:root {
  color-scheme: dark;
  --bg: #080b10;
  --panel: #0e141d;
  --panel-2: #131b27;
  --line: #273141;
  --ink: #f8fafc;
  --muted: #97a3b5;
  --yellow: #f6c90e;
  --lime: #b8f33b;
  --red: #ff5f57;
  --cyan: #51d8e8;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 76% -10%, rgba(246,201,14,.13), transparent 28rem),
    linear-gradient(180deg, #0b1018 0, var(--bg) 30rem);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
}
.watermark-layer {
  position: fixed; inset: -12vh -12vw; z-index: 4; pointer-events: none; overflow: hidden;
  display: grid; grid-template-columns: repeat(3, 1fr); grid-template-rows: repeat(4, 1fr);
  place-items: center; transform: rotate(-18deg); opacity: .035;
  color: #fff; font-size: clamp(.8rem, 1.7vw, 1.25rem); font-weight: 900; letter-spacing: .14em;
  user-select: none;
}
.watermark-layer span { white-space: nowrap; }
button, input, select { font: inherit; }
button, select { cursor: pointer; }
button:focus-visible, input:focus-visible, select:focus-visible { outline: 3px solid rgba(246,201,14,.45); outline-offset: 2px; }

.topbar {
  height: 58px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 9px; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 10px;
  display: grid; place-items: center;
  background: var(--yellow); color: #0a0c10; font-weight: 950; letter-spacing: -.08em;
  transform: skew(-6deg);
}
.eyebrow, .kicker { color: var(--yellow); font-size: .68rem; font-weight: 850; letter-spacing: .13em; text-transform: uppercase; }
.brand-title { font-size: .9rem; font-weight: 780; letter-spacing: .03em; }
.ghost-button, .dialog-close {
  border: 1px solid var(--line); background: rgba(255,255,255,.02); color: var(--ink);
  border-radius: 999px; padding: 7px 12px;
}

main { padding: 4px 24px 56px; }
.site-footer {
  max-width: 1224px; margin: 0 auto; padding: 28px 24px 42px; border-top: 1px solid var(--line);
  color: var(--muted); line-height: 1.6;
}
.site-footer div { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.site-footer strong { color: var(--yellow); letter-spacing: .08em; }
.site-footer span, .site-footer small { font-size: .82rem; }
.site-footer p { margin: 9px 0 4px; font-size: .78rem; }
.workspace { max-width: 1224px; margin: 0 auto; }
.intro-row {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 18px; align-items: end;
  padding: 14px 0 12px; border-top: 1px solid rgba(255,255,255,.06);
}
h1 { margin: 4px 0 6px; font-size: clamp(1.75rem, 3.4vw, 3.15rem); line-height: 1; letter-spacing: -.05em; max-width: 840px; }
.intro-copy { max-width: 720px; margin: 0; color: var(--muted); font-size: .88rem; line-height: 1.45; }
.snapshot { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); border-radius: 18px; overflow: hidden; background: rgba(14,20,29,.72); }
.snapshot div { padding: 10px 14px; min-width: 92px; }
.snapshot div + div { border-left: 1px solid var(--line); }
.snapshot strong { display: block; color: var(--yellow); font-size: 1.05rem; }
.snapshot span { display: block; color: var(--muted); font-size: .7rem; margin-top: 2px; white-space: nowrap; }

.control-deck { position: sticky; top: 7px; z-index: 5; background: rgba(14,20,29,.88); border: 1px solid var(--line); border-radius: 16px; padding: 9px; backdrop-filter: blur(16px); box-shadow: 0 14px 38px rgba(0,0,0,.25); }
.view-switch { display: inline-flex; gap: 3px; margin-bottom: 6px; padding: 3px; border: 1px solid var(--line); border-radius: 10px; background: #090e15; }
.view-switch button { min-width: 98px; border: 0; border-radius: 7px; padding: 6px 10px; color: var(--muted); background: transparent; font-size: .86rem; }
.view-switch button.active { color: #0a0c10; background: var(--yellow); font-weight: 850; }
.search-watermark {
  display: flex; align-items: center; justify-content: center; gap: 8px; margin: 0 0 6px; padding: 5px 10px;
  border: 1px solid rgba(246,201,14,.3); border-radius: 10px;
  background: linear-gradient(90deg, rgba(246,201,14,.035), rgba(246,201,14,.12), rgba(246,201,14,.035));
  color: var(--muted); text-align: center; letter-spacing: .08em;
}
.search-watermark span, .search-watermark em { font-size: .65rem; font-style: normal; }
.search-watermark strong { color: var(--yellow); font-size: .82rem; font-weight: 950; letter-spacing: .06em; text-shadow: 0 0 18px rgba(246,201,14,.25); }
.scope-notice {
  display: flex; align-items: center; justify-content: center; gap: 5px 16px; flex-wrap: wrap;
  margin: 0 0 6px; padding: 5px 10px; border: 1px solid rgba(81,216,232,.22); border-radius: 10px;
  background: rgba(81,216,232,.045); color: var(--muted); font-size: .7rem; line-height: 1.3;
}
.scope-notice span { display: inline-flex; align-items: center; gap: 6px; }
.scope-notice strong { color: var(--cyan); font-weight: 850; }
.search-box { min-height: 44px; display: flex; align-items: center; gap: 10px; padding: 0 12px; background: #090e15; border: 1px solid #303b4c; border-radius: 11px; }
.search-icon { color: var(--yellow); font-size: 1.25rem; }
.search-box input { flex: 1; min-width: 0; border: 0; outline: 0; background: transparent; color: var(--ink); font-size: .92rem; }
.search-box kbd { color: var(--muted); border: 1px solid var(--line); border-radius: 7px; padding: 3px 7px; font-size: .72rem; }
.filter-row { display: flex; align-items: center; gap: 8px; margin-top: 7px; flex-wrap: wrap; }
.reverse-controls {
  display: grid; grid-template-columns: minmax(210px, 1fr) auto minmax(180px, .72fr) minmax(280px, 1.45fr);
  gap: 10px; align-items: end; margin-top: 10px;
}
.reverse-field { display: grid; gap: 6px; }
.reverse-field > span { color: var(--muted); font-size: .75rem; font-weight: 750; }
.reverse-field select { width: 100%; }
.reverse-boost { min-height: 42px; align-items: center; }
.line-readout {
  min-height: 42px; display: grid; grid-template-columns: auto auto 1fr; gap: 10px; align-items: center;
  border: 1px solid var(--line); border-radius: 11px; padding: 7px 11px; background: #090e15;
}
.line-readout span { color: var(--muted); font-size: .78rem; white-space: nowrap; }
.line-readout span:first-child strong { color: var(--yellow); }
.line-readout span:nth-child(2) strong { color: var(--lime); }
.line-readout small { color: #cbd5e1; line-height: 1.35; }
.segmented { display: inline-flex; background: #090e15; border: 1px solid var(--line); border-radius: 12px; padding: 3px; }
.segmented button { border: 0; background: transparent; color: var(--muted); min-width: 54px; padding: 6px 10px; border-radius: 8px; }
.segmented button.active { color: #0a0c10; background: var(--yellow); font-weight: 850; }
select { min-height: 38px; border: 1px solid var(--line); border-radius: 10px; color: var(--ink); background: #090e15; padding: 0 34px 0 11px; font-size: .88rem; }
.check-filter { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: .9rem; padding: 0 8px; }
.check-filter input { accent-color: var(--yellow); width: 17px; height: 17px; }
.result-head { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 16px 2px 10px; }
.result-head p { margin: 0; color: var(--muted); }

.player-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.player-card {
  position: relative; min-height: 270px; text-align: left;
  border: 1px solid var(--line); border-radius: 18px; padding: 18px;
  background: linear-gradient(155deg, rgba(23,32,45,.96), rgba(11,16,24,.96)); color: var(--ink);
  overflow: hidden; transition: transform .18s ease, border-color .18s ease;
}
.player-card::before {
  content: "zzzDDong（2K）"; position: absolute; right: 14px; bottom: 10px; z-index: 0;
  color: rgba(255,255,255,.075); font-size: .66rem; font-weight: 900; letter-spacing: .08em;
  pointer-events: none;
}
.player-card > * { position: relative; z-index: 1; }
.player-card::after { content: ""; position: absolute; right: -46px; top: -56px; width: 150px; height: 150px; border: 28px solid rgba(255,255,255,.025); border-radius: 50%; }
.player-card:hover { transform: translateY(-3px); border-color: #526075; }
.card-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; }
.tier { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 12px; font-weight: 950; font-size: 1.25rem; color: #071015; background: var(--lime); }
.tier-A { background: var(--yellow); }
.tier-B { background: var(--cyan); }
.tier-C { background: #8b98aa; }
.verify { color: var(--muted); font-size: .74rem; border: 1px solid var(--line); border-radius: 999px; padding: 5px 8px; }
.verify.yes { color: var(--lime); border-color: rgba(184,243,59,.35); background: rgba(184,243,59,.07); }
.player-name { margin: 22px 0 4px; font-size: 1.38rem; letter-spacing: -.02em; }
.english-name { min-height: 20px; margin: 0 0 14px; color: #68768a; font-size: .78rem; }
.card-attribute { display: flex; justify-content: space-between; gap: 12px; margin: 0; color: var(--muted); }
.card-attribute span { color: #68768a; font-size: .78rem; }
.number-line { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 10px; margin-top: 24px; }
.number-line .number { font-size: 2rem; font-weight: 900; letter-spacing: -.05em; }
.number-line .number:last-child { text-align: right; color: var(--yellow); }
.boost-pill { color: #081015; background: var(--yellow); border-radius: 999px; padding: 5px 9px; font-weight: 900; font-size: .82rem; }
.scale-line { margin: 8px 0 0; min-height: 18px; font-size: .72rem; font-weight: 800; letter-spacing: .01em; }
.scale-line.confirmed, .option-scale.confirmed, .confirmed-text { color: var(--lime); }
.scale-line.pending, .option-scale.pending { color: #ffb36b; }
.unlock { margin: 17px 0 0; color: #d7dee9; line-height: 1.45; min-height: 44px; }
.badge-strip { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 14px; }
.badge-chip { font-size: .72rem; color: #cbd5e1; background: rgba(255,255,255,.045); border: 1px solid var(--line); border-radius: 999px; padding: 5px 8px; }
.badge-chip.silver { color: #e8edf5; border-color: #8290a3; }
.badge-chip.bronze { color: #eeb27b; border-color: #8a5331; }
.badge-quality-list { gap: 9px; }
.badge-2k { display: inline-flex; align-items: center; gap: 7px; padding: 6px 9px; }
.badge-2k strong { font-size: .66rem; font-weight: 900; border-radius: 999px; padding: 2px 6px; background: rgba(255,255,255,.07); }
.badge-2k.quality-legend { color: #72e6ff; border-color: rgba(114,230,255,.65); background: rgba(38,167,207,.12); }
.badge-2k.quality-hof { color: #ff8cff; border-color: rgba(255,140,255,.55); background: rgba(187,69,209,.1); }
.badge-2k.quality-gold { color: #ffd85a; border-color: rgba(255,216,90,.55); background: rgba(246,201,14,.08); }
.badge-2k.quality-silver { color: #e7edf7; border-color: #8290a3; background: rgba(200,210,225,.06); }
.badge-2k.quality-bronze { color: #efad72; border-color: #8a5331; background: rgba(155,83,38,.08); }
.badge-2k.quality-unknown { color: var(--muted); border-style: dashed; }
.ovr { display: grid; width: 50px; height: 50px; place-items: center; border-radius: 14px; background: var(--yellow); color: #091017; font-size: 1.3rem; font-weight: 950; line-height: .8; }
.ovr small, .detail-tier small { display: block; font-size: .55rem; letter-spacing: .08em; }
.roster-card { min-height: 292px; }
.plan-card { min-height: 300px; }
.reverse-card { min-height: 360px; }
.reverse-rank { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 12px; color: #0a0c10; background: var(--yellow); font-weight: 950; }
.impact-strip { min-height: 29px; display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.impact-chip { border: 1px solid var(--line); border-radius: 999px; padding: 5px 8px; font-size: .72rem; color: var(--muted); background: rgba(255,255,255,.035); }
.impact-chip.action { color: #72e6ff; border-color: rgba(81,216,232,.4); background: rgba(81,216,232,.07); }
.impact-chip.green { color: var(--lime); border-color: rgba(184,243,59,.4); background: rgba(184,243,59,.07); }
.impact-chip.yellow { color: var(--yellow); border-color: rgba(246,201,14,.4); background: rgba(246,201,14,.07); }
.impact-chip.badge-impact { color: #ffb8f7; border-color: rgba(255,140,255,.4); background: rgba(187,69,209,.08); }
.impact-chip.full-step { color: var(--lime); border-color: rgba(184,243,59,.4); background: rgba(184,243,59,.07); }
.impact-chip.pending { color: #ffb36b; border-color: rgba(255,179,107,.42); background: rgba(255,179,107,.07); }
.role-pill { color: var(--yellow); background: rgba(246,201,14,.08); border: 1px solid rgba(246,201,14,.28); border-radius: 999px; padding: 6px 9px; font-size: .75rem; font-weight: 800; }
.plan-reason { min-height: 42px; font-size: .9rem; color: #d9e1ec; }
.mini-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 7px; margin-top: 18px; }
.mini-stats div { border: 1px solid var(--line); border-radius: 11px; padding: 9px; background: rgba(0,0,0,.12); }
.mini-stats span, .mini-stats small { display: block; color: var(--muted); font-size: .68rem; }
.mini-stats small.recommended-hint { color: var(--cyan); font-weight: 900; }
.mini-stats small.line-hint.yellow { color: var(--yellow); font-weight: 900; }
.mini-stats small.line-hint.green { color: var(--lime); font-weight: 900; }
.mini-stats strong { display: block; margin: 3px 0; font-size: 1.15rem; }
.mini-stats strong.stat-base { color: #f5f7fb; }
.mini-stats strong.stat-yellow { color: var(--yellow); }
.mini-stats strong.stat-green { color: var(--lime); }
.empty { padding: 80px 20px; text-align: center; border: 1px dashed var(--line); border-radius: 18px; color: var(--muted); }
.empty strong, .empty span { display: block; }
.empty strong { color: var(--ink); font-size: 1.2rem; margin-bottom: 8px; }

.dialog { width: min(760px, calc(100% - 28px)); max-height: min(86vh, 900px); overflow: auto; border: 1px solid #354155; border-radius: 22px; padding: 28px; background: #0d131d; color: var(--ink); box-shadow: 0 30px 90px rgba(0,0,0,.65); }
.dialog::after {
  content: "zzzDDong（2K） · ALL STAR SHOE LAB"; position: fixed; right: 28px; bottom: 20px;
  color: rgba(255,255,255,.12); font-size: .68rem; font-weight: 900; letter-spacing: .08em;
  pointer-events: none;
}
.dialog::backdrop { background: rgba(3,6,10,.76); backdrop-filter: blur(8px); }
.dialog-close { position: sticky; float: right; top: 0; z-index: 2; width: 42px; height: 42px; padding: 0; font-size: 1.4rem; }
.detail-title { margin: 8px 0 4px; font-size: 2.2rem; }
.detail-sub { color: var(--muted); margin: 0 0 26px; }
.detail-hero { display: grid; grid-template-columns: 110px 1fr; gap: 22px; align-items: center; margin-top: 16px; }
.detail-tier { width: 108px; height: 108px; border-radius: 24px; display: grid; place-items: center; background: var(--yellow); color: #0a0c10; font-size: 3rem; font-weight: 950; }
.metric-row { display: grid; grid-template-columns: 1fr auto 1fr; gap: 10px; align-items: center; border: 1px solid var(--line); border-radius: 16px; padding: 16px; margin: 18px 0; }
.metric-row strong { font-size: 1.9rem; }
.metric-row strong:last-child { color: var(--yellow); text-align: right; }
.detail-section { margin-top: 26px; }
.detail-section h3 { margin: 0 0 10px; font-size: 1rem; }
.detail-section p { color: #cbd5e1; line-height: 1.65; }
.badge-list { display: flex; gap: 8px; flex-wrap: wrap; }
.status-note { color: var(--muted); font-size: .9rem; line-height: 1.6; }
.focus-banner { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin: 20px 0; padding: 15px 17px; border: 1px solid rgba(246,201,14,.38); border-radius: 14px; background: rgba(246,201,14,.08); }
.focus-banner strong { font-size: 1.1rem; }
.focus-banner em, .recommendation-list em { color: var(--yellow); font-style: normal; }
.focus-banner span { color: var(--yellow); text-align: right; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 14px; }
.stats-table { width: 100%; border-collapse: collapse; }
.stats-table th, .stats-table td { padding: 11px 14px; border-bottom: 1px solid var(--line); text-align: right; }
.stats-table tr:last-child th, .stats-table tr:last-child td { border-bottom: 0; }
.stats-table th:first-child { text-align: left; }
.stats-table thead th { color: var(--muted); font-size: .75rem; font-weight: 700; background: rgba(255,255,255,.025); }
.stats-table td.stat-base { color: #f5f7fb; }
.stats-table td.stat-yellow { color: var(--yellow); font-weight: 850; }
.stats-table td.stat-green { color: var(--lime); font-weight: 850; }
.stat-value strong { display: block; font-size: 1rem; }
.crossing-row { background: linear-gradient(90deg, rgba(246,201,14,.09), rgba(246,201,14,.025)); }
.crossing-row.cross-yellow { box-shadow: inset 4px 0 0 var(--yellow); }
.crossing-row.cross-green { background: linear-gradient(90deg, rgba(184,243,59,.1), rgba(184,243,59,.025)); box-shadow: inset 4px 0 0 var(--lime); }
.crossing-row th { color: var(--ink); font-weight: 900; }
.recommended-row:not(.crossing-row) { background: linear-gradient(90deg, rgba(81,216,232,.08), rgba(81,216,232,.018)); box-shadow: inset 4px 0 0 var(--cyan); }
.recommended-row th { color: var(--ink); font-weight: 900; }
.line-opportunity { display: inline-flex; align-items: center; gap: 5px; margin-top: 6px; border: 1px solid rgba(246,201,14,.48); border-radius: 8px; overflow: hidden; color: var(--yellow); background: rgba(6,9,14,.75); font-size: .68rem; font-weight: 850; }
.line-opportunity b { padding: 4px 7px; color: #0a0c10; background: var(--yellow); font-weight: 950; }
.line-opportunity span { padding: 4px 7px 4px 2px; }
.line-opportunity.green { color: var(--lime); border-color: rgba(184,243,59,.55); }
.line-opportunity.green b { background: var(--lime); }
.recommended-opportunity { display: inline-flex; align-items: center; gap: 5px; margin-top: 6px; margin-right: 5px; border: 1px solid rgba(81,216,232,.5); border-radius: 8px; overflow: hidden; color: var(--cyan); background: rgba(6,9,14,.75); font-size: .68rem; font-weight: 850; }
.recommended-opportunity b { padding: 4px 7px; color: #081015; background: var(--cyan); font-weight: 950; }
.recommended-opportunity span { padding: 4px 7px 4px 2px; }
.integer-opportunity { display: inline-flex; align-items: center; gap: 5px; margin-top: 6px; border: 1px solid rgba(245,247,251,.28); border-radius: 8px; overflow: hidden; color: #f5f7fb; background: rgba(6,9,14,.62); font-size: .68rem; font-weight: 750; }
.integer-opportunity b { padding: 4px 7px; color: #0a0c10; background: #f5f7fb; font-weight: 950; }
.integer-opportunity span { padding: 4px 7px 4px 2px; }
.integer-opportunity.max span { padding-left: 7px; color: var(--muted); }
.integer-hint { color: #f5f7fb; }
.stat-legend { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 10px; }
.stat-legend span { border: 1px solid var(--line); border-radius: 999px; padding: 4px 8px; font-size: .72rem; }
.stat-legend .legend-base { color: #f5f7fb; }
.stat-legend .legend-recommended { color: var(--cyan); }
.stat-legend .legend-yellow { color: var(--yellow); }
.stat-legend .legend-green { color: var(--lime); }
.recommendation-list { display: grid; gap: 10px; }
.recommendation-list article { display: grid; grid-template-columns: 42px 1fr; gap: 12px; align-items: start; padding: 13px; border: 1px solid var(--line); border-radius: 13px; }
.recommendation-list .tier { width: 38px; height: 38px; font-size: 1rem; }
.recommendation-list p { margin: 5px 0; color: var(--yellow); }
.recommendation-list small { display: block; color: var(--muted); line-height: 1.5; }
.plan-mode-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.plan-panel { min-width: 0; border: 1px solid var(--line); border-radius: 15px; padding: 13px; background: rgba(0,0,0,.12); }
.plan-panel-head { display: flex; justify-content: space-between; gap: 8px; align-items: center; padding-bottom: 10px; border-bottom: 1px solid var(--line); }
.plan-panel-head strong { color: var(--yellow); }
.plan-panel-head span { color: var(--muted); font-size: .72rem; }
.plan-options { display: grid; gap: 9px; margin-top: 10px; }
.plan-option { display: grid; grid-template-columns: 25px 1fr; gap: 8px; align-items: start; }
.shoe-rank { width: 24px; height: 24px; display: grid; place-items: center; border-radius: 7px; background: var(--yellow); color: #0a0c10; font-size: .75rem; font-weight: 950; }
.plan-option strong { display: block; font-size: .86rem; }
.plan-option em { color: var(--yellow); font-style: normal; }
.plan-option p { margin: 3px 0 2px; color: #cbd5e1; font-size: .76rem; line-height: 1.35; }
.plan-option .option-scale { font-weight: 800; }
.plan-option small { display: block; color: var(--muted); font-size: .7rem; line-height: 1.45; }
.separated { padding-top: 22px; border-top: 1px solid var(--line); }
.warning { padding: 10px 12px; border-left: 3px solid var(--red); background: rgba(255,95,87,.05); }
.subdued { opacity: .72; }
.method-dialog h2 { font-size: 2.3rem; margin: 8px 0 24px; }
.method-list { list-style: none; padding: 0; margin: 0; }
.method-list li { display: grid; grid-template-columns: 130px 1fr; gap: 16px; padding: 16px 0; border-top: 1px solid var(--line); }
.method-list span, .fine-print { color: var(--muted); line-height: 1.6; }
.fine-print { margin-top: 22px; font-size: .88rem; }
.fine-print a { color: var(--yellow); }
.line-guide { margin-top: 24px; border: 1px solid var(--line); border-radius: 14px; padding: 14px; background: rgba(0,0,0,.12); }
.line-guide summary { cursor: pointer; color: var(--yellow); font-weight: 800; }
.line-guide .table-wrap { margin-top: 14px; max-height: 420px; overflow: auto; }
.line-guide .stats-table tbody td:nth-child(2) { color: var(--yellow); font-weight: 850; }
.line-guide .stats-table tbody td:nth-child(3) { color: var(--lime); font-weight: 850; }

@media (max-width: 900px) {
  .intro-row { grid-template-columns: 1fr; }
  .snapshot { width: 100%; }
  .player-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .plan-mode-grid { grid-template-columns: 1fr; }
  .reverse-controls { grid-template-columns: 1fr 1fr; }
  .line-readout { grid-column: 1 / -1; }
}
@media (max-width: 620px) {
  .topbar { height: 52px; padding: 0 12px; }
  .brand-mark { width: 30px; height: 30px; border-radius: 8px; font-size: .85rem; }
  .eyebrow { font-size: .58rem; }
  .brand-title { font-size: .78rem; }
  .ghost-button { padding: 6px 10px; font-size: .8rem; }
  main { padding: 0 10px 40px; }
  .intro-row { gap: 8px; padding: 9px 0 9px; }
  .intro-row .kicker { display: none; }
  h1 { margin-top: 0; font-size: 1.7rem; }
  .intro-copy { font-size: .76rem; line-height: 1.4; }
  .snapshot div { padding: 7px 5px; min-width: 0; }
  .snapshot strong { font-size: .92rem; }
  .snapshot span { font-size: .64rem; }
  .filter-row { align-items: stretch; }
  .view-switch { display: flex; width: 100%; overflow-x: auto; }
  .view-switch button { flex: 1 0 auto; min-width: 78px; padding: 5px 8px; font-size: .78rem; }
  .segmented { width: 100%; }
  .segmented button { flex: 1; min-width: 0; }
  .reverse-controls { grid-template-columns: 1fr; }
  .reverse-boost { width: 100%; }
  .line-readout { grid-column: auto; grid-template-columns: auto auto; }
  .line-readout small { grid-column: 1 / -1; }
  .check-filter { min-height: 42px; }
  .player-grid { grid-template-columns: 1fr; }
  .result-head { align-items: flex-start; }
  .search-watermark { gap: 5px; padding: 4px 8px; }
  .search-watermark span, .search-watermark em { display: none; }
  .scope-notice { justify-content: center; gap: 4px 12px; padding: 4px 7px; }
  .scope-notice span { width: auto; }
  .search-box { min-height: 41px; }
  .search-box kbd { display: none; }
  .detail-hero { grid-template-columns: 76px 1fr; }
  .detail-tier { width: 76px; height: 76px; border-radius: 18px; font-size: 2rem; }
  .focus-banner { align-items: flex-start; flex-direction: column; }
  .focus-banner span { text-align: left; }
  .method-list li { grid-template-columns: 1fr; gap: 6px; }
  .watermark-layer { grid-template-columns: repeat(2, 1fr); font-size: .72rem; opacity: .032; }
  .site-footer { padding: 24px 16px 36px; }
}