:root{
  --bg:#FFFAFA;
  --card:#ffffff;
  --text:#000080;
  --muted:#6D8196;
  --border:rgba(173,216,230,0.4);
  --dash:#ADD8E6;
  --primary:#000080;
  --primary2:#6D8196;
  --accent:#ADD8E6;
  --success:#10b981;
  --error:#ef4444;
  --shadow: 0 20px 60px rgba(0, 0, 128, 0.08);
  --radius: 18px;
}
*{box-sizing:border-box}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  background: radial-gradient(1200px 800px at 50% -10%, rgba(173,216,230,0.2), transparent 55%) , var(--bg);
  color:var(--text);
}
.wrap{max-width: 980px; margin: 56px auto; padding: 0 18px;}
.hero{text-align:center; margin-bottom: 26px;}
.title{
  font-size: 48px; line-height: 1.1; margin:0;
  font-weight: 800; letter-spacing: -0.02em; color: var(--primary);
}
.subtitle{margin: 10px 0 0; font-size: 16px; color: var(--muted);}

.panel{
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
  max-width: 720px;
  margin: 22px auto 0;
}

.row{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 14px;
}
.field{display:flex; flex-direction:column; gap:6px;}
.label{font-size: 12px; color: var(--muted); font-weight: 600;}
.input{
  width:100%;
  padding: 12px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  outline: none;
  font-size: 14px;
  background: #fff;
}
.input:focus{
  border-color: rgba(0,0,128,0.55);
  box-shadow: 0 0 0 4px rgba(173,216,230,0.25);
}
.input.error{
  border-color: var(--error);
  box-shadow: 0 0 0 4px rgba(239,68,68,0.15);
}
.input.error:focus{
  border-color: var(--error);
  box-shadow: 0 0 0 4px rgba(239,68,68,0.25);
}
.errorMsg{
  margin-top: 4px;
  font-size: 12px;
  color: var(--error);
  font-weight: 600;
  min-height: 16px;
}
.errorMsg.hidden{
  display: none;
}

.drop{
  border: 2px dashed var(--dash);
  border-radius: 16px;
  padding: 24px;
  background: linear-gradient(180deg, rgba(173,216,230,0.15), rgba(173,216,230,0.08));
  transition: 140ms ease;
  min-height: 190px;
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  margin-top: 12px;
  cursor: pointer;
}
.drop.dragover{
  border-color: rgba(0,0,128,0.6);
  box-shadow: 0 0 0 4px rgba(173,216,230,0.3);
  transform: translateY(-1px);
}
.dropInner{display:flex; flex-direction:column; align-items:center; gap: 10px;}
.icon{
  width: 44px; height: 44px; border-radius: 14px;
  display:grid; place-items:center;
  background: rgba(173,216,230,0.25);
  color: var(--primary);
}
.icon.center{margin: 0 auto;}
.dropTitle{margin:0; font-size: 18px; font-weight: 900;}
.dropMeta{margin:0; font-size: 13px; color: var(--muted);}
.fileLine{
  margin-top: 10px;
  font-size: 13px;
  color: var(--text);
  font-weight: 750;
  max-height: 200px;
  overflow-y: auto;
}
.fileLine.hidden{display:none;}
.fileLine span{color: var(--muted); font-weight: 600;}
.fileLine div{text-align: left;}
.fileItem{
  transition: background 140ms ease;
}
.fileItem:hover{
  background: rgba(173,216,230,0.2) !important;
}
.removeFileBtn{
  transition: all 140ms ease;
  opacity: 0.7;
}
.removeFileBtn:hover{
  opacity: 1;
  transform: scale(1.2);
}
.removeFileBtn:active{
  transform: scale(0.95);
}
.browse{
  margin-top: 8px;
  font-size: 13px;
  color: var(--primary);
  font-weight: 800;
  text-decoration: underline;
  cursor:pointer;
}
input[type="file"]{display:none}

.cta{
  margin-top: 16px;
  width: 100%;
  border: 0;
  padding: 14px 16px;
  border-radius: 14px;
  font-weight: 900;
  font-size: 15px;
  cursor:pointer;
  color: #fff;
  background: linear-gradient(90deg, var(--primary2), var(--primary));
  box-shadow: 0 10px 24px rgba(0,0,128,0.25);
  display:flex;
  align-items:center;
  justify-content:center;
  gap: 10px;
  transition: 140ms ease;
}
.cta:disabled{opacity: 0.6; cursor:not-allowed;}
.cta:hover:not(:disabled){transform: translateY(-1px);}

.loadingInfo{
  max-width: 720px;
  margin: 26px auto 0;
  text-align: center;
  color: var(--muted);
  font-size: 15px;
  font-weight: 600;
  display: block;
  opacity: 1;
}
.loadingInfo p{
  margin: 0;
  color: var(--muted);
}
.loadingInfo.hidden{
  display: none !important;
}

.mini{
  margin: 26px auto 0;
  max-width: 920px;
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.miniCard{
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
  box-shadow: 0 10px 30px rgba(16,24,40,0.05);
  text-align:center;
}
.miniCard h4{margin: 10px 0 8px; font-size: 16px;}
.miniCard p{margin:0; color: var(--muted); font-size: 13px; line-height:1.45;}

/* Modal */
.overlay{
  position: fixed; inset: 0;
  background: rgba(16, 24, 40, 0.45);
  display:none;
  align-items:center;
  justify-content:center;
  padding: 18px;
}
.overlay.show{display:flex;}
.modal{
  width: min(720px, 100%);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 35px;
  max-height: 90vh;
  overflow-y: auto;
}
.modalHeader{display:flex; align-items:center; gap: 10px; margin-bottom: 20px;}
.badge{
  width: 40px; height: 40px; border-radius: 14px;
  display:grid; place-items:center;
  background: rgba(173,216,230,0.25);
  color: var(--primary);
  font-weight: 900;
}
.badge.success{
  background: rgba(16,185,129,0.12);
  color: var(--success);
}
.badge.error{
  background: rgba(239,68,68,0.12);
  color: var(--error);
}
.modalTitle{margin:0; font-size: 18px; font-weight: 950;}
.modalText{margin: 8px 0 0; color: var(--muted); font-size: 14px; line-height:1.5;}
.actions{display:flex; gap: 10px; margin-top: 14px; flex-wrap: wrap;}
.btn{
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  border-radius: 12px;
  padding: 10px 12px;
  font-weight: 900;
  cursor:pointer;
  padding: 12px 20px;
}
.btnPrimary{
  border: 0;
  color:#fff;
  background: linear-gradient(90deg, var(--primary2), var(--primary));
}
.links{
  margin-top: 12px;
  display:flex;
  flex-direction:column;
  gap: 8px;
}
.links.hidden{display:none;}
.linkBtn{
  display:flex; justify-content:space-between; align-items:center;
  text-decoration:none;
  padding: 12px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  color: var(--text);
  font-weight: 900;
  background:#fff;
}
.linkBtn small{color:var(--muted); font-weight:800;}

/* Loader */
.spinner{
  width: 22px; height: 22px;
  border-radius: 50%;
  border: 3px solid rgba(255,255,255,0.35);
  border-top-color: #fff;
  animation: spin 0.9s linear infinite;
}
@keyframes spin{to{transform: rotate(360deg)}}

@media (max-width: 820px){
  .row{grid-template-columns:1fr}
  .mini{grid-template-columns:1fr}
  .title{font-size: 38px}
}