/* ============================================================================
   Page-specific composition: landing, dashboard, task list, calendar, admin.
   ========================================================================== */

/* --- landing ------------------------------------------------------------- */

.landing__nav {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  max-width: var(--content-max);
  margin: 0 auto;
  padding: var(--space-5);
}

.landing__hero {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: var(--space-16) var(--space-5) var(--space-12);
  text-align: center;
}

.landing__hero h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  letter-spacing: -0.03em;
  max-width: 18ch;
  margin: 0 auto var(--space-4);
}

.landing__hero p {
  max-width: 56ch;
  margin: 0 auto var(--space-8);
  color: var(--text-muted);
  font-size: var(--text-lg);
}

.landing__cta { display: flex; gap: var(--space-3); justify-content: center; flex-wrap: wrap; }

.landing__features {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--space-5) var(--space-16);
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.feature { padding: var(--space-6); }
.feature h3 { font-size: var(--text-md); margin-bottom: var(--space-2); }
.feature p { color: var(--text-muted); font-size: var(--text-sm); }

.feature__icon {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--accent-soft);
  color: var(--accent-text);
  margin-bottom: var(--space-4);
}

.demo-credentials {
  max-width: 720px;
  margin: 0 auto var(--space-12);
  padding: var(--space-5);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-lg);
  background: var(--bg-subtle);
  font-size: var(--text-sm);
}

/* --- dashboard ----------------------------------------------------------- */

.stat-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  margin-bottom: var(--space-6);
}

.stat {
  padding: var(--space-4) var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.stat__label {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.stat__value {
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  color: var(--text-strong);
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}

.stat__meta { font-size: var(--text-xs); color: var(--text-faint); }
.stat--danger .stat__value { color: var(--danger); }
.stat--warning .stat__value { color: var(--warning); }
.stat--success .stat__value { color: var(--success); }

.dashboard-grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  align-items: start;
}

@media (max-width: 1000px) {
  .dashboard-grid { grid-template-columns: minmax(0, 1fr); }
}

.completion {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  padding: var(--space-5);
}

.completion__figure { position: relative; flex: none; }

.completion__percent {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  color: var(--text-strong);
  font-variant-numeric: tabular-nums;
}

/* --- charts (hand-written SVG, theme aware) ------------------------------ */

.chart { width: 100%; }
.chart__bars { display: flex; align-items: flex-end; gap: 3px; height: 120px; }

.chart__bar {
  flex: 1 1 0;
  min-width: 4px;
  background: var(--accent);
  border-radius: 3px 3px 0 0;
  opacity: 0.85;
  transition: opacity var(--duration-fast) var(--ease);
}

.chart__bar:hover { opacity: 1; }
.chart__bar--empty { background: var(--bg-inset); }

.chart__axis {
  display: flex;
  justify-content: space-between;
  margin-top: var(--space-2);
  font-size: var(--text-2xs);
  color: var(--text-faint);
}

.chart-legend { display: flex; flex-direction: column; gap: var(--space-2); }

.chart-legend__item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
}

.chart-legend__swatch { width: 10px; height: 10px; border-radius: 3px; flex: none; }

.chart-legend__bar {
  flex: 1 1 auto;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--bg-inset);
  overflow: hidden;
}

.chart-legend__fill { height: 100%; border-radius: var(--radius-full); }

.chart-legend__value {
  font-variant-numeric: tabular-nums;
  color: var(--text-muted);
  font-size: var(--text-xs);
  min-width: 2ch;
  text-align: right;
}

/* --- task list ----------------------------------------------------------- */

.filter-bar {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: minmax(200px, 2fr) repeat(auto-fit, minmax(140px, 1fr));
  align-items: end;
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--border);
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border-bottom: 1px solid var(--border);
  background: var(--bg-subtle);
}

.bulk-bar {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  padding: var(--space-3) var(--space-5);
  border-bottom: 1px solid var(--border);
  background: var(--accent-soft);
}

.bulk-bar[hidden] { display: none; }
.bulk-bar__count { font-size: var(--text-sm); font-weight: var(--weight-semibold); color: var(--accent-text); }

.task-list { display: flex; flex-direction: column; }

.task-row {
  display: grid;
  grid-template-columns: auto auto minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  border-bottom: 1px solid var(--border);
  transition: background var(--duration-fast) var(--ease);
}

.task-row:last-child { border-bottom: none; }
.task-row:hover { background: var(--bg-hover); }
.task-row.is-selected { background: var(--accent-soft); }

.task-row__check { width: 16px; height: 16px; accent-color: var(--accent); cursor: pointer; }

.task-row__toggle {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid var(--border-strong);
  background: transparent;
  color: transparent;
  cursor: pointer;
  padding: 0;
  transition: all var(--duration-fast) var(--ease);
}

.task-row__toggle:hover { border-color: var(--success); color: var(--success); }

.task-row__toggle[aria-pressed="true"] {
  background: var(--success);
  border-color: var(--success);
  color: #fff;
}

.task-row__main { min-width: 0; display: flex; flex-direction: column; gap: 2px; }

.task-row__title {
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  color: var(--text-strong);
}

.task-row__title:hover { color: var(--accent-text); }

.task-row.is-done .task-row__title {
  text-decoration: line-through;
  color: var(--text-faint);
}

.task-row__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.task-row__meta > span { display: inline-flex; align-items: center; gap: var(--space-1); }
.task-row__due--overdue { color: var(--danger); font-weight: var(--weight-semibold); }
.task-row__due--today { color: var(--warning); font-weight: var(--weight-semibold); }
.task-row__actions { display: flex; align-items: center; gap: var(--space-1); }

@media (max-width: 720px) {
  .task-row { grid-template-columns: auto auto minmax(0, 1fr); row-gap: var(--space-2); }
  .task-row__actions { grid-column: 1 / -1; justify-content: flex-end; }
  .filter-bar { grid-template-columns: minmax(0, 1fr); }
}

/* --- task detail --------------------------------------------------------- */

.detail-grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  align-items: start;
}

@media (max-width: 900px) {
  .detail-grid { grid-template-columns: minmax(0, 1fr); }
}

.meta-list { display: flex; flex-direction: column; gap: var(--space-3); }

.meta-list__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  font-size: var(--text-sm);
}

.meta-list__label { color: var(--text-muted); }

.timeline { display: flex; flex-direction: column; gap: var(--space-4); position: relative; }

.timeline__item {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: var(--space-3);
  font-size: var(--text-sm);
}

.timeline__dot {
  width: 9px;
  height: 9px;
  margin-top: 6px;
  margin-left: 7px;
  border-radius: 50%;
  background: var(--accent);
  flex: none;
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.comment {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--border);
}

.comment:last-of-type { border-bottom: none; }
.comment__body { white-space: pre-wrap; word-break: break-word; }

/* --- categories ---------------------------------------------------------- */

.category-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}

.category-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-5);
  border-top: 3px solid var(--accent);
}

.category-card__name { font-size: var(--text-md); font-weight: var(--weight-semibold); color: var(--text-strong); }

/* --- calendar ------------------------------------------------------------ */

.calendar__weekdays {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  border-bottom: 1px solid var(--border);
  background: var(--bg-subtle);
}

.calendar__weekday {
  padding: var(--space-2);
  text-align: center;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.calendar__grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
}

.calendar__day {
  min-height: 116px;
  padding: var(--space-2);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  position: relative;
}

.calendar__day:nth-child(7n) { border-right: none; }
.calendar__day--outside { background: var(--bg-subtle); opacity: 0.6; }
.calendar__day--today { background: var(--accent-soft); }
.calendar__day--overdue { box-shadow: inset 3px 0 0 var(--danger); }

.calendar__daynum {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--text-muted);
}

.calendar__day--today .calendar__daynum { color: var(--accent-text); }

.calendar__add {
  opacity: 0;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0 2px;
  line-height: 1;
  font-size: var(--text-md);
  text-decoration: none;
}

.calendar__day:hover .calendar__add,
.calendar__add:focus-visible { opacity: 1; }

.calendar__event {
  display: block;
  padding: 2px var(--space-2);
  border-radius: var(--radius-sm);
  font-size: var(--text-2xs);
  line-height: 1.4;
  background: var(--bg-inset);
  color: var(--text-body);
  border-left: 3px solid var(--priority-medium);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.calendar__event:hover { text-decoration: none; background: var(--bg-hover); }
.calendar__event--low { border-left-color: var(--priority-low); }
.calendar__event--medium { border-left-color: var(--priority-medium); }
.calendar__event--high { border-left-color: var(--priority-high); }
.calendar__event--critical { border-left-color: var(--priority-critical); }
.calendar__event--done { opacity: 0.55; text-decoration: line-through; }
.calendar__more { font-size: var(--text-2xs); color: var(--text-faint); padding-left: var(--space-2); }

/* Below 720px the grid becomes an agenda list rather than seven squeezed columns. */
.calendar__agenda { display: none; }

@media (max-width: 720px) {
  .calendar__weekdays, .calendar__grid { display: none; }
  .calendar__agenda { display: flex; flex-direction: column; }

  .agenda__day {
    display: grid;
    grid-template-columns: 56px minmax(0, 1fr);
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--border);
  }

  .agenda__date { text-align: center; }
  .agenda__date strong { display: block; font-size: var(--text-lg); color: var(--text-strong); }
  .agenda__date span { font-size: var(--text-2xs); color: var(--text-muted); text-transform: uppercase; }
  .agenda__items { display: flex; flex-direction: column; gap: var(--space-2); min-width: 0; }
}

/* --- notifications ------------------------------------------------------- */

.notification-row {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr) auto;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--border);
  align-items: start;
}

.notification-row:last-child { border-bottom: none; }
.notification-row--unread { background: var(--accent-soft); }

.notification-row__icon {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: var(--bg-inset);
  color: var(--text-muted);
}

.notification-row--unread .notification-row__icon { background: var(--bg-surface); color: var(--accent-text); }
.notification-row__title { font-weight: var(--weight-semibold); color: var(--text-strong); font-size: var(--text-sm); }
.notification-row__message { font-size: var(--text-sm); color: var(--text-muted); }

/* --- settings and forms -------------------------------------------------- */

.form-grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
}

.form-grid--single { grid-template-columns: minmax(0, 1fr); }
.form-grid__full { grid-column: 1 / -1; }

@media (max-width: 720px) {
  .form-grid { grid-template-columns: minmax(0, 1fr); }
}

.settings-nav {
  display: flex;
  gap: var(--space-1);
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--space-6);
  overflow-x: auto;
}

.settings-nav__link {
  padding: var(--space-3) var(--space-4);
  color: var(--text-muted);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}

.settings-nav__link:hover { color: var(--text-strong); text-decoration: none; }

.settings-nav__link.is-active {
  color: var(--accent-text);
  border-bottom-color: var(--accent);
}

.theme-options { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); }

.theme-option {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-2);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: var(--text-sm);
  text-align: center;
}

.theme-option:has(input:checked) {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent-text);
  font-weight: var(--weight-semibold);
}

.theme-option input { position: absolute; opacity: 0; pointer-events: none; }

.danger-zone {
  border-color: var(--danger);
  background: var(--danger-soft);
}

.danger-zone .card__title { color: var(--danger); }

/* --- error pages --------------------------------------------------------- */

.error-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: var(--space-8) var(--space-4);
  text-align: center;
}

.error-page__code {
  font-size: clamp(3.5rem, 12vw, 6rem);
  font-weight: var(--weight-bold);
  line-height: 1;
  color: var(--accent);
  letter-spacing: -0.04em;
}

.error-page__body { max-width: 46ch; margin: var(--space-4) auto var(--space-8); color: var(--text-muted); }

.error-page__ref {
  display: inline-block;
  margin-top: var(--space-6);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  background: var(--bg-inset);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-muted);
  word-break: break-all;
}