:root{
  --navy:#091a36;
  --muted:#667287;
  --aqua:#18b8c9;
  --coral:#ff6057;
  --yellow:#ffc72c;
  --green:#2fbd72;
  --line:#e4edf1;
  --soft:#f6fafc;
  --shadow:0 22px 55px rgba(16,54,84,.11);
}

*{box-sizing:border-box}
body{
  margin:0;
  color:var(--navy);
  background:var(--soft);
  font-family:Arial,Helvetica,sans-serif;
}
a{text-decoration:none;color:inherit}
button,input,select,textarea{font:inherit}
img{display:block;max-width:100%}
.container{width:min(1180px,calc(100% - 32px));margin:auto}

.app-header{
  min-height:76px;
  padding:0 max(20px,calc((100% - 1180px)/2));
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:22px;
  border-bottom:1px solid var(--line);
  background:#fff;
  position:sticky;
  top:0;
  z-index:50;
}
.brand{font-size:21px;font-weight:900}
.app-header nav{display:flex;gap:22px;font-size:14px;font-weight:800}

.dashboard{padding:50px 0 80px}
.welcome{
  padding:34px;
  border-radius:28px;
  background:linear-gradient(135deg,#0caabd,#36c18a);
  color:#fff;
}
.welcome span,.section-title span,.section-kicker{
  font-size:12px;
  font-weight:900;
  letter-spacing:.14em;
}
.welcome h1{margin:9px 0 8px;font-size:40px}
.welcome p{margin:0;color:rgba(255,255,255,.82)}

.stats-grid{
  margin:22px 0 48px;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:15px;
}
.stats-grid article{
  padding:22px;
  border:1px solid var(--line);
  border-radius:20px;
  background:#fff;
  box-shadow:0 10px 25px rgba(16,54,84,.05);
}
.stats-grid small,.stats-grid strong{display:block}
.stats-grid small{color:var(--muted);margin-bottom:9px}
.stats-grid strong{font-size:28px}

.section-title{
  display:flex;
  align-items:end;
  justify-content:space-between;
  gap:25px;
  margin-bottom:25px;
}
.section-title.compact{margin-top:0}
.section-title h1,.section-title h2{margin:7px 0 0;font-size:36px}
.section-title p{max-width:480px;margin:0;color:var(--muted);line-height:1.55}

.offers-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.offer-card{
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:25px;
  background:#fff;
  box-shadow:var(--shadow);
}
.offer-image{height:210px;position:relative;overflow:hidden}
.offer-image img{width:100%;height:100%;object-fit:cover}
.image-placeholder{width:100%;height:100%;display:grid;place-items:center;background:#eaf8fa;font-size:60px}
.badge{
  position:absolute;
  left:16px;
  top:16px;
  padding:7px 10px;
  border-radius:999px;
  background:#fff;
  font-size:11px;
  font-weight:900;
}
.offer-body{padding:23px}
.category{color:var(--aqua);font-size:11px;font-weight:900;letter-spacing:.13em}
.offer-body h3{margin:8px 0 9px;font-size:24px}
.offer-body p{margin:0;color:var(--muted);line-height:1.55}
.offer-numbers{
  margin:20px 0;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:12px;
}
.offer-numbers div{
  padding:13px;
  border-radius:15px;
  background:var(--soft);
}
.offer-numbers small,.offer-numbers strong{display:block}
.offer-numbers small{color:var(--muted);font-size:11px;margin-bottom:6px}
.commission{color:var(--coral)}
.share-box{display:grid;grid-template-columns:1fr auto;gap:8px}
.share-box input{
  min-width:0;
  padding:12px;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
}
.share-box button,.admin-form button,.auth-card button{
  border:0;
  padding:0 15px;
  border-radius:12px;
  background:var(--coral);
  color:#fff;
  font-weight:900;
}
.preview-link{display:inline-block;margin-top:15px;color:var(--aqua);font-weight:900}

.auth-page{
  min-height:100vh;
  display:grid;
  place-items:center;
  padding:20px;
  background:
    radial-gradient(circle at 80% 15%,rgba(24,184,201,.13),transparent 28%),
    #f7fbfc;
}
.auth-card{
  width:min(460px,100%);
  padding:34px;
  border:1px solid var(--line);
  border-radius:28px;
  background:#fff;
  box-shadow:var(--shadow);
}
.auth-card h1{margin:24px 0 8px}
.auth-card p{color:var(--muted)}
.auth-card form,.admin-form{display:grid;gap:15px}
.auth-card label,.admin-form label{display:grid;gap:7px;font-size:14px;font-weight:800}
.auth-card input,.admin-form input,.admin-form select,.admin-form textarea{
  width:100%;
  padding:13px 14px;
  border:1px solid #d9e5e9;
  border-radius:12px;
}
.auth-card button,.admin-form button{min-height:50px}
.small-link{display:block;margin-top:17px;color:var(--aqua);font-weight:800}
.alert,.success{
  margin:16px 0;
  padding:13px;
  border-radius:12px;
}
.alert{background:#fff0ef;color:#a52b27}
.success{background:#eaf9f1;color:#18764a}

.admin-layout{
  padding:45px 0 80px;
  display:grid;
  grid-template-columns:.9fr 1.1fr;
  gap:30px;
  align-items:start;
}
.admin-form-card{
  padding:28px;
  border:1px solid var(--line);
  border-radius:25px;
  background:#fff;
  box-shadow:var(--shadow);
}
.admin-form-card.narrow{max-width:900px;margin-bottom:30px}
.admin-form-card h1{margin:8px 0 22px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px}
.form-grid.three{grid-template-columns:repeat(3,1fr)}
.checkbox{grid-template-columns:auto 1fr!important;align-items:center}
.checkbox input{width:auto}
.admin-offers{display:grid;gap:14px}
.admin-offers article{
  padding:20px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  border:1px solid var(--line);
  border-radius:18px;
  background:#fff;
}
.admin-offers h3{margin:6px 0}
.admin-offers p{margin:0 0 8px;color:var(--muted)}
.admin-actions{display:flex;gap:10px;align-items:center}
.admin-actions a,.admin-actions button{
  padding:10px 12px;
  border:0;
  border-radius:10px;
  background:#eef8fa;
  color:var(--navy);
  font-weight:800;
}
.admin-actions button{background:#fff0ef;color:#a52b27}

.table-wrap{
  overflow:auto;
  border:1px solid var(--line);
  border-radius:20px;
  background:#fff;
}
table{width:100%;border-collapse:collapse}
th,td{padding:16px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
th{background:#f7fbfc;font-size:13px}
td{font-size:14px}

.empty-state{
  grid-column:1/-1;
  padding:40px;
  border:1px dashed #cad9df;
  border-radius:20px;
  text-align:center;
  color:var(--muted);
}

@media(max-width:980px){
  .offers-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .admin-layout{grid-template-columns:1fr}
}
@media(max-width:700px){
  .app-header{align-items:flex-start;flex-direction:column;padding:18px}
  .app-header nav{flex-wrap:wrap}
  .offers-grid,.stats-grid{grid-template-columns:1fr}
  .section-title{align-items:flex-start;flex-direction:column}
  .form-grid,.form-grid.three{grid-template-columns:1fr}
  .admin-offers article{align-items:flex-start;flex-direction:column}
  .share-box{grid-template-columns:1fr}
  .share-box button{min-height:46px}
}


.current-image{display:grid;gap:8px;margin-bottom:15px}
.current-image span{font-size:13px;font-weight:800}
.current-image img{
  width:180px;height:120px;object-fit:cover;
  border-radius:14px;border:1px solid var(--line)
}
.admin-thumb{
  width:90px;height:70px;flex:0 0 90px;
  object-fit:cover;border-radius:12px
}
.admin-form small{
  color:var(--muted);font-weight:500;line-height:1.4
}