:root{
  --primary:#2b5797; --primary-dark:#1e3f70; --bg:#f4f6f9; --card:#ffffff;
  --border:#dbe2ea; --text:#243244; --muted:#69788d; --danger:#c0392b;
  --ok:#2f8f4e; --warn:#c98a1f;
}
*{box-sizing:border-box;}
body{margin:0;font-family:"Malgun Gothic","Apple SD Gothic Neo","Segoe UI",Arial,sans-serif;background:var(--bg);color:var(--text);}
header.app-header{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;padding:18px 24px;}
header.app-header h1{margin:0;font-size:22px;}
header.app-header p{margin:4px 0 0;font-size:13px;opacity:.85;}

nav.tabs{display:flex;background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10;flex-wrap:wrap;}
nav.tabs a{flex:1;min-width:120px;padding:14px 10px;border:none;background:none;font-size:15px;cursor:pointer;color:var(--muted);border-bottom:3px solid transparent;text-align:center;text-decoration:none;display:block;}
nav.tabs a.active{color:var(--primary);border-bottom-color:var(--primary);font-weight:700;background:#eef3fa;}

main{max-width:1100px;margin:0 auto;padding:18px;}

.card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:18px;margin-bottom:16px;box-shadow:0 1px 3px rgba(20,30,50,.05);}
.card h2{margin:0 0 14px;font-size:16px;color:var(--primary-dark);border-left:4px solid var(--primary);padding-left:10px;}

.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;}
.row4{display:flex;gap:10px;margin-bottom:12px;}
.row4>.field{flex:1;min-width:0;margin-bottom:0;}
@media (max-width:520px){
  .row4{flex-wrap:wrap;}
  .row4>.field{flex:1 1 45%;}
}
label{display:block;font-size:13px;color:var(--muted);margin-bottom:4px;font-weight:600;}
input[type=text],input[type=date],input[type=number],input[type=tel],select,textarea{
  width:100%;padding:9px 10px;border:1px solid var(--border);border-radius:6px;font-size:14px;font-family:inherit;background:#fff;color:var(--text);
}
textarea{resize:vertical;min-height:80px;}
.field{margin-bottom:12px;}

.weekday-badge{display:inline-flex;align-items:center;justify-content:center;padding:0 14px;height:38px;background:#eef3fa;color:var(--primary-dark);border-radius:6px;font-weight:700;font-size:14px;white-space:nowrap;border:1px solid var(--border);}

button{cursor:pointer;font-family:inherit;}
.btn{background:var(--primary);color:#fff;border:none;padding:10px 16px;border-radius:6px;font-size:14px;font-weight:600;}
.btn:hover{background:var(--primary-dark);}
.btn.secondary{background:#fff;color:var(--primary);border:1px solid var(--primary);}
.btn.secondary:hover{background:#eef3fa;}
.btn.danger{background:#fff;color:var(--danger);border:1px solid var(--danger);}
.btn.danger:hover{background:#fdecea;}
.btn.small{padding:6px 10px;font-size:12px;}
.btn:disabled{opacity:.45;cursor:not-allowed;}
.btn-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px;}

table{width:100%;border-collapse:collapse;font-size:13px;}
th,td{border:1px solid var(--border);padding:8px;text-align:left;vertical-align:middle;}
th{background:#eef3fa;color:var(--primary-dark);font-size:12px;}
tbody tr:nth-child(even){background:#fafbfd;}
.table-wrap{overflow-x:auto;}

table.hide-detail .detail-col{display:none;}
.table-toolbar{display:flex;justify-content:flex-end;margin-bottom:8px;}

.att-name{font-weight:700;}
.muted{color:var(--muted);font-size:12px;}

.photo-grid{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px;}
.photo-item{position:relative;width:120px;}
.photo-item img{width:120px;height:90px;object-fit:cover;border-radius:6px;border:1px solid var(--border);}
.photo-item button{position:absolute;top:-6px;right:-6px;background:var(--danger);color:#fff;border:none;border-radius:50%;width:20px;height:20px;font-size:12px;line-height:1;}
.photo-item .cap{font-size:10px;color:var(--muted);text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}

.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:#243244;color:#fff;padding:10px 20px;border-radius:8px;font-size:13px;z-index:999;opacity:0;transition:opacity .25s;pointer-events:none;max-width:90vw;text-align:center;}
.toast.show{opacity:1;}

.modal-overlay{position:fixed;inset:0;background:rgba(20,30,50,.5);display:none;align-items:center;justify-content:center;z-index:1000;padding:16px;}
.modal-overlay.show{display:flex;}
.modal{background:#fff;border-radius:10px;padding:20px;max-width:420px;width:100%;}
.modal h3{margin:0 0 10px;font-size:15px;}
.modal p{font-size:13px;color:var(--muted);margin-bottom:16px;}

.empty{color:var(--muted);font-size:13px;padding:20px;text-align:center;}

.save-status{font-size:12px;color:var(--muted);margin-top:6px;}
.save-status.dirty{color:var(--warn);font-weight:700;}

.storage-note{background:#fff8e6;border:1px solid #f0d999;color:#7a5b00;font-size:12px;padding:10px 14px;border-radius:8px;margin-bottom:16px;}

/* print view (hidden on screen) */
#print-area{display:none;}
@media print{
  body *{visibility:hidden;}
  #print-area, #print-area *{visibility:visible;}
  #print-area{display:block;position:absolute;top:0;left:0;width:100%;padding:10px;}
  .no-print{display:none !important;}
}
.pv-title{text-align:center;font-size:22px;font-weight:800;margin-bottom:14px;letter-spacing:4px;}
.pv-table{width:100%;border-collapse:collapse;margin-bottom:14px;}
.pv-table th,.pv-table td{border:1px solid #333;padding:6px 8px;font-size:13px;}
.pv-table th{background:#f0f0f0;width:110px;text-align:center;}
.pv-section-title{font-weight:800;font-size:13px;background:#e8e8e8;border:1px solid #333;padding:5px 8px;}
.pv-box{border:1px solid #333;border-top:none;padding:10px;min-height:50px;font-size:13px;white-space:pre-wrap;margin-bottom:14px;}
.pv-photos{display:flex;flex-wrap:wrap;gap:8px;border:1px solid #333;border-top:none;padding:10px;margin-bottom:14px;}
.pv-photos img{width:150px;height:110px;object-fit:cover;border:1px solid #999;}
.pv-footer{text-align:right;font-size:11px;color:#555;margin-top:8px;}

@media (max-width:640px){
  header.app-header{padding:14px 16px;}
  main{padding:12px;}
  .card{padding:14px;}
}