:root {
  color-scheme: light dark;
  --bg: #f3f6fc;
  --surface: #ffffff;
  --surface-muted: #f8faff;
  --text: #1f2540;
  --text-muted: #667085;
  --border: #dbe3f0;
  --accent: #5b6cff;
  --accent-hover: #4a59eb;
  --danger: #d6455d;
  --success: #1f9d63;
  --shadow: 0 18px 40px rgba(31, 37, 64, 0.08);
  --radius: 16px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111522;
    --surface: #1a2030;
    --surface-muted: #20283a;
    --text: #eef2ff;
    --text-muted: #98a2b3;
    --border: #2d3748;
    --shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
  }
}

* {
  box-sizing: border-box;
}

body.auth-body {
  margin: 0;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(91, 108, 255, 0.12), transparent 32rem),
    var(--bg);
  color: var(--text);
}

.auth-shell {
  width: min(960px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 48px;
}

.auth-main {
  display: grid;
  gap: 20px;
}

.auth-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
}

.auth-card--narrow {
  width: min(420px, 100%);
  margin: 8vh auto 0;
}

.auth-card--center {
  text-align: center;
}

.auth-card--placeholder {
  min-height: 320px;
  display: grid;
  place-items: center;
}

.auth-card__header {
  margin-bottom: 20px;
}

.auth-card__header--row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.auth-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.auth-topbar__title,
.auth-title {
  margin: 0;
  font-size: 1.75rem;
  letter-spacing: -0.03em;
}

.auth-topbar__actions,
.auth-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.auth-eyebrow {
  margin: 0 0 8px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.auth-subtitle,
.auth-section-title {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.5;
}

.auth-section-title {
  color: var(--text);
  font-size: 1.1rem;
}

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

.auth-form--grid {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  align-items: end;
}

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

.auth-field--action {
  align-self: end;
}

.auth-label {
  font-size: 0.92rem;
  font-weight: 600;
}

.auth-input {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface-muted);
  color: var(--text);
  padding: 12px 14px;
  font: inherit;
}

.auth-input:focus {
  outline: 2px solid rgba(91, 108, 255, 0.25);
  border-color: var(--accent);
}

.auth-button,
.auth-link {
  font: inherit;
}

.auth-button {
  border: 0;
  border-radius: 12px;
  background: var(--accent);
  color: #fff;
  padding: 12px 18px;
  font-weight: 600;
  cursor: pointer;
}

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

.auth-button:disabled {
  opacity: 0.65;
  cursor: wait;
}

.auth-button--ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.auth-button--ghost:hover {
  background: var(--surface-muted);
}

.auth-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

.auth-link:hover {
  text-decoration: underline;
}

.auth-error {
  margin: 0;
  color: var(--danger);
  font-size: 0.92rem;
}

.auth-message {
  margin: 12px 0 0;
  color: var(--success);
  font-size: 0.92rem;
}

.auth-table-wrap {
  overflow-x: auto;
}

.auth-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.auth-table th,
.auth-table td {
  padding: 12px 10px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: middle;
}

.auth-table th {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

.auth-table__empty {
  text-align: center;
  color: var(--text-muted);
}

.auth-badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 0.82rem;
  font-weight: 600;
  background: var(--surface-muted);
}

.auth-badge--active {
  color: var(--success);
}

.auth-badge--disabled {
  color: var(--danger);
}

.auth-placeholder {
  max-width: 36rem;
  text-align: center;
}

.hidden {
  display: none !important;
}

.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;
}

.auth-body[data-page="app"] .auth-shell {
  width: min(1180px, calc(100% - 32px));
}

.app-topbar {
  align-items: flex-start;
}

.app-topbar__leading {
  display: grid;
  gap: 10px;
}

.app-nav {
  display: inline-flex;
  gap: 6px;
  padding: 4px;
  border-radius: 14px;
  background: var(--surface-muted);
  border: 1px solid var(--border);
}

.app-nav__tab {
  border: 0;
  background: transparent;
  color: var(--text-muted);
  padding: 10px 18px;
  border-radius: 10px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.app-nav__tab.is-active {
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 1px 3px rgba(31, 37, 64, 0.12);
}

.app-user-badge {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.app-section[hidden] {
  display: none !important;
}

.tasks-layout {
  display: grid;
  grid-template-columns: minmax(240px, 280px) minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

.tasks-sidebar {
  display: grid;
  gap: 20px;
}

.tasks-views {
  display: grid;
  gap: 8px;
}

.tasks-view {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface-muted);
  color: var(--text);
  padding: 12px 14px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
}

.tasks-view.is-active,
.tasks-project.is-active {
  border-color: rgba(91, 108, 255, 0.35);
  background: rgba(91, 108, 255, 0.08);
}

.tasks-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.5rem;
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(91, 108, 255, 0.15);
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
}

.tasks-badge--danger {
  background: rgba(214, 69, 93, 0.14);
  color: var(--danger);
}

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

.tasks-projects__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.tasks-project,
.tasks-projects__empty {
  width: 100%;
}

.tasks-project {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: transparent;
  color: var(--text);
  padding: 12px 14px;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.tasks-projects__empty {
  color: var(--text-muted);
  font-size: 0.92rem;
}

.tasks-areas {
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.tasks-areas__header,
.tasks-area-form__actions,
.tasks-area-item__actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.tasks-areas__header {
  justify-content: space-between;
  margin-bottom: 8px;
}

.tasks-areas__list,
.tasks-area-group__projects {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.tasks-areas__empty {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.tasks-area-item {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: center;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface-muted);
}

.tasks-area-item__name {
  font-weight: 600;
}

.tasks-area-group__toggle,
.tasks-area-group__label {
  width: 100%;
  margin: 8px 0 4px;
  font: inherit;
  font-weight: 700;
  text-align: left;
}

.tasks-area-group__toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  border: 0;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0;
}

.tasks-area-group.is-collapsed .tasks-area-group__projects {
  display: none;
}

.tasks-area-group.is-collapsed .tasks-area-group__chevron {
  transform: rotate(-90deg);
}

.tasks-area-group__chevron {
  display: inline-block;
  transition: transform 0.15s ease;
}

.tasks-project-form {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.tasks-project-form__actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

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

.tasks-panel__title-group {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.tasks-panel__title-group .auth-section-title {
  margin: 0;
}

.tasks-loading {
  margin: 0;
  font-size: 0.92rem;
  color: var(--text-muted);
}

.tasks-create {
  display: grid;
  gap: 10px;
  margin-bottom: 16px;
}

.tasks-create__meta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 10px;
}

.tasks-readonly,
.tasks-empty {
  margin: 0 0 12px;
  color: var(--text-muted);
}

.tasks-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.tasks-item {
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface-muted);
  padding: 14px;
}

.tasks-item--overdue {
  border-color: rgba(214, 69, 93, 0.35);
  background: rgba(214, 69, 93, 0.06);
}

.tasks-item--archived {
  opacity: 0.92;
}

.tasks-item__row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
}

.tasks-item__check input {
  width: 1.1rem;
  height: 1.1rem;
  margin-top: 4px;
  accent-color: var(--accent);
}

.tasks-item__title {
  margin: 0 0 8px;
  font-weight: 600;
}

.tasks-item__title--done {
  text-decoration: line-through;
  color: var(--text-muted);
}

.tasks-item__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.tasks-item__due {
  font-weight: 600;
}

.tasks-item--overdue .tasks-item__due {
  color: var(--danger);
}

.tasks-item__edit {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

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

.tasks-item__actions {
  margin-top: 8px;
}

.tasks-disabled code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.88em;
}

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

.calendar-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.calendar-toolbar__leading {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.calendar-view-toggle {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 999px;
  overflow: hidden;
  background: var(--surface);
}

.calendar-view-btn {
  border: 0;
  background: transparent;
  color: var(--text-muted);
  padding: 8px 14px;
  font: inherit;
  cursor: pointer;
}

.calendar-view-btn.is-active {
  background: rgba(91, 108, 255, 0.12);
  color: var(--accent);
  font-weight: 600;
}

.calendar-toolbar__nav,
.calendar-toolbar__actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.calendar-toolbar__date {
  margin: 0;
  flex: 1 1 12rem;
  text-transform: capitalize;
}

.calendar-loading,
.calendar-empty,
.calendar-readonly {
  margin: 0;
  color: var(--text-muted);
}

.calendar-grid-wrap {
  max-height: min(70vh, 980px);
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface-muted);
}

.calendar-grid {
  display: grid;
  grid-template-columns: 4.5rem minmax(0, 1fr);
  min-height: calc(48 * 28px);
}

.calendar-grid--week {
  grid-template-columns: 4.5rem minmax(0, 1fr);
}

.calendar-week-columns {
  display: grid;
  grid-template-columns: repeat(7, minmax(8.5rem, 1fr));
  min-width: min(100%, calc(7 * 8.5rem));
}

.calendar-week-column {
  border-right: 1px solid var(--border);
  min-width: 0;
}

.calendar-week-column:last-child {
  border-right: 0;
}

.calendar-week-column--today {
  background: rgba(91, 108, 255, 0.04);
}

.calendar-week-column__head {
  position: sticky;
  top: 0;
  z-index: 3;
  padding: 8px 6px;
  text-align: center;
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: capitalize;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-muted);
}

.calendar-week-column__head--today {
  color: var(--accent);
}

.calendar-grid-wrap--week {
  overflow: auto;
}

.calendar-day-view,
.calendar-week-view {
  min-width: 0;
}

.calendar-hours {
  border-right: 1px solid var(--border);
  background: var(--surface);
}

.calendar-hour {
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
  padding: 4px 8px 0 0;
  font-size: 0.78rem;
  color: var(--text-muted);
  box-sizing: border-box;
}

.calendar-canvas {
  position: relative;
  min-height: calc(48 * 28px);
}

.calendar-slots,
.calendar-blocks {
  position: absolute;
  inset: 0;
}

.calendar-slot {
  display: block;
  width: 100%;
  border: 0;
  border-bottom: 1px solid rgba(219, 227, 240, 0.65);
  background: transparent;
  padding: 0;
  cursor: pointer;
}

.calendar-slot:hover {
  background: rgba(91, 108, 255, 0.06);
}

.calendar-slot--readonly {
  cursor: default;
}

.calendar-slot--readonly:hover {
  background: transparent;
}

.calendar-block {
  position: absolute;
  border: 1px solid rgba(91, 108, 255, 0.35);
  border-left: 4px solid var(--accent);
  border-radius: 10px;
  background: rgba(91, 108, 255, 0.12);
  color: var(--text);
  padding: 6px 8px;
  text-align: left;
  overflow: hidden;
  cursor: pointer;
  box-sizing: border-box;
}

.calendar-block--project {
  border-color: rgba(31, 157, 99, 0.35);
  border-left-color: var(--success);
  background: rgba(31, 157, 99, 0.12);
}

.calendar-block--conflict {
  border-color: rgba(214, 69, 93, 0.65);
  box-shadow: inset 0 0 0 1px rgba(214, 69, 93, 0.35);
}

.calendar-block__time,
.calendar-block__title,
.calendar-block__source {
  display: block;
  line-height: 1.35;
}

.calendar-block__time {
  font-size: 0.78rem;
  font-weight: 700;
}

.calendar-block__title {
  font-size: 0.88rem;
  font-weight: 600;
}

.calendar-block__source {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.calendar-now-line {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--danger);
  pointer-events: none;
  z-index: 2;
}

.calendar-now-line::before {
  content: "";
  position: absolute;
  left: 0;
  top: -4px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--danger);
}

.calendar-dialog {
  width: min(480px, calc(100vw - 32px));
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 0;
  background: var(--surface);
  color: var(--text);
}

.calendar-dialog::backdrop {
  background: rgba(17, 21, 34, 0.45);
}

.calendar-dialog__header,
.calendar-dialog__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 20px;
}

.calendar-dialog__header {
  border-bottom: 1px solid var(--border);
}

.calendar-dialog__footer {
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}

.calendar-form {
  display: grid;
  gap: 14px;
  padding: 20px;
}

.calendar-form__row,
.calendar-form__fieldset {
  display: grid;
  gap: 8px;
}

.calendar-form__fieldset {
  border: 0;
  margin: 0;
  padding: 0;
}

.calendar-radio {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-right: 16px;
}

.calendar-dialog__close {
  min-width: 2.5rem;
  padding-inline: 10px;
}

.calendar-disabled code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.88em;
}

.reports-controls {
  display: grid;
  gap: 20px;
}

.reports-controls__row {
  display: grid;
  gap: 16px;
}

.reports-controls__row--toggles {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.reports-controls__group {
  display: grid;
  gap: 10px;
}

.reports-controls__group--compare {
  align-content: start;
}

.reports-controls__group--scope {
  flex: 1 1 100%;
}

.reports-summary__scope-note {
  margin: 0 0 12px;
}

.reports-period {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.reports-period__input {
  width: auto;
  min-width: 10.5rem;
}

.reports-period__sep {
  color: var(--text-muted);
}

.reports-presets,
.reports-templates {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.reports-checkbox {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  cursor: pointer;
}

.reports-checkbox input {
  width: 1rem;
  height: 1rem;
  accent-color: var(--accent);
}

.reports-hint {
  margin: 0;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.report-segment {
  display: inline-flex;
  padding: 4px;
  border-radius: 14px;
  background: var(--surface-muted);
  border: 1px solid var(--border);
  gap: 4px;
}

.report-segment__btn {
  border: 0;
  background: transparent;
  color: var(--text-muted);
  padding: 10px 16px;
  border-radius: 10px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.report-segment__btn.is-active {
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 1px 3px rgba(31, 37, 64, 0.12);
}

.reports-summary__title {
  margin-bottom: 16px;
}

.reports-summary__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.reports-summary__item {
  padding: 16px;
  border-radius: 14px;
  background: var(--surface-muted);
  border: 1px solid var(--border);
}

.reports-summary__item--balance {
  background: rgba(91, 108, 255, 0.08);
  border-color: rgba(91, 108, 255, 0.18);
}

.reports-summary__label {
  margin: 0 0 8px;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

.reports-summary__value {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.reports-summary__delta {
  margin: 8px 0 0;
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.reports-table-card {
  position: relative;
}

.reports-loading {
  margin: 0;
  font-size: 0.92rem;
  color: var(--text-muted);
}

.reports-table__num {
  white-space: nowrap;
  text-align: right;
}

.reports-table__share {
  min-width: 9rem;
}

.reports-table__tags {
  white-space: nowrap;
}

.report-share {
  display: flex;
  align-items: center;
  gap: 10px;
}

.report-share__track {
  flex: 1;
  height: 8px;
  border-radius: 999px;
  background: var(--surface-muted);
  overflow: hidden;
  min-width: 4rem;
}

.report-share__bar {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), #7b89ff);
}

.report-share__value {
  min-width: 3.5rem;
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-size: 0.88rem;
}

.report-tag {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 3px 8px;
  margin-right: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--surface-muted);
  color: var(--text-muted);
}

.report-tag--new {
  background: rgba(31, 157, 99, 0.14);
  color: var(--success);
}

.reports-total-line {
  margin: 16px 0 0;
  text-align: right;
  font-weight: 600;
  color: var(--text-muted);
}

@media (max-width: 640px) {
  .auth-shell {
    width: min(100%, calc(100% - 20px));
    padding-top: 20px;
  }

  .tasks-layout {
    grid-template-columns: 1fr;
  }

  .tasks-create__meta {
    grid-template-columns: 1fr;
  }

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

  .reports-summary__grid {
    grid-template-columns: 1fr;
  }

  .reports-controls__row--toggles {
    flex-direction: column;
    align-items: stretch;
  }

  .report-segment {
    width: 100%;
    justify-content: stretch;
  }

  .report-segment__btn {
    flex: 1;
  }

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

  .calendar-toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .calendar-toolbar__leading {
    flex-direction: column;
    align-items: stretch;
  }

  .calendar-week-columns {
    grid-template-columns: repeat(7, minmax(7rem, 7rem));
    min-width: calc(7 * 7rem);
  }

  .calendar-grid-wrap--week {
    overflow-x: auto;
    overflow-y: auto;
  }

  .calendar-grid {
    grid-template-columns: 3.5rem minmax(0, 1fr);
  }
}

.assistant-layout {
  display: grid;
  gap: 20px;
}

.assistant-panel {
  display: grid;
  gap: 16px;
  min-height: min(70vh, 720px);
}

.assistant-toolbar {
  display: flex;
  justify-content: flex-end;
}

.assistant-tone {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  border: 0;
}

.assistant-tone__option {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 0.88rem;
  cursor: pointer;
  background: var(--surface-muted);
  color: var(--text-muted);
  user-select: none;
}

.assistant-tone__option:has(input:checked) {
  border-color: rgba(91, 108, 255, 0.45);
  background: rgba(91, 108, 255, 0.1);
  color: var(--text);
  font-weight: 600;
}

.assistant-tone__option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.assistant-messages {
  display: grid;
  gap: 12px;
  align-content: start;
  min-height: 320px;
  max-height: min(58vh, 560px);
  overflow: auto;
  padding: 4px 2px;
}

.assistant-empty {
  display: grid;
  gap: 12px;
  padding: 12px 4px 8px;
}

.assistant-empty__title {
  margin: 0;
  font-size: 1.2rem;
}

.assistant-empty__text {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.5;
}

.assistant-hints {
  display: grid;
  gap: 8px;
}

.assistant-hints__label {
  margin: 0;
  font-size: 0.92rem;
  color: var(--text-muted);
}

.assistant-hint {
  border: 1px solid var(--border);
  background: var(--surface-muted);
  color: var(--text);
  border-radius: 12px;
  padding: 10px 12px;
  text-align: left;
  font: inherit;
  cursor: pointer;
}

.assistant-hint:hover {
  border-color: var(--accent);
}

.assistant-message {
  max-width: min(100%, 42rem);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px 14px;
  background: var(--surface-muted);
}

.assistant-message--user {
  justify-self: end;
  background: rgba(91, 108, 255, 0.08);
  border-color: rgba(91, 108, 255, 0.22);
}

.assistant-message__label {
  margin: 0 0 6px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.assistant-message__text {
  white-space: pre-wrap;
  line-height: 1.5;
}

.assistant-thinking {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.assistant-composer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: end;
}

.assistant-composer__input {
  min-height: 3.2rem;
  resize: vertical;
}

.assistant-confirm {
  border: 1px solid rgba(91, 108, 255, 0.28);
  background: rgba(91, 108, 255, 0.06);
  border-radius: 14px;
  padding: 14px;
  display: grid;
  gap: 10px;
}

.assistant-confirm__title {
  margin: 0;
  font-weight: 700;
}

.assistant-confirm__summary {
  margin: 0;
  line-height: 1.5;
}

.assistant-confirm__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.assistant-confirm__note {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.assistant-confirm--done {
  opacity: 0.82;
}

.assistant-followup {
  margin-top: 10px;
  border: 0;
  background: transparent;
  color: var(--accent);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  padding: 0;
}

@media (max-width: 720px) {
  .assistant-composer {
    grid-template-columns: 1fr;
  }

  .assistant-panel {
    min-height: calc(100vh - 12rem);
  }

  .app-nav {
    flex-wrap: wrap;
  }
}

.onboarding-help-btn {
  min-width: 2.25rem;
  padding-inline: 0.65rem;
  font-weight: 700;
  line-height: 1;
}

.onboarding-overlay {
  position: fixed;
  inset: 0;
  z-index: 1200;
  background: rgba(15, 23, 42, 0.52);
  padding: 16px;
  display: grid;
  align-items: start;
  justify-items: center;
}

.onboarding-overlay.hidden {
  display: none;
}

.onboarding-card {
  width: min(420px, calc(100vw - 32px));
  margin-top: var(--onboarding-top, auto);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  display: grid;
  gap: 12px;
}

.onboarding-card--center {
  margin-top: auto;
  margin-bottom: auto;
}

.onboarding-card__step {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.onboarding-card__title {
  margin: 0;
  font-size: 1.25rem;
}

.onboarding-card__text {
  margin: 0;
  line-height: 1.55;
  color: var(--text);
}

.onboarding-card__actions {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-top: 4px;
}

.onboarding-highlight {
  position: relative;
  z-index: 1201;
  box-shadow: 0 0 0 3px rgba(91, 108, 255, 0.55);
  border-radius: 12px;
}

@media (max-width: 720px) {
  .onboarding-card {
    margin-top: auto;
    margin-bottom: 0;
  }

  .onboarding-card__actions {
    flex-direction: column-reverse;
  }

  .onboarding-card__actions .auth-button {
    width: 100%;
  }
}