  .stacked-major-card summary {
    grid-template-columns: 1fr;
  }

  .stacked-major-card summary > strong {
    font-size: 20px;
  }

  .completion-celebration {
    right: 14px;
    bottom: 102px;
  }

  .compact-toolbar {
    width: 100%;
    justify-content: flex-start;
  }

  .day-detail,
  .achievement-pill {
    font-size: 11px;
  }

  .calendar-day .achievement-pill.achievement-unavoidable {
    padding-inline: 5px;
    font-size: 10px;
  }

  .leader-row {
    grid-template-columns: 38px minmax(0, 1fr);
  }

  .leader-score {
    grid-column: 2;
    text-align: left;
  }

  .bar-chart {
    grid-auto-columns: 58px;
  }

  .bar-chart.tall {
    grid-auto-columns: 74px;
    min-height: 240px;
  }

  .bar-chart.tall .bar-item {
    grid-template-rows: minmax(166px, 1fr) 18px 30px;
  }

  .bar-value,
  .bar-label {
    font-size: 11px;
  }
}