:root{
  --ink:#0d1b3d;
  --ink-soft:#3a4b74;
  --white:#ffffff;
  --glass-bg:rgba(255,255,255,0.28);
  --glass-border:rgba(255,255,255,0.45);
  --glass-shadow:0 8px 32px rgba(15,35,90,0.18);
  --accent:#2b5fff;
  --accent-dark:#1a3fcf;
  --good:#1fae6b;
  --pending:#e08a1f;
  --radius:22px;
}

*{box-sizing:border-box;}

html,body{
  margin:0;
  padding:0;
  min-height:100vh;
  font-family:'Montserrat',sans-serif;
  color:var(--ink);
  background:
    radial-gradient(circle at 15% 15%, #7fa3ff 0%, transparent 55%),
    radial-gradient(circle at 85% 20%, #a8c4ff 0%, transparent 50%),
    radial-gradient(circle at 50% 100%, #eef2ff 0%, transparent 60%),
    linear-gradient(160deg, #163a9e 0%, #3f6fe0 35%, #a9c3f5 75%, #eef1fb 100%);
  background-attachment:fixed;
  overflow-x:hidden;
}

h1,h2,h3,.brand-name,.stat-value{
  font-family:'Unbounded',sans-serif;
}

.bg-blob{
  position:fixed;
  border-radius:50%;
  filter:blur(90px);
  opacity:0.55;
  z-index:0;
  pointer-events:none;
}
.blob-1{width:420px;height:420px;background:#5b8dff;top:-120px;left:-100px;}
.blob-2{width:380px;height:380px;background:#ffffff;bottom:-140px;right:-80px;opacity:0.35;}
.blob-3{width:300px;height:300px;background:#8fb4ff;top:40%;right:10%;opacity:0.4;}

.glass{
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:var(--radius);
  box-shadow:var(--glass-shadow);
  backdrop-filter:blur(20px) saturate(140%);
  -webkit-backdrop-filter:blur(20px) saturate(140%);
}

.app{
  position:relative;
  z-index:1;
  max-width:1080px;
  margin:0 auto;
  padding:28px 20px 60px;
  display:flex;
  flex-direction:column;
  gap:20px;
}

.topbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:18px 26px;
  gap:16px;
  flex-wrap:wrap;
}

.brand{display:flex;flex-direction:column;gap:2px;}
.brand-name{font-size:26px;font-weight:700;color:var(--ink);}
.brand-tag{font-size:12.5px;color:var(--ink-soft);font-weight:500;}

.group-detail-header .brand{flex-direction:row;align-items:center;gap:14px;}
.group-detail-header .brand-name{font-size:22px;}

.topbar-actions{display:flex;gap:10px;flex-wrap:wrap;}

.btn{
  font-family:'Montserrat',sans-serif;
  font-weight:600;
  font-size:13.5px;
  padding:11px 18px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,0.5);
  cursor:pointer;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-1px);}
.btn-primary{
  background:linear-gradient(135deg, var(--accent), var(--accent-dark));
  color:#fff;
  border:none;
  box-shadow:0 6px 18px rgba(43,95,255,0.35);
}
.btn-ghost{
  background:rgba(255,255,255,0.35);
  color:var(--ink);
}
.btn.small{padding:9px 14px;font-size:12.5px;}
.btn.danger{color:#c0392b;}

.stats-row{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:14px;
}
.stat-card{
  padding:16px 18px;
  display:flex;
  flex-direction:column;
  gap:4px;
}
.stat-value{font-size:26px;font-weight:600;color:var(--ink);}
.stat-label{font-size:12px;color:var(--ink-soft);font-weight:500;}

.toolbar{
  display:flex;
  gap:12px;
  padding:14px 18px;
  flex-wrap:wrap;
  align-items:center;
}
.toolbar input[type="text"],
.toolbar select{
  font-family:'Montserrat',sans-serif;
  font-size:13.5px;
  padding:10px 14px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,0.5);
  background:rgba(255,255,255,0.5);
  color:var(--ink);
  outline:none;
}
#search-input{flex:1;min-width:180px;}
.toolbar select{cursor:pointer;}

.contacts-wrap{
  padding:8px 10px 16px;
}
.contacts-header{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1.2fr;
  padding:14px 18px 10px;
  font-size:11.5px;
  text-transform:uppercase;
  letter-spacing:.04em;
  color:var(--ink-soft);
  font-weight:600;
}
.contacts-list{display:flex;flex-direction:column;gap:8px;padding:0 8px;}

.contact-row{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1.2fr;
  align-items:center;
  gap:10px;
  padding:14px 14px;
  border-radius:16px;
  background:rgba(255,255,255,0.4);
  border:1px solid rgba(255,255,255,0.5);
  transition:background .15s ease;
}
.contact-row:hover{background:rgba(255,255,255,0.6);}

.contact-name{font-weight:600;font-size:14.5px;}
.contact-phone{font-size:12.5px;color:var(--ink-soft);}

.contact-info{cursor:pointer;border-radius:10px;padding:4px 6px;margin:-4px -6px;transition:background .15s ease;}
.contact-info:hover{background:rgba(255,255,255,0.4);}

.badge{
  display:inline-flex;
  align-items:center;
  padding:5px 12px;
  border-radius:999px;
  font-size:11.5px;
  font-weight:600;
  color:#fff;
  width:fit-content;
}
.badge.badge-outline{
  background:transparent;
  border:1.5px solid currentColor;
  padding:4px 11px;
}

.status-pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  font-weight:600;
  cursor:pointer;
  padding:6px 12px;
  border-radius:999px;
  width:fit-content;
  user-select:none;
}
.status-pill.pending{background:rgba(224,138,31,0.18);color:var(--pending);}
.status-pill.sent{background:rgba(31,174,107,0.18);color:var(--good);}
.status-pill .dot{width:7px;height:7px;border-radius:50%;background:currentColor;}

.row-actions{display:flex;gap:8px;justify-content:flex-end;}
.icon-btn{
  border:none;
  background:rgba(255,255,255,0.55);
  border-radius:10px;
  padding:8px 10px;
  cursor:pointer;
  font-size:12.5px;
  font-weight:600;
  color:var(--ink);
}
.icon-btn.whatsapp{
  background:linear-gradient(135deg,#25D366,#128C4C);
  color:#fff;
}
.icon-btn.delete{color:#c0392b;}

.empty-state{
  padding:60px 20px;
  text-align:center;
  color:var(--ink-soft);
  font-size:14px;
}

.groups-view-header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  padding:4px 4px 2px;
}
.groups-view-header h2{
  margin:0;
  font-size:20px;
  color:#fff;
  text-shadow:0 2px 12px rgba(10,20,60,0.3);
}
.groups-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(220px, 1fr));
  gap:16px;
}
.group-card{
  padding:22px 20px;
  cursor:pointer;
  display:flex;
  flex-direction:column;
  gap:10px;
  transition:transform .15s ease, background .15s ease;
}
.group-card:hover{transform:translateY(-2px);background:rgba(255,255,255,0.4);}
.group-card .group-dot{
  width:14px;height:14px;border-radius:50%;
}
.group-card .group-title{
  font-family:'Unbounded',sans-serif;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
}
.group-card .group-meta{
  font-size:12.5px;
  color:var(--ink-soft);
  display:flex;
  gap:12px;
}
.group-card.new-group-card{
  align-items:center;
  justify-content:center;
  border:2px dashed rgba(255,255,255,0.6);
  background:rgba(255,255,255,0.15);
  min-height:96px;
  color:var(--ink);
  font-weight:600;
}
.groups-grid .empty-state{
  grid-column:1/-1;
}

.modal-overlay{
  position:fixed;
  inset:0;
  background:rgba(10,20,50,0.35);
  backdrop-filter:blur(4px);
  display:none;
  align-items:center;
  justify-content:center;
  z-index:50;
  padding:20px;
}
.modal-overlay.open{display:flex;}
.modal{
  width:100%;
  max-width:380px;
  padding:26px;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.modal.wide{max-width:560px;}
.modal h3{margin:0 0 6px;font-size:18px;}
.modal label{font-size:12.5px;font-weight:600;color:var(--ink-soft);margin-top:6px;}
.modal input[type="text"]{
  font-family:'Montserrat',sans-serif;
  padding:11px 14px;
  border-radius:12px;
  border:1px solid rgba(120,140,200,0.4);
  background:rgba(255,255,255,0.7);
  outline:none;
  font-size:13.5px;
}
.modal .hint{font-size:12px;color:var(--ink-soft);margin-top:-4px;}
.modal-actions{
  display:flex;
  justify-content:flex-end;
  gap:10px;
  margin-top:14px;
}

#template-textarea{
  width:100%;
  min-height:140px;
  font-family:'Montserrat',sans-serif;
  font-size:13.5px;
  padding:12px 14px;
  border-radius:12px;
  border:1px solid rgba(120,140,200,0.35);
  resize:vertical;
  outline:none;
  background:rgba(255,255,255,0.8);
}

.toast{
  position:fixed;
  bottom:24px;
  left:50%;
  transform:translateX(-50%) translateY(20px);
  background:rgba(20,30,60,0.9);
  color:#fff;
  padding:12px 20px;
  border-radius:14px;
  font-size:13px;
  font-weight:500;
  opacity:0;
  pointer-events:none;
  transition:opacity .25s ease, transform .25s ease;
  z-index:100;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0);}

@media (max-width: 720px){
  .stats-row{grid-template-columns:repeat(2,1fr);}
  .contacts-header{display:none;}
  .contact-row{
    grid-template-columns:1fr;
    gap:8px;
  }
  .row-actions{justify-content:flex-start;}
  .groups-grid{grid-template-columns:1fr 1fr;}
  .group-detail-header .brand{flex-direction:column;align-items:flex-start;gap:6px;}
}