:root {
  --color-bg: #f7f1e7;
  --color-surface: #fffaf0;
  --color-white: #ffffff;
  --color-ink: #1e293b;
  --color-muted: #64748b;
  --color-disabled: #98a2b3;
  --color-line: rgba(30, 41, 59, .14);
  --color-brand: #93612f;
  --color-brand-dark: #5f3b1c;
  --color-brand-soft: #fff3d1;
  --color-gold: #efbf62;
  --color-today: #2563eb;
  --color-today-soft: #dbeafe;
  --color-event: #c43225;
  --color-event-soft: #fff1f0;
  --color-green: #166534;
  --color-green-soft: #dcfce7;
  --color-violet: #6d28d9;
  --color-violet-soft: #ede9fe;
  --color-neutral-soft: #f3f5f7;

  --font-body: "Nunito Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-heading: "Poppins", "Nunito Sans", system-ui, sans-serif;

  --radius-sm: .75rem;
  --radius-md: 1rem;
  --radius-lg: 1.4rem;
  --radius-xl: 2rem;
  --radius-pill: 999px;

  --shadow-sm: 0 .5rem 1.25rem rgba(45, 35, 20, .08);
  --shadow-md: 0 1.5rem 3.75rem rgba(45, 35, 20, .13);

  --container: 74rem;
  --focus-ring: 0 0 0 .2rem var(--color-surface), 0 0 0 .4rem var(--color-today);
  --transition-fast: 150ms ease;
}

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

html {
  color-scheme: light;
}

body {
  min-width: 20rem;
  min-height: 100vh;
  min-height: 100dvh;
  margin: 0;
  color: var(--color-ink);
  background:
    radial-gradient(circle at top left, rgba(239, 191, 98, .38), transparent 30rem),
    radial-gradient(circle at bottom right, rgba(147, 97, 47, .12), transparent 28rem),
    var(--color-bg);
  font-family: var(--font-body);
  line-height: 1.55;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button,
input,
select,
textarea {
  font: inherit;
}

button:disabled {
  cursor: not-allowed;
}

button,
a {
  transition: box-shadow var(--transition-fast), transform var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast), color var(--transition-fast);
}

button:focus-visible,
a:focus-visible,
[tabindex]:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3,
button,
.action-link {
  font-family: var(--font-heading);
}

.app {
  width: min(var(--container), calc(100% - 1rem));
  min-height: 100vh;
  min-height: 100dvh;
  margin-inline: auto;
  padding-block: 1rem 1.75rem;
}

.skip-link {
  position: fixed;
  top: .5rem;
  left: .5rem;
  z-index: 100;
  padding: .7rem 1rem;
  border-radius: var(--radius-pill);
  background: var(--color-ink);
  color: var(--color-white);
  text-decoration: none;
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.hero {
  margin-bottom: 1rem;
}

.hero-copy {
  max-width: 54rem;
}

.hero-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .65rem;
  margin-bottom: .6rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .45rem .75rem;
  border-radius: var(--radius-pill);
  background: var(--color-brand-soft);
  color: var(--color-brand-dark);
  font-size: .78rem;
  font-weight: 900;
}

.eyebrow::before {
  content: "✦";
}

.hero h1 {
  margin-bottom: .45rem;
  font-size: clamp(2rem, 10vw, 3.85rem);
  letter-spacing: -.05em;
  line-height: 1.02;
}

.help-toggle,
.current-period-btn,
.primary-btn,
.secondary-btn,
.back-btn {
  min-height: 2.75rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  padding: .55rem 1rem;
  cursor: pointer;
  font-weight: 800;
}

.help-toggle,
.current-period-btn,
.secondary-btn,
.back-btn {
  background: var(--color-surface);
  color: var(--color-brand-dark);
}

.primary-btn {
  border-color: var(--color-brand);
  background: var(--color-brand);
  color: var(--color-white);
  box-shadow: 0 .65rem 1.4rem rgba(147, 97, 47, .2);
}

.help-toggle {
  min-height: 2.25rem;
  padding: .35rem .7rem;
  font-size: .78rem;
}

.hero-help {
  display: grid;
  grid-template-rows: 0fr;
  color: var(--color-muted);
  transition: grid-template-rows var(--transition-fast);
}

.hero-help > p {
  min-height: 0;
  margin: 0;
  overflow: hidden;
}

.hero-help.is-open {
  grid-template-rows: 1fr;
}

.hero-help.is-open > p {
  padding-top: .35rem;
}

.loading-state,
.error-message {
  padding: 1rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.loading-state {
  display: flex;
  align-items: center;
  gap: .7rem;
  margin-bottom: 1rem;
  color: var(--color-muted);
}

.loading-spinner {
  width: 1.15rem;
  height: 1.15rem;
  border: .18rem solid rgba(147, 97, 47, .2);
  border-top-color: var(--color-brand);
  border-radius: 50%;
  animation: spin .8s linear infinite;
}

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

.calendar-view[hidden],
.detail-view[hidden],
.loading-state[hidden],
.week-view[hidden],
.month-view[hidden],
.today-shortcut[hidden],
.selected-date-panel[hidden] {
  display: none;
}

body.is-detail-mode .hero {
  display: none;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}


@media (max-width: 47.99rem) {
  body {
    background:
      radial-gradient(circle at top left, rgba(239, 191, 98, .34), transparent 28rem),
      var(--color-bg);
  }

  .app {
    padding-bottom: 2rem;
  }
}

@media (hover: hover) {
  button:not(:disabled):hover,
  .action-link:hover {
    transform: translateY(-1px);
  }
}

@media (min-width: 48rem) {
  .app {
    width: min(var(--container), calc(100% - 2rem));
    padding-block: 2rem;
  }

  .hero {
    margin-bottom: 1.5rem;
  }

  .hero-topline {
    justify-content: flex-start;
  }

  .hero-help > p {
    max-width: 46rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto;
    animation-duration: .01ms;
    animation-iteration-count: 1;
    transition-duration: .01ms;
  }
}

.data-status {
  margin-bottom: 1rem;
  padding: .8rem 1rem;
  border: 1px solid #e5a93d;
  border-radius: var(--radius-md);
  background: #fff7df;
  color: #6b4618;
  font-weight: 700;
}

.data-status[hidden] {
  display: none;
}

.loading-state.is-error {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 1rem;
  color: var(--color-ink);
}

.loading-error-copy p {
  margin: .25rem 0 0;
  color: var(--color-muted);
}

.loading-retry-btn {
  min-width: 8.5rem;
}

@media (max-width: 35.99rem) {
  .loading-state.is-error {
    grid-template-columns: minmax(0, 1fr);
  }

  .loading-retry-btn {
    width: 100%;
  }
}

@media (min-width: 48rem) and (max-height: 56.25rem) {
  .app {
    padding-block: .85rem 1.15rem;
  }

  .hero {
    margin-bottom: .75rem;
  }

  .hero-topline {
    margin-bottom: .35rem;
  }

  .hero h1 {
    margin-bottom: .2rem;
    font-size: clamp(2.55rem, 6.2vh, 3.35rem);
  }
}