:root {
  color-scheme: light;
  --bg: #f4efe6;
  --bg-accent: rgba(241, 196, 15, 0.12);
  --panel: rgba(255, 255, 255, 0.82);
  --panel-border: rgba(31, 41, 55, 0.08);
  --text: #1f2937;
  --muted: #526071;
  --heading: #0f172a;
  --nav-bg: rgba(15, 23, 42, 0.86);
  --nav-link: rgba(255, 255, 255, 0.08);
  --nav-link-hover: rgba(255, 255, 255, 0.14);
  --hero-start: #f59e0b;
  --hero-end: #ea580c;
  --shadow-soft: 0 18px 40px rgba(15, 23, 42, 0.08);
  --shadow-card: 0 12px 30px rgba(15, 23, 42, 0.08);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --content-width: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Space Grotesk", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, var(--bg-accent), transparent 30rem),
    radial-gradient(circle at 85% 15%, rgba(56, 189, 248, 0.12), transparent 24rem),
    linear-gradient(180deg, #f8f4eb 0%, var(--bg) 48%, #eee7da 100%);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(15, 23, 42, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 23, 42, 0.03) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.45), transparent 80%);
}

body.theme-year {
  --hero-start: #10b981;
  --hero-end: #0f766e;
  --bg-accent: rgba(16, 185, 129, 0.14);
}

body.theme-month {
  --hero-start: #3b82f6;
  --hero-end: #0f766e;
  --bg-accent: rgba(59, 130, 246, 0.14);
}

body.theme-week {
  --hero-start: #ef4444;
  --hero-end: #f97316;
  --bg-accent: rgba(239, 68, 68, 0.12);
}

a {
  color: inherit;
}

.site-shell {
  width: min(calc(100% - 2rem), var(--content-width));
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.topbar {
  padding-top: 1rem;
}

.topbar nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  padding: 0.85rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  background: var(--nav-bg);
  backdrop-filter: blur(18px);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.18);
}

.topbar a {
  padding: 0.85rem 1.15rem;
  border-radius: 999px;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: rgba(255, 255, 255, 0.88);
  background: var(--nav-link);
  transition: transform 160ms ease, background-color 160ms ease, color 160ms ease;
}

.topbar a:hover,
.topbar a:focus-visible {
  background: var(--nav-link-hover);
  transform: translateY(-1px);
}

.topbar a.active,
.topbar a[aria-current="page"] {
  color: #0f172a;
  background: linear-gradient(135deg, #ffffff, #f6ead8);
  box-shadow: inset 0 0 0 1px rgba(15, 23, 42, 0.08);
}

.hero {
  padding: 3rem 0 2rem;
}

.hero-panel {
  position: relative;
  overflow: hidden;
  padding: 2rem;
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.94), rgba(255, 250, 242, 0.86));
  box-shadow: var(--shadow-soft);
}

.hero-panel::after {
  content: "";
  position: absolute;
  inset: auto -6rem -7rem auto;
  width: 18rem;
  height: 18rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--hero-start), var(--hero-end));
  opacity: 0.16;
  filter: blur(10px);
}

.hero-copy {
  display: grid;
  gap: 1rem;
  max-width: 44rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  width: fit-content;
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.06);
  color: var(--heading);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.5rem, 7vw, 4.75rem);
  line-height: 0.95;
  letter-spacing: -0.05em;
  color: var(--heading);
}

.hero h1 .accent {
  display: block;
  background: linear-gradient(135deg, var(--hero-start), var(--hero-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  margin: 0;
  max-width: 38rem;
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.7;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.75rem;
}

.summary-card {
  padding: 1.15rem 1.2rem;
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(12px);
}

.summary-label {
  margin: 0 0 0.55rem;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.summary-value {
  margin: 0;
  color: var(--heading);
  font-size: clamp(1.15rem, 3vw, 1.55rem);
  font-weight: 700;
}

.summary-note {
  display: block;
  margin-top: 0.35rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.charts {
  display: grid;
  gap: 1.25rem;
  padding-bottom: 2.5rem;
}

.chart-card {
  padding: 1.4rem;
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 252, 247, 0.84));
  box-shadow: var(--shadow-card);
}

.chart-card.centered-card {
  max-width: 960px;
  margin-inline: auto;
}

.chart-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.chart-title {
  margin: 0;
  color: var(--heading);
  font-size: clamp(1.25rem, 2vw, 1.55rem);
  letter-spacing: -0.03em;
}

.chart-description {
  margin: 0.45rem 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.chart-tag {
  flex-shrink: 0;
  padding: 0.45rem 0.7rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.06);
  color: var(--heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.chart-embed {
  overflow: hidden;
  border: 1px solid rgba(15, 23, 42, 0.06);
  border-radius: calc(var(--radius-md) + 2px);
  background: linear-gradient(180deg, rgba(248, 250, 252, 0.85), rgba(255, 255, 255, 0.98));
}

.chart-embed embed {
  display: block;
  width: 100%;
  min-height: 19rem;
  border: 0;
  background: transparent;
}

.chart-embed.scroll-x {
  overflow-x: auto;
  overflow-y: hidden;
}

.chart-embed.scroll-x embed {
  width: max(100%, 1200px);
}

.chart-card.centered-card .chart-header {
  justify-content: center;
  text-align: center;
}

.chart-card.centered-card .chart-header > div {
  max-width: 42rem;
}

.chart-card.centered-card .chart-embed {
  max-width: 860px;
  margin-inline: auto;
}

.notes {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin: 0 0 3rem;
  padding: 1rem 1.25rem;
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.58);
  box-shadow: var(--shadow-card);
}

.notes p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.notes strong {
  color: var(--heading);
}

.footer {
  padding: 0 0 2rem;
}

.footer p {
  margin: 0;
  text-align: center;
  color: rgba(15, 23, 42, 0.58);
  font-size: 0.92rem;
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  animation: rise 540ms ease forwards;
}

.fade-in.delay-1 {
  animation-delay: 90ms;
}

.fade-in.delay-2 {
  animation-delay: 180ms;
}

.fade-in.delay-3 {
  animation-delay: 270ms;
}

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

@media (max-width: 900px) {
  .summary-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .chart-header,
  .notes {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  .site-shell {
    width: min(calc(100% - 1rem), var(--content-width));
  }

  .hero {
    padding-top: 1.25rem;
  }

  .hero-panel,
  .chart-card {
    padding: 1.1rem;
  }

  .summary-grid {
    grid-template-columns: 1fr;
  }

  .topbar nav {
    gap: 0.5rem;
    border-radius: 26px;
  }

  .topbar a {
    width: calc(50% - 0.25rem);
    text-align: center;
    padding-inline: 0.8rem;
  }

  .chart-embed embed {
    min-height: 15rem;
  }
}