/* ---------------------------------------------------------------------------
   Design tokens. Light is the default (:root); the other palettes key off a
   data-theme attribute set on <html> by the inline head script + app.js.
   Each theme is self-contained so painting the page is just a var swap.
--------------------------------------------------------------------------- */
:root,
:root[data-theme='light'] {
  --bg: #eeeff1;
  --panel: #ffffff;
  --panel-2: #f1f3f5;
  --panel-3: #eef0f3;
  --text: #1b1d22;
  --muted: #717784;
  --accent: #6d5ef0;
  --accent-2: #8b7cff;
  --accent-text: #ffffff;
  --border: #e6e8ec;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.04), 0 14px 30px -18px rgba(16, 24, 40, 0.22);
  --over: #e5484d;
  --match: #16a34a;
  --cell-empty: #eceef1;
  --font-head: 'Plus Jakarta Sans', system-ui, sans-serif;
  --font-body: 'Plus Jakarta Sans', system-ui, sans-serif;
}

:root[data-theme='dark'] {
  --bg: radial-gradient(1100px 620px at 80% -14%, #202533, transparent), #14151a;
  --panel: #1c1e26;
  --panel-2: #23262f;
  --panel-3: #2a2e39;
  --text: #e9eaee;
  --muted: #969cab;
  --accent: #2dd4bf;
  --accent-2: #5ee0d0;
  --accent-text: #06231f;
  --border: #2c303b;
  --shadow: 0 18px 44px -20px rgba(0, 0, 0, 0.65);
  --over: #ff6b6b;
  --match: #4ade80;
  --cell-empty: #2a2e39;
  --font-head: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Plus Jakarta Sans', system-ui, sans-serif;
}

:root[data-theme='sage'] {
  --bg: #f5f6f4;
  --panel: #ffffff;
  --panel-2: #eef1ec;
  --panel-3: #e7ebe5;
  --text: #1f2420;
  --muted: #6f766c;
  --accent: #1f9d62;
  --accent-2: #2bb877;
  --accent-text: #ffffff;
  --border: #e3e7df;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.04), 0 14px 30px -18px rgba(20, 40, 28, 0.2);
  --over: #e5484d;
  --match: #16a34a;
  --cell-empty: #e7ebe5;
  --font-head: 'Plus Jakarta Sans', system-ui, sans-serif;
  --font-body: 'Plus Jakarta Sans', system-ui, sans-serif;
}

:root[data-theme='rose'] {
  --bg: #faf5f6;
  --panel: #ffffff;
  --panel-2: #f6edf0;
  --panel-3: #f0e4e8;
  --text: #241a1f;
  --muted: #7c6c73;
  --accent: #d6336c;
  --accent-2: #e85a8b;
  --accent-text: #ffffff;
  --border: #eedde3;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.04), 0 14px 30px -18px rgba(40, 20, 30, 0.2);
  --over: #e5484d;
  --match: #16a34a;
  --cell-empty: #f0e4e8;
  --font-head: 'Plus Jakarta Sans', system-ui, sans-serif;
  --font-body: 'Plus Jakarta Sans', system-ui, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0 0 86px;
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ---- Header ---- */
.topbar {
  max-width: 1440px;
  margin: 0 auto;
  padding: 26px 20px 8px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand h1 {
  margin: 0;
  font: 800 1.7rem/1 var(--font-head);
  letter-spacing: -0.01em;
}
.tagline {
  margin: 7px 0 0;
  color: var(--muted);
  font: 600 0.92rem/1.35 var(--font-body);
  max-width: 48ch;
}

.theme-switch {
  display: inline-flex;
  gap: 4px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 5px;
  box-shadow: var(--shadow);
}
.theme-switch button {
  border: none;
  background: transparent;
  color: var(--muted);
  font: 800 0.8rem/1 var(--font-body);
  padding: 8px 15px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.15s;
}
.theme-switch button:hover { color: var(--text); }
.theme-switch button.active {
  background: var(--accent);
  color: var(--accent-text);
}

/* ---- Layout ---- */
.layout {
  display: grid;
  grid-template-columns: 270px minmax(0, 1fr) 320px;
  gap: 18px;
  align-items: start;
  max-width: 1440px;
  margin: 0 auto;
  padding: 18px 20px;
}
@media (max-width: 980px) {
  .layout { grid-template-columns: minmax(0, 1fr); }
}

.col-center,
.col-right {
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-width: 0;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 18px;
  box-shadow: var(--shadow);
}
.panel h2 {
  margin: 0 0 12px;
  font: 800 0.72rem/1 var(--font-body);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.control-group { margin-bottom: 22px; }
.control-group:last-child { margin-bottom: 0; }

/* ---- Inputs ---- */
.grid-dims {
  display: flex;
  gap: 10px;
  margin-bottom: 10px;
}
.grid-dims label,
.field-label {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font: 800 0.68rem/1 var(--font-body);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--muted);
}
.field-label { margin-top: 12px; }
.grid-dims input,
.field-label input {
  width: 100%;
  background: var(--panel-3);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 10px;
  padding: 9px 10px;
  font: 700 1rem/1 var(--font-body);
}

/* ---- Buttons ---- */
.btn {
  width: 100%;
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 11px;
  padding: 11px 12px;
  font: 700 0.9rem/1 var(--font-body);
  cursor: pointer;
  margin-top: 8px;
  transition: border-color 0.15s, filter 0.15s, transform 0.05s;
}
.btn:first-of-type { margin-top: 0; }
.btn:hover { border-color: var(--accent); }
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--accent);
  color: var(--accent-text);
  border-color: transparent;
  font-weight: 800;
}
.btn-primary:hover { border-color: transparent; filter: brightness(1.06); }
.btn-wide {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px;
  font-weight: 800;
}

/* ---- Shape buttons ---- */
.shapes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.shape-btn {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 6px;
  font: 700 0.82rem/1 var(--font-body);
  cursor: pointer;
  transition: border-color 0.15s;
}
.shape-btn:hover { border-color: var(--accent); }
.shape-btn.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
  background: var(--panel-3);
}

/* ---- Palette ---- */
.palette {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}
.swatch {
  width: 42px;
  height: 42px;
  border-radius: 11px;
  border: 2px solid var(--border);
  cursor: pointer;
  transition: transform 0.08s;
}
.swatch:hover { transform: scale(1.08); }
.swatch.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent);
}
.swatch.eraser {
  background: repeating-conic-gradient(var(--muted) 0% 25%, var(--panel-2) 0% 50%) 50% / 14px 14px;
}

.hint {
  color: var(--muted);
  font: 500 0.76rem/1.45 var(--font-body);
  margin: 8px 0 0;
}
.hint.warn { color: var(--over); font-weight: 600; }

/* ---- Grid stage ---- */
.stage {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  overflow: auto;
  min-height: 360px;
}
.grid {
  display: grid;
  gap: 3px;
  background: var(--border);
  padding: 6px;
  border-radius: 12px;
  width: 100%;
  user-select: none;
  touch-action: none;
}
.cell {
  aspect-ratio: 1 / 1;
  background: var(--cell-empty);
  border-radius: 50%;
  cursor: crosshair;
  transition: transform 0.05s;
}
.cell:hover { transform: scale(1.12); z-index: 1; }
.cell.inactive {
  background: transparent;
  cursor: default;
  opacity: 0.1;
  pointer-events: none;
}
.cell.inactive:hover { transform: none; }

/* ---- Prep list ---- */
.tally .total {
  margin: 0 0 12px;
  font: 600 0.95rem/1.3 var(--font-body);
}
.tally .total strong { font-weight: 800; }
.tally-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.tally-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px solid var(--border);
}
.tally-list li:last-child { border-bottom: none; }
.tally-chip {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1px solid var(--border);
  flex-shrink: 0;
}
.tally-name { flex: 1; font: 600 0.92rem/1.2 var(--font-body); }
.tally-num { font: 800 0.95rem/1 var(--font-body); font-variant-numeric: tabular-nums; }

/* ---- Liquor panel ---- */
.slider-label {
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin-bottom: 6px;
}
.slider-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font: 800 0.72rem/1 var(--font-body);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--muted);
}
#strengthReadout {
  color: var(--accent);
  font-weight: 800;
  text-transform: none;
  letter-spacing: 0;
}
.slider-label input[type='range'] {
  width: 100%;
  accent-color: var(--accent);
  cursor: pointer;
}
.slider-ends {
  display: flex;
  justify-content: space-between;
  font: 600 0.7rem/1 var(--font-body);
  color: var(--muted);
}

.liquor-list {
  list-style: none;
  padding: 0;
  margin: 14px 0 12px;
}
.liquor-list li {
  display: grid;
  grid-template-columns: 1.6em 1fr auto;
  align-items: center;
  column-gap: 10px;
  row-gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}
.liquor-list li:last-child { border-bottom: none; }
.liquor-icon { text-align: center; font-size: 1.05rem; }
.liquor-name { font: 600 0.92rem/1.2 var(--font-body); }
.liquor-val {
  font: 800 1.05rem/1 var(--font-body);
  text-align: right;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
.liquor-sub {
  grid-column: 2 / -1;
  color: var(--muted);
  font: 500 0.76rem/1.4 var(--font-body);
}
.flavor-breakdown {
  grid-column: 2 / -1;
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.flavor-breakdown li {
  display: flex;
  align-items: center;
  gap: 7px;
  border: none;
  padding: 0;
  font: 500 0.78rem/1.3 var(--font-body);
  color: var(--muted);
}
.flavor-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 1px solid var(--border);
  flex-shrink: 0;
}

/* ---- Ads ---- */
.ad-mrec {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.ad-label {
  align-self: flex-start;
  font: 800 0.58rem/1 var(--font-body);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}
.ad-slot {
  border: 1px dashed var(--border);
  border-radius: 12px;
  background: repeating-linear-gradient(135deg, var(--panel-2), var(--panel-2) 11px, var(--panel-3) 11px, var(--panel-3) 22px);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  text-align: center;
  font: 600 0.72rem/1.5 ui-monospace, Menlo, monospace;
}
.ad-slot-mrec { width: 300px; max-width: 100%; height: 250px; }
.ad-slot-leaderboard { flex: 1; max-width: 728px; height: 54px; border-radius: 10px; }
.ad-slot-filled {
  border-style: solid;
  background: none;
  padding: 0;
  overflow: hidden;
}
.ad-slot-filled img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 11px;
}

.adbar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  background: var(--panel);
  border-top: 1px solid var(--border);
  box-shadow: 0 -10px 30px -18px rgba(0, 0, 0, 0.3);
  padding: 9px 14px;
}
.adbar .ad-label { align-self: center; margin: 0; flex-shrink: 0; }
.adbar-close,
.modal-close {
  flex-shrink: 0;
  border: none;
  background: var(--panel-2);
  color: var(--muted);
  border-radius: 50%;
  cursor: pointer;
  line-height: 1;
}
.adbar-close { width: 28px; height: 28px; font-size: 1.1rem; }
body.adbar-dismissed { padding-bottom: 28px; }
body.adbar-dismissed .adbar { display: none; }

/* ---- FAQ ---- */
.faq {
  max-width: 880px;
  margin: 14px auto 0;
  padding: 8px 20px;
}
.faq-title {
  text-align: center;
  margin: 0 0 6px;
  font: 800 1.5rem/1.1 var(--font-head);
  letter-spacing: -0.01em;
}
.faq-sub {
  text-align: center;
  margin: 0 0 20px;
  color: var(--muted);
  font: 600 0.9rem/1.4 var(--font-body);
}
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px 20px;
  box-shadow: var(--shadow);
}
.faq-item h3 {
  margin: 0 0 8px;
  font: 700 1.05rem/1.3 var(--font-head);
}
.faq-item p {
  margin: 0;
  color: var(--muted);
  font: 500 0.93rem/1.6 var(--font-body);
}

/* ---- Footer ---- */
.footer {
  max-width: 1440px;
  margin: 0 auto;
  padding: 12px 20px 8px;
  text-align: center;
  color: var(--muted);
  font: 600 0.8rem/1.5 var(--font-body);
}

/* ---- Instructions modal ---- */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(15, 18, 26, 0.55);
  backdrop-filter: blur(2px);
}
.modal-overlay[hidden] { display: none; }
.modal {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: 0 30px 70px -24px rgba(0, 0, 0, 0.55);
  width: 100%;
  max-width: 540px;
  max-height: 86vh;
  overflow: auto;
  padding: 26px 28px;
}
.modal-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 6px;
}
.modal-head h2 {
  margin: 0;
  font: 800 1.5rem/1.15 var(--font-head);
  letter-spacing: -0.01em;
}
.modal-close { width: 34px; height: 34px; font-size: 1.3rem; }
.modal-summary {
  margin: 0 0 18px;
  color: var(--muted);
  font: 600 0.92rem/1.5 var(--font-body);
}
.steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.steps li {
  display: flex;
  gap: 13px;
  align-items: flex-start;
  font: 500 0.95rem/1.55 var(--font-body);
}
.step-n {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-text);
  display: flex;
  align-items: center;
  justify-content: center;
  font: 800 0.9rem/1 var(--font-body);
}
.modal-foot {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font: 500 0.82rem/1.5 var(--font-body);
}
