/* Shared Impeccable design layer. Loaded last on every application surface. */
:root {
  --display-font: "Fraunces", Georgia, serif;
  --event-color: #8170bd;
  --extra-ink: #6652a7;
  --extra-background: #f1edff;
  --extra-border: #c8bcf4;
  --overdue-ink: #b64353;
  --overdue-background: #fff0f3;
  --overdue-border: #f2aab5;
}

:root[data-theme="dark"] {
  --event-color: #a998ea;
  --extra-ink: #d7ceff;
  --extra-background: #332d55;
  --extra-border: #5b4e91;
  --overdue-ink: #ffb8c2;
  --overdue-background: #462630;
  --overdue-border: #78414d;
}

body,
button,
input,
textarea,
select {
  font-family: "DM Sans", ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
a,
input,
textarea,
select {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline-color: color-mix(in srgb, var(--accent, var(--shell-accent)) 48%, transparent);
  outline-offset: 3px;
}

/* To-Do List and task creation. */
.app-shell { padding: 32px 24px 64px; }
.todo-card {
  width: min(100%, 1040px);
  padding: 42px;
  border-radius: 24px;
  box-shadow: none;
}
:root[data-theme="dark"] .todo-card { box-shadow: none; }
.list-title,
.list-heading h1,
.calendar-brand h1,
.auth-brand h1 {
  font-family: var(--display-font);
  font-optical-sizing: auto;
  font-weight: 700;
  letter-spacing: -0.025em;
  text-wrap: balance;
}
.card-header {
  grid-template-rows: auto auto;
  align-items: center;
  row-gap: 10px;
}
.list-title {
  grid-column: 1;
  grid-row: 1;
  max-width: 760px;
  font-size: clamp(3.4rem, 5vw, 4.5rem);
  line-height: 1.04;
}
.list-tagline {
  grid-column: 1;
  grid-row: 2;
  max-width: 52ch;
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
  font-weight: 500;
  letter-spacing: 0.005em;
  line-height: 1.5;
  text-wrap: pretty;
}
.title-meta {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: center;
}
.list-heading h1 { font-size: 1.65rem; line-height: 1.08; }
.preview-heading h2,
.task-edit-heading h2 { font-family: inherit; }
.calendar-link { color: var(--accent-dark); background: var(--soft-accent); border-color: var(--soft-accent-border); }
.calendar-link:hover,
.calendar-link:focus-visible { color: var(--on-strong); background: var(--accent); border-color: var(--accent); }
.toggle-composer { background: var(--accent); border-color: var(--accent); }
.calendar-link,
.toggle-composer,
.ask-button,
.save-preview,
.share-list,
.appearance-picker select { border-radius: 10px; }
.task-composer,
.manual-task-form,
.preview-section,
.task-edit-card { border-radius: 16px; }
.preview-section { padding: 24px; }
.preview-heading h2 { font-size: 1.55rem; font-weight: 750; letter-spacing: -0.025em; }
.task-item { border-radius: 12px; }
.task-item.completed { background: color-mix(in srgb, var(--surface) 78%, #b7c4d8); }
.task-item.completed .task-text { color: var(--completed); text-decoration-color: var(--completed); }
.task-title-line {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  column-gap: 9px;
  row-gap: 6px;
  min-width: 0;
}
.task-title-line .task-text {
  flex: 0 1 auto;
  min-width: 0;
}
.task-badges {
  display: inline-flex;
  flex: 0 1 auto;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  min-width: 0;
}
.overdue-badge,
.task-label-badge {
  max-width: min(100%, 22rem);
  overflow: visible;
  overflow-wrap: anywhere;
  text-overflow: clip;
  white-space: normal;
}
.task-date-heading {
  font-family: var(--display-font);
  font-size: 1.22rem;
  font-optical-sizing: auto;
  font-weight: 700;
  letter-spacing: -0.018em;
  line-height: 1.25;
}
.task-date-heading time {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.15em 0.4em;
  max-width: 100%;
}
.task-date-weekday {
  color: var(--muted);
  font: 500 0.74em/1.45 "DM Sans", ui-sans-serif, sans-serif;
  letter-spacing: 0;
  white-space: nowrap;
}
.task-date {
  margin-top: 3px;
  color: var(--accent-dark);
  font-size: 0.88rem;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  letter-spacing: 0.015em;
  line-height: 1.4;
  text-transform: none;
}
.date-field input {
  font-size: 1rem;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}
.overdue-badge,
.calendar-status-badge { color: var(--overdue-ink); background: var(--overdue-background); border-color: var(--overdue-border); }
.task-label-badge,
.calendar-label-badge { color: var(--extra-ink); background: var(--extra-background); border-color: var(--extra-border); }
.record-button { color: #167d9b; background: var(--mint); }
.record-button:hover:not(:disabled),
.upload-task-button:hover:not(:disabled) { box-shadow: 0 8px 20px color-mix(in srgb, var(--accent) 18%, transparent); }
body.recording .record-button { background: var(--accent); box-shadow: 0 0 0 6px color-mix(in srgb, var(--accent) 16%, transparent); }
.page-notice.completion { color: #eaf8ff; background: #27536e; border-color: #4d7894; }
.page-notice.error { background: #a93e4e; }
.empty-state { padding: 38px 20px; }
.list-tools { margin-top: 28px; }

/* Calendar receives the full browser canvas on desktop. */
.calendar-page {
  --weekend-background: #f3f7fd;
  --weekend-background-strong: #edf4fc;
  --weekend-border: #dce7f5;
  --holiday-background: #e4edf9;
  --holiday-background-strong: #d8e5f5;
  --holiday-border: #aec3dd;
  --holiday-ink: #3e5f82;
}
:root[data-theme="dark"] .calendar-page {
  --weekend-background: #152238;
  --weekend-background-strong: #192944;
  --weekend-border: #2b3c59;
  --holiday-background: #223653;
  --holiday-background-strong: #294260;
  --holiday-border: #4d6789;
  --holiday-ink: #c5d9f5;
}
.calendar-shell {
  width: calc(100% - 32px);
  min-height: calc(100vh - 32px);
  margin: 16px;
  padding: clamp(24px, 2.2vw, 36px);
  border-radius: 24px;
  box-shadow: none;
}
:root[data-theme="dark"] .calendar-shell { box-shadow: none; }
.date-navigation h2,
.day-heading strong,
.dialog-heading h2 { font-family: inherit; }
.calendar-brand h1 { font-size: 2.15rem; line-height: 1.05; }
.back-link { color: var(--accent-dark); background: var(--soft-accent); border-color: var(--soft-accent-border); }
.back-link:hover,
.back-link:focus-visible { color: var(--on-strong); background: var(--accent); border-color: var(--accent); }
.calendar-stage { min-height: calc(100vh - 250px); margin-top: 22px; }
.month-day { min-height: clamp(104px, 13vh, 154px); padding: 10px; }
.date-summary { font-size: 0.72rem; line-height: 1.45; }
.year-grid { grid-template-columns: repeat(4, minmax(220px, 1fr)); gap: clamp(14px, 1.5vw, 22px); }
.week-view { grid-template-columns: repeat(7, minmax(0, 1fr)); gap: clamp(6px, 0.7vw, 12px); overflow: visible; padding-bottom: 0; }
.week-day { min-width: 0; min-height: calc(100vh - 276px); padding: clamp(8px, 0.8vw, 12px); }
.week-day .calendar-item { grid-template-columns: minmax(0, 1fr); gap: 4px; padding: 8px; }
.week-day .item-symbol { display: none; }
.week-day .item-title { font-size: clamp(0.72rem, 0.78vw, 0.84rem); }
.calendar-item-title-line {
  display: block;
  min-width: 0;
}
.calendar-item-title-line .item-title {
  display: block;
  min-width: 0;
}
.calendar-item-content {
  display: block;
  min-width: 0;
}
.calendar-task-badges {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 5px;
  min-width: 0;
  margin-top: 6px;
}
.calendar-status-badge,
.calendar-label-badge {
  max-width: min(100%, 16rem);
  overflow: visible;
  overflow-wrap: anywhere;
  text-overflow: clip;
  white-space: normal;
}
.day-number {
  font-size: 0.95rem;
  font-variant-numeric: tabular-nums;
  font-weight: 750;
}
.week-day-header strong,
.day-heading strong,
.date-navigation h2 {
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}
.week-day-header strong { font-size: 1.18rem; }
.day-heading strong { font-family: var(--display-font); font-size: 1.52rem; font-optical-sizing: auto; letter-spacing: -0.018em; }
.event-dot { background: var(--event-color); }
.calendar-item.event-item { border-left-color: var(--event-color); }
.event-item .item-symbol { color: var(--event-color); }
.icon-button svg,
.dialog-close svg,
.task-edit-close svg,
.profile-close svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.icon-button { display: grid; place-items: center; }
.calendar-item,
.task-stack-toggle { border-left-width: 1px; }
.item-symbol { position: relative; width: 18px; height: 18px; margin-top: 1px; padding: 0; }
.item-symbol::before { position: absolute; inset: 3px; content: ""; border: 2px solid currentColor; border-radius: 50%; }
.item-symbol.is-complete::after { position: absolute; top: 4px; left: 5px; width: 8px; height: 4px; content: ""; border-bottom: 2px solid currentColor; border-left: 2px solid currentColor; transform: rotate(-45deg); }
.item-symbol.is-complete::before { display: none; }
.item-symbol.is-event::before { inset: 4px; background: currentColor; border: 0; }
.item-symbol.is-holiday::before { inset: 4px; border-radius: 2px; transform: rotate(45deg); }
.task-stack-icon svg { display: block; width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.task-stack-chevron::before { width: 6px; height: 6px; content: ""; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: translateY(-2px) rotate(45deg); transition: transform 180ms ease; }
.task-stack-chevron.up::before { transform: translateY(2px) rotate(225deg); }
.completed-item { background: color-mix(in srgb, var(--paper) 72%, #7e90ab); border-left-color: #7e90ab; }
.editor-dialog { width: min(94vw, 720px); }
.dialog-card { padding: 28px; border-radius: 16px; box-shadow: 0 28px 80px rgba(15, 35, 68, 0.22); }
.dialog-heading h2 { font-size: 1.55rem; font-weight: 750; letter-spacing: -0.025em; }
.entry-tabs button.active { background: var(--accent); }

/* Account surfaces share the same visual language. */
.auth-stage { background: var(--shell-background); }
.auth-card {
  border-radius: 22px;
  border-color: color-mix(in srgb, var(--shell-accent) 16%, transparent);
  box-shadow: none;
}
.recovery-card h1,
.profile-heading h2 { font-family: inherit; font-weight: 760; letter-spacing: -0.045em; }
.auth-brand h1 { font-size: 3.4rem; line-height: 1.05; }
.auth-eyebrow { color: var(--shell-accent) !important; letter-spacing: 0.08em; }
.auth-tabs button.active,
.auth-primary,
.profile-primary { color: #fff; background: var(--shell-accent); }
:root[data-theme="dark"] .auth-primary { color: #081428; }
.account-menu-button,
.account-menu,
.profile-card { border-color: color-mix(in srgb, var(--shell-accent) 18%, transparent); }
.account-menu button:hover { background: color-mix(in srgb, var(--shell-accent) 14%, transparent); }

@media (max-width: 1180px) {
  .year-grid { grid-template-columns: repeat(3, minmax(210px, 1fr)); }
  .week-day .task-stack-icon,
  .week-day .task-stack-hint { display: none; }
}

@media (max-width: 900px) {
  .calendar-shell { width: calc(100% - 20px); min-height: calc(100vh - 20px); margin: 10px; }
  .week-view { grid-template-columns: repeat(7, minmax(132px, 1fr)); overflow-x: auto; padding-bottom: 8px; }
  .year-grid { grid-template-columns: repeat(2, minmax(210px, 1fr)); }
}

@media (max-width: 720px),
  (max-width: 920px) and (max-height: 520px) and (orientation: landscape) and (pointer: coarse) {
  .app-shell { padding: 0; }
  .todo-card { width: 100%; min-height: 100vh; padding: 28px 20px 44px; border: 0; border-radius: 0; box-shadow: none; }
  .card-header {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "title actions"
      "tagline tagline";
    align-items: center;
  }
  .list-title {
    grid-area: title;
    font-size: clamp(2.55rem, 12vw, 3.25rem);
  }
  .list-tagline {
    grid-area: tagline;
    grid-column: 1 / -1;
    max-width: 34ch;
    font-size: 0.9rem;
  }
  .list-heading h1 { font-size: 1.5rem; }
  .task-title-line,
  .calendar-item-title-line { column-gap: 7px; }
  .task-date { font-size: 0.84rem; }
  .title-meta {
    grid-area: actions;
    place-self: center end;
    min-height: 44px;
    margin: 0;
  }
  .title-actions {
    min-height: 44px;
    align-items: center;
  }
  .calendar-link,
  .toggle-composer { min-height: 44px; }
  .composer-region:not(.collapsed) { grid-column: 1 / -1; }
  .preview-section { padding: 18px; }
  .preview-list,
  .preview-item,
  .preview-fields,
  .preview-field,
  .date-field { min-width: 0; }
  .preview-section,
  .preview-list,
  .preview-item,
  .preview-fields {
    width: 100%;
    max-width: 100%;
  }
  .preview-item { padding: 16px; }
  .preview-fields {
    grid-template-columns: minmax(0, 1fr);
    align-items: stretch;
  }
  .preview-emoji,
  .title-field,
  .subject-field,
  .label-field,
  .date-field,
  .remove-preview {
    grid-column: 1;
    grid-row: auto;
  }
  .preview-emoji {
    align-self: start;
    padding: 0;
  }
  .preview-field input {
    min-width: 0;
    max-width: 100%;
  }
  .date-field { width: 100%; }
  .todo-card input[type="date"],
  .task-edit-card input[type="date"] {
    display: block;
    width: 100% !important;
    min-width: 0 !important;
    max-width: 100% !important;
    -webkit-min-logical-width: 0;
    box-sizing: border-box !important;
  }
  .todo-card input[type="date"]::-webkit-date-and-time-value,
  .task-edit-card input[type="date"]::-webkit-date-and-time-value {
    min-width: 0;
    text-align: start;
  }
  @supports (-webkit-touch-callout: none) {
    .date-field input[type="date"] {
      -webkit-appearance: none;
      appearance: none;
    }
  }
  .calendar-shell { width: 100%; min-height: 100vh; margin: 0; padding: 24px 18px 40px; border: 0; border-radius: 0; box-shadow: none; }
  .calendar-header {
    align-items: center;
    gap: 12px;
  }
  .calendar-brand {
    min-width: 0;
    align-items: center;
    flex-direction: row;
    gap: 12px;
  }
  .calendar-brand > div { min-width: 0; }
  .calendar-brand h1 {
    margin: 0;
    font-size: clamp(1.7rem, 8vw, 2.15rem);
    white-space: nowrap;
  }
  .back-link {
    flex: 0 0 44px;
    width: 44px;
    height: 44px;
    justify-content: center;
    padding: 0;
  }
  .back-link span { display: none; }
  .add-event-button {
    min-height: 44px;
    flex: 0 0 auto;
    white-space: nowrap;
  }
  .calendar-stage { min-height: 0; }
}

@media (max-width: 620px) {
  .year-grid { grid-template-columns: 1fr; }
  .dialog-card { padding: 22px 18px; }
  .auth-brand h1 { font-size: 2.8rem; }
}

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

/* Desktop downloads are intentionally absent from touch/mobile navigation. */
@media (hover: none) and (pointer: coarse) { [data-desktop-only] { display: none !important; } }

.is-mobile-device [data-desktop-only], [data-desktop-only][hidden] { display: none !important; }