:root{--bg:#f5f7fb;--card:#fff;--ink:#101828;--muted:#667085;--line:#e4e7ec;--accent:#0b6bff;--accent-2:#eff6ff;--danger:#ef4444;--ok:#16a34a;--dark:#09111f;--dark2:#0f1b2d}*{box-sizing:border-box}body{margin:0;background:linear-gradient(180deg,#f8fafc 0%,#f3f6fb 100%);color:var(--ink);font-family:Inter,system-ui,-apple-system,Segoe UI,Arial,sans-serif}a{color:var(--accent);text-decoration:none}.topbar{position:sticky;top:0;z-index:10;display:flex;justify-content:space-between;align-items:center;gap:18px;padding:16px 34px;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.brand{color:var(--ink);text-decoration:none}.brand-logo{display:inline-flex;align-items:center;gap:12px}.brand-logo strong{display:block;font-size:24px;line-height:1;font-weight:900}.brand-logo small{display:block;margin-top:4px;color:var(--muted);font-size:12px}.logo-mark{width:34px;height:34px;border:4px solid var(--accent);border-radius:11px;display:inline-block;position:relative}.logo-mark:after{content:"";position:absolute;right:2px;bottom:-8px;width:7px;height:7px;border:3px solid var(--accent);border-radius:50%;background:#fff}.public-nav{display:flex;gap:36px;align-items:center}.public-nav a{font-weight:800;color:var(--ink)}.container{max-width:1240px;margin:0 auto;padding:28px}.narrow{max-width:780px}.card{background:var(--card);border:1px solid var(--line);border-radius:24px;padding:24px;margin:0 0 22px;box-shadow:0 14px 42px rgba(15,23,42,.07)}.hero{padding:24px 34px}.hero h1{font-size:28px;margin:0 0 14px}.search{display:flex;gap:12px}.search input{height:44px}.search button{min-width:74px}input,textarea,select{width:100%;border:1px solid var(--line);border-radius:12px;padding:12px 14px;font:inherit;background:#fff;color:var(--ink)}textarea{min-height:96px}button,.button{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:12px;background:var(--accent);color:white;padding:11px 16px;text-decoration:none;font-weight:800;cursor:pointer}.danger{background:var(--danger)!important}.ghost-link,.ghost-button{display:inline-flex;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.14);border-radius:12px;background:transparent;color:inherit;padding:10px 14px;text-decoration:none}.plain-link{font-weight:800}.home-layout{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(360px,.85fr);gap:22px;align-items:start}.periodic-card h2,.popular-card h2{margin-top:0}.periodic-grid{display:grid;grid-template-columns:repeat(18,minmax(36px,1fr));grid-template-rows:repeat(9,44px);gap:5px;overflow-x:auto;padding-bottom:8px}.el{display:grid;grid-template-rows:auto 1fr;align-items:center;justify-items:center;padding:4px 2px;border:1px solid var(--line);border-radius:8px;background:#f7fbff;color:var(--ink);font-weight:900;min-width:36px;cursor:pointer}.el:hover{outline:2px solid var(--accent)}.el-num{font-size:9px;line-height:1;color:var(--muted);font-weight:800}.el-symbol{font-size:13px;line-height:1.1}.el.s{background:#eaf6ff}.el.p{background:#f1ecff}.el.d{background:#fff5df}.el.f{background:#e9fff3}.reaction-card{border:1px solid var(--line);border-radius:16px;padding:14px 16px;margin:10px 0;background:#fff;overflow:hidden;transition:.15s}.reaction-card:hover{box-shadow:0 10px 24px rgba(15,23,42,.08);transform:translateY(-1px)}.reaction-link{text-decoration:none;color:var(--ink)}.reaction-eq{font-size:17px;font-weight:800;line-height:1.35;display:grid;grid-template-columns:minmax(0,1fr) 118px minmax(0,1fr);column-gap:20px;align-items:center;width:100%}.reaction-eq.big{font-size:38px;margin:34px 0 18px;grid-template-columns:minmax(0,1fr) 150px minmax(0,1fr);column-gap:28px}.rx-side{min-width:0;word-break:normal;overflow-wrap:anywhere}.rx-left{text-align:right}.rx-right{text-align:left}.rx-arrowbox{display:grid;grid-template-rows:22px 34px;align-items:center;justify-items:center;min-width:118px;align-self:center}.rx-cond{font-size:.62em;line-height:1;color:#000;min-height:20px;text-align:center;font-weight:900;display:flex;align-items:flex-end;justify-content:center}.rx-cond.empty{visibility:hidden}.rx-arrow{font-size:42px;line-height:1;color:#000;display:block;transform:none;font-weight:700} .reaction-eq.big .rx-arrow{font-size:56px}.reaction-eq.big .rx-arrowbox{grid-template-rows:28px 42px;min-width:150px}.reaction-name{margin-top:7px;color:var(--muted);font-size:13px;font-weight:700}.similar-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.similar-grid .reaction-card{margin:0}.similar-grid .reaction-eq{font-size:15px;grid-template-columns:minmax(0,1fr) 104px minmax(0,1fr);column-gap:14px}.similar-grid .rx-arrowbox{min-width:104px}.similar-grid .rx-arrow{font-size:36px}.ad{border:1px solid #cfe0ff;background:#f5f9ff;border-radius:14px;padding:15px;margin:16px 0;text-align:center;font-weight:900;color:var(--accent)}.ad.compact{margin-top:24px}.footer-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:22px 0}.info-card{display:grid;gap:10px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;color:var(--ink);box-shadow:0 10px 28px rgba(15,23,42,.05)}.info-card span{color:var(--muted);font-size:14px}.footer{max-width:1240px;margin:0 auto;padding:28px;color:var(--muted)}.footer-grid{display:flex;align-items:center;gap:28px;border-top:1px solid var(--line);padding-top:24px}.footer-grid .brand-logo{margin-right:auto}.footer-grid .brand-logo strong{font-size:22px}.footer-copy{text-align:center;margin-top:22px}.breadcrumbs{display:flex;gap:9px;align-items:center;color:var(--muted);font-size:14px;margin-bottom:18px}.page-card h1{font-size:42px;margin:0 0 24px}.page-card p{font-size:18px;line-height:1.7}.feature-list{display:grid;gap:0;margin:26px 0}.feature-list div{display:grid;grid-template-columns:180px 1fr;gap:18px;padding:18px 0;border-top:1px solid var(--line)}.feature-list span{color:var(--muted)}.notice{border:1px solid #b8d4ff;background:#f7fbff;border-radius:18px;padding:20px;font-size:17px;font-weight:800}.clean-list{font-size:17px;line-height:1.8}.contact-email{font-size:28px;font-weight:900}.muted{color:var(--muted);font-size:14px}.error{color:var(--danger);font-weight:800}.stack{display:grid;gap:14px}.check{display:flex;align-items:center;gap:8px}.check input{width:auto}.inline{display:inline-flex}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px}.stats b{padding:18px;border-radius:16px;background:#101a2a;color:#dbeafe}.admin-body{background:var(--dark);color:#e5edf8;display:grid;grid-template-columns:240px 1fr;min-height:100vh}.admin-sidebar{position:sticky;top:0;height:100vh;background:#070f1c;border-right:1px solid rgba(255,255,255,.08);padding:22px}.admin-brand{color:#fff;margin-bottom:24px}.admin-brand .logo-mark:after{background:#070f1c}.admin-brand strong{font-size:18px}.admin-nav{display:grid;gap:8px}.admin-nav a,.admin-nav button{width:100%;justify-content:flex-start;color:#dbeafe;background:transparent;border:0;text-align:left;padding:12px;border-radius:12px;font-weight:800}.admin-nav a:hover,.admin-nav button:hover{background:#111d31}.admin-main{min-width:0}.admin-container{max-width:1280px;margin:0 auto;padding:28px}.admin-card{background:#0d1726;border:1px solid rgba(255,255,255,.09);border-radius:18px;padding:20px;margin-bottom:18px;box-shadow:0 18px 40px rgba(0,0,0,.25)}.admin-head{display:flex;justify-content:space-between;align-items:center;gap:16px}.admin-filters{display:flex;gap:12px}.admin-card input,.admin-card textarea,.admin-card select{background:#0b1322;border-color:rgba(255,255,255,.12);color:#e5edf8}.admin-row{display:flex;justify-content:space-between;gap:18px;align-items:center;border-bottom:1px solid rgba(255,255,255,.08);padding:14px 0}.admin-row:last-child{border-bottom:0}.admin-rx{min-width:0}.admin-rx .reaction-eq{font-size:15px;grid-template-columns:minmax(0,1fr) 104px minmax(0,1fr);column-gap:14px}.admin-rx .rx-arrowbox{min-width:104px}.admin-rx .rx-arrow{font-size:36px}.admin-actions{display:flex;gap:8px;align-items:center}.icon-button{width:36px;height:36px;border-radius:10px;background:#111d31;color:#dbeafe;border:1px solid rgba(255,255,255,.1);padding:0;display:inline-flex;align-items:center;justify-content:center}.form-actions{display:flex;justify-content:flex-end;gap:12px;align-items:center;margin-top:10px}sub{font-size:.68em}pre{white-space:pre-wrap;background:#050a13;color:#e6edf7;border-radius:16px;padding:16px;overflow:auto}@media(max-width:940px){.home-layout,.similar-grid,.footer-cards{grid-template-columns:1fr}.public-topbar{align-items:flex-start;flex-direction:column}.public-nav{gap:18px}.admin-body{grid-template-columns:1fr}.admin-sidebar{position:static;height:auto}.admin-nav{grid-template-columns:repeat(2,1fr)}.reaction-eq.big{font-size:28px}}@media(max-width:680px){.container{padding:16px}.topbar{padding:14px 16px}.hero{padding:20px}.search,.admin-filters{flex-direction:column}.periodic-grid{grid-template-columns:repeat(18,34px);grid-template-rows:repeat(9,42px)}.el{min-width:34px}.reaction-eq,.reaction-eq.big{font-size:18px;grid-template-columns:1fr;row-gap:8px;text-align:center}.rx-arrowbox,.reaction-eq.big .rx-arrowbox{min-width:0;grid-template-rows:20px 34px}.rx-left,.rx-right{text-align:center}.footer-grid{align-items:flex-start;flex-direction:column}.feature-list div{grid-template-columns:1fr}.admin-row,.admin-head{align-items:flex-start;flex-direction:column}.admin-nav{grid-template-columns:1fr}}
.cookie-notice{position:fixed;left:18px;right:18px;bottom:18px;z-index:50;display:flex;gap:14px;align-items:center;justify-content:space-between;max-width:1040px;margin:0 auto;padding:16px 18px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.97);box-shadow:0 18px 50px rgba(15,23,42,.18);color:var(--ink);font-size:14px}.cookie-notice[hidden]{display:none}.cookie-notice button{min-width:110px}.legal-meta{display:grid;gap:8px;margin:18px 0;padding:18px;border:1px solid var(--line);border-radius:16px;background:#f8fbff}.legal-section{margin-top:28px}.legal-section h2{margin-bottom:10px}.ad-mark{display:inline-flex;margin-bottom:8px;padding:3px 8px;border-radius:999px;background:#eff6ff;color:#0b6bff;font-weight:900;font-size:12px}.ad-meta{margin-top:10px;color:var(--muted);font-size:12px}.ad a{font-weight:900}.admin-two{display:grid;grid-template-columns:1fr 1fr;gap:14px}.help-note{padding:14px 16px;border-radius:14px;background:#0b1322;border:1px solid rgba(255,255,255,.1);color:#bcd1f0}@media(max-width:680px){.cookie-notice{flex-direction:column;align-items:flex-start}.admin-two{grid-template-columns:1fr}}

/* v39: admin reaction preview contrast + cleaner centered arrows */
.admin-rx .rx-cond,
.admin-rx .rx-arrow {
  color: #ffffff !important;
}
.admin-rx .rx-arrowbox {
  align-self: center;
}
.reaction-eq {
  align-items: center;
}
.rx-arrowbox {
  display: grid;
  grid-template-rows: 22px 38px;
  align-items: center;
  justify-items: center;
}
.rx-arrow {
  font-size: 48px;
  font-weight: 900;
  line-height: 1;
}
.reaction-eq.big .rx-arrow {
  font-size: 64px;
}

/* v41: reaction arrow baseline alignment + clean condition typography */
.reaction-eq,
.reaction-eq.big,
.admin-rx .reaction-eq,
.similar-grid .reaction-eq {
  align-items: center !important;
}
.rx-arrowbox,
.reaction-eq.big .rx-arrowbox,
.admin-rx .rx-arrowbox,
.similar-grid .rx-arrowbox {
  position: relative !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  grid-template-rows: none !important;
  align-self: center !important;
  min-height: 1.15em !important;
  height: 1.15em !important;
  padding-top: 0 !important;
  transform: translateY(0) !important;
}
.rx-arrow,
.reaction-eq.big .rx-arrow,
.admin-rx .rx-arrow,
.similar-grid .rx-arrow {
  display: block !important;
  line-height: 1 !important;
  font-weight: 900 !important;
  transform: translateY(-0.02em) !important;
  text-decoration: none !important;
}
.rx-cond,
.admin-rx .rx-cond,
.similar-grid .rx-cond {
  position: absolute !important;
  left: 50% !important;
  bottom: calc(50% + 0.55em) !important;
  transform: translateX(-50%) !important;
  min-height: 0 !important;
  width: max-content !important;
  max-width: 150px !important;
  display: block !important;
  text-align: center !important;
  font-family: Georgia, 'Times New Roman', serif !important;
  font-style: italic !important;
  font-weight: 600 !important;
  font-size: 0.58em !important;
  line-height: 1.05 !important;
  letter-spacing: 0.01em !important;
  text-decoration: none !important;
  border: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
  color: #111827 !important;
  pointer-events: none !important;
}
.rx-cond::before,
.rx-cond::after {
  content: none !important;
  display: none !important;
}
.admin-rx .rx-cond,
.admin-rx .rx-arrow {
  color: #ffffff !important;
}
.rx-cond.empty {
  display: none !important;
}
@media(max-width:680px){
  .rx-arrowbox,
  .reaction-eq.big .rx-arrowbox {
    height: 1.25em !important;
    min-height: 1.25em !important;
  }
  .rx-cond {
    bottom: calc(50% + 0.45em) !important;
    max-width: 210px !important;
  }
}