:root {
  color-scheme: light dark;
  --bg: #f3f2ee;
  --bg-accent: rgba(0, 0, 0, 0.06);
  --panel: rgba(255, 255, 255, 0.8);
  --panel-strong: #ffffff;
  --text: #111111;
  --muted: #5e5e5e;
  --line: rgba(17, 17, 17, 0.14);
  --line-strong: rgba(17, 17, 17, 0.24);
  --shadow: 0 18px 48px rgba(0, 0, 0, 0.08);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 18px;
  --radius-sm: 14px;
  --page-gutter: 18px;
  --content-width: 720px;
  --font-body: "Aptos", "Avenir Next", "Trebuchet MS", sans-serif;
  --font-display: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  --font-mono: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f0f0f;
    --bg-accent: rgba(255, 255, 255, 0.06);
    --panel: rgba(18, 18, 18, 0.86);
    --panel-strong: #151515;
    --text: #f5f5f3;
    --muted: #b4b4b0;
    --line: rgba(255, 255, 255, 0.12);
    --line-strong: rgba(255, 255, 255, 0.24);
    --shadow: 0 24px 54px rgba(0, 0, 0, 0.34);
  }
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  color: var(--text);
  background:
    radial-gradient(circle at top left, var(--bg-accent), transparent 28rem),
    radial-gradient(circle at bottom right, var(--bg-accent), transparent 24rem),
    var(--bg);
  -webkit-font-smoothing: antialiased;
}

body.sheet-open {
  overflow: hidden;
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.48;
  transform: none;
}

.app-shell {
  width: min(100%, var(--content-width));
  margin: 0 auto;
  padding: calc(env(safe-area-inset-top) + 16px) var(--page-gutter) calc(env(safe-area-inset-bottom) + 28px);
}

.stack {
  display: grid;
  gap: 18px;
}

.panel {
  backdrop-filter: blur(16px);
  background: linear-gradient(180deg, var(--panel), var(--panel-strong));
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
}

.hero-panel {
  padding: 22px;
  display: grid;
  gap: 18px;
  animation: rise-in 320ms ease both;
}

.hero-copy {
  display: grid;
  gap: 12px;
}

.hero-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}

.hero-heading h1,
.action-panel h2,
.section-heading h2,
.sheet-header h2 {
  margin: 0;
  font-family: var(--font-display);
  letter-spacing: -0.03em;
}

.hero-heading h1 {
  font-size: clamp(2.6rem, 8vw, 4rem);
  line-height: 0.95;
}

.hero-subtitle {
  margin: 8px 0 0;
  max-width: 26rem;
  color: var(--muted);
  line-height: 1.45;
}

.eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  color: var(--muted);
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.hero-stat {
  padding: 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.38);
  display: grid;
  gap: 8px;
  min-height: 96px;
}

@media (prefers-color-scheme: dark) {
  .hero-stat {
    background: rgba(255, 255, 255, 0.02);
  }
}

.hero-stat strong {
  font-size: 1.1rem;
  line-height: 1.35;
}

.hero-stat-label {
  color: var(--muted);
  font-size: 0.82rem;
}

.hero-stat-wide {
  grid-column: 1 / -1;
}

.support-text {
  margin: 0;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px dashed var(--line-strong);
  color: var(--muted);
  line-height: 1.4;
}

.action-panel {
  padding: 18px 20px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: end;
  animation: rise-in 420ms ease both;
}

.action-panel h2 {
  margin-top: 6px;
  font-size: 1.7rem;
}

.button,
.text-button,
.icon-button {
  border: 1px solid var(--line-strong);
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    background-color 160ms ease;
}

.button:hover,
.text-button:hover,
.icon-button:hover,
.button:focus-visible,
.text-button:focus-visible,
.icon-button:focus-visible {
  transform: translateY(-1px);
  border-color: var(--text);
}

.button {
  min-height: 50px;
  border-radius: 999px;
  padding: 0 18px;
}

.button-primary {
  background: var(--text);
  color: var(--bg);
}

.button-secondary {
  background: transparent;
  color: var(--text);
}

.button-compact {
  min-height: 42px;
}

.button-danger {
  border-style: dashed;
}

.task-section {
  display: grid;
  gap: 12px;
  animation: rise-in 480ms ease both;
}

.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.section-heading h2 {
  font-size: 1.35rem;
}

.count-badge {
  min-width: 40px;
  min-height: 40px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  display: inline-grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 0.82rem;
}

.empty-copy {
  margin: 0;
  color: var(--muted);
  padding: 0 2px;
}

.task-list {
  display: grid;
  gap: 12px;
}

.task-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: 16px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--panel), var(--panel-strong));
  box-shadow: var(--shadow);
  animation: card-in 260ms ease both;
}

.task-card.is-complete {
  opacity: 0.84;
}

.task-toggle {
  width: 28px;
  height: 28px;
  margin-top: 3px;
  border-radius: 999px;
  border: 1.5px solid var(--text);
  background: transparent;
  position: relative;
  flex: none;
}

.task-card.is-complete .task-toggle {
  background: var(--text);
}

.task-card.is-complete .task-toggle::after {
  content: "";
  position: absolute;
  inset: 7px;
  border-radius: 999px;
  background: var(--bg);
}

.task-content {
  display: grid;
  gap: 14px;
}

.task-topline {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: start;
}

.task-title {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.35;
}

.task-card.is-complete .task-title {
  text-decoration: line-through;
  text-decoration-thickness: 1px;
}

.task-chip {
  flex: none;
  padding: 6px 10px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.task-due {
  margin: 0;
  color: var(--muted);
}

.task-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.text-button,
.icon-button {
  min-height: 40px;
  border-radius: 999px;
  background: transparent;
  color: var(--text);
  padding: 0 14px;
}

.sheet-root {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  align-items: end;
}

.sheet-root[hidden] {
  display: none;
}

.sheet-backdrop {
  position: absolute;
  inset: 0;
  border: 0;
  background: rgba(0, 0, 0, 0.28);
}

.sheet {
  position: relative;
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
  padding: 12px 18px calc(env(safe-area-inset-bottom) + 20px);
  transform: translateY(100%);
  transition: transform 220ms ease;
}

.sheet-root.is-visible .sheet {
  transform: translateY(0);
}

.sheet-handle {
  width: 56px;
  height: 5px;
  border-radius: 999px;
  background: var(--line-strong);
  margin: 6px auto 16px;
}

.sheet-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: start;
}

.task-form {
  display: grid;
  gap: 16px;
  margin-top: 18px;
}

.field,
.field-grid {
  display: grid;
  gap: 10px;
}

.field span {
  color: var(--muted);
}

.field-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.field input {
  min-height: 52px;
  width: 100%;
  padding: 0 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.34);
  color: var(--text);
}

@media (prefers-color-scheme: dark) {
  .field input {
    background: rgba(255, 255, 255, 0.04);
  }
}

.field input:focus-visible {
  outline: 2px solid var(--text);
  outline-offset: 1px;
}

.sheet-actions {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 4px;
}

.sheet-actions .button:last-child {
  margin-left: auto;
}

.noscript-banner {
  padding: 14px 18px;
  margin: 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line-strong);
}

@media (max-width: 620px) {
  .hero-heading,
  .action-panel,
  .task-topline {
    flex-direction: column;
  }

  .hero-heading .button,
  .action-panel .button {
    width: 100%;
  }

  .field-grid,
  .sheet-actions {
    grid-template-columns: 1fr;
    display: grid;
  }

  .sheet-actions .button:last-child {
    margin-left: 0;
  }
}

@media (min-width: 768px) {
  .app-shell {
    padding-top: 28px;
  }

  .stack {
    gap: 22px;
  }
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(14px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes card-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}