:root {
  --ground: #F6EFE5;
  --card: #FDF8F0;
  --card-line: #E4D8C6;
  --ink: #33241A;
  --muted: #8E7B6A;
  --accent: #8C5A33;
  --mug-line: #C9B79F;
  --cup-white: #FFFFFF;
  --cup-black: #241811;
  --bar-track: #E8DCC9;
  --header: rgba(246, 239, 229, 0.92);
  --btn-bg: #FDF8F0;
  --btn-line: #D8C9B2;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ground: #201811;
    --card: #2A2019;
    --card-line: #3E3226;
    --ink: #F0E5D6;
    --muted: #A8937D;
    --accent: #D19A63;
    --mug-line: #6B5843;
    --cup-white: #FFF9EF;
    --cup-black: #17100A;
    --bar-track: #3A2E22;
    --header: rgba(32, 24, 17, 0.92);
    --btn-bg: #2A2019;
    --btn-line: #4A3B2C;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font-family: "Karla", "Segoe UI", system-ui, sans-serif;
  line-height: 1.5;
}

header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--header);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--card-line);
  padding: 14px 24px 12px;
}

.header-row {
  max-width: 980px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.title-block {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.home-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border: 1.5px solid var(--btn-line);
  border-radius: 999px;
  background: var(--btn-bg);
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-decoration: none;
  transition: border-color 0.15s ease;
}
.home-link:hover { border-color: var(--accent); }

h1 {
  font-family: "Fraunces", Georgia, serif;
  font-weight: 650;
  font-size: 1.45rem;
  margin: 0;
  letter-spacing: 0.01em;
  text-wrap: balance;
}

.tallies {
  display: flex;
  align-items: center;
  gap: 18px;
}

.tally {
  display: flex;
  align-items: baseline;
  gap: 7px;
}

.tally .num {
  font-family: "Fraunces", Georgia, serif;
  font-weight: 650;
  font-size: 1.35rem;
  font-variant-numeric: tabular-nums;
}

.tally .label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--muted);
  font-weight: 700;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  align-self: center;
  border: 1.5px solid var(--mug-line);
}
.dot.white { background: var(--cup-white); }
.dot.black { background: var(--cup-black); }

.reset-btn {
  font-family: "Karla", system-ui, sans-serif;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--btn-bg);
  border: 1.5px solid var(--btn-line);
  border-radius: 999px;
  padding: 7px 16px;
  cursor: pointer;
  transition: background 0.15s ease;
}
.reset-btn:hover { border-color: var(--accent); }

.reset-btn:focus-visible,
.home-link:focus-visible,
.cup:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.progress {
  max-width: 980px;
  margin: 10px auto 0;
  height: 6px;
  border-radius: 999px;
  background: var(--bar-track);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: var(--accent);
  border-radius: 999px;
  transition: width 0.25s ease;
}

main {
  max-width: 980px;
  margin: 0 auto;
  padding: 22px 24px 60px;
}

.groups {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
@media (max-width: 760px) {
  .groups { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 500px) {
  .groups { grid-template-columns: 1fr; }
}

.group {
  background: var(--card);
  border: 1px solid var(--card-line);
  border-radius: 14px;
  padding: 10px 10px 12px;
}

.group-title {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin: 0 0 8px;
}

.cups {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0;
}

.cup {
  appearance: none;
  background: none;
  border: none;
  padding: 1px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  --cup-fill: var(--cup-white);
  --cup-stroke: var(--mug-line);
}
.cup:hover { background: color-mix(in srgb, var(--accent) 10%, transparent); }
.cup svg {
  width: 100%;
  max-width: 42px;
  aspect-ratio: 1;
  height: auto;
  display: block;
  transition: transform 0.12s ease;
}
.cup:active svg { transform: scale(0.88); }
.cup[aria-pressed="true"] { --cup-fill: var(--cup-black); }

@media (prefers-reduced-motion: reduce) {
  .cup svg, .progress-fill, .reset-btn, .home-link { transition: none; }
}