/* ============================================
   ПН — График дежурств (Вариант 2)
   Изменения от v1:
   - Легенда: квадратные метки, крупнее
   - Будни: голубая подсветка
   - Выходные: тёплый бежевый чуть интенсивнее
   - Экран "Спасибо" после отправки
   - Блок "Ещё варианты" с чекбоксами
   ============================================ */

:root, [data-theme="light"] {
  /* Type scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Colors — light */
  --color-bg: #f4f6f9;
  --color-surface: #ffffff;
  --color-surface-2: #f9fafc;
  --color-surface-offset: #eef2f7;
  --color-border: #dde3ec;
  --color-divider: #e6ebf2;

  --color-text: #0f2137;
  --color-text-muted: #5a6b81;
  --color-text-faint: #96a2b3;
  --color-text-inverse: #ffffff;

  /* Primary — глубокий сине-стальной СПб */
  --color-primary: #0b3d5c;
  --color-primary-hover: #0a3350;
  --color-primary-active: #082a41;
  --color-primary-highlight: #e0eaf2;

  /* Short — бирюзово-мятный */
  --color-short: #0e9d92;
  --color-short-hover: #0b877e;
  --color-short-soft: #d6f2ee;
  --color-short-border: #a4dfd8;

  /* Long — оранжево-коралловый */
  --color-long: #d97438;
  --color-long-hover: #c15f28;
  --color-long-soft: #fbe6d7;
  --color-long-border: #f0c0a0;

  /* Success */
  --color-success: #2e7d32;
  --color-success-soft: #e5f4e6;

  /* Календарные фоны дней */
  --color-day-weekday-bg: #e6f0f9;      /* голубой для будней */
  --color-day-weekday-hover: #d5e5f3;
  --color-day-weekend-bg: #f4ecdb;      /* тёплый бежевый для выходных, чуть интенсивнее v1 */
  --color-day-weekend-hover: #ecdfc4;
  --color-weekend-text: #a97030;        /* коричневатый на тёплом фоне */

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(15, 33, 55, 0.06);
  --shadow-md: 0 4px 12px rgba(15, 33, 55, 0.08);
  --shadow-lg: 0 12px 32px rgba(15, 33, 55, 0.12);
  --shadow-sheet: 0 -8px 32px rgba(15, 33, 55, 0.16);

  --transition-fast: 150ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-interactive: 200ms cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="dark"] {
  --color-bg: #0d1620;
  --color-surface: #14202d;
  --color-surface-2: #182838;
  --color-surface-offset: #1e2f42;
  --color-border: #263a52;
  --color-divider: #1f3145;

  --color-text: #e6ecf2;
  --color-text-muted: #90a0b5;
  --color-text-faint: #5e7086;
  --color-text-inverse: #0f2137;

  --color-primary: #4b93c4;
  --color-primary-hover: #67a5d0;
  --color-primary-active: #7cb4d8;
  --color-primary-highlight: #1e3852;

  --color-short: #35c4b7;
  --color-short-hover: #4bd0c3;
  --color-short-soft: #133831;
  --color-short-border: #1f5b52;

  --color-long: #f0a06a;
  --color-long-hover: #f2b483;
  --color-long-soft: #3d2115;
  --color-long-border: #6b3b21;

  --color-day-weekday-bg: #1c3448;
  --color-day-weekday-hover: #244560;
  --color-day-weekend-bg: #3a2f1e;
  --color-day-weekend-hover: #4a3d27;
  --color-weekend-text: #e6b57a;

  --color-success: #4caf50;
  --color-success-soft: #1a2e1c;
}

/* ============ Base ============ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
}

body {
  font-family: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: var(--text-base);
  line-height: 1.5;
  color: var(--color-text);
  background: var(--color-bg);
  min-height: 100dvh;
  min-height: 100vh;
  -webkit-tap-highlight-color: transparent;
}

button {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ============ App layout ============ */
.app {
  max-width: 560px;
  margin: 0 auto;
  padding: var(--space-4);
  padding-bottom: var(--space-16);
}

/* ============ Header ============ */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-4) 0 var(--space-6);
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.logo-mark {
  width: 36px;
  height: 36px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.header__brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.header__title {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.2;
}

.header__subtitle {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.2;
}

.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--color-surface);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.theme-toggle:hover {
  color: var(--color-primary);
  background: var(--color-surface-offset);
}

/* ============ Employee card ============ */
.employee {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  margin-bottom: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.employee__row {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.employee__field {
  flex: 1;
  min-width: 120px;
}

.employee__label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: 2px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
}

.employee__value {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
}

.employee__value--accent {
  color: var(--color-primary);
}

/* ============ Instruction ============ */
.instruction {
  padding: 0 var(--space-1) var(--space-5);
}

.instruction p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: var(--space-4);
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.legend__item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text);
  font-weight: 500;
}

/* ==== Mark (квадратная метка вместо круга) ==== */
.mark {
  width: 20px;
  height: 20px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  display: inline-block;
}

.mark--sm {
  width: 14px;
  height: 14px;
  border-radius: 4px;
}

.mark--short {
  background: var(--color-short);
}

.mark--long {
  background: var(--color-long);
}

.mark--free {
  background: transparent;
  border: 2px solid var(--color-border);
}

/* ============ Calendar ============ */
.calendar {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  margin-bottom: var(--space-4);
  box-shadow: var(--shadow-sm);
}

.calendar__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.calendar__nav {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--color-surface-offset);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.calendar__nav:hover:not(:disabled) {
  background: var(--color-primary-highlight);
  color: var(--color-primary);
}

.calendar__nav:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.calendar__month {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  text-transform: capitalize;
  text-align: center;
  flex: 1;
}

.calendar__weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: var(--space-1);
  margin-bottom: var(--space-2);
}

.calendar__weekdays > div {
  text-align: center;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: 600;
  padding: var(--space-2) 0;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.calendar__weekdays .wknd {
  color: var(--color-weekend-text);
}

.calendar__grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: var(--space-1);
}

.day {
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-md);
  background: var(--color-day-weekday-bg);
  border: 1.5px solid transparent;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  position: relative;
  transition: transform var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
  padding: 4px;
  min-height: 44px;
}

.day--weekend {
  background: var(--color-day-weekend-bg);
}

.day:hover:not(.day--empty):not(.day--past):not(:disabled) {
  transform: scale(1.05);
  background: var(--color-day-weekday-hover);
  z-index: 1;
}

.day--weekend:hover:not(.day--empty):not(.day--past):not(:disabled) {
  background: var(--color-day-weekend-hover);
}

.day:active:not(.day--empty):not(.day--past):not(:disabled) {
  transform: scale(0.96);
}

.day--empty {
  background: transparent;
  cursor: default;
}

.day--past {
  opacity: 0.35;
  cursor: not-allowed;
}

.day__num {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  line-height: 1;
}

.day--weekend .day__num {
  color: var(--color-weekend-text);
}

.day__mark {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1;
  text-transform: uppercase;
}

.day--today {
  border-color: var(--color-primary);
}

.day--today .day__num::after {
  content: '';
  display: block;
  width: 4px;
  height: 4px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  margin: 3px auto 0;
}

.day--short {
  background: var(--color-short-soft);
  border-color: var(--color-short-border);
}

.day--short:hover:not(:disabled) {
  background: var(--color-short-soft) !important;
}

.day--short .day__num,
.day--short .day__mark {
  color: var(--color-short);
}

.day--long {
  background: var(--color-long-soft);
  border-color: var(--color-long-border);
}

.day--long:hover:not(:disabled) {
  background: var(--color-long-soft) !important;
}

.day--long .day__num,
.day--long .day__mark {
  color: var(--color-long);
}

/* Отключаем календарь если "в этом месяце не могу" */
.calendar.is-disabled .day:not(.day--empty) {
  opacity: 0.35;
  pointer-events: none;
}

/* ============ Summary ============ */
.summary {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-around;
  gap: var(--space-2);
}

.summary__stat {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.summary__count {
  font-size: var(--text-xl);
  font-weight: 700;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.summary__count--short { color: var(--color-short); }
.summary__count--long { color: var(--color-long); }
.summary__count--total { color: var(--color-primary); }

.summary__label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
}

.summary__divider {
  width: 1px;
  height: 32px;
  background: var(--color-divider);
}

/* ============ Selected days ============ */
.selected {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  margin-bottom: var(--space-4);
}

.selected__title {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
  margin-bottom: var(--space-3);
}

.selected__group {
  margin-bottom: var(--space-3);
}

.selected__group:last-child {
  margin-bottom: 0;
}

.selected__group-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.selected__chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.chip {
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.chip--short {
  background: var(--color-short-soft);
  color: var(--color-short);
  border: 1px solid var(--color-short-border);
}

.chip--long {
  background: var(--color-long-soft);
  color: var(--color-long);
  border: 1px solid var(--color-long-border);
}

/* ============ Extras (checkboxes) ============ */
.extras {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  margin-bottom: var(--space-4);
}

.extras__title {
  font-size: var(--text-sm);
  color: var(--color-text);
  font-weight: 700;
  margin-bottom: var(--space-3);
}

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

.check {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-fast);
  min-height: 40px;
}

.check:hover {
  background: var(--color-surface-offset);
}

.check input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.check__box {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  border: 2px solid var(--color-border);
  background: var(--color-surface-2);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast), border-color var(--transition-fast);
  position: relative;
}

.check input[type="checkbox"]:checked + .check__box {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.check input[type="checkbox"]:checked + .check__box::after {
  content: '';
  width: 12px;
  height: 6px;
  border-left: 2.5px solid #fff;
  border-bottom: 2.5px solid #fff;
  transform: rotate(-45deg) translate(1px, -1px);
}

.check input[type="checkbox"]:focus-visible + .check__box {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.check__label {
  font-size: var(--text-sm);
  color: var(--color-text);
  font-weight: 500;
  line-height: 1.35;
}

/* Спец-стиль для "не могу" */
.check--danger input[type="checkbox"]:checked + .check__box {
  background: var(--color-long);
  border-color: var(--color-long);
}

/* ============ Comment ============ */
.comment {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  margin-bottom: var(--space-5);
}

.comment__label {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-text);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.comment__input {
  width: 100%;
  min-height: 72px;
  padding: var(--space-3);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
  color: var(--color-text);
  font-size: var(--text-sm);
  font-family: inherit;
  resize: vertical;
  transition: border-color var(--transition-fast);
}

.comment__input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.comment__input::placeholder {
  color: var(--color-text-faint);
}

/* ============ Actions ============ */
.actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.btn {
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
  min-height: 52px;
}

.btn:active:not(:disabled) {
  transform: scale(0.98);
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

.btn--primary:hover:not(:disabled) {
  background: var(--color-primary-hover);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text-muted);
}

.btn--ghost:hover {
  background: var(--color-surface-offset);
  color: var(--color-text);
}

.btn__icon {
  flex-shrink: 0;
}

/* ============ Footer ============ */
.footer {
  margin-top: var(--space-8);
  text-align: center;
}

.footer__note {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* ============ Day Sheet ============ */
.sheet {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.sheet[hidden] {
  display: none;
}

.sheet__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 33, 55, 0.4);
  animation: fadeIn 200ms ease;
}

.sheet__panel {
  position: relative;
  width: 100%;
  max-width: 560px;
  background: var(--color-surface);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  padding: var(--space-3) var(--space-5) var(--space-6);
  box-shadow: var(--shadow-sheet);
  animation: slideUp 280ms cubic-bezier(0.16, 1, 0.3, 1);
  max-height: 85dvh;
  overflow-y: auto;
}

.sheet__handle {
  width: 40px;
  height: 4px;
  border-radius: var(--radius-full);
  background: var(--color-border);
  margin: 0 auto var(--space-4);
}

.sheet__title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-1);
  text-align: center;
  text-transform: capitalize;
}

.sheet__subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
  text-align: center;
}

.sheet__options {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.option {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  background: var(--color-surface-2);
  border: 1.5px solid transparent;
  text-align: left;
  transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
  width: 100%;
}

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

.option--short:hover {
  background: var(--color-short-soft);
  border-color: var(--color-short-border);
}

.option--long:hover {
  background: var(--color-long-soft);
  border-color: var(--color-long-border);
}

.option--clear:hover {
  background: var(--color-surface-offset);
}

.option__icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--color-surface-offset);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.option__text {
  flex: 1;
}

.option__title {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 2px;
}

.option__desc {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.4;
}

.sheet__cancel {
  width: 100%;
  padding: var(--space-3);
  border-radius: var(--radius-md);
  background: var(--color-surface-offset);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: 600;
}

.sheet__cancel:hover {
  background: var(--color-border);
  color: var(--color-text);
}

/* ============ Thanks screen ============ */
.thanks {
  position: fixed;
  inset: 0;
  background: var(--color-bg);
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-5);
  animation: fadeIn 300ms ease;
}

.thanks[hidden] {
  display: none;
}

.thanks__card {
  max-width: 480px;
  width: 100%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8) var(--space-6);
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.thanks__icon {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-full);
  background: var(--color-success-soft);
  color: var(--color-success);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-5);
  animation: pop 400ms cubic-bezier(0.16, 1, 0.3, 1);
}

.thanks__title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-3);
  line-height: 1.2;
}

.thanks__text {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
  line-height: 1.5;
}

.thanks__meta {
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-divider);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  line-height: 1.5;
}

/* ============ Animations ============ */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

@keyframes pop {
  0% { transform: scale(0.5); opacity: 0; }
  60% { transform: scale(1.1); opacity: 1; }
  100% { transform: scale(1); opacity: 1; }
}

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

/* ============ Wider screens ============ */
@media (min-width: 640px) {
  .app {
    padding: var(--space-6);
    padding-bottom: var(--space-16);
  }

  .header {
    padding: var(--space-6) 0 var(--space-8);
  }

  .day {
    min-height: 56px;
  }

  .day__num {
    font-size: var(--text-base);
  }
}