:root {
  --background: #fbf5ec;
  --primary: #4a3b32;
  --muted: #a99b8e;
  --weekday: #c4b7a7;
  --month: #b85336;
  --pill-bg: #f1e8db;
  --pill-text: #a2907e;
  --cell: #ede3d3;
  --cell-weekend: #e4d7c2;
  --accent: #ec7c57;
  --accent-dark: #8f3d24;
  --side: 24px;
  --gap: 5px;
  --day: 38px;
  --label: 28px;
  --radius: 10px;
  --ring: 2.5px;
  --s: 1;
  color: var(--primary);
  background: #efe6d8;
  font-family: ui-rounded, "SF Pro Rounded", -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overscroll-behavior: none;
}

body {
  display: flex;
  justify-content: center;
  background: #efe6d8;
}

button,
input {
  font: inherit;
}

button {
  color: inherit;
}

#app {
  position: relative;
  display: flex;
  width: 100%;
  max-width: 430px;
  height: 100vh;
  height: 100lvh;
  flex-direction: column;
  overflow: hidden;
  padding-top: env(safe-area-inset-top);
  padding-bottom: env(safe-area-inset-bottom);
  background: var(--background);
  isolation: isolate;
}

.header {
  position: relative;
  flex: none;
  padding: calc(6px * var(--s)) var(--side) calc(14px * var(--s));
}

.title-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.title-block {
  flex: 1;
  min-width: 0;
  padding-top: calc(1px * var(--s));
}

.year-button {
  display: flex;
  align-items: center;
  gap: calc(5px * var(--s));
  min-height: calc(35px * var(--s));
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  font-size: calc(34px * var(--s));
  font-weight: 900;
  letter-spacing: calc(-1px * var(--s));
  line-height: 1;
  cursor: pointer;
  touch-action: manipulation;
}

.tiny-chevron {
  width: calc(10px * var(--s));
  height: calc(7px * var(--s));
  margin-top: calc(3px * var(--s));
  fill: none;
  stroke: var(--muted);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.stats-line {
  margin: calc(6px * var(--s)) 0 0;
  overflow: hidden;
  color: var(--muted);
  font-size: calc(14px * var(--s));
  font-weight: 700;
  line-height: 1.15;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.settings-button {
  position: absolute;
  top: calc(6px * var(--s));
  right: var(--side);
  display: grid;
  width: calc(36px * var(--s));
  height: calc(36px * var(--s));
  flex: none;
  place-items: center;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: var(--pill-bg);
  cursor: pointer;
  touch-action: manipulation;
}

.settings-button svg {
  width: calc(17px * var(--s));
  height: calc(17px * var(--s));
  fill: var(--pill-text);
}

.settings-button:active,
.icon-pill:active,
.habit-pill:active {
  transform: scale(0.96);
}

.habit-picker {
  display: flex;
  gap: calc(9px * var(--s));
  width: 100%;
  margin-top: calc(18px * var(--s));
  overflow: visible;
}

.habit-picker.many {
  width: calc(100% + (var(--side) * 2));
  margin-right: calc(var(--side) * -1);
  margin-left: calc(var(--side) * -1);
  padding: calc(18px * var(--s)) var(--side);
  margin-top: 0;
  margin-bottom: calc(-18px * var(--s));
  overflow-x: auto;
  scrollbar-width: none;
}

.habit-picker.many::-webkit-scrollbar,
.calendar-scroll::-webkit-scrollbar {
  display: none;
}

.habit-pill,
.icon-pill {
  min-width: 0;
  height: calc(39px * var(--s));
  margin: 0;
  border: 0;
  border-radius: 999px;
  background: var(--pill-bg);
  color: var(--pill-text);
  font-size: calc(15px * var(--s));
  font-weight: 800;
  line-height: 1;
  cursor: pointer;
  transition:
    color 150ms ease,
    background 150ms ease,
    box-shadow 150ms ease,
    transform 100ms ease;
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
}

.habit-picker:not(.many) .habit-pill {
  flex: 1 1 0;
  padding: 0 calc(8px * var(--s));
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.habit-picker.many .habit-pill {
  flex: none;
  padding: 0 calc(16px * var(--s));
  white-space: nowrap;
}

.habit-pill.active {
  background: var(--accent);
  box-shadow: 0 calc(4px * var(--s)) calc(14px * var(--s))
    rgba(236, 124, 87, 0.4);
  color: #fff;
}

.icon-pill {
  display: grid;
  width: calc(44px * var(--s));
  flex: none;
  place-items: center;
}

.icon-pill svg {
  width: calc(15px * var(--s));
  height: calc(15px * var(--s));
  fill: none;
  stroke: currentColor;
  stroke-width: 2.6;
  stroke-linecap: round;
}

.weekday-row,
.week-row {
  display: flex;
  flex: none;
  align-items: center;
  gap: var(--gap);
}

.weekday-row {
  padding: calc(6px * var(--s)) var(--side) calc(8px * var(--s));
}

.month-spacer,
.month-label {
  width: var(--label);
  flex: none;
}

.weekday-row > span:not(.month-spacer) {
  width: var(--day);
  flex: none;
  color: var(--weekday);
  font-size: calc(12px * var(--s));
  font-weight: 800;
  text-align: center;
}

.calendar-scroll {
  min-height: 0;
  flex: 1;
  overflow-x: hidden;
  overflow-y: auto;
  padding: calc(2px * var(--s)) var(--side) calc(20px * var(--s));
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-y: contain;
}

.calendar-grid {
  display: flex;
  flex-direction: column;
  gap: var(--gap);
}

.month-label {
  overflow: visible;
  color: var(--month);
  font-size: calc(11px * var(--s));
  font-weight: 800;
  text-align: right;
  white-space: nowrap;
}

.day-cell,
.day-padding {
  position: relative;
  width: var(--day);
  height: var(--day);
  flex: none;
  border-radius: var(--radius);
}

.day-cell {
  margin: 0;
  padding: 0;
  border: 0;
  background: var(--cell);
  cursor: pointer;
  transition:
    background-color 120ms ease,
    transform 100ms ease;
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
}

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

.day-cell.done {
  background: var(--accent);
}

.day-cell.today::after {
  position: absolute;
  inset: 0;
  border: var(--ring) solid var(--accent);
  border-radius: inherit;
  content: "";
  pointer-events: none;
}

.day-cell.today.done::after {
  border-color: var(--accent-dark);
}

.day-cell:active {
  transform: scale(0.93);
}

.day-number {
  position: absolute;
  top: calc(5.5px * var(--s));
  left: calc(6.5px * var(--s));
  color: rgba(74, 59, 50, 0.25);
  font-size: calc(8px * var(--s));
  font-weight: 700;
  line-height: 1;
}

.done .day-number {
  color: rgba(255, 255, 255, 0.55);
}

.completion-count {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: calc(15px * var(--s));
  font-weight: 800;
  line-height: 1;
}

.popover-layer,
.modal-layer {
  position: fixed;
  inset: 0;
  z-index: 20;
}

.popover-layer[hidden],
.modal-layer[hidden] {
  display: none;
}

.popover-dismiss {
  position: absolute;
  inset: 0;
  border: 0;
  background: transparent;
}

.popover {
  position: fixed;
  z-index: 1;
  width: calc(220px * var(--s));
  overflow: hidden;
  padding: calc(7px * var(--s));
  border: 1px solid rgba(74, 59, 50, 0.08);
  border-radius: calc(18px * var(--s));
  background: rgba(255, 252, 247, 0.97);
  box-shadow:
    0 calc(14px * var(--s)) calc(40px * var(--s))
      rgba(74, 59, 50, 0.2),
    0 calc(3px * var(--s)) calc(10px * var(--s))
      rgba(74, 59, 50, 0.08);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transform-origin: top right;
  animation: pop-in 140ms ease-out;
}

@keyframes pop-in {
  from {
    opacity: 0;
    transform: scale(0.94) translateY(-4px);
  }
}

.menu-label {
  margin: calc(6px * var(--s)) calc(10px * var(--s))
    calc(5px * var(--s));
  color: var(--muted);
  font-size: calc(11px * var(--s));
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.menu-item {
  display: flex;
  width: 100%;
  min-height: calc(43px * var(--s));
  align-items: center;
  gap: calc(11px * var(--s));
  margin: 0;
  padding: 0 calc(10px * var(--s));
  border: 0;
  border-radius: calc(12px * var(--s));
  background: transparent;
  color: var(--primary);
  font-size: calc(15px * var(--s));
  font-weight: 750;
  text-align: left;
  cursor: pointer;
}

.menu-item:active {
  background: var(--pill-bg);
}

.menu-item.accent {
  color: var(--month);
}

.menu-item.danger {
  color: #cc4e42;
}

.menu-item svg {
  width: calc(19px * var(--s));
  height: calc(19px * var(--s));
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.check-spacer {
  display: grid;
  width: calc(19px * var(--s));
  height: calc(19px * var(--s));
  flex: none;
  place-items: center;
  color: var(--accent);
  font-weight: 900;
}

.menu-divider {
  height: 1px;
  margin: calc(5px * var(--s)) calc(8px * var(--s));
  background: rgba(74, 59, 50, 0.1);
}

.modal-layer {
  display: grid;
  place-items: end center;
  padding: calc(12px * var(--s));
  padding-bottom: calc(12px * var(--s) + env(safe-area-inset-bottom));
  background: rgba(74, 59, 50, 0.23);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  animation: fade-in 160ms ease-out;
}

@keyframes fade-in {
  from {
    opacity: 0;
  }
}

.sheet {
  width: min(100%, calc(366px * var(--s)));
  padding: calc(8px * var(--s)) calc(18px * var(--s))
    calc(18px * var(--s));
  border: 1px solid rgba(74, 59, 50, 0.07);
  border-radius: calc(28px * var(--s));
  background: #fffaf3;
  box-shadow: 0 calc(18px * var(--s)) calc(60px * var(--s))
    rgba(74, 59, 50, 0.28);
  animation: sheet-in 220ms cubic-bezier(0.22, 0.78, 0.28, 1);
}

@keyframes sheet-in {
  from {
    transform: translateY(30px);
  }
}

.sheet-handle {
  width: calc(38px * var(--s));
  height: calc(5px * var(--s));
  margin: 0 auto calc(14px * var(--s));
  border-radius: 99px;
  background: rgba(74, 59, 50, 0.16);
}

.sheet h2 {
  margin: 0;
  color: var(--primary);
  font-size: calc(22px * var(--s));
  font-weight: 900;
  letter-spacing: -0.02em;
}

.sheet p {
  margin: calc(7px * var(--s)) 0 calc(16px * var(--s));
  color: var(--muted);
  font-size: calc(14px * var(--s));
  font-weight: 650;
  line-height: 1.4;
}

.text-input {
  width: 100%;
  height: calc(50px * var(--s));
  margin-bottom: calc(14px * var(--s));
  padding: 0 calc(15px * var(--s));
  border: 2px solid transparent;
  border-radius: calc(15px * var(--s));
  outline: 0;
  background: var(--pill-bg);
  color: var(--primary);
  font-size: max(16px, calc(16px * var(--s)));
  font-weight: 750;
}

.text-input:focus {
  border-color: var(--accent);
  background: #fff;
}

.sheet-actions {
  display: flex;
  gap: calc(10px * var(--s));
}

.sheet-button {
  height: calc(48px * var(--s));
  flex: 1;
  border: 0;
  border-radius: calc(15px * var(--s));
  background: var(--pill-bg);
  color: var(--pill-text);
  font-size: calc(15px * var(--s));
  font-weight: 850;
  cursor: pointer;
}

.sheet-button.primary {
  background: var(--accent);
  box-shadow: 0 calc(5px * var(--s)) calc(15px * var(--s))
    rgba(236, 124, 87, 0.3);
  color: #fff;
}

.sheet-button.danger {
  background: #fee9e4;
  color: #bb4338;
}

.install-steps {
  display: grid;
  gap: calc(11px * var(--s));
  margin: calc(16px * var(--s)) 0 calc(19px * var(--s));
}

.install-step {
  display: grid;
  grid-template-columns: calc(30px * var(--s)) 1fr;
  gap: calc(10px * var(--s));
  align-items: center;
  color: var(--primary);
  font-size: calc(14px * var(--s));
  font-weight: 700;
  line-height: 1.3;
}

.step-number {
  display: grid;
  width: calc(30px * var(--s));
  height: calc(30px * var(--s));
  place-items: center;
  border-radius: 50%;
  background: var(--pill-bg);
  color: var(--month);
  font-weight: 900;
}

.toast {
  position: absolute;
  z-index: 30;
  right: var(--side);
  bottom: calc(20px + env(safe-area-inset-bottom));
  left: var(--side);
  padding: calc(13px * var(--s)) calc(16px * var(--s));
  border-radius: calc(15px * var(--s));
  background: rgba(74, 59, 50, 0.94);
  box-shadow: 0 8px 24px rgba(74, 59, 50, 0.24);
  color: #fff;
  font-size: calc(14px * var(--s));
  font-weight: 750;
  text-align: center;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition:
    opacity 160ms ease,
    transform 160ms ease;
}

.toast.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (min-width: 431px) {
  #app {
    box-shadow: 0 24px 70px rgba(74, 59, 50, 0.2);
  }
}

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