:root{
  --pink:#ef3d91;
  --pink2:#d72278;
  --pink-soft:#ffe8f3;
  --blue:#1795de;
  --blue-dark:#0c6fb4;
  --blue-soft:#dfe9ff;
  --cyan:#25d8dc;
  --gold:#e4ad2f;
  --gold2:#ffe28a;
  --navy:#123d68;
  --ink:#23384f;
  --muted:#7e8fa3;
  --white:#fff;
  --shadow:0 18px 45px rgba(30,77,125,.16);
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--ink)}
body{
  background:
    radial-gradient(circle at 8% 10%,rgba(255,214,235,.72),transparent 27%),
    radial-gradient(circle at 92% 8%,rgba(193,234,255,.78),transparent 28%),
    linear-gradient(180deg,#eef6ff 0 175px,#e8eeff 175px 100%);
}
a{text-decoration:none;color:inherit}
button,input,select{font:inherit}
button{cursor:pointer}
.top{
  min-height:175px;
  background:linear-gradient(135deg,#1f9ee4,#137fc8 60%,#7bbde8);
  border-bottom:1px solid rgba(255,255,255,.6);
  box-shadow:inset 0 -1px 0 rgba(255,255,255,.3);
}
.shell{width:min(760px,calc(100% - 24px));margin:auto}
.hero{
  margin-top:-128px;
  text-align:center;
  color:white;
}
.logo-title{
  display:inline-flex;align-items:center;gap:12px;
  font-size:clamp(2rem,5vw,3.4rem);
  font-weight:950;letter-spacing:-.03em;
  text-shadow:0 4px 12px rgba(0,71,124,.24);
}
.logo-chip{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(145deg,var(--pink),#ff7dbb 58%,var(--gold));
  box-shadow:0 8px 24px rgba(228,55,138,.28);
}
.subtitle{font-weight:800;margin-top:4px;text-shadow:0 2px 8px rgba(0,70,120,.2)}
.board{padding:14px 0 60px}
.envelopes{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;width:min(420px,100%);margin:16px auto 0}
.envelope{
  position:relative;aspect-ratio:1.05/1;border:0;border-radius:18px;
  background:linear-gradient(145deg,#f75c8a,#e9366a 58%,#db2d61);
  box-shadow:0 12px 28px rgba(216,45,96,.22),inset 0 0 0 4px rgba(255,255,255,.22);
  overflow:hidden;transition:.18s transform,.18s filter;
}
.envelope:hover{transform:translateY(-3px);filter:saturate(1.05)}
.envelope:before{
  content:"";position:absolute;left:0;right:0;top:0;height:44%;
  clip-path:polygon(0 0,100% 0,50% 92%);
  background:linear-gradient(145deg,#ff708f,#e93a67);
}
.envelope:after{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:66px;height:66px;border-radius:50%;
  background:radial-gradient(circle at 30% 25%,#62f6ed,#16cfd6 62%,#0bb4c1);
  border:2px solid #fff7d6;box-shadow:0 7px 18px rgba(0,141,156,.28),0 0 0 4px rgba(255,226,138,.24);
}
.gift-emoji{position:absolute;z-index:4;left:50%;top:50%;transform:translate(-50%,-50%);font-size:30px}
.envelope .line{position:absolute;left:18%;right:18%;top:21%;height:1px;background:rgba(255,255,255,.3);z-index:3}
.corner{position:absolute;width:7px;height:7px;border-radius:50%;background:rgba(255,255,255,.45);z-index:4}
.c1{left:12px;top:12px}.c2{right:12px;top:12px}.c3{left:12px;bottom:12px}.c4{right:12px;bottom:12px}

.modal{
  position:fixed;inset:0;z-index:100;display:none;place-items:center;padding:20px;
  background:rgba(18,58,96,.74);backdrop-filter:blur(8px)
}
.modal.open{display:grid}
.dialog{
  width:min(470px,100%);background:#fff;border-radius:24px;padding:28px;
  box-shadow:0 25px 70px rgba(0,34,65,.26);border:1px solid rgba(228,173,47,.35)
}
.dialog.center{text-align:center}
.dialog-icon{
  width:54px;height:54px;margin:0 auto 14px;border-radius:14px;display:grid;place-items:center;font-size:28px;
  background:linear-gradient(145deg,var(--pink),#ff79b7,var(--gold));
}
.dialog h2,.dialog h3{color:#0d82cf;margin:8px 0}
.dialog p{color:var(--muted);font-size:.9rem}
.actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:20px}
.btn{border:0;border-radius:12px;padding:12px 16px;font-weight:900}
.btn-primary{color:#fff;background:linear-gradient(135deg,#1696e2,#0d79c5);box-shadow:0 8px 18px rgba(13,121,197,.2)}
.btn-light{background:#fff;border:1px solid #dde5ef;color:#222}
.section-title{font-size:.9rem;color:#0d82cf;font-weight:950;padding-bottom:8px;border-bottom:1px solid #e7edf3;margin:14px 0 12px}
.form-grid{display:grid;gap:12px}
.field{display:grid;gap:6px}
.field label{font-size:.8rem;font-weight:850;color:#38495a}
.req{color:#e33b71}
.field input,.field select{
  width:100%;padding:11px 12px;border:1px solid #dce4ec;border-radius:10px;outline:none;background:#fff
}
.field input:focus,.field select:focus{border-color:#80c8ef;box-shadow:0 0 0 3px rgba(128,200,239,.18)}
.claim-btn{margin-top:18px;width:100%}
.note{
  width:min(760px,calc(100% - 24px));margin:0 auto 30px;
  background:rgba(255,255,255,.86);border:1px solid rgba(228,173,47,.35);border-radius:14px;padding:12px 14px;
  color:#6e7e91;font-size:.82rem;text-align:center
}

/* ADMIN */
.admin-body{background:linear-gradient(135deg,#fff7fb,#eef9ff 62%,#fff9e8);min-height:100vh}
.admin-wrap{display:grid;grid-template-columns:250px 1fr;min-height:100vh}
.sidebar{
  background:linear-gradient(180deg,#163f6e,#226c9e 55%,#2bb2a9);color:#fff;padding:22px;
  position:sticky;top:0;height:100vh
}
.brand{display:flex;align-items:center;gap:10px;font-weight:950}.brand .mark{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;background:linear-gradient(145deg,var(--pink),#ff7dbb,var(--gold))}
.side-nav{display:grid;gap:8px;margin-top:28px}.side-nav a{padding:11px 12px;border-radius:12px;font-weight:800}.side-nav a:hover,.side-nav a.active{background:rgba(255,255,255,.14)}
.admin-main{padding:26px}
.admin-head{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-bottom:18px}
.admin-head h1{margin:0;color:var(--navy)}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:16px}
.stat{background:#fff;border:1px solid rgba(228,173,47,.28);border-radius:16px;padding:16px;box-shadow:0 8px 22px rgba(56,83,126,.07)}
.stat b{display:block;font-size:1.65rem;color:var(--navy)}
.admin-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.panel{background:#fff;border:1px solid rgba(228,173,47,.28);border-radius:18px;padding:18px;box-shadow:0 10px 26px rgba(56,83,126,.07)}
.panel h2{margin-top:0;color:var(--navy)}
.table{display:grid;gap:8px}.row{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center;padding:12px;border:1px solid #e6edf4;border-radius:12px;background:#fbfdff}
.row small{color:#8190a1}.row-actions{display:flex;gap:6px}.row-actions button{border:0;border-radius:9px;padding:7px 9px;font-weight:850}
.edit{background:#e6f6ff;color:#17658e}.toggle{background:#fff5d7;color:#8b650a}
.admin-form{display:grid;gap:10px}.admin-form input,.admin-form select{padding:10px 11px;border:1px solid #dce4ec;border-radius:10px}
.admin-form label{font-size:.8rem;font-weight:850;color:#536274}
.demo-alert{margin-top:14px;padding:12px;border-radius:12px;background:#fff8da;border:1px solid #efd88d;color:#80620b;font-size:.82rem}

@media(max-width:700px){
  .shell{width:min(100% - 18px,760px)}
  .envelopes{gap:10px}
  .dialog{padding:22px}
  .admin-wrap{grid-template-columns:1fr}
  .sidebar{height:auto;position:relative}
  .admin-grid,.stats{grid-template-columns:1fr}
}