:root {
  --bg: #0d1117;
  --panel: #161b22;
  --border: #2d333b;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #58a6ff;
  color-scheme: dark;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}
.topbar h1 { margin: 0; font-size: 16px; }
.topbar h1 .homelink { color: inherit; text-decoration: none; }
.topbar h1 .homelink:hover { color: var(--accent); }

/* --- ランディング（サイトトップ） ---------------------------------------- */
.hero { padding: 10px 4px 0; }
.hero h2 { margin: 0 0 8px; font-size: 22px; line-height: 1.4; }
.hero .sub { max-width: 720px; }

.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 14px;
}
.tool-card {
  display: block;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s;
}
.tool-card:hover { border-color: var(--accent); }
.tool-card h2 { color: var(--accent); }
.tool-card .link { font-size: 13px; }
.topbar .sub { color: var(--muted); font-weight: normal; }
.topbar .link { color: var(--accent); text-decoration: none; font-size: 13px; }
.topbar-right { display: flex; align-items: center; gap: 12px; }
.topbar-right select {
  padding: 4px 6px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 12px;
}

.layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  height: calc(100vh - 45px);
}

.sidebar {
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.sidebar input[type="search"] {
  margin: 10px;
  padding: 6px 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
}

.font-list {
  list-style: none;
  margin: 0;
  padding: 0 0 20px;
  overflow-y: auto;
  flex: 1;
}
.font-list li {
  padding: 6px 12px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 1px;
  border-left: 3px solid transparent;
}
.font-list li:hover { background: #1c2129; }
.font-list li.selected { background: #1c2733; border-left-color: var(--accent); }
.font-list .name { font-size: 13px; }
.font-list .meta { font-size: 11px; color: var(--muted); }

.content {
  padding: 14px 18px;
  overflow-y: auto;
  min-height: 0;
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: end;
  margin-bottom: 14px;
}
.controls label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
  color: var(--muted);
}
.controls label.grow { flex: 1; min-width: 220px; }
.controls input, .controls select {
  padding: 6px 8px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 13px;
}
.controls input[type="number"] { width: 72px; }
.controls label.check { flex-direction: row; align-items: center; }

.preview-wrap {
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #10151c;
  max-height: 55vh;
}
#preview { display: block; }

.info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 4px 16px;
  margin: 14px 0 4px;
  font-size: 13px;
}
.info dt { color: var(--muted); font-size: 11px; }
.info dd { margin: 0 0 8px; }

.license { color: var(--muted); font-size: 12px; }

.nav { display: flex; gap: 10px; font-size: 13px; }
.nav a { color: var(--muted); text-decoration: none; }
.nav a.current { color: var(--text); font-weight: 600; }
.nav a:hover { color: var(--accent); }

/* --- Generator（カード式の縦 1 カラム） --------------------------------- */

.gen-main {
  max-width: 880px;
  margin: 0 auto;
  padding: 18px 16px 60px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 18px;
}
.card h2 {
  margin: 0 0 12px;
  font-size: 15px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent);
  color: #0b1420;
  font-size: 13px;
  font-weight: 700;
}
.card .sub { color: var(--muted); font-size: 12px; line-height: 1.6; }
.card p { margin: 6px 0; }

.infobox, .warnbox {
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 6px;
  padding: 8px 12px;
  margin: 0 0 12px;
  font-size: 13px;
  color: var(--muted);
}
.infobox strong, .warnbox strong { color: var(--text); }
.warnbox { border-left-color: #e0b060; }

.gen-main button {
  padding: 6px 14px;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
}
.gen-main button:hover { border-color: var(--accent); }
.gen-main button.primary {
  background: var(--accent);
  color: #0b1420;
  border-color: var(--accent);
  font-weight: 600;
  padding: 7px 18px;
}
.gen-main button:disabled { opacity: 0.4; cursor: default; }

.chips { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 12px; }
.chip {
  padding: 4px 12px !important;
  border-radius: 999px !important;
  font-size: 12px !important;
}
.chip.on {
  background: var(--accent) !important;
  color: #0b1420 !important;
  border-color: var(--accent) !important;
  font-weight: 600;
}

#gfont-search {
  width: 100%;
  padding: 6px 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  margin: 4px 0 8px;
}
.fontlist {
  max-height: 280px;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 12px;
}
.fontlist .group {
  padding: 6px 12px 2px;
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.fontlist .row {
  padding: 5px 12px;
  cursor: pointer;
  display: flex;
  align-items: baseline;
  gap: 8px;
  border-left: 3px solid transparent;
}
.fontlist .row:hover { background: #1c2129; }
.fontlist .row.selected { background: #1c2733; border-left-color: var(--accent); }
.fontlist .row .name { font-size: 13px; }
.fontlist .row .meta { font-size: 11px; color: var(--muted); }

.gen-main textarea {
  padding: 6px 8px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 13px;
  font-family: inherit;
  resize: vertical;
}

.charsummary { font-size: 13px; margin: 8px 0; }

.charmap-details summary { cursor: pointer; color: var(--muted); font-size: 13px; }
.charmap {
  max-height: 320px;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 12px;
  margin-top: 8px;
}
.charmap .range-head { font-size: 11px; color: var(--muted); margin: 8px 0 2px; font-family: ui-monospace, monospace; }
.charmap .range-chars { font-size: 15px; line-height: 1.7; word-break: break-all; }

.stats {
  display: flex;
  gap: 28px;
  margin: 14px 0 8px;
}
.stats > div { display: flex; flex-direction: column; gap: 2px; }
.stats strong { font-size: 17px; }

.offer {
  border: 1px solid var(--accent);
  border-radius: 8px;
  padding: 10px 14px;
  margin: 12px 0;
  font-size: 13px;
}
.offer .controls { margin: 10px 0 0; }
#fb-text .miss-chars { font-family: ui-monospace, monospace; word-break: break-all; color: var(--muted); }

.code {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 12px;
  font-family: ui-monospace, monospace;
  overflow-x: auto;
  white-space: pre;
  margin: 8px 0;
}
.scrollbox { max-height: 260px; overflow-y: auto; }

.card h3.sub { margin: 14px 0 4px; font-size: 12px; }

/* --- Inspector: 被覆率バーとサイズ比較表 --------------------------------- */

.bar-row {
  display: grid;
  grid-template-columns: minmax(180px, 260px) 1fr 48px;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  margin: 3px 0;
}
.bar-label { color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bar {
  height: 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 5px;
  overflow: hidden;
}
.bar-fill { height: 100%; background: var(--accent); }
.bar-pct { text-align: right; font-variant-numeric: tabular-nums; }

.table {
  border-collapse: collapse;
  font-size: 13px;
  min-width: 320px;
}
.table th, .table td {
  border-bottom: 1px solid var(--border);
  padding: 5px 16px 5px 0;
  text-align: left;
}
.table th { color: var(--muted); font-size: 11px; font-weight: 600; }
.table td:nth-child(2) { font-variant-numeric: tabular-nums; }

.charsets fieldset, #axes fieldset {
  border: 1px solid var(--border);
  border-radius: 8px;
  margin: 0 0 8px;
  padding: 6px 10px 8px;
}
.charsets legend, #axes legend { font-size: 12px; color: var(--muted); padding: 0 4px; }
.set-check { display: inline-flex; align-items: center; gap: 4px; font-size: 13px; margin: 2px 12px 2px 0; }
.tier-row { display: flex; align-items: center; gap: 8px; font-size: 13px; margin: 4px 0; }
.tier-row span { min-width: 9em; color: var(--muted); }
.tier-row select {
  padding: 4px 6px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
}

.status { color: var(--muted); font-size: 13px; min-height: 1.2em; }
.issues { list-style: none; margin: 10px 0; padding: 0; font-size: 12px; font-family: ui-monospace, monospace; }
.issues li { padding: 2px 0; }
.issues li.error { color: #ff8080; }
.issues li.warning { color: #e0b060; }
.issues li.ok { color: #7fd77f; }

@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; height: auto; overflow: visible; }
  .sidebar { border-right: none; border-bottom: 1px solid var(--border); max-height: 40vh; }
  .stats { flex-wrap: wrap; gap: 14px; }
}