/* ManiaMapAnalyser — Usage Statistics dashboard styles.
   Loaded as a separate asset (go:embed) so the HTML stays small and the
   stylesheet can be browser-cached independently. */

/* ── Themes ────────────────────────────────────────── */
:root {
  /* light (default) */
  --bg: #f6f9fc;
  --panel: #ffffff;
  --panel-2: #fafbfd;
  --border: #e6e9ef;
  --border-strong: #d1d6e0;
  --fg: #0a2540;
  --fg-dim: #425466;
  --muted: #697386;
  --accent: #635bff;
  --accent-2: #7c75ff;
  --accent-soft: rgba(99, 91, 255, .08);
  --ok: #0d9c5f;
  --danger: #cf1e3b;
  --warm: #f5a623;
  --track: #ebeef3;
  --grid: #ebeef3;
  --shadow: 0 1px 2px rgba(60, 66, 87, .04), 0 1px 3px rgba(60, 66, 87, .06);
  --shadow-strong: 0 4px 12px rgba(60, 66, 87, .10);
  --tip-bg: #1a1f36;
  --tip-fg: #fff;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}
:root[data-theme="dark"] {
  --bg: #0b1020;
  --panel: #131a2c;
  --panel-2: #0f1424;
  --border: #1f2a40;
  --border-strong: #2c3a55;
  --fg: #e5e7eb;
  --fg-dim: #b6bccb;
  --muted: #7a8499;
  --accent: #7c75ff;
  --accent-2: #9b94ff;
  --accent-soft: rgba(124, 117, 255, .12);
  --ok: #34d399;
  --danger: #f87171;
  --warm: #fbbf24;
  --track: #1a2238;
  --grid: #232b40;       /* darker so gridlines stay subtle on dark panels */
  --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 1px 3px rgba(0, 0, 0, .25);
  --shadow-strong: 0 4px 12px rgba(0, 0, 0, .4);
  --tip-bg: #1a1f36;
  --tip-fg: #fff;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--fg);
  min-height: 100vh;
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color .25s ease, color .25s ease;
}
.tabular { font-variant-numeric: tabular-nums; font-feature-settings: "tnum"; }

/* ── Header ────────────────────────────────────────── */
header {
  max-width: 1180px; margin: 0 auto; padding: 36px 28px 24px;
}
header .top {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; flex-wrap: wrap;
}
header h1 {
  font-size: 22px; font-weight: 600; margin: 0; letter-spacing: -.015em;
  color: var(--fg);
}
header h1 .dim { color: var(--muted); font-weight: 500; }
header .sub {
  color: var(--fg-dim); font-size: 13.5px; margin: 6px 0 0;
}
.meta {
  color: var(--muted); font-size: 12.5px; margin-top: 18px;
  display: flex; gap: 16px; flex-wrap: wrap; align-items: center;
}
.meta .live { color: var(--ok); display: inline-flex; align-items: center; gap: 6px; font-weight: 500; }
.meta .live::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--ok); box-shadow: 0 0 0 3px rgba(52, 211, 153, .18);
}
:root:not([data-theme="dark"]) .meta .live::before {
  box-shadow: 0 0 0 3px rgba(13, 156, 95, .15);
}
.meta .sep { color: var(--border-strong); }

/* ── Controls (range + theme toggle) ─────────────────── */
.controls { display: flex; align-items: center; gap: 10px; }
.range {
  display: inline-flex; background: var(--panel);
  border: 1px solid var(--border); border-radius: 8px; overflow: hidden;
  box-shadow: var(--shadow);
}
.range button {
  background: transparent; color: var(--fg-dim); border: none;
  padding: 8px 18px; font-size: 13px; cursor: pointer;
  transition: color .15s ease, background .15s ease;
  border-right: 1px solid var(--border);
  font-weight: 500;
}
.range button:last-child { border-right: none; }
.range button:hover { color: var(--fg); background: var(--panel-2); }
.range button.active { background: var(--accent); color: #fff; font-weight: 600; }
.theme-btn {
  width: 40px; height: 40px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow);
  color: var(--fg-dim);
  transition: color .15s ease, background .15s ease, border-color .15s ease;
}
.theme-btn:hover { color: var(--fg); border-color: var(--border-strong); }
.theme-btn svg { width: 18px; height: 18px; }
:root[data-theme="dark"] .theme-btn .icon-sun { display: inline; }
:root[data-theme="dark"] .theme-btn .icon-moon { display: none; }
:root:not([data-theme="dark"]) .theme-btn .icon-sun { display: none; }
:root:not([data-theme="dark"]) .theme-btn .icon-moon { display: inline; }

main { max-width: 1180px; margin: 0 auto; padding: 8px 28px 56px; }

/* ── Cards (top stat row) — 8 cards, forced single row ── */
.cards {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}
@media (max-width: 1100px) { .cards { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 560px) { .cards { grid-template-columns: repeat(2, 1fr); } }
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 14px 12px;
  box-shadow: var(--shadow);
  transition: border-color .15s ease, background-color .25s ease;
}
.card:hover { border-color: var(--border-strong); }
.card .v {
  font-family: var(--font-mono);
  font-size: 22px; font-weight: 600;
  letter-spacing: -.015em;
  color: var(--fg);
  line-height: 1.15;
}
.card .v .delta {
  font-family: var(--font-sans);
  font-size: 11.5px; font-weight: 600; margin-left: 6px;
  vertical-align: 2px;
}
.delta.up { color: var(--ok); }
.delta.down { color: var(--danger); }
.delta.flat { color: var(--muted); }
.card .k {
  font-size: 12px; color: var(--muted);
  margin-top: 6px;
  font-weight: 500;
}

/* ── Grids ─────────────────────────────────────────── */
.grid2, .grid3 { gap: 14px; margin-bottom: 14px; display: grid; align-items: stretch; }
.grid2 { grid-template-columns: repeat(2, 1fr); }
.grid3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 900px) { .grid2, .grid3 { grid-template-columns: 1fr; } }

.full { display: block; margin-bottom: 14px; }

/* ── Panels ────────────────────────────────────────── */
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 20px 16px;
  display: flex; flex-direction: column;
  min-width: 0;
  box-shadow: var(--shadow);
  transition: background-color .25s ease, border-color .25s ease;
}
.panel h2 {
  font-size: 13px; font-weight: 600;
  color: var(--fg);
  margin: 0 0 16px;
  display: flex; justify-content: space-between; align-items: baseline; gap: 10px;
}
.panel h2 small {
  color: var(--muted); font-weight: 400; font-size: 12px;
}
.panel .body { flex: 1; min-height: 0; min-width: 0; display: flex; flex-direction: column; }

/* ── Horizontal bar rows ───────────────────────────── */
.bars {
  display: flex; flex-direction: column;
  justify-content: space-around;
  gap: 10px;
  flex: 1;
  min-height: 170px;
  padding-right: 4px;
}
.bar-row {
  display: grid;
  grid-template-columns: 76px 1fr 100px;
  align-items: center;
  gap: 12px;
  font-size: 13px;
}
.bar-label {
  color: var(--fg);
  text-align: right;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-weight: 500;
}
.bar-track {
  background: var(--track);
  border-radius: 4px;
  height: 14px;
  overflow: hidden;
}
.bar-fill {
  height: 100%; border-radius: 4px;
  background: var(--accent);
  min-width: 2px;
  transform-origin: left;
  animation: growX .5s cubic-bezier(.22,.61,.36,1) both;
}
.bar-row:hover .bar-fill { background: var(--accent-2); }
@keyframes growX { from { transform: scaleX(0); } to { transform: scaleX(1); } }
.bar-count {
  text-align: left;
  color: var(--fg-dim);
  font-size: 12px;
  white-space: nowrap;
  font-weight: 500;
}
.bar-count .num { font-family: var(--font-mono); font-weight: 500; }
.bar-count .pct { color: var(--muted); margin-left: 6px; font-size: 11px; font-weight: 400; font-family: var(--font-mono); }

.more-btn {
  align-self: flex-start; margin-top: 10px;
  background: var(--panel); color: var(--accent);
  border: 1px solid var(--border); border-radius: 6px;
  padding: 5px 12px; font-size: 12px; cursor: pointer;
  font-weight: 500;
  transition: border-color .15s ease;
}
.more-btn:hover { border-color: var(--accent); }

/* ── Chart wrapper & svg ───────────────────────────── */
.chart-wrap { overflow-x: auto; }
.chart-wrap svg { display: block; }
svg text {
  fill: var(--muted);
  font-family: var(--font-mono);
  font-size: 9.5px;
}
svg line.grid { stroke: var(--grid); stroke-width: 1; }
svg .grow {
  transform-box: fill-box; transform-origin: bottom;
  animation: growY .45s cubic-bezier(.22,.61,.36,1) both;
}
@keyframes growY { from { transform: scaleY(0); } to { transform: scaleY(1); } }
svg .draw {
  stroke-dasharray: 2000; stroke-dashoffset: 2000;
  animation: draw 1.1s ease forwards;
}
@keyframes draw { to { stroke-dashoffset: 0; } }
svg .hover-guide { stroke: var(--accent); stroke-width: 1; stroke-dasharray: 3 3; opacity: .55; }
svg .hover-halo { fill: var(--accent); stroke: var(--panel); stroke-width: 2; opacity: .25; }
svg .hover-dot { fill: var(--accent); stroke: var(--panel); stroke-width: 2; }

/* Numeric difficulty chart uses slightly larger labels (per design). */
.numeric-chart svg text { font-size: 5.5px; }

/* Key count: split into two visual columns inside one panel (shared max). */
.bars-split .bars {
  display: block; /* override flex so CSS columns work */
  min-height: auto;
  overflow: visible;
  columns: 2;
  column-gap: 28px;
}
.bars-split .bar-row { break-inside: avoid; margin-bottom: 2px; }
@media (max-width: 600px) { .bars-split .bars { columns: 1; } }

/* ── Donut & legend ────────────────────────────────── */
.donut-wrap {
  position: relative;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}
.donut-wrap svg {
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
}
.legend {
  display: flex; flex-direction: column; gap: 8px;
  font-size: 12.5px; min-width: 0;
  margin-left: 124px;
  max-height: 100%;
  overflow-y: auto;
}
.legend-row {
  display: grid;
  grid-template-columns: 10px auto 80px;
  align-items: center;
  gap: 6px 10px;
}
.legend-row .lv { text-align: right; }
.legend-row .sw { width: 9px; height: 9px; border-radius: 2px; }
.legend-row .lk {
  color: var(--fg);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  font-weight: 500;
}
.legend-row .lv { color: var(--fg-dim); font-size: 12px; white-space: nowrap; font-weight: 500; }
.legend-row .lv .num { font-family: var(--font-mono); }
.legend-row .lv .pct { color: var(--muted); margin-left: 4px; font-size: 11px; font-weight: 400; font-family: var(--font-mono); }

/* ── Metric chips (single row, 8 cols) ─────────────── */
.chips {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}
@media (max-width: 1100px) { .chips { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 600px) { .chips { grid-template-columns: repeat(2, 1fr); } }
.chip {
  background: var(--panel);
  padding: 12px 14px;
  display: flex; flex-direction: column; gap: 4px;
  min-width: 0;
}
.chip .cv { font-family: var(--font-mono); font-size: 15px; font-weight: 600; color: var(--fg); letter-spacing: -.01em; word-break: break-word; }
.chip .ck { font-size: 11px; color: var(--muted); font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* Second metrics row (extrema): same 8-column grid as the first row.
   4 metrics × (min/max) = 8 chips. */
.chips-max { margin-top: 10px; }
@media (max-width: 1100px) { .chips-max { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 600px) { .chips-max { grid-template-columns: repeat(2, 1fr); } }

/* ── Empty / error states ──────────────────────────── */
.empty { color: var(--muted); font-size: 12.5px; padding: 24px 0; text-align: center; }
.error { color: var(--danger); font-size: 12.5px; padding: 24px 0; text-align: center; }

/* ── Tooltip ───────────────────────────────────────── */
#tip {
  position: fixed; z-index: 99; display: none; pointer-events: none;
  background: var(--tip-bg); color: var(--tip-fg);
  border-radius: 6px;
  padding: 8px 12px; font-size: 12.5px; max-width: 340px; line-height: 1.45;
  box-shadow: var(--shadow-strong);
  font-family: var(--font-sans);
}
#tip .tt-date { color: rgba(255,255,255,.6); font-size: 11px; margin-bottom: 4px; font-family: var(--font-mono); }
#tip .tt-row { display: flex; gap: 8px; align-items: center; }
#tip .tt-row .sw { width: 8px; height: 8px; border-radius: 2px; }
#tip .tt-row .lbl { color: rgba(255,255,255,.7); }
#tip .tt-row .v { font-family: var(--font-mono); }

footer {
  max-width: 1180px; margin: 0 auto; padding: 16px 28px 40px;
  color: var(--muted); font-size: 12px;
  display: flex; gap: 14px; flex-wrap: wrap;
}
footer .sep { color: var(--border-strong); }

/* ── Custom date range control ─────────────────────── */
.controls { flex-wrap: wrap; }
.custom { position: relative; display: inline-flex; align-items: center; }
.custom-btn {
  height: 38px; padding: 0 16px;
  background: var(--panel); color: var(--fg-dim);
  border: 1px solid var(--border); border-radius: 8px;
  cursor: pointer; font-size: 13px; font-weight: 500;
  box-shadow: var(--shadow);
  transition: color .15s ease, background .15s ease, border-color .15s ease;
}
.custom-btn:hover { color: var(--fg); border-color: var(--border-strong); }
.custom.active .custom-btn { background: var(--accent); color: #fff; border-color: var(--accent); font-weight: 600; }

/* Popup (opens downward from the button, animated). */
.custom-popup {
  position: absolute; top: calc(100% + 8px); right: 0; z-index: 50;
  min-width: 280px;
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 10px; box-shadow: var(--shadow-strong);
  padding: 14px;
  opacity: 0; transform: translateY(-6px) scale(.97);
  pointer-events: none;
  transition: opacity .18s ease, transform .18s ease;
}
.custom-popup.open { opacity: 1; transform: none; pointer-events: auto; }
@media (prefers-reduced-motion: reduce) { .custom-popup { transition: none; } }
.custom-field {
  display: flex; align-items: center; justify-content: space-between;
  gap: 10px; margin-bottom: 8px;
}
.custom-field label { font-size: 12px; color: var(--fg-dim); font-weight: 500; }
.custom-field input[type="date"] {
  background: var(--panel-2); color: var(--fg);
  border: 1px solid var(--border); border-radius: 6px;
  padding: 5px 8px; font-size: 12.5px; font-family: var(--font-mono);
  min-height: 32px;
}
.custom-field input[type="date"]:focus {
  outline: 2px solid var(--accent); outline-offset: 1px; border-color: transparent;
}
.custom-actions { display: flex; gap: 8px; margin-top: 10px; }
.apply-btn {
  background: var(--accent); color: #fff; border: none;
  border-radius: 6px; padding: 6px 14px; font-size: 12.5px;
  cursor: pointer; font-weight: 600; min-height: 34px;
  transition: background .15s ease;
}
.apply-btn:hover { background: var(--accent-2); }
.cancel-btn {
  background: var(--panel-2); color: var(--fg-dim);
  border: 1px solid var(--border); border-radius: 6px;
  padding: 6px 14px; font-size: 12.5px; cursor: pointer; font-weight: 500;
  min-height: 34px; transition: color .15s ease, border-color .15s ease;
}
.cancel-btn:hover { color: var(--fg); border-color: var(--border-strong); }
.custom-err { color: var(--danger); font-size: 12px; margin: 8px 0 0; }