:root{color-scheme:dark;--bg:#07111f;--panel:rgba(15,27,46,.78);--panel2:#111f35;--line:rgba(148,163,184,.18);--text:#edf4ff;--muted:#94a7c2;--accent:#5eead4;--blue:#60a5fa;--danger:#fb7185;--ok:#4ade80;--warning:#fbbf24;--shadow:0 24px 70px rgba(0,0,0,.35)}
*{box-sizing:border-box}body{margin:0;min-height:100vh;font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:var(--text);background:radial-gradient(circle at 12% 8%,rgba(37,99,235,.22),transparent 32%),radial-gradient(circle at 88% 18%,rgba(20,184,166,.15),transparent 30%),linear-gradient(155deg,#050a13,#081425 52%,#07101d)}
body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.16;background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:32px 32px}
a{color:inherit}.shell{width:min(1180px,calc(100% - 32px));margin:0 auto;padding:42px 0 64px}.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:34px}.brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:.04em}.brand-mark{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;color:#05201d;background:linear-gradient(135deg,var(--accent),#93c5fd);box-shadow:0 8px 30px rgba(94,234,212,.2)}.eyebrow{margin:0 0 10px;color:var(--accent);font-size:12px;font-weight:800;letter-spacing:.18em;text-transform:uppercase}.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:26px;align-items:stretch}.hero-copy{padding:34px 4px 26px}.hero h1{font-size:clamp(38px,6vw,68px);line-height:1.02;margin:0 0 20px;letter-spacing:-.045em}.gradient{background:linear-gradient(105deg,#fff 20%,#93c5fd 58%,#5eead4);-webkit-background-clip:text;color:transparent}.lead{color:#b7c7dc;font-size:17px;line-height:1.85;max-width:650px}.flow{display:flex;gap:10px;margin-top:30px;flex-wrap:wrap}.flow span{border:1px solid var(--line);background:rgba(10,20,35,.58);border-radius:999px;padding:10px 14px;color:#c8d6e8;font-size:13px}.flow b{color:var(--accent);margin-right:7px}.card{background:var(--panel);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);backdrop-filter:blur(20px)}.redeem-card{padding:27px}.card-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:18px}.card h2,.card h3{margin:0}.muted{color:var(--muted)}label{display:block;font-size:13px;font-weight:700;color:#c8d5e7;margin:14px 0 8px}textarea,input,select{width:100%;border:1px solid rgba(148,163,184,.24);background:rgba(4,10,20,.64);color:var(--text);border-radius:13px;padding:13px 14px;font:inherit;outline:none;transition:.18s}textarea{min-height:145px;resize:vertical;line-height:1.6}textarea:focus,input:focus,select:focus{border-color:rgba(94,234,212,.72);box-shadow:0 0 0 3px rgba(94,234,212,.09)}button,.button{border:0;border-radius:13px;padding:13px 18px;font-weight:800;font-size:14px;cursor:pointer;transition:.18s;display:inline-flex;align-items:center;justify-content:center;gap:8px}.primary{width:100%;margin-top:14px;color:#05201d;background:linear-gradient(120deg,var(--accent),#93c5fd);box-shadow:0 10px 28px rgba(94,234,212,.16)}button:hover{transform:translateY(-1px);filter:brightness(1.05)}button:disabled{opacity:.5;cursor:not-allowed;transform:none}.secondary{background:#1a2a44;color:#dce8f8;border:1px solid var(--line)}.danger{background:rgba(251,113,133,.12);color:#fecdd3;border:1px solid rgba(251,113,133,.25)}.small{padding:8px 11px;font-size:12px;border-radius:9px}.pools{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:28px 0}.pool{padding:18px 20px}.pool .count{font-size:28px;font-weight:900;margin-top:8px}.pool .count em{font-style:normal;color:var(--accent)}.pool p{margin:5px 0 0;font-size:12px;color:var(--muted)}.below{display:grid;grid-template-columns:1.1fr .9fr;gap:20px;margin-top:22px}.section-card{padding:24px}.rule-list{display:grid;gap:12px;margin-top:18px}.rule{display:flex;gap:12px;color:#c4d2e5;line-height:1.65}.rule strong{flex:0 0 30px;height:30px;border-radius:9px;display:grid;place-items:center;color:var(--accent);background:rgba(94,234,212,.08)}.result-list{display:grid;gap:10px;margin-top:16px}.result{padding:14px;border:1px solid var(--line);border-radius:13px;background:rgba(3,9,18,.44)}.result-top{display:flex;justify-content:space-between;gap:12px}.status{font-size:12px;font-weight:800}.status.success,.status.repeat{color:var(--ok)}.status.invalid,.status.expired,.status.disabled{color:var(--danger)}.status.out_of_stock,.status.unavailable{color:var(--warning)}pre{white-space:pre-wrap;word-break:break-word;color:#bcd0e8;background:#050b14;border-radius:10px;padding:11px;max-height:180px;overflow:auto;font-size:12px}.hidden{display:none!important}.toast{position:fixed;right:20px;bottom:20px;max-width:380px;padding:14px 18px;border-radius:12px;background:#17263e;border:1px solid var(--line);box-shadow:var(--shadow);z-index:20}.admin-shell{width:min(1380px,calc(100% - 28px));margin:0 auto;padding:24px 0 60px}.admin-grid{display:grid;grid-template-columns:220px 1fr;gap:20px}.sidebar{padding:18px;align-self:start;position:sticky;top:20px}.nav{display:grid;gap:7px;margin-top:18px}.nav button{justify-content:flex-start;width:100%;background:transparent;color:var(--muted)}.nav button.active{background:rgba(94,234,212,.1);color:var(--accent)}.content{min-width:0}.toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:18px}.stats{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-bottom:20px}.stat{padding:18px}.stat b{display:block;font-size:26px;margin-top:6px}.panel{padding:22px}.panel+.panel{margin-top:16px}.form-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.form-grid .wide{grid-column:span 2}.actions{display:flex;gap:8px;align-items:end}.table-wrap{overflow:auto;margin-top:16px;border:1px solid var(--line);border-radius:13px}table{width:100%;border-collapse:collapse;min-width:760px}th,td{text-align:left;padding:12px;border-bottom:1px solid var(--line);font-size:13px;vertical-align:top}th{color:#9eb0c9;background:rgba(4,10,20,.55)}td{color:#cfdbeb}.code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;color:#bffaf0}.login-wrap{min-height:100vh;display:grid;place-items:center;padding:24px}.login-card{width:min(430px,100%);padding:30px}.login-card .brand{margin-bottom:24px}.pagination{display:flex;align-items:center;justify-content:flex-end;gap:10px;margin-top:14px}.notice{padding:12px 14px;border-radius:10px;background:rgba(96,165,250,.09);color:#bfdbfe;border:1px solid rgba(96,165,250,.2);font-size:13px;line-height:1.6}
@media(max-width:900px){.hero,.below,.admin-grid{grid-template-columns:1fr}.hero-copy{padding-top:12px}.pools{grid-template-columns:repeat(2,1fr)}.sidebar{position:static}.nav{grid-template-columns:repeat(4,1fr)}.nav button{justify-content:center}.stats{grid-template-columns:repeat(2,1fr)}.form-grid{grid-template-columns:1fr 1fr}.form-grid .wide{grid-column:span 2}}
@media(max-width:560px){.shell{width:min(100% - 20px,1180px);padding-top:20px}.hero h1{font-size:40px}.pools{grid-template-columns:1fr}.redeem-card,.section-card{padding:19px}.admin-shell{width:calc(100% - 18px)}.nav{grid-template-columns:1fr 1fr}.stats,.form-grid{grid-template-columns:1fr}.form-grid .wide{grid-column:auto}.toolbar{align-items:flex-start;flex-direction:column}}