:root {
  --fg: #0f172a;
  --fg-soft: #1e293b;
  --muted: #64748b;
  --muted-2: #94a3b8;
  --bg: #f7f8fb;
  --bg-card: #ffffff;
  --bg-soft: #f1f3f7;
  --border: #e6e8ee;
  --border-strong: #d3d7de;

  --accent: #1f6feb;
  --accent-hover: #1a5dca;
  --accent-soft: #eaf2ff;

  --plus: #16a34a;
  --plus-soft: #ecfdf3;
  --minus: #b54141;
  --minus-soft: #fbf0f0;

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 14px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.08);
  --radius: 14px;
  --radius-sm: 10px;
  --tab-num: tabular-nums;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Inter", "Hiragino Sans", "Hiragino Kaku Gothic ProN",
    "Noto Sans JP", "Yu Gothic UI", "Segoe UI", system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.7;
  color: var(--fg);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

.plus  { color: var(--plus); }
.minus { color: var(--minus); }
.zero  { color: var(--muted); }
.muted { color: var(--muted); }
.mono  { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; }

/* ---- header ---- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.topbar-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
}
.brand {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--fg);
  white-space: nowrap;
}
.mainnav { display: flex; gap: 6px; flex-wrap: wrap; margin-left: auto; }
.navlink {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 999px;
  color: var(--fg-soft);
  font-size: 15px;
  font-weight: 500;
  transition: background .15s, color .15s, border-color .15s;
}
.navlink:hover { background: var(--accent-soft); color: var(--accent); }
.navlink.small { font-size: 14px; padding: 6px 12px; color: var(--muted); }
.stats-line {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px 12px;
  font-size: 13.5px;
  color: var(--muted);
}
.stats-line b { color: var(--fg-soft); font-weight: 600; }

main {
  max-width: 1120px;
  margin: 0 auto;
  padding: 32px 24px 80px;
}
h1.page-title {
  font-size: 30px;
  margin: 0 0 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
h2 { font-size: 22px; margin: 28px 0 12px; font-weight: 600; }
h3 { font-size: 18px; margin: 16px 0 8px; font-weight: 600; }
.back-link { margin-bottom: 14px; font-size: 15px; }

/* ---- search ---- */
.search {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: stretch;
  margin: 4px 0 16px;
}
.search-input {
  flex: 1 1 320px;
  font-size: 18px;
  padding: 15px 20px;
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  background: var(--bg-card);
  transition: border-color .12s, box-shadow .12s;
}
.search-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}
.btn-search {
  font-size: 16px;
  font-weight: 600;
  padding: 0 26px;
  background: var(--fg);
  color: white;
  border: 0;
  border-radius: 12px;
  cursor: pointer;
  white-space: nowrap;
  transition: background .12s, transform .08s;
}
.btn-search:hover { background: #1a2332; }
.btn-search:active { transform: translateY(1px); }
.btn-clear {
  display: inline-flex;
  align-items: center;
  padding: 0 18px;
  color: var(--muted);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  background: var(--bg-card);
  font-size: 15px;
}
.btn-clear:hover { background: var(--bg-soft); }

.search-status {
  margin: 6px 0 18px;
  color: var(--muted);
  font-size: 15px;
}
.search-status b { color: var(--fg); font-weight: 600; }
.search-status .hint { font-size: 13.5px; }

/* ---- forms (filter bar) ---- */
.finder {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  margin-bottom: 18px;
  box-shadow: var(--shadow-sm);
}
.finder label { font-size: 15px; display: flex; align-items: center; gap: 8px; }
.finder select,
.finder input[type="date"],
.finder input[type="text"] {
  font-size: 15px;
  padding: 8px 14px;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  background: white;
  color: var(--fg);
}
.btn {
  font-size: 15px;
  padding: 9px 18px;
  background: var(--accent);
  color: white;
  border: 0;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 500;
}
.btn:hover { background: var(--accent-hover); }
.btn-text { color: var(--muted); padding: 6px 12px; }

/* ---- sort chips ---- */
.sort-bar, .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin: 6px 0 22px;
  font-size: 15px;
}
.sort-label { color: var(--muted); font-size: 14px; margin-right: 6px; }
.chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: var(--bg-card);
  color: var(--fg-soft);
  font-size: 15px;
  font-weight: 500;
  transition: background .12s, color .12s, border-color .12s;
}
.chip:hover { background: var(--bg-soft); color: var(--accent); border-color: var(--accent); }
.chip.on {
  background: var(--fg);
  color: white;
  border-color: var(--fg);
}
.chip.on:hover { background: #1a2332; color: white; }
.filter-bar .sep { color: var(--border-strong); margin: 0 4px; }
.inline-form { display: inline; }

.result-count { color: var(--muted); margin: 8px 0 18px; font-size: 15px; }

/* ---- author cards ---- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
  margin-top: 8px;
}
.user-card {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px 16px;
  color: inherit;
  box-shadow: var(--shadow-sm);
  transition: transform .12s ease, box-shadow .15s ease, border-color .12s;
}
.user-card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  color: inherit;
}
.user-card.unqualified { background: var(--bg-soft); }
.user-name {
  font-size: 18.5px;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: -0.005em;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.user-name-text { word-break: break-all; }

.hensachi-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  padding: 2px 9px;
  border-radius: 999px;
  letter-spacing: 0.04em;
  background: var(--bg-soft);
  border: 1px solid var(--border-strong);
  color: var(--muted);
}
.hensachi-badge.low {
  background: var(--bg-soft);
  border-color: var(--border-strong);
  color: var(--muted);
}

.user-stats {
  display: flex;
  gap: 22px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}
.stat { display: flex; flex-direction: column; gap: 2px; }
.stat-num {
  font-size: 20px;
  font-weight: 700;
  line-height: 1;
  font-variant-numeric: var(--tab-num);
  color: var(--fg);
}
.stat-label { font-size: 13px; color: var(--muted); letter-spacing: 0.02em; }
.user-last {
  font-size: 13px;
  color: var(--muted-2);
  font-variant-numeric: var(--tab-num);
  margin-top: 6px;
}

/* card ROI line */
.profit-line {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 12px 14px;
  margin: 2px 0 14px;
  border-radius: var(--radius-sm);
  background: var(--bg-soft);
  font-variant-numeric: var(--tab-num);
  border: 1px solid transparent;
}
.profit-line.plus  { background: var(--plus-soft);  border-color: rgba(22,163,74,0.16); }
.profit-line.minus { background: var(--minus-soft); border-color: rgba(181,65,65,0.16); }
.profit-line .profit-num {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
}
.profit-line.plus  .profit-num { color: var(--plus); }
.profit-line.minus .profit-num { color: var(--minus); }
.profit-line .profit-unit {
  font-size: 18px;
  font-weight: 600;
  margin-left: 2px;
}
.profit-line .profit-caption {
  font-size: 12.5px;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.profit-line .roi {
  font-size: 14px;
  color: var(--muted);
  margin-left: auto;
  font-weight: 500;
}

/* ---- profile (author detail) ---- */
.profile {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 26px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}
.profile-name {
  font-size: 30px;
  margin: 0 0 16px;
  word-break: break-all;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.profile-summary { display: flex; gap: 32px; flex-wrap: wrap; }
.big-stat { display: flex; flex-direction: column; gap: 4px; }
.big-num {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.1;
  font-variant-numeric: var(--tab-num);
  letter-spacing: -0.01em;
}
.big-num.small { font-size: 15.5px; font-weight: 500; line-height: 1.4; color: var(--fg-soft); }
.big-num.ok { color: var(--plus); }
.big-num.muted { color: var(--muted); }
.big-label { font-size: 13px; color: var(--muted); letter-spacing: 0.02em; }

/* ROI banner */
.profit-banner {
  margin: 8px 0 22px;
  padding: 22px 26px;
  border-radius: var(--radius);
  background: var(--bg-card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}
.profit-banner::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: var(--border-strong);
}
.profit-banner.plus  { background: linear-gradient(180deg, var(--plus-soft) 0%, var(--bg-card) 70%); }
.profit-banner.plus::before { background: var(--plus); }
.profit-banner.minus { background: linear-gradient(180deg, var(--minus-soft) 0%, var(--bg-card) 70%); }
.profit-banner.minus::before { background: var(--minus); }
.banner-label {
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.banner-num {
  font-size: 50px;
  font-weight: 700;
  line-height: 1.1;
  font-variant-numeric: var(--tab-num);
  letter-spacing: -0.02em;
  margin: 4px 0 6px;
}
.profit-banner.plus  .banner-num { color: var(--plus); }
.profit-banner.minus .banner-num { color: var(--minus); }
.banner-sub { font-size: 14.5px; color: var(--muted); }

/* ---- date / race blocks ---- */
.day-block { margin-top: 30px; }
.day-title {
  font-size: 20px;
  font-weight: 700;
  padding-bottom: 8px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--border);
  letter-spacing: 0.01em;
}
.race-block {
  margin-top: 14px;
  padding-left: 14px;
  border-left: 2px solid var(--border);
}
.race-title { margin: 8px 0; font-size: 17px; font-weight: 600; }
.race-title a { color: var(--fg-soft); }
.race-title a:hover { color: var(--accent); }

/* ---- bet cards ---- */
.bet-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  margin: 10px 0;
  box-shadow: var(--shadow-sm);
  position: relative;
}
.bet-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--border-strong);
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}
.bet-card.card-ok::before { background: var(--plus); }
.bet-card.card-ng::before { background: var(--minus-2, #cbd5e1); }
.bet-card.card-win { background: linear-gradient(180deg, var(--plus-soft) 0%, var(--bg-card) 60%); }

.bet-head {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 8px;
}
.bet-status {
  display: inline-flex;
  align-items: center;
  font-weight: 600;
  font-size: 13px;
  padding: 3px 10px;
  border-radius: 999px;
  letter-spacing: 0.04em;
  background: var(--bg-soft);
  border: 1px solid var(--border-strong);
  color: var(--muted);
}
.bet-status.is-valid { color: var(--plus); background: var(--plus-soft); border-color: rgba(22,163,74,0.25); }
.bet-status.is-invalid { color: var(--minus); background: var(--minus-soft); border-color: rgba(181,65,65,0.25); }
.bet-time { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: 13.5px; }

.bet-list { list-style: none; margin: 0; padding: 0; }
.bet-list li {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: baseline;
  padding: 6px 0;
  border-bottom: 1px dashed rgba(15,23,42,0.06);
}
.bet-list li:last-child { border-bottom: 0; }
.bet-list .bt {
  display: inline-block;
  min-width: 56px;
  font-weight: 600;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  padding: 3px 10px;
  border-radius: 6px;
  font-size: 14px;
  text-align: center;
  color: var(--fg-soft);
}
.bet-list .combo {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.bet-list .stake {
  margin-left: auto;
  font-size: 16px;
  font-weight: 600;
  font-variant-numeric: var(--tab-num);
  color: var(--fg-soft);
}
.bet-list li.hit {
  background: var(--plus-soft);
  padding: 6px 8px;
  border-radius: 6px;
  margin: 2px 0;
}
.bet-list .payout {
  color: var(--plus);
  font-weight: 700;
  font-size: 15px;
  font-variant-numeric: var(--tab-num);
  width: 100%;
  margin-top: 2px;
}
.bet-list .payout-miss {
  color: var(--muted);
  font-size: 14px;
  width: 100%;
  margin-top: 2px;
}

.card-profit {
  margin-left: auto;
  font-size: 14px;
  font-weight: 600;
  padding: 3px 12px;
  border-radius: 999px;
  background: var(--bg-soft);
  border: 1px solid var(--border-strong);
  font-variant-numeric: var(--tab-num);
  color: var(--muted);
}
.card-profit.plus  { color: var(--plus);  background: var(--plus-soft); border-color: rgba(22,163,74,0.25); }
.card-profit.minus { color: var(--minus); background: var(--minus-soft); border-color: rgba(181,65,65,0.25); }

.reason {
  color: var(--muted);
  font-size: 13.5px;
  margin-top: 8px;
  padding: 7px 12px;
  background: var(--bg-soft);
  border-radius: 6px;
}
details.raw { margin-top: 8px; }
details.raw summary {
  font-size: 13px;
  color: var(--muted);
  cursor: pointer;
  user-select: none;
}
details.raw summary:hover { color: var(--accent); }
.raw-body {
  font-size: 14px;
  color: var(--fg-soft);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 12px;
  margin-top: 6px;
  word-break: break-all;
}

/* ---- race detail (per-author block) ---- */
.author-block {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}
.author-block:first-of-type { border-top: 0; padding-top: 0; }
.race-author {
  font-size: 19px;
  margin: 0 0 10px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  font-weight: 600;
}
.race-author a { color: var(--fg); }
.race-author a:hover { color: var(--accent); }
.author-meta { font-size: 13.5px; color: var(--muted); font-weight: 400; display: inline-flex; align-items: center; gap: 6px; }
.author-profit {
  margin-left: auto;
  font-size: 15.5px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 999px;
  background: var(--bg-soft);
  border: 1px solid var(--border-strong);
  font-variant-numeric: var(--tab-num);
}
.author-profit.plus  { color: var(--plus);  background: var(--plus-soft);  border-color: rgba(22,163,74,0.25); }
.author-profit.minus { color: var(--minus); background: var(--minus-soft); border-color: rgba(181,65,65,0.25); }
.author-sub { font-size: 13px; color: var(--muted); font-weight: 400; margin-left: 4px; }

/* ---- race grid ---- */
.race-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
}
.race-card {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  color: inherit;
  box-shadow: var(--shadow-sm);
  transition: transform .12s ease, box-shadow .15s ease, border-color .12s;
}
.race-card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
  color: inherit;
}
.race-name { font-size: 17px; font-weight: 600; margin-bottom: 6px; letter-spacing: -0.005em; }
.race-stats { font-size: 14px; color: var(--muted); display: flex; gap: 8px; align-items: baseline; }
.race-stats .ok { color: var(--plus); }
.race-stake {
  font-size: 14px;
  color: var(--muted);
  margin-top: 4px;
  font-variant-numeric: var(--tab-num);
}

.pager { display: flex; justify-content: center; gap: 14px; align-items: center; padding: 28px 0; }
.empty-state {
  text-align: center;
  padding: 56px 16px;
  color: var(--muted);
  font-size: 16px;
  background: var(--bg-card);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
}

.footbar {
  padding: 24px 16px;
  text-align: center;
  color: var(--muted-2);
  border-top: 1px solid var(--border);
  margin-top: 32px;
  font-size: 13px;
}

/* ---- responsive ---- */
@media (max-width: 720px) {
  body { font-size: 16.5px; }
  main { padding: 24px 16px 60px; }
  h1.page-title { font-size: 26px; }
  .profile { padding: 20px 18px; }
  .profile-name { font-size: 24px; }
  .banner-num { font-size: 40px; }
  .profit-line .profit-num { font-size: 28px; }
  .topbar-inner { padding: 12px 16px; gap: 12px; }
  .stats-line { padding: 0 16px 10px; }
  .search-input { font-size: 17px; padding: 13px 16px; }
  .btn-search { font-size: 15px; padding: 0 20px; }
  .bet-list .combo { font-size: 17px; }
  .stat-num { font-size: 19px; }
  .card-grid { gap: 12px; }
  .user-card { padding: 16px 16px 14px; }
}