:root {
  --bg-0: #fbf6ee;
  --bg-1: #f4e9d8;
  --surface: rgba(255, 251, 245, 0.86);
  --surface-strong: #fffaf2;
  --ink: #1f2023;
  --ink-muted: #5d6370;
  --line: rgba(31, 32, 35, 0.14);
  --accent: #c5441e;
  --accent-strong: #a73716;
  --accent-soft: rgba(197, 68, 30, 0.1);
  --ok: #1f7a58;
  --danger: #8c2f39;
  --radius-xl: 24px;
  --radius-lg: 16px;
  --radius-sm: 10px;
  --shadow-soft: 0 16px 44px rgba(29, 24, 16, 0.12);
  --font-head: "Sora", "Segoe UI", sans-serif;
  --font-ui: "IBM Plex Mono", "Consolas", monospace;
  --max-width: 860px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  color: var(--ink);
  font-family: var(--font-ui);
  background:
    radial-gradient(1200px 500px at -8% -10%, rgba(197, 68, 30, 0.2), transparent 55%),
    radial-gradient(980px 580px at 110% -25%, rgba(31, 122, 88, 0.2), transparent 52%),
    linear-gradient(180deg, var(--bg-0) 0%, var(--bg-1) 100%);
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  background: var(--accent);
  color: #fff;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  z-index: 99;
}

.skip-link:focus {
  top: 10px;
}

.topbar,
.footer {
  width: min(calc(100% - 28px), var(--max-width));
  margin: 18px auto;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-soft);
}

.brand {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  letter-spacing: 0.03em;
}

.day-pill {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.85rem;
}

.app-shell {
  width: min(calc(100% - 28px), var(--max-width));
  margin: 0 auto;
  display: grid;
  gap: 16px;
}

.hero-card,
.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  padding: 20px;
  box-shadow: var(--shadow-soft);
}

.hero-card {
  position: relative;
  overflow: hidden;
}

.hero-card::after {
  content: "";
  position: absolute;
  inset: auto -100px -130px auto;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle at center, var(--accent-soft), transparent 70%);
}

.kicker {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.74rem;
  color: var(--ink-muted);
}

h1 {
  margin: 8px 0 10px;
  font-family: var(--font-head);
  font-size: clamp(1.7rem, 2.5vw, 2.4rem);
  line-height: 1.15;
}

.hero-copy {
  margin: 0;
  max-width: 58ch;
  color: var(--ink-muted);
}

.task-form {
  display: flex;
  gap: 10px;
  align-items: center;
}

.task-input,
.search-input,
.task-edit {
  width: 100%;
  min-height: 44px;
  border: 1.4px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font: inherit;
  color: var(--ink);
  background: var(--surface-strong);
}

.task-input:focus,
.search-input:focus,
.task-edit:focus,
.btn:focus,
.chip:focus,
.task-check:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.hint {
  margin: 10px 2px 0;
  font-size: 0.84rem;
  color: var(--ink-muted);
}

.btn {
  min-height: 44px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  padding: 0 14px;
  font: inherit;
  cursor: pointer;
  transition: transform 120ms ease, background-color 120ms ease;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-strong);
}

.btn-quiet {
  background: transparent;
  border-color: var(--line);
  color: var(--ink-muted);
}

.btn-quiet:hover {
  background: var(--surface-strong);
  color: var(--ink);
}

.controls-panel,
.summary-panel {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.controls-left,
.controls-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.chip {
  min-height: 40px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink-muted);
  cursor: pointer;
  font: inherit;
}

.chip.is-active {
  background: var(--accent-soft);
  border-color: rgba(197, 68, 30, 0.38);
  color: var(--accent-strong);
}

.summary-panel p {
  margin: 0;
  color: var(--ink-muted);
}

.summary-panel span {
  color: var(--ink);
  font-weight: 500;
}

.task-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.task-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 11px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface-strong);
  animation: item-enter 210ms ease;
}

@keyframes item-enter {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.task-check {
  width: 22px;
  height: 22px;
  accent-color: var(--ok);
}

.task-text {
  margin: 0;
  overflow-wrap: anywhere;
}

.task-item.is-complete .task-text {
  text-decoration: line-through;
  color: var(--ink-muted);
}

.task-actions {
  display: flex;
  gap: 6px;
  grid-column: 3;
}

.task-btn {
  min-width: 66px;
  min-height: 36px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: transparent;
  cursor: pointer;
  font: inherit;
  color: var(--ink-muted);
}

.task-btn:hover {
  color: var(--ink);
  background: #fff;
}

.task-btn.delete:hover {
  color: var(--danger);
}

.task-item.is-editing .task-text {
  display: none;
}

.task-edit {
  display: none;
  grid-column: 2;
}

.task-item.is-editing .task-edit {
  display: block;
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.empty-state {
  margin: 4px 0 0;
  color: var(--ink-muted);
}

.empty-state.hidden {
  display: none;
}

.footer {
  margin-top: 16px;
  margin-bottom: 24px;
  font-size: 0.84rem;
  color: var(--ink-muted);
}

.footer a {
  color: var(--accent-strong);
}

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

@media (max-width: 720px) {
  .task-form {
    flex-direction: column;
    align-items: stretch;
  }

  .btn-primary {
    width: 100%;
  }

  .topbar,
  .footer {
    margin-top: 12px;
    margin-bottom: 12px;
  }

  .task-item {
    grid-template-columns: auto 1fr;
  }

  .task-actions {
    grid-column: 1 / -1;
    justify-content: flex-end;
  }
}

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