:root{
  --bg: linear-gradient(135deg,#f8fafc 0%,#eef2f7 60%,#ffffff 100%);
  --ink:#0f172a;
  --muted:#6b7280;
  --brand:#01516d;
  --brand-2:#0ea5e9;
  --accent:#f59e0b;
  --panel:#ffffff;
  --panel-soft:rgba(255,255,255,.86);
  --line:#e5e7eb;
  --line-strong:#cbd5e1;
  --shadow:0 10px 25px rgba(2,6,23,.08);
  --shadow-lg:0 30px 50px rgba(2,6,23,.10);
  --glow:0 0 22px rgba(1,81,109,.18);
  --btn-glow:rgba(1,81,109,.25);
  --particle:rgba(1,81,109,.42);
  --shape:rgba(1,81,109,.20);
  --success:#10b981;
  --success-bg:#eef6ee;
  --success-line:#d5ead8;
  --danger:#ef4444;
  --danger-bg:#fef2f2;
  --danger-line:#fecaca;
  --radius:22px;
  --radius-md:18px;
  --radius-sm:14px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background:var(--bg);
  color:var(--ink);
  line-height:1.6;
  min-height:100vh;
  overflow-x:hidden;
  animation:pageFade .6s ease-out;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
button,input,textarea{font:inherit}
a{color:inherit}
@keyframes pageFade{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
@keyframes fadeInUp{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:none}}
@keyframes shimmer{0%,100%{opacity:.38}50%{opacity:1}}
@keyframes float{0%,100%{transform:translateY(0);opacity:.45}50%{transform:translateY(-18px);opacity:1}}
@keyframes rotate{from{transform:rotate(0)}to{transform:rotate(360deg)}}
@keyframes pulse{from{transform:scale(.72);opacity:.2}to{transform:scale(1);opacity:1}}
@keyframes reveal{from{opacity:0;transform:translateY(24px) scale(.98)}to{opacity:1;transform:none}}

.shell,.site-header{width:min(1180px,calc(100% - 40px));margin:auto;position:relative;z-index:10}
.ambient{position:fixed;pointer-events:none;filter:blur(2px);opacity:.6;z-index:1}
.ambient-a{width:460px;height:460px;border-radius:50%;background:radial-gradient(circle,rgba(14,165,233,.12),transparent 68%);top:-120px;right:-110px}
.ambient-b{width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(1,81,109,.08),transparent 65%);left:-180px;bottom:-80px}
.particles,.geometric-bg{position:fixed;inset:0;pointer-events:none;z-index:0}
.particle{position:absolute;width:6px;height:6px;background:var(--particle);border-radius:50%;animation:float 6s ease-in-out infinite}
.particle:nth-child(1){top:18%;left:18%}
.particle:nth-child(2){top:78%;left:80%;animation-delay:1.4s}
.particle:nth-child(3){top:42%;left:62%;animation-delay:.6s}
.particle:nth-child(4){top:64%;left:28%;animation-delay:2.2s}
.particle:nth-child(5){top:12%;left:72%;animation-delay:3.1s}
.particle:nth-child(6){top:88%;left:42%;animation-delay:4s}
.geometric-shape{position:absolute;border:1px solid var(--shape);animation:rotate 22s linear infinite;border-radius:16px}
.shape-1{top:8%;left:8%;width:110px;height:110px}
.shape-2{top:72%;right:8%;width:90px;height:90px;border-radius:50%}
.shape-3{top:40%;left:4%;width:70px;height:70px;transform:rotate(45deg)}

.site-header{
  display:flex;align-items:center;justify-content:space-between;padding:24px 0 10px;
}
.brand{
  display:inline-flex;align-items:center;gap:12px;text-decoration:none;
  transition:transform .2s ease;
}
.brand:hover{transform:translateY(-1px)}
.brand-mark{
  display:grid;place-items:center;width:42px;height:42px;border-radius:14px;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-2) 100%);color:#fff;
  font-size:22px;font-weight:700;box-shadow:0 12px 24px var(--btn-glow);
}
.brand-copy{display:flex;align-items:baseline;gap:8px}
.brand-copy strong{font-size:23px;font-weight:700;letter-spacing:-.03em}
.brand-copy small{font-size:10px;font-weight:800;letter-spacing:.22em;color:var(--accent)}
.header-actions{display:flex;align-items:center;gap:14px}
.quiet-link{font-size:13px;text-decoration:none;color:var(--muted);font-weight:600}
.icon-button{
  width:42px;height:42px;border:1px solid var(--line);border-radius:999px;background:var(--panel-soft);
  box-shadow:var(--shadow);cursor:pointer;color:var(--ink);display:grid;place-items:center;transition:.2s ease;
}
.icon-button:hover{transform:translateY(-1px);box-shadow:var(--shadow-lg)}
.icon-button span{line-height:1;font-size:17px}

.hero{display:grid;grid-template-columns:.84fr 1.16fr;gap:42px;align-items:start;padding:18px 0 68px;position:relative;z-index:10}
.hero-copy{
  position:sticky;top:34px;padding:42px 0;animation:fadeInUp .55s ease-out;
}
.eyebrow,.step-label{font-size:10px;letter-spacing:.18em;font-weight:800;color:var(--accent);text-transform:uppercase}
.hero h1{
  margin:18px 0 20px;max-width:580px;font-size:clamp(50px,6vw,84px);line-height:.95;
  letter-spacing:-.055em;font-weight:800;
}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-copy p{font-size:18px;color:var(--muted);max-width:520px}

.draw-card,.verify-card,.result-panel{
  background:var(--panel-soft);backdrop-filter:saturate(1.1) blur(12px);border:1px solid var(--line);
  border-radius:24px;box-shadow:var(--shadow-lg);position:relative;overflow:hidden;
}
.draw-card::before,.verify-card::before,.result-panel::before{
  content:'';position:absolute;top:0;left:0;right:0;height:4px;
  background:linear-gradient(90deg,var(--brand),var(--accent),var(--brand-2));animation:shimmer 3s ease-in-out infinite;
}
.draw-card{padding:34px;animation:fadeInUp .55s ease-out .06s both}
.card-topline{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:26px}
.card-topline h2{margin:8px 0 0;font-size:31px;font-weight:800;letter-spacing:-.03em;line-height:1.06}
.security-chip{font-size:10px;text-transform:uppercase;letter-spacing:.08em;color:#347047;background:var(--success-bg);border:1px solid var(--success-line);padding:8px 11px;border-radius:999px;white-space:nowrap;font-weight:700}

.field-stack{display:grid;gap:9px;margin-top:20px}
.field-stack label,.label-row label{font-size:12px;font-weight:800;color:var(--ink)}
.field-stack label span{font-weight:500;color:var(--muted);margin-left:4px}
.label-row{display:flex;align-items:center;justify-content:space-between;gap:16px}
.text-button{border:0;background:none;color:var(--brand);font-size:12px;font-weight:800;cursor:pointer}
.field-stack input,.field-stack textarea,.hash-checker textarea{
  width:100%;border:1px solid var(--line);background:#fff;border-radius:var(--radius-sm);outline:none;color:var(--ink);
  transition:border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
.field-stack input{height:52px;padding:0 16px}
.field-stack textarea{min-height:260px;padding:16px;resize:vertical;line-height:1.62}
.field-stack input:focus,.field-stack textarea:focus,.hash-checker textarea:focus{
  border-color:var(--brand);box-shadow:0 0 0 4px rgba(1,81,109,.12);
}
.input-footer{display:flex;align-items:center;justify-content:space-between;gap:16px}
.count-cluster{display:flex;align-items:baseline;gap:5px;font-size:12px;color:var(--muted);flex-wrap:wrap}
.count-cluster strong{font-size:18px;color:var(--ink)}
.duplicate-note{color:var(--accent);margin-left:6px;font-weight:700}
.file-button input{display:none}
.file-button span{cursor:pointer;font-size:12px;font-weight:800;color:var(--ink);border-bottom:1px solid var(--line-strong)}

.draw-options{margin-top:28px;border-top:1px solid var(--line)}
.option-block{padding:24px 0;border-bottom:1px solid var(--line)}
.winner-row{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:12px}
.winner-row h3{margin:0;font-size:19px;font-weight:800}
.winner-row p{margin:3px 0 0;font-size:12px;color:var(--muted)}
.stepper{display:flex;align-items:center;border:1px solid var(--line);border-radius:999px;background:#fff;overflow:hidden;box-shadow:var(--shadow)}
.stepper button{border:0;background:#fff;width:42px;height:42px;font-size:20px;cursor:pointer;color:var(--ink);transition:background .2s ease}
.stepper button:hover{background:#f8fafc}
.stepper input{width:54px;border:0;text-align:center;font-weight:800;outline:none;appearance:textfield;background:#fff}
.stepper input::-webkit-inner-spin-button{display:none}
.settings-block{display:grid;gap:15px}
.switch-row{display:grid;grid-template-columns:1fr auto;align-items:center;gap:16px;cursor:pointer;padding:14px 16px;border:1px solid var(--line);background:rgba(255,255,255,.72);border-radius:16px;transition:.2s ease}
.switch-row:hover{border-color:var(--line-strong);transform:translateY(-1px)}
.switch-row span{display:flex;flex-direction:column;gap:2px}
.switch-row strong{font-size:13px}
.switch-row small{font-size:11px;color:var(--muted)}
.switch-row input{position:absolute;opacity:0}
.switch-row i{width:44px;height:26px;border-radius:999px;background:#ccd1d3;position:relative;transition:.2s}
.switch-row i:after{content:"";position:absolute;width:20px;height:20px;border-radius:50%;background:#fff;left:3px;top:3px;box-shadow:0 2px 6px rgba(0,0,0,.14);transition:.2s}
.switch-row input:checked+i{background:linear-gradient(135deg,var(--brand),var(--brand-2))}
.switch-row input:checked+i:after{transform:translateX(18px);background:#fff}

.draw-submit-row{display:grid;grid-template-columns:1fr auto;align-items:center;gap:20px;margin-top:26px}
.trust-copy{display:flex;gap:10px;align-items:flex-start;color:var(--muted);font-size:11px;max-width:370px}
.trust-copy strong{color:var(--ink)}
.trust-icon{color:var(--accent)}
.primary-button,.secondary-button{
  border:0;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:14px;cursor:pointer;
  border-radius:999px;font-weight:850;letter-spacing:.04em;transition:transform .2s,box-shadow .2s,opacity .2s;
}
.primary-button{
  min-height:56px;padding:0 24px;background:linear-gradient(135deg,var(--brand) 0%,var(--brand-2) 100%);color:#fff;
  box-shadow:0 14px 28px var(--btn-glow);
}
.primary-button:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(1,81,109,.28)}
.primary-button:disabled{opacity:.7;cursor:not-allowed}
.primary-button b{font-size:20px}
.primary-button.compact{min-height:46px;padding:0 20px;font-size:11px}
.secondary-button{min-height:46px;padding:0 18px;background:#fff;border:1px solid var(--line);color:var(--ink);font-size:11px;box-shadow:var(--shadow)}
.secondary-button:hover{transform:translateY(-1px)}
.secondary-button.disabled{opacity:.5;pointer-events:none}
.status-bar{min-height:0;margin-top:0;font-size:12px;color:var(--muted);transition:.2s}
.status-bar.show{margin-top:16px;min-height:20px}
.status-bar.error{color:var(--danger)}

.feature-band{padding:0 0 72px;position:relative;z-index:10}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.feature-grid article{
  background:var(--panel-soft);backdrop-filter:saturate(1.05) blur(12px);border:1px solid var(--line);
  border-radius:20px;padding:22px;box-shadow:var(--shadow);transition:.2s ease;
}
.feature-grid article:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.feature-grid article>span{font-size:10px;letter-spacing:.18em;color:var(--accent);font-weight:800}
.feature-grid h3{font-size:22px;letter-spacing:-.03em;margin:12px 0 10px;font-weight:800}
.feature-grid p{font-size:13px;color:var(--muted);line-height:1.65}
.site-footer{display:flex;justify-content:space-between;gap:20px;padding:10px 0 42px;font-size:10px;color:var(--muted);position:relative;z-index:10}

.ceremony{
  position:fixed;inset:0;z-index:50;background:radial-gradient(1200px 800px at 20% -10%, rgba(14,165,233,.18), transparent 60%), linear-gradient(135deg,#0f172a 0%,#111827 60%,#0b1020 100%);
  color:#fff;display:none;overflow:hidden;
}
.ceremony::before{content:'';position:absolute;inset:0;background:radial-gradient(circle at 50% 30%,rgba(79,70,229,.14),transparent 45%);pointer-events:none}
.ceremony.open{display:block}
.ceremony-toolbar{position:absolute;left:0;right:0;top:0;display:flex;align-items:center;justify-content:space-between;padding:24px 30px;z-index:2}
.ceremony-brand{font-size:11px;letter-spacing:.22em;color:#c6d0d5}.ceremony-brand b{color:#f8be55}
.ceremony-tools{display:flex;gap:10px}
.ceremony-toolbar button{border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);backdrop-filter:blur(8px);color:#fff;width:44px;height:44px;border-radius:50%;font-size:20px;cursor:pointer;transition:.2s ease}
.ceremony-toolbar button:hover{transform:translateY(-1px);background:rgba(255,255,255,.12)}
.ceremony-stage{position:absolute;inset:0;display:grid;place-items:center;text-align:center;padding:80px 24px}
.ceremony-meta{position:absolute;top:90px;font-size:12px;color:#9fb0ba;letter-spacing:.08em}
.countdown{font-size:min(34vw,300px);line-height:1;font-weight:800;background:linear-gradient(180deg,#ffffff 0%,#f8be55 100%);-webkit-background-clip:text;background-clip:text;color:transparent;text-shadow:0 24px 80px rgba(0,0,0,.28);animation:pulse .6s ease}
.winner-reveal,.ceremony-complete{display:none;max-width:1000px}
.winner-reveal.show,.ceremony-complete.show{display:block;animation:reveal .8s cubic-bezier(.2,.8,.2,1)}
.winner-kicker{font-size:13px;letter-spacing:.22em;color:#f8be55;font-weight:800}
.winner-reveal h2,.ceremony-complete h2{font-size:clamp(52px,9vw,118px);font-weight:800;line-height:.98;letter-spacing:-.05em;margin:24px auto;max-width:1000px}
.winner-reveal p{font-size:15px;color:#aab7be}.complete-winners{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:40px}.complete-winners div{padding:12px 18px;border:1px solid rgba(255,255,255,.16);border-radius:999px;color:#d7dee2;font-size:13px;background:rgba(255,255,255,.05)}

.result-modal{position:fixed;inset:0;z-index:60;background:rgba(6,14,19,.72);backdrop-filter:blur(12px);display:none;align-items:center;justify-content:center;padding:24px}
.result-modal.open{display:flex}
.result-panel{position:relative;width:min(820px,100%);max-height:90vh;overflow:auto;padding:42px}
.modal-close{position:absolute;right:22px;top:22px;border:0;background:#eceff4;border-radius:50%;width:42px;height:42px;font-size:24px;cursor:pointer;color:var(--ink)}
.result-head h2{font-size:42px;font-weight:800;letter-spacing:-.04em;margin:10px 0 6px}.result-head p{color:var(--muted)}
.result-winners{display:grid;gap:10px;margin:28px 0}.result-winners div{display:grid;grid-template-columns:52px 1fr;align-items:center;border:1px solid var(--line);border-radius:16px;padding:14px 16px;background:#fff}.result-winners span{font-size:11px;color:var(--accent);font-weight:800}.result-winners strong{font-size:17px}
.audit-card{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:16px;overflow:hidden}.audit-card div{background:#f8fafc;padding:15px}.audit-card div:last-child{grid-column:1/-1}.audit-card span,.verify-grid span{display:block;font-size:9px;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);margin-bottom:5px}.audit-card code,.verify-grid code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:10px;word-break:break-all}
.result-actions{display:flex;flex-wrap:wrap;gap:9px;margin-top:24px}.result-actions .primary-button{margin-left:auto}

.verify-page{min-height:100vh;background:radial-gradient(circle at 90% 0,rgba(14,165,233,.12),transparent 28%),var(--bg)}
.verify-shell{width:min(860px,calc(100% - 36px));margin:auto;padding:32px 0 80px;position:relative;z-index:10}
.verify-brand{margin-bottom:36px}
.verify-card{padding:46px}
.verify-symbol{display:grid;place-items:center;width:62px;height:62px;border-radius:50%;background:var(--success-bg);color:#347047;font-size:30px;margin-bottom:26px;border:1px solid var(--success-line)}
.verify-card.invalid .verify-symbol{background:var(--danger-bg);color:var(--danger);border-color:var(--danger-line)}
.verify-card h1{font-size:46px;font-weight:800;letter-spacing:-.04em;line-height:1.02;margin:10px 0}.verify-card>p{color:var(--muted)}
.verify-winners{display:grid;gap:9px;margin:28px 0}.verify-winners div{display:flex;align-items:center;gap:16px;padding:14px 16px;border:1px solid var(--line);border-radius:14px;background:#fff}.verify-winners span{color:var(--accent);font-weight:850;font-size:11px}.verify-winners strong{font-size:17px}
.verify-grid{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:16px;overflow:hidden;margin:26px 0}.verify-grid div{padding:15px;border-bottom:1px solid var(--line);background:#f8fafc}.verify-grid div:nth-child(odd){border-right:1px solid var(--line)}.verify-grid .wide{grid-column:1/-1;border-right:0!important}
.privacy-note{font-size:11px!important;line-height:1.6;border-left:2px solid var(--accent);padding-left:14px}
.hash-checker{margin:28px 0;padding:22px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.55)}
.hash-checker h2{font-size:26px;font-weight:800;margin:8px 0}
.hash-checker p{font-size:12px;color:var(--muted)}
.hash-checker textarea{min-height:150px;padding:14px;resize:vertical;margin:8px 0 12px}
.hash-check-result{font-size:12px;font-weight:700;margin-top:12px;min-height:18px}.hash-check-result.ok{color:#347047}.hash-check-result.bad{color:var(--danger)}

body.dark{
  --bg: radial-gradient(1200px 800px at 20% -10%, #1e293b, transparent 60%), linear-gradient(135deg,#0f172a 0%,#111827 60%,#0b1020 100%);
  --ink:#e5e7eb;
  --muted:#94a3b8;
  --brand:#4f46e5;
  --brand-2:#7c3aed;
  --accent:#f59e0b;
  --panel:#0b1222;
  --panel-soft:rgba(11,18,34,.88);
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.18);
  --shadow:0 10px 25px rgba(0,0,0,.35);
  --shadow-lg:0 30px 50px rgba(0,0,0,.45);
  --glow:0 0 26px rgba(79,70,229,.25);
  --btn-glow:rgba(79,70,229,.35);
  --particle:rgba(79,70,229,.55);
  --shape:rgba(79,70,229,.30);
  --success-bg:rgba(16,185,129,.14);
  --success-line:rgba(16,185,129,.28);
  --danger-bg:rgba(239,68,68,.12);
  --danger-line:rgba(239,68,68,.28);
}
body.dark .brand-mark{background:linear-gradient(135deg,var(--brand) 0%,var(--brand-2) 100%);color:#fff}
body.dark .field-stack input,body.dark .field-stack textarea,body.dark .stepper,body.dark .stepper button,body.dark .stepper input,body.dark .result-winners div,body.dark .verify-winners div,body.dark .secondary-button,body.dark .hash-checker textarea{background:#0c1921;color:var(--ink)}
body.dark .switch-row{background:rgba(255,255,255,.03)}
body.dark .audit-card div,body.dark .verify-grid div{background:#0d1a22}
body.dark .modal-close{background:#152433;color:var(--ink)}

.hidden{display:none!important}
@media(max-width:900px){
  .hero{grid-template-columns:1fr;padding-top:8px}.hero-copy{position:relative;top:auto;padding:18px 0 6px}.hero h1{max-width:720px}
  .feature-grid{grid-template-columns:1fr 1fr}.draw-submit-row{grid-template-columns:1fr}.primary-button{width:100%}.result-actions .primary-button{margin-left:0}.site-footer{flex-direction:column}
}
@media(max-width:620px){
  .shell,.site-header{width:min(100% - 24px,1180px)}.site-header{padding:18px 0 10px}.quiet-link{display:none}
  .hero{gap:22px;padding-bottom:48px}.hero h1{font-size:46px}.hero-copy p{font-size:16px}
  .draw-card{padding:20px;border-radius:20px}.card-topline{display:grid}.security-chip{justify-self:start}.field-stack textarea{min-height:230px}
  .input-footer{align-items:flex-start;flex-direction:column}.winner-row{align-items:flex-end}.switch-row{gap:10px}.feature-grid{grid-template-columns:1fr}
  .result-panel{padding:28px 20px}.result-head h2{font-size:34px}.audit-card,.verify-grid{grid-template-columns:1fr}.audit-card div:last-child,.verify-grid .wide{grid-column:auto}.verify-grid div:nth-child(odd){border-right:0}
  .verify-card{padding:30px 20px}.verify-card h1{font-size:38px}.ceremony-toolbar{padding:18px}.ceremony-meta{top:75px}.winner-reveal h2,.ceremony-complete h2{font-size:52px}
}