/* ═══ Смена рядом — стили ═══
   Mobile-first, светлая/тёмная тема через prefers-color-scheme,
   только системные шрифты, без внешних зависимостей. */

:root {
  --bg: #faf6f1;
  --surface: #ffffff;
  --surface-raised: #ffffff;
  --text: #2b2620;
  --text-muted: #6f6659;
  --border: #e7ded2;
  --accent: #b95f45;
  --accent-contrast: #ffffff;
  --focus-ring: #b95f45;

  --work: #3f5fc4;
  --work-soft: #e8edfb;
  --work-card-from: #e6ecfc;
  --work-card-to: #f6f8ff;
  --work-text: #2d449a;

  --rest: #2e8f63;
  --rest-soft: #e2f4ea;
  --rest-card-from: #ddf3e7;
  --rest-card-to: #f3fbf7;
  --rest-text: #1f6b48;

  --danger: #b3402e;
  --shadow: 0 2px 10px rgba(87, 70, 52, 0.08), 0 8px 30px rgba(87, 70, 52, 0.06);
  --radius: 18px;
  --radius-small: 12px;
  --nav-height: 64px;

  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1c1917;
    --surface: #262220;
    --surface-raised: #2d2926;
    --text: #ece7e0;
    --text-muted: #a89f93;
    --border: #3a3531;
    --accent: #e08b6d;
    --accent-contrast: #241611;
    --focus-ring: #e08b6d;

    --work: #8ba3f0;
    --work-soft: #2a3252;
    --work-card-from: #272f4d;
    --work-card-to: #232838;
    --work-text: #b6c5f7;

    --rest: #5cc294;
    --rest-soft: #1e3b2d;
    --rest-card-from: #1d3a2c;
    --rest-card-to: #1f2c25;
    --rest-text: #8fd9b6;

    --danger: #e07a66;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.35), 0 8px 30px rgba(0, 0, 0, 0.25);

    color-scheme: dark;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family:
    system-ui,
    -apple-system,
    'Segoe UI',
    Roboto,
    'Helvetica Neue',
    Arial,
    sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100dvh;
  padding-bottom: calc(var(--nav-height) + env(safe-area-inset-bottom, 0px));
}

/* ─── Доступность ─── */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -48px;
  left: 12px;
  z-index: 100;
  background: var(--accent);
  color: var(--accent-contrast);
  padding: 10px 16px;
  border-radius: var(--radius-small);
  text-decoration: none;
  transition: top 0.15s ease;
}

.skip-link:focus {
  top: 12px;
}

:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 2px;
  border-radius: 4px;
}

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

/* ─── Шапка ─── */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 20px calc(14px);
  padding-top: calc(14px + env(safe-area-inset-top, 0px));
  max-width: 680px;
  margin: 0 auto;
}

.app-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
}

.brand-icon {
  width: 26px;
  height: 26px;
  fill: var(--accent);
  flex-shrink: 0;
}

/* ─── Основная область ─── */
.app-main {
  max-width: 680px;
  margin: 0 auto;
  padding: 4px 16px 32px;
}

.view {
  animation: view-in 0.25s ease;
}

@keyframes view-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.section-title {
  font-size: 1.5rem;
  margin: 8px 4px 16px;
}

/* ─── Карточка «Сегодня» ─── */
.today-card {
  border-radius: calc(var(--radius) + 6px);
  padding: 28px 24px 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.today-card[data-status='work'] {
  background: linear-gradient(160deg, var(--work-card-from), var(--work-card-to));
}

.today-card[data-status='rest'] {
  background: linear-gradient(160deg, var(--rest-card-from), var(--rest-card-to));
}

.today-date {
  margin: 0 0 4px;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.today-date::first-letter {
  text-transform: uppercase;
}

.today-status {
  margin: 0 0 14px;
  font-size: clamp(1.7rem, 6.5vw, 2.3rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.today-card[data-status='work'] .today-status {
  color: var(--work-text);
}

.today-card[data-status='rest'] .today-status {
  color: var(--rest-text);
}

.status-badge {
  display: inline-block;
  margin: 0;
  padding: 6px 14px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
}

.today-card[data-status='work'] .today-day-number,
.status-badge[data-status='work'] {
  background: var(--work-soft);
  color: var(--work-text);
}

.today-card[data-status='rest'] .today-day-number,
.status-badge[data-status='rest'] {
  background: var(--rest-soft);
  color: var(--rest-text);
}

.today-details {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  display: grid;
  gap: 6px;
}

.today-detail-line {
  margin: 0;
  font-size: 1.05rem;
}

.offline-note {
  margin: 14px 4px 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ─── Карточки и кнопки ─── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  margin-bottom: 16px;
}

.card-title {
  margin: 0 0 14px;
  font-size: 1.15rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 18px;
  border-radius: var(--radius-small);
  border: 1px solid var(--border);
  background: var(--surface-raised);
  color: var(--text);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition:
    background 0.15s ease,
    transform 0.1s ease;
}

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

.button:active {
  transform: scale(0.98);
}

.button-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-contrast);
}

.button-primary:hover {
  background: var(--accent);
  filter: brightness(1.06);
}

.button-danger {
  color: var(--danger);
  border-color: color-mix(in srgb, var(--danger) 40%, var(--border));
}

.button-small {
  min-height: 38px;
  padding: 6px 14px;
  font-size: 0.9rem;
}

.button-icon {
  min-width: 44px;
  min-height: 44px;
  padding: 8px;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 12px;
}

.icon {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

/* ─── Календарь ─── */
.calendar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin: 4px 0 8px;
}

.calendar-title {
  margin: 0;
  font-size: 1.3rem;
  text-align: center;
  flex: 1;
}

.calendar-title::first-letter {
  text-transform: uppercase;
}

.calendar-toolbar {
  display: flex;
  justify-content: center;
  margin-bottom: 12px;
}

.calendar-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
  margin-bottom: 6px;
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 600;
  text-align: center;
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}

.calendar-day {
  aspect-ratio: 1 / 1;
  min-height: 44px;
  border-radius: var(--radius-small);
  border: 1px solid transparent;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1px;
  font: inherit;
  cursor: pointer;
  padding: 2px;
  background: var(--surface);
  color: var(--text);
  transition: transform 0.1s ease;
}

.calendar-day:active {
  transform: scale(0.95);
}

.calendar-day[data-status='work'] {
  background: var(--work-soft);
  color: var(--work-text);
}

.calendar-day[data-status='rest'] {
  background: var(--rest-soft);
  color: var(--rest-text);
}

.calendar-day[data-today='true'] {
  border: 2px solid var(--accent);
  font-weight: 800;
}

.calendar-day-number {
  font-size: 1rem;
  font-weight: 650;
  line-height: 1.1;
}

.calendar-day-cycle {
  font-size: 0.66rem;
  opacity: 0.85;
  line-height: 1;
}

.calendar-empty {
  aspect-ratio: 1 / 1;
  min-height: 44px;
}

.calendar-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-top: 16px;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.legend-swatch {
  width: 16px;
  height: 16px;
  border-radius: 5px;
  display: inline-block;
}

.legend-work {
  background: var(--work-soft);
  border: 1px solid var(--work);
}

.legend-rest {
  background: var(--rest-soft);
  border: 1px solid var(--rest);
}

.legend-today {
  background: var(--surface);
  border: 2px solid var(--accent);
}

/* ─── Настройки ─── */
.settings-card .field {
  margin-bottom: 16px;
}

.field label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
}

.field input,
.field select {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  font: inherit;
  color: var(--text);
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-small);
}

.field-hint {
  margin: 8px 0 0;
  font-size: 0.86rem;
  color: var(--text-muted);
}

.checkbox-field {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 14px 0 6px;
  cursor: pointer;
  min-height: 44px;
}

.checkbox-field input {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  accent-color: var(--accent);
}

.notif-status {
  margin: 0 0 12px;
  padding: 10px 14px;
  border-radius: var(--radius-small);
  background: var(--bg);
  border: 1px solid var(--border);
  font-size: 0.95rem;
}

.danger-card {
  border-color: color-mix(in srgb, var(--danger) 25%, var(--border));
}

.plain-list {
  margin: 0;
  padding-left: 20px;
  display: grid;
  gap: 6px;
}

/* ─── Нижняя навигация ─── */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: calc(var(--nav-height) + env(safe-area-inset-bottom, 0px));
  padding-bottom: env(safe-area-inset-bottom, 0px);
  background: var(--surface);
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-around;
  align-items: stretch;
  z-index: 50;
}

.nav-link {
  flex: 1;
  max-width: 160px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 600;
}

.nav-link[aria-current='page'] {
  color: var(--accent);
}

/* ─── Диалоги ─── */
.dialog {
  border: none;
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow);
  padding: 24px;
  width: min(420px, calc(100vw - 32px));
}

.dialog::backdrop {
  background: rgba(20, 15, 10, 0.45);
}

.dialog-title {
  margin: 0 0 12px;
  font-size: 1.2rem;
}

.dialog-title::first-letter {
  text-transform: uppercase;
}

.dialog-details {
  margin: 16px 0 20px;
  display: grid;
  gap: 10px;
}

.dialog-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.dialog-row dt {
  color: var(--text-muted);
}

.dialog-row dd {
  margin: 0;
  font-weight: 600;
  text-align: right;
}

/* ─── Тосты ─── */
.toast-region {
  position: fixed;
  bottom: calc(var(--nav-height) + env(safe-area-inset-bottom, 0px) + 12px);
  left: 50%;
  transform: translateX(-50%);
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: min(420px, calc(100vw - 32px));
  pointer-events: none;
}

.toast {
  background: var(--surface-raised);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-small);
  box-shadow: var(--shadow);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  pointer-events: auto;
  animation: toast-in 0.2s ease;
}

.toast strong {
  display: block;
}

.toast-error {
  border-color: color-mix(in srgb, var(--danger) 45%, var(--border));
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ─── Планшет и десктоп ─── */
@media (min-width: 720px) {
  body {
    padding-bottom: 24px;
  }

  .bottom-nav {
    position: sticky;
    top: 0;
    bottom: auto;
    order: -1;
    height: 56px;
    border-top: none;
    border-bottom: 1px solid var(--border);
    justify-content: center;
    gap: 8px;
  }

  body {
    display: flex;
    flex-direction: column;
  }

  .nav-link {
    flex-direction: row;
    gap: 8px;
    font-size: 0.95rem;
    padding: 0 18px;
  }

  .toast-region {
    bottom: 24px;
  }

  .today-card {
    padding: 36px 32px 30px;
  }
}