:root {
  --ink: #24272d;
  --muted: #737982;
  --paper: #f7f8fa;
  --surface: #fff;
  --line: #e8ebef;
  --sidebar: #292e36;
  --accent: #0866e6;
  --accent-strong: #0553c1;
  --work: #a96229;
  --work-soft: #fff2e6;
  --software: #2264c6;
  --software-soft: #eaf2ff;
  --english: #218369;
  --english-soft: #e7f5ee;
  --danger: #ba3d41;
  --shadow: 0 24px 80px #202c4226, 0 4px 16px #202c4212;
}
body {
  background: #fff;
  min-width: 0;
}
html.chat-fullscreen {
  overflow: hidden;
}
button,
a,
input,
select,
textarea {
  -webkit-tap-highlight-color: transparent;
}
button,
a {
  touch-action: manipulation;
}
button {
  transition:
    background 160ms,
    color 160ms,
    box-shadow 160ms,
    border-color 160ms,
    transform 120ms;
}
button:active:not(:disabled) {
  transform: translateY(1px) scale(0.97);
}
button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid #0866e645;
  outline-offset: 3px;
}
svg {
  width: 19px;
  height: 19px;
  flex-shrink: 0;
  stroke-width: 1.7;
}
h1 {
  font-size: 28px;
  line-height: 1.45;
  font-weight: 650;
}
h2 {
  font-size: 17px;
  line-height: 1.5;
  font-weight: 650;
}
h3 {
  font-size: 15px;
  line-height: 1.6;
}
.app-shell {
  grid-template-columns: 224px minmax(0, 1fr);
  min-height: 100dvh;
}
.sidebar {
  position: sticky;
  top: 0;
  height: 100dvh;
  gap: 0;
  padding: 36px 18px 22px;
  background: #f7f8fa;
  border-right: 1px solid var(--line);
  color: var(--ink);
}
.brand {
  gap: 11px;
  padding: 0 9px;
}
.brand-mark {
  background: var(--accent);
  color: #fff;
}
.brand strong {
  font-size: 18px;
}
.brand small {
  margin-top: 5px;
  color: var(--muted);
  font-size: 10px;
}
.nav-caption {
  margin: 49px 13px 15px;
  color: #858b94;
  font-size: 11px;
}
.main-nav {
  gap: 7px;
}
.nav-item {
  gap: 12px;
  min-width: 0;
  min-height: 45px;
  padding: 0 13px;
  border: 1px solid transparent;
  color: #656c77;
  font-size: 13px;
}
.nav-item:hover {
  background: #eceff4;
  color: var(--ink);
}
.nav-item.is-active {
  background: #e9f0fd;
  color: var(--accent);
  font-weight: 600;
  box-shadow: none;
}
.nav-count {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  margin-left: auto;
  background: #fff;
  border-radius: 4px;
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}
.nav-item .nav-end {
  margin-left: auto;
  width: 14px;
}
.ai-nav {
  margin-top: 17px;
}
.ai-nav[aria-expanded="true"] {
  color: var(--accent);
  background: #e9f0fd;
}
.sidebar-bottom {
  margin-top: auto;
}
.workspace-label {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 17px 4px;
  border-top: 1px solid var(--line);
}
.profile-mark {
  display: grid;
  place-items: center;
  width: 33px;
  height: 33px;
  background: #e9ecef;
  border-radius: 50%;
  font-size: 11px;
  font-weight: 650;
}
.workspace-label strong,
.workspace-label small {
  display: block;
  font-size: 11px;
}
.workspace-label small {
  margin-top: 4px;
  color: var(--muted);
  font-size: 10px;
}
.workspace-label > svg {
  width: 14px;
  color: var(--muted);
  margin-left: auto;
}
.sidebar-status {
  gap: 7px;
  padding-left: 47px;
  color: var(--muted);
  font-size: 10px;
}
.status-dot {
  width: 5px;
  height: 5px;
  background: #37a078;
  box-shadow: none;
}
.main-content {
  width: min(1280px, 100%);
  min-width: 0;
  padding: 0 44px 96px;
}
.workspace-bar {
  height: 76px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  border-bottom: 1px solid var(--line);
  font-size: 11px;
  color: var(--muted);
}
.workspace-bar strong {
  color: #515761;
  font-weight: 500;
}
.breadcrumb-divider {
  color: #c5cad1;
  padding: 0 12px;
}
.workspace-date {
  display: flex;
  align-items: center;
  gap: 8px;
}
.workspace-date svg {
  width: 15px;
}
.topbar {
  padding: 39px 0 33px;
  margin-bottom: 0;
}
.eyebrow {
  margin: 0 0 8px;
  font-size: 10px;
  font-weight: 600;
  color: var(--accent);
}
.view-subtitle {
  margin: 9px 0 0;
  color: var(--muted);
  font-size: 13px;
}
.primary-button,
.secondary-button,
.icon-button {
  gap: 7px;
  min-height: 40px;
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
}
.primary-button {
  box-shadow: 0 2px 3px #0866e61c;
}
.primary-button:hover:not(:disabled) {
  box-shadow: 0 4px 12px #0866e62b;
  transform: translateY(-1px);
}
.primary-button:active:not(:disabled) {
  transform: translateY(1px) scale(0.97);
  box-shadow: inset 0 2px 4px #00296330;
}
.secondary-button:hover {
  background: var(--paper);
}
.icon-button {
  width: 36px;
  min-width: 36px;
  min-height: 36px;
}
.icon-button:hover {
  background: #edf1f6;
  color: var(--accent);
}
.summary-grid {
  padding: 26px 0;
  background: #f9fafc;
  border: 0;
  border-block: 1px solid var(--line);
  border-radius: 0;
}
.summary-item {
  padding: 0 28px;
}
.summary-item + .summary-item {
  border-color: #e4e8ef;
}
.summary-item > span {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #656c77;
  font-size: 12px;
  font-weight: 400;
  margin: 0;
}
.metric-icon {
  width: 16px;
  height: 16px;
}
.blue {
  color: var(--accent);
}
.green {
  color: var(--english);
}
.orange {
  color: var(--work);
}
.summary-item > strong {
  margin-top: 19px;
  font-size: 34px;
  font-weight: 600;
}
.summary-item strong em {
  color: #949ba5;
  font-size: 12px;
  font-weight: 400;
}
.summary-item small {
  margin-top: 12px;
  color: #858c97;
  font-size: 10px;
}
.progress-section {
  padding: 23px 0 29px;
  border-bottom: 1px solid var(--line);
}
.progress-section h2 {
  color: #676f7b;
  font-size: 11px;
  font-weight: 500;
}
.progress-value {
  font-size: 12px;
  font-weight: 600;
}
.progress-track {
  height: 5px;
  margin-top: 11px;
  border-radius: 3px;
  background: #eef1f5;
}
.progress-track span {
  border-radius: inherit;
  transition: width 350ms ease;
}
.dashboard-columns {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 216px;
  gap: 30px;
  padding-top: 29px;
}
.task-section {
  min-width: 0;
  padding-top: 0;
  margin-top: 0;
  border-top: 0;
}
.task-heading {
  flex-wrap: wrap;
  margin-bottom: 19px;
  align-items: center;
}
.segmented-control {
  padding: 3px;
  border: 0;
  border-radius: 6px;
  background: #f3f5f8;
}
.segmented-control button {
  min-height: 29px;
  min-width: 40px;
  padding: 0 9px;
  font-size: 11px;
}
.segmented-control button:hover {
  color: var(--ink);
}
.segmented-control button.is-selected {
  background: #fff;
  box-shadow: 0 1px 4px #202c4215;
  color: var(--accent);
  font-weight: 600;
}
.task-list {
  margin-top: 0;
}
.task-item {
  grid-template-columns: 20px minmax(0, 1fr) auto;
  align-items: start;
  column-gap: 12px;
  row-gap: 9px;
  padding: 19px 5px;
  transition: background 160ms;
}
.task-item:hover {
  background: #fafbfd;
}
.task-check {
  appearance: auto;
  width: 17px;
  height: 17px;
  min-height: 0;
  margin: 3px 0;
  padding: 0;
  accent-color: var(--accent);
  cursor: pointer;
}
.task-copy {
  min-width: 0;
}
.task-copy strong {
  font-size: 13px;
  font-weight: 550;
  line-height: 1.7;
}
.task-copy p {
  margin: 5px 0 0;
  color: #89909b;
  font-size: 11px;
  line-height: 1.7;
}
.is-completed strong {
  color: #939ba7;
  text-decoration: line-through;
}
.task-meta {
  grid-column: 2;
  grid-row: 2;
  gap: 12px;
  color: #9299a3;
  font-size: 10px;
}
.category-tag {
  padding: 3px 7px;
  font-size: 10px;
  font-weight: 500;
}
.task-actions {
  grid-column: 3;
  grid-row: 1 / span 2;
  align-self: center;
}
.task-actions .icon-button {
  min-width: 30px;
  width: 30px;
  min-height: 34px;
}
.task-actions svg {
  width: 15px;
}
.delete-button:hover,
.record-delete:hover {
  background: #fdf0f0;
  color: var(--danger);
}
.add-task-inline {
  display: flex;
  gap: 8px;
  align-items: center;
  width: 100%;
  min-height: 47px;
  margin-top: 12px;
  padding: 0 6px;
  border: 0;
  background: transparent;
  color: #85909e;
  font-size: 12px;
  text-align: left;
}
.add-task-inline:hover {
  color: var(--accent);
  background: #f7faff;
}
.add-task-inline svg {
  width: 16px;
}
.insights {
  padding-left: 24px;
  border-left: 1px solid var(--line);
}
.insights h2 {
  font-size: 13px;
}
.insights .section-heading > svg {
  width: 16px;
  color: #9da6b2;
}
.week-total {
  display: flex;
  align-items: baseline;
  gap: 7px;
  margin: 24px 0 20px;
}
.week-total strong {
  font-size: 26px;
  font-weight: 550;
}
.week-total span {
  font-size: 10px;
  color: var(--muted);
}
.week-chart {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 9px;
  height: 100px;
}
.chart-day {
  display: flex;
  align-items: center;
  flex-direction: column;
  justify-content: end;
  gap: 10px;
  min-width: 0;
}
.chart-day .bar-track {
  height: 68px;
  width: 100%;
  display: flex;
  align-items: end;
  background: #f4f6fa;
  border-radius: 3px;
}
.chart-day .bar-fill {
  display: block;
  width: 100%;
  background: #92b9f5;
  border-radius: 3px;
  min-height: 3px;
}
.chart-day.is-today .bar-fill {
  background: var(--accent);
}
.chart-day span:last-child {
  color: #8a929e;
  font-size: 9px;
}
.chart-day.is-today span:last-child {
  color: var(--accent);
}
.next-step {
  margin-top: 29px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}
.section-kicker {
  margin: 0 0 8px;
  color: #89919d;
  font-size: 10px;
}
.next-step h3 {
  font-size: 12px;
  font-weight: 550;
}
.next-step > p:not(.section-kicker) {
  font-size: 10px;
  color: var(--muted);
}
.text-button {
  display: flex;
  align-items: center;
  gap: 6px;
  min-height: 38px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--accent);
  font-size: 11px;
}
.text-button svg {
  width: 14px;
}
.text-button:hover {
  color: var(--accent-strong);
}
.empty-state {
  padding: 42px 12px;
}
.empty-state svg {
  color: #a8b4c5;
}
.empty-state p {
  font-size: 12px;
  line-height: 1.8;
}
.view.is-active {
  animation: view-in 220ms ease-out;
}
@keyframes view-in {
  from {
    opacity: 0.3;
    transform: translateY(5px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
.page-intro {
  max-width: none;
  padding-bottom: 30px;
}
.page-intro p:not(.section-kicker) {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.8;
}
.learning-intro {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  align-items: center;
}
.learning-intro img {
  width: 240px;
  max-width: 35%;
  height: 140px;
  object-fit: cover;
  border-radius: 6px;
}
.plan-item time,
.lane-heading p {
  font-size: 10px;
}
.plan-item strong {
  font-size: 13px;
  line-height: 1.7;
}
.plan-item p {
  font-size: 11px;
  line-height: 1.7;
}
.records-layout {
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 40px;
}
.record-editor {
  padding-right: 35px;
}
label {
  gap: 8px;
  color: #606873;
  font-size: 12px;
  font-weight: 500;
}
input,
select,
textarea {
  border-color: #dfe4eb;
  font-size: 13px;
}
input::placeholder,
textarea::placeholder {
  color: #9aa1ac;
}
.record-count {
  font-size: 11px;
}
.record-item time {
  font-size: 10px;
}
.record-item h3 {
  font-size: 13px;
}
.record-item p {
  font-size: 12px;
  line-height: 1.8;
}
.task-dialog {
  width: min(500px, calc(100% - 28px));
  max-height: calc(100dvh - 32px);
  border: 1px solid var(--line);
}
.task-dialog::backdrop {
  background: #15243f55;
}
.task-dialog[open] {
  animation: view-in 180ms ease;
}
.toast {
  left: 50%;
  right: auto;
  bottom: 26px;
  z-index: 90;
  max-width: calc(100% - 32px);
  padding: 12px 18px;
  font-size: 12px;
  transform: translate(-50%, 8px);
  box-shadow: 0 4px 20px #202c421f;
}
.toast.is-visible {
  transform: translate(-50%, 0);
}
.chat-launcher {
  position: fixed;
  right: 28px;
  bottom: 24px;
  z-index: 40;
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border: 1px solid #fff5;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  box-shadow: 0 6px 22px #0866e640;
}
.chat-launcher svg {
  width: 24px;
  height: 24px;
}
.chat-launcher:hover {
  background: var(--accent-strong);
  transform: translateY(-3px);
  box-shadow: 0 9px 26px #0866e64d;
}
.chat-launcher[aria-expanded="true"] {
  background: #fff;
  color: var(--accent);
  border-color: var(--line);
  box-shadow: 0 4px 16px #202c4220;
}
.unread-dot {
  position: absolute;
  top: 1px;
  right: 1px;
  width: 11px;
  height: 11px;
  border: 2px solid #fff;
  border-radius: 50%;
  background: #e78340;
}
.ai-window {
  position: fixed;
  right: 28px;
  bottom: 92px;
  z-index: 50;
  display: flex;
  flex-direction: column;
  width: min(420px, calc(100vw - 32px));
  height: min(610px, calc(100dvh - 116px));
  border: 1px solid #e1e7f0;
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
  overflow: hidden;
  transform-origin: bottom right;
  animation: chat-in 210ms ease-out;
}
@keyframes chat-in {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.97);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
.ai-window.is-expanded {
  width: min(760px, calc(100vw - 64px));
  height: min(820px, calc(100dvh - 116px));
}
.ai-toolbar {
  flex-direction: row;
  align-items: center;
  gap: 8px;
  padding: 16px;
  border-bottom: 1px solid var(--line);
}
.ai-identity {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}
.assistant-mark {
  display: grid;
  place-items: center;
  width: 33px;
  height: 33px;
  border-radius: 6px;
  background: #eaf2ff;
  color: var(--accent);
}
.ai-identity h2 {
  font-size: 14px;
}
.ai-identity p {
  font-size: 10px;
  margin: 3px 0 0;
  color: var(--muted);
}
.ai-toolbar-actions {
  gap: 1px;
}
.ai-toolbar-actions .icon-button {
  min-width: 30px;
  width: 30px;
  min-height: 32px;
}
.ai-toolbar-actions svg {
  width: 16px;
}
.model-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 17px;
  background: #fafbfd;
  border-bottom: 1px solid var(--line);
}
.model-row select {
  width: 108px;
  min-height: 29px;
  padding: 0 6px;
  font-size: 11px;
}
.model-note {
  margin: 0;
  color: #8a929e;
  font-size: 10px;
  line-height: 1.5;
}
.chat-panel {
  display: flex;
  flex: 1;
  min-height: 0;
  height: auto;
  flex-direction: column;
  border: 0;
  border-radius: 0;
}
.chat-messages {
  flex: 1;
  min-height: 0;
  padding: 19px;
  overflow: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: #d6dce5 transparent;
}
.chat-welcome {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  min-height: 100%;
  padding: 12px 5px;
  text-align: left;
}
.chat-welcome > .welcome-symbol {
  color: var(--accent);
  margin-bottom: 14px;
  background: none;
  width: 30px;
  height: 30px;
}
.welcome-symbol svg {
  width: 30px;
  height: 30px;
}
.chat-welcome h3 {
  font-size: 19px;
  font-weight: 600;
}
.chat-welcome > p {
  margin: 7px 0 23px;
  font-size: 12px;
}
.chat-prompts {
  display: grid;
  width: 100%;
  gap: 8px;
}
.prompt-button {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  min-height: 40px;
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: #606b7b;
  font-size: 11px;
  text-align: left;
}
.prompt-button svg {
  width: 15px;
  color: var(--accent);
}
.prompt-button svg:last-child {
  margin-left: auto;
  color: #a6afbc;
}
.prompt-button:hover {
  background: #f7faff;
  border-color: #bcd4f7;
  color: var(--accent);
}
.chat-message {
  margin-bottom: 19px;
  padding: 0 0 7px;
  max-width: 100%;
  border: 0;
  border-radius: 0;
  background: transparent;
}
.chat-message.user {
  width: fit-content;
  max-width: 88%;
  margin-left: auto;
  padding: 10px 13px;
  border-radius: 8px 8px 2px 8px;
  background: #eaf2ff;
}
.chat-message.error {
  padding: 12px;
  background: #fff3f2;
  border: 1px solid #f3d4d0;
  border-radius: 6px;
  color: #a73e3c;
}
.message-label {
  min-height: 22px;
  margin-bottom: 7px;
  color: #8590a0;
  font-size: 10px;
}
.user .message-label {
  display: none;
}
.message-content {
  font-size: 12px;
  line-height: 1.85;
}
.message-content.markdown {
  white-space: normal;
}
.markdown p {
  margin: 0 0 10px;
}
.markdown h1,
.markdown h2,
.markdown h3 {
  font-size: 14px;
  margin: 16px 0 8px;
}
.markdown ul,
.markdown ol {
  padding-left: 21px;
}
.markdown pre {
  overflow-x: auto;
  padding: 13px;
  border-radius: 6px;
  background: #f3f5f8;
  color: #303945;
  white-space: pre;
}
.markdown code {
  font-family: ui-monospace, monospace;
  font-size: 11px;
  background: #f0f3f7;
  padding: 2px 4px;
  border-radius: 3px;
}
.markdown pre code {
  padding: 0;
  background: none;
}
.markdown blockquote {
  margin: 10px 0;
  border-left: 3px solid #cadbf5;
  padding-left: 12px;
  color: var(--muted);
}
.markdown table {
  display: block;
  max-width: 100%;
  overflow: auto;
  border-collapse: collapse;
}
.markdown th,
.markdown td {
  padding: 7px;
  border: 1px solid var(--line);
}
.markdown a {
  color: var(--accent);
}
.message-copy {
  right: 0;
  top: -4px;
  min-height: 28px;
  width: 28px;
  min-width: 28px;
}
.message-copy svg {
  width: 13px;
}
.retry-button {
  margin-top: 8px;
  color: var(--danger);
}
.typing-indicator {
  border: 0;
  background: none;
  padding: 8px 0;
  margin-bottom: 10px;
}
.typing-indicator span {
  width: 5px;
  height: 5px;
  background: #84a9de;
}
.chat-composer {
  padding: 12px 15px 13px;
  background: #fff;
}
.chat-composer textarea {
  display: block;
  min-height: 62px;
  max-height: 124px;
  resize: none;
  border: 0;
  padding: 4px;
  font-size: 12px;
}
.chat-composer textarea:focus-visible {
  outline: none;
}
.chat-composer:focus-within {
  box-shadow: inset 0 2px var(--accent);
}
.composer-footer {
  justify-content: space-between;
  gap: 8px;
  margin-top: 6px;
}
.composer-footer > span {
  display: block;
  font-size: 9px;
  color: #97a0ad;
}
.composer-actions {
  gap: 6px;
}
.send-button {
  min-height: 33px;
  width: 33px;
  padding: 0;
}
@media (min-width: 1500px) {
  .main-content {
    padding-inline: 64px;
  }
  .dashboard-columns {
    grid-template-columns: minmax(0, 1fr) 250px;
    gap: 40px;
  }
  .task-item {
    padding-block: 23px;
  }
}
@media (max-width: 1100px) {
  .app-shell {
    grid-template-columns: 195px minmax(0, 1fr);
  }
  .sidebar {
    padding-inline: 13px;
  }
  .brand {
    gap: 9px;
    padding-inline: 4px;
  }
  .brand strong {
    font-size: 16px;
  }
  .main-content {
    padding-inline: 28px;
  }
  .dashboard-columns {
    grid-template-columns: minmax(0, 1fr) 180px;
    gap: 22px;
  }
  .insights {
    padding-left: 20px;
  }
  .summary-item {
    padding-inline: 21px;
  }
}
@media (max-width: 900px) {
  .sidebar {
    display: flex;
    align-items: stretch;
  }
  .main-nav {
    grid-template-columns: 1fr;
  }
  .nav-item {
    justify-content: flex-start;
  }
  .dashboard-columns {
    grid-template-columns: 1fr;
  }
  .insights {
    display: grid;
    grid-template-columns: 1fr 1fr;
    column-gap: 30px;
    padding: 23px 0 0;
    border-left: 0;
    border-top: 1px solid var(--line);
  }
  .insights > .section-heading {
    grid-column: 1;
  }
  .week-total {
    grid-column: 1;
    margin-block: 12px;
  }
  .week-chart {
    grid-column: 1;
  }
  .next-step {
    grid-column: 2;
    grid-row: 1 / span 3;
    margin-top: 0;
    padding: 0 0 0 25px;
    border-top: 0;
    border-left: 1px solid var(--line);
  }
  .records-layout {
    grid-template-columns: 1fr;
  }
  .record-editor {
    padding-right: 0;
    padding-bottom: 30px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
}
@media (max-width: 700px) {
  .app-shell {
    grid-template-columns: 1fr;
  }
  .sidebar {
    position: static;
    height: auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: 21px;
    padding: 21px 20px 0;
    background: #fff;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .brand {
    padding: 0;
    justify-content: flex-start;
  }
  .brand-mark {
    width: 34px;
    height: 34px;
  }
  .brand strong {
    font-size: 18px;
  }
  .brand small {
    font-size: 9px;
  }
  .main-nav {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 4px;
  }
  .nav-item {
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    min-height: 57px;
    padding: 6px 2px 10px;
    font-size: 10px;
    border-radius: 5px 5px 0 0;
  }
  .nav-item svg {
    display: block;
    width: 18px;
    height: 18px;
  }
  .nav-item.is-active {
    background: #fff;
    box-shadow: inset 0 -2px var(--accent);
  }
  .ai-nav {
    margin-top: 0;
  }
  .nav-count,
  .nav-caption,
  .nav-item .nav-end,
  .sidebar-bottom {
    display: none;
  }
  .main-content {
    padding: 0 20px 100px;
  }
  .workspace-bar {
    height: 51px;
    font-size: 10px;
  }
  .workspace-date {
    gap: 4px;
  }
  .workspace-date svg {
    width: 13px;
  }
  .topbar {
    padding: 27px 0 25px;
    gap: 12px;
    align-items: center;
  }
  h1 {
    font-size: 23px;
  }
  .view-subtitle {
    font-size: 11px;
  }
  .eyebrow {
    font-size: 9px;
  }
  .topbar .primary-button {
    width: auto;
    padding: 0 12px;
  }
  .topbar .primary-button span {
    display: inline;
  }
  .summary-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    padding-block: 20px;
  }
  .summary-item {
    display: block;
    padding: 0 13px;
  }
  .summary-item:first-child {
    padding-left: 8px;
  }
  .summary-item + .summary-item {
    border-top: 0;
    border-left: 1px solid var(--line);
  }
  .summary-item > span {
    font-size: 10px;
    gap: 5px;
  }
  .metric-icon {
    width: 13px;
    height: 13px;
  }
  .summary-item > strong {
    font-size: 28px;
    margin-top: 15px;
  }
  .summary-item small {
    font-size: 9px;
    line-height: 1.7;
  }
  .summary-item strong em {
    font-size: 9px;
  }
  .dashboard-columns {
    padding-top: 23px;
  }
  .task-heading {
    flex-direction: row;
  }
  .task-actions {
    flex-direction: column;
  }
  .task-item {
    column-gap: 10px;
  }
  .task-copy strong {
    font-size: 12px;
  }
  .task-copy p {
    font-size: 10px;
  }
  .plan-grid {
    grid-template-columns: 1fr;
  }
  .learning-intro {
    gap: 15px;
  }
  .learning-intro img {
    width: 100px;
    height: 112px;
    max-width: 30%;
  }
  .page-intro h2 {
    font-size: 16px;
  }
  .ai-window,
  .ai-window.is-expanded {
    right: 12px;
    bottom: 82px;
    width: calc(100vw - 24px);
    height: min(600px, calc(100dvh - 98px));
  }
  .chat-launcher {
    right: 17px;
    bottom: 17px;
    width: 49px;
    height: 49px;
  }
  .chat-panel {
    height: auto;
    min-height: 0;
  }
  .toast {
    bottom: 83px;
  }
  .form-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 380px) {
  .main-content {
    padding-inline: 15px;
  }
  h1 {
    font-size: 21px;
  }
  .topbar > .primary-button {
    min-width: 38px;
    width: 38px;
    padding: 0;
  }
  .topbar > .primary-button span {
    display: none;
  }
  .task-heading {
    gap: 10px;
  }
  .task-heading h2 {
    font-size: 15px;
  }
  .segmented-control button {
    min-width: 36px;
    padding-inline: 6px;
  }
  .summary-item {
    padding-inline: 9px;
  }
  .ai-toolbar {
    padding-inline: 12px;
  }
}
.message-content {
  font-size: 13px;
}
@media (max-width: 700px) {
  .topbar > .primary-button {
    min-width: 38px;
    width: 38px;
    padding: 0;
  }
  .topbar > .primary-button span {
    display: none;
  }
  .ai-window.is-expanded {
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100dvh;
    border-radius: 0;
  }
  .ai-window.is-expanded .chat-composer {
    padding-bottom: max(13px, env(safe-area-inset-bottom));
  }
}
@media (max-width: 380px) {
  .insights {
    display: block;
  }
  .next-step {
    margin-top: 24px;
    padding: 22px 0 0;
    border-left: 0;
    border-top: 1px solid var(--line);
  }
}
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}

/* UI/UX Pro Max refinement: flat teal surfaces with one clear action color. */
:root {
  --color-primary-700: #0f766e;
  --color-primary-600: #0d9488;
  --color-primary-500: #14b8a6;
  --color-primary-100: #ccfbf1;
  --color-primary-50: #f0fdfa;
  --color-action: #ea580c;
  --color-action-dark: #c2410c;
  --color-action-deep: #9a3412;
  --color-ink: #134e4a;
  --color-muted: #475569;
  --color-surface: #ffffff;
  --color-surface-soft: #f7fffe;
  --color-line: #c8eee8;
  --color-danger: #dc2626;
  --ink: var(--color-ink);
  --muted: var(--color-muted);
  --paper: var(--color-primary-50);
  --surface: var(--color-surface);
  --line: var(--color-line);
  --sidebar: var(--color-surface);
  --accent: var(--color-primary-600);
  --accent-strong: var(--color-primary-700);
  --work: var(--color-action);
  --work-soft: #fff7ed;
  --software: var(--color-primary-700);
  --software-soft: #ecfdf5;
  --english: #0f766e;
  --english-soft: #f0fdfa;
  --danger: var(--color-danger);
  --shadow: 0 14px 34px rgba(15, 118, 110, 0.1), 0 2px 8px rgba(15, 118, 110, 0.06);
}

body {
  background: var(--color-primary-50);
  color: var(--color-ink);
}

button,
a,
input,
select,
textarea {
  touch-action: manipulation;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline-color: rgba(13, 148, 136, 0.55);
  outline-offset: 3px;
}

.app-shell {
  background: var(--color-primary-50);
}

.sidebar {
  background: var(--color-surface);
  border-right-color: var(--color-line);
  box-shadow: 8px 0 24px rgba(15, 118, 110, 0.035);
}

.brand-mark {
  background: var(--color-primary-600);
}

.brand strong,
.workspace-label strong {
  color: var(--color-ink);
}

.brand small,
.workspace-label small,
.sidebar-status {
  color: var(--color-muted);
}

.nav-caption {
  color: #647f7c;
}

.nav-item {
  color: #52706c;
}

.nav-item:hover {
  background: #ecfdf5;
  color: var(--color-ink);
}

.nav-item.is-active,
.ai-nav[aria-expanded="true"] {
  background: var(--color-primary-100);
  color: var(--color-primary-700);
}

.nav-count {
  background: #f0fdfa;
  color: var(--color-primary-700);
}

.profile-mark {
  background: var(--color-primary-100);
  color: var(--color-primary-700);
}

.status-dot {
  background: #16a34a;
  box-shadow: 0 0 0 4px rgba(22, 163, 74, 0.12);
}

.main-content {
  background: var(--color-surface-soft);
}

.workspace-bar {
  border-bottom-color: var(--color-line);
}

.workspace-bar strong {
  color: var(--color-primary-700);
}

.eyebrow,
.blue,
.text-button,
.chart-day.is-today span:last-child {
  color: var(--color-primary-600);
}

.topbar .primary-button,
.chat-launcher {
  border-color: var(--color-action-dark);
  background: var(--color-action-dark);
  box-shadow: 0 5px 14px rgba(234, 88, 12, 0.2);
}

.topbar .primary-button:hover:not(:disabled),
.chat-launcher:hover {
  border-color: var(--color-action-deep);
  background: var(--color-action-deep);
  box-shadow: 0 8px 18px rgba(194, 65, 12, 0.23);
}

.topbar .primary-button:active:not(:disabled),
.chat-launcher:active:not(:disabled) {
  box-shadow: inset 0 2px 4px rgba(124, 45, 18, 0.28);
}

.secondary-button {
  border-color: var(--color-line);
  background: var(--color-surface);
  color: var(--color-primary-700);
}

.secondary-button:hover,
.icon-button:hover {
  background: #ecfdf5;
  color: var(--color-primary-700);
}

.summary-grid {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: 8px;
  box-shadow: 0 4px 18px rgba(15, 118, 110, 0.04);
}

.summary-item + .summary-item {
  border-color: var(--color-line);
}

.summary-item > span,
.summary-item small,
.progress-section h2,
.section-kicker {
  color: var(--color-muted);
}

.green {
  color: #0f766e;
}

.orange {
  color: var(--color-action);
}

.progress-section {
  border-bottom-color: var(--color-line);
}

.progress-value {
  color: var(--color-primary-700);
}

.progress-track {
  background: #d9f4ee;
}

.progress-track span {
  background: var(--color-primary-600);
}

.dashboard-columns {
  gap: 28px;
}

.task-section {
  min-width: 0;
}

.segmented-control {
  border: 1px solid var(--color-line);
  background: #ecfdf5;
}

.segmented-control button.is-selected {
  color: var(--color-primary-700);
  box-shadow: 0 1px 4px rgba(15, 118, 110, 0.14);
}

.task-list {
  border-top-color: var(--color-line);
}

.task-item {
  border-bottom-color: var(--color-line);
}

.task-item:hover {
  background: #f0fdfa;
}

.task-check {
  accent-color: var(--color-primary-600);
}

.task-copy p,
.task-meta,
.next-step > p:not(.section-kicker) {
  color: var(--color-muted);
}

.category-tag.work {
  background: #fff7ed;
  color: var(--color-action-dark);
}

.category-tag.software,
.category-tag.english {
  background: #ecfdf5;
  color: var(--color-primary-700);
}

.add-task-inline:hover {
  background: #ecfdf5;
  color: var(--color-primary-700);
}

.insights {
  border-left-color: var(--color-line);
}

.insights .section-heading > svg {
  color: var(--color-primary-500);
}

.chart-day .bar-track {
  background: #e7f7f3;
}

.chart-day .bar-fill {
  background: #5eead4;
}

.chart-day.is-today .bar-fill {
  background: var(--color-primary-600);
}

.next-step {
  border-top-color: var(--color-line);
}

.text-button:hover {
  color: var(--color-primary-700);
}

.page-intro,
.plan-grid,
.records-layout {
  min-width: 0;
}

.learning-intro {
  padding: 24px;
  border: 1px solid var(--color-line);
  border-radius: 8px;
  background: var(--color-surface);
}

.learning-intro img {
  border-radius: 6px;
}

.plan-grid {
  gap: 16px;
  border-top: 0;
  padding-top: 20px;
}

.plan-lane {
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--color-line);
  border-radius: 8px;
  background: var(--color-surface);
}

.plan-item {
  border-bottom-color: var(--color-line);
}

.software-lane .lane-icon {
  background: #ccfbf1;
  color: var(--color-primary-700);
}

.english-lane .lane-icon {
  background: #fff7ed;
  color: var(--color-action-dark);
}

.record-editor {
  border-right-color: var(--color-line);
}

input,
select,
textarea {
  border-color: #a7dcd4;
  background: var(--color-surface);
}

input::placeholder,
textarea::placeholder {
  color: #6b8581;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--color-primary-600);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.12);
}

.record-item {
  border-left-color: var(--color-line);
}

.record-item::before {
  background: var(--color-primary-600);
}

.task-dialog {
  border-color: var(--color-line);
  box-shadow: var(--shadow);
}

.task-dialog::backdrop {
  background: rgba(19, 78, 74, 0.42);
}

.toast {
  border: 1px solid var(--color-line);
  background: var(--color-surface);
  color: var(--color-ink);
}

.chat-launcher[aria-expanded="true"] {
  border-color: var(--color-line);
  background: var(--color-surface);
  color: var(--color-primary-700);
  box-shadow: 0 4px 16px rgba(15, 118, 110, 0.14);
}

.unread-dot {
  background: var(--color-action);
}

.ai-window {
  border-color: var(--color-line);
  background: var(--color-surface);
  box-shadow: var(--shadow);
}

.assistant-mark {
  background: var(--color-primary-100);
  color: var(--color-primary-700);
}

.model-row {
  background: #f0fdfa;
  border-bottom-color: var(--color-line);
}

.prompt-button {
  border-color: var(--color-line);
}

.prompt-button:hover {
  background: #ecfdf5;
  border-color: #7dd3c7;
  color: var(--color-primary-700);
}

.prompt-button svg,
.markdown a {
  color: var(--color-primary-600);
}

.chat-message.user {
  background: var(--color-primary-100);
  color: var(--color-ink);
}

.chat-composer {
  border-top: 1px solid var(--color-line);
  background: var(--color-surface);
}

.chat-composer:focus-within {
  box-shadow: inset 0 2px var(--color-primary-600);
}

.send-button {
  background: var(--color-primary-600);
  color: #fff;
}

.send-button:hover:not(:disabled) {
  background: var(--color-primary-700);
}

@media (max-width: 700px) {
  .sidebar {
    background: var(--color-surface);
    border-bottom-color: var(--color-line);
  }

  .brand,
  .primary-button,
  .secondary-button,
  .icon-button,
  .segmented-control button,
  .text-button,
  .prompt-button,
  .send-button,
  .model-row select {
    min-height: 44px;
  }

  .icon-button,
  .task-actions .icon-button,
  .ai-toolbar-actions .icon-button,
  .message-copy,
  .send-button {
    width: 44px;
    min-width: 44px;
  }

  .nav-item.is-active {
    background: var(--color-surface);
    box-shadow: inset 0 -2px var(--color-primary-600);
  }

  .learning-intro {
    padding: 18px;
  }

  .plan-grid {
    padding-top: 16px;
  }

  .plan-lane {
    padding: 16px;
  }
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
  margin-top: 56px;
  padding-top: 18px;
  border-top: 1px solid var(--color-line);
  color: #64817d;
  font-size: 10px;
  line-height: 1.6;
}

@media (max-width: 700px) {
  .site-footer {
    display: grid;
    margin-top: 40px;
    padding-bottom: 18px;
    font-size: 10px;
  }
}