:root{
    --bg:#F4F7EE; --card:#FFFFFF; --ink:#243318; --ink-soft:#5B6B4E;
    --green:#3E6B3A; --green-dark:#274A26; --amber:#E29A2E; --amber-soft:#FBEBD1;
    --red:#C0533E; --line:#DDE3CE; --booked:#C6CBB9;
    --lm-walk:#D8DECB; --lm-sub:#E6EADB; --lm-parking:#D9CDB8; --lm-gate:#B9C2A6; --lm-front:#F1C57A; --lm-back:#C9AF8B;
  }
  *{box-sizing:border-box;}
  body{margin:0;background:var(--bg);color:var(--ink);font-family:'Sarabun',sans-serif;padding:0 0 60px;}
  h1,h2,h3,.brand{font-family:'Kanit',sans-serif;}
  .topbar{background:var(--green-dark);color:#fff;padding:18px 20px;display:flex;align-items:center;gap:10px;overflow:hidden;box-sizing:border-box;}
  .topbar-icon{width:26px;height:26px;min-width:26px;flex-shrink:0;display:block;}
  .topbar .brand{font-size:20px;font-weight:600;letter-spacing:.3px;}
  .topbar .sub{font-size:13px;opacity:.8;margin-top:2px;}

  .toast-wrap{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);z-index:200;display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none;width:100%;padding:0 16px;}
  .toast{background:#243318;color:#fff;padding:11px 20px;border-radius:10px;font-size:13.5px;box-shadow:0 4px 16px rgba(0,0,0,.28);opacity:0;transform:translateY(10px);transition:opacity .25s,transform .25s;max-width:420px;text-align:center;font-family:'Sarabun',sans-serif;}
  .toast.show{opacity:1;transform:translateY(0);}
  .toast.error{background:#C0533E;}
  .toast.success{background:#3E6B3A;}

  .saving-badge{position:fixed;top:14px;right:14px;background:#ffffffee;color:var(--green-dark);font-size:12.5px;font-weight:600;padding:7px 14px;border-radius:20px;box-shadow:0 2px 10px rgba(0,0,0,.15);z-index:150;display:none;align-items:center;gap:6px;font-family:'Sarabun',sans-serif;}
  .saving-badge.show{display:flex;}
  .saving-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--amber);animation:savingPulse 1s infinite ease-in-out;}
  @keyframes savingPulse{0%,100%{opacity:.3}50%{opacity:1}}
  .wrap{max-width:680px;margin:0 auto;padding:20px 16px;}
  .steps{display:flex;gap:6px;margin-bottom:22px;}
  .steps .dot{flex:1;height:6px;border-radius:4px;background:var(--line);}
  .steps .dot.on{background:var(--green);}
  .modeToggle{display:flex;gap:8px;margin-bottom:16px;}
  .modeBtn{position:relative;flex:1;padding:11px;border-radius:10px;border:1.5px solid var(--line);background:#fff;font-size:13.5px;font-family:'Sarabun',sans-serif;font-weight:600;cursor:pointer;color:var(--ink-soft);}
  .modeBtn.active{background:var(--green-dark);color:#fff;border-color:var(--green-dark);}
  .badge{display:none;position:absolute;top:-7px;right:-7px;background:var(--red);color:#fff;font-size:10.5px;font-weight:700;min-width:19px;height:19px;border-radius:10px;align-items:center;justify-content:center;padding:0 5px;box-shadow:0 0 0 2px #fff;}
  .alert-item{display:flex;justify-content:space-between;align-items:center;gap:10px;background:var(--amber-soft);border:1px solid #E8B65F;border-radius:10px;padding:10px 14px;margin-top:8px;font-size:13px;cursor:pointer;}
  .alert-item.urgent{background:#FADBD3;border-color:var(--red);}
  .alert-item .a-title{font-weight:600;}
  .alert-item .a-meta{font-size:12px;color:var(--ink-soft);margin-top:2px;}
  .alert-empty{font-size:13px;color:var(--ink-soft);text-align:center;padding:14px 0;background:#F8FAF3;border-radius:10px;}
  .zone-card{background:#F8FAF3;border:1px solid var(--line);border-radius:10px;padding:12px 14px;margin-top:8px;cursor:pointer;}
  .zone-card .zc-top{display:flex;justify-content:space-between;align-items:center;}
  .zone-card .zc-name{font-weight:600;font-size:14px;}
  .zone-card .zc-arrow{color:var(--ink-soft);}
  .zone-card .zc-bar{display:flex;height:8px;border-radius:5px;overflow:hidden;margin-top:8px;background:var(--line);}
  .zone-card .zc-stats{display:flex;flex-wrap:wrap;gap:10px;font-size:11.5px;color:var(--ink-soft);margin-top:6px;}
  .zone-card .zc-stats span{display:inline-flex;align-items:center;gap:4px;}
  .card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px;margin-bottom:16px;}
  h2{font-size:19px;margin:0 0 4px;color:var(--green-dark);}
  .hint{font-size:14px;color:var(--ink-soft);margin:0 0 18px;line-height:1.6;}
  label{display:block;font-size:14px;font-weight:600;margin:14px 0 6px;}
  input[type=text],input[type=number]{width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;font-size:16px;font-family:'Sarabun',sans-serif;background:#FCFDF9;color:var(--ink);}
  input:focus{outline:2px solid var(--green);border-color:var(--green);}
  .row2{display:flex;gap:12px;}
  .row2>div{flex:1;}
  .btn{display:inline-block;padding:13px 22px;border-radius:10px;border:none;font-family:'Sarabun',sans-serif;font-size:16px;font-weight:600;cursor:pointer;text-align:center;color:#fff;}
  .btn-primary{background:var(--green);color:#fff;width:100%;margin-top:20px;}
  .btn-primary:disabled{background:#B8C4AA;cursor:not-allowed;}
  .btn-ghost{background:transparent;color:var(--green-dark);border:1.5px solid var(--line);width:100%;margin-top:10px;}
  .btn-add{background:var(--amber);color:#4A2F05;width:100%;margin-top:16px;}
  .btn-small{padding:8px 12px;font-size:13px;border-radius:8px;border:1.5px solid var(--line);background:#fff;color:var(--green-dark);cursor:pointer;font-weight:600;}
  .zone-item{display:flex;justify-content:space-between;align-items:center;background:#F8FAF3;border:1px solid var(--line);border-radius:10px;padding:12px 14px;margin-top:10px;}
  .zone-item .name{font-weight:600;}
  .zone-item .meta{font-size:13px;color:var(--ink-soft);margin-top:2px;}
  .zone-item .actions{display:flex;gap:8px;}
  .zone-item .actions button{background:none;border:none;font-size:13px;cursor:pointer;font-weight:600;}
  .zone-item .edit-btn{color:var(--green-dark);}
  .zone-item .del-btn{color:var(--red);}
  .empty{text-align:center;color:var(--ink-soft);font-size:14px;padding:20px 0;}
  .daychecks{display:flex;gap:6px;flex-wrap:wrap;margin-top:4px;}
  .daychecks label{display:flex;align-items:center;gap:4px;background:#F8FAF3;border:1.5px solid var(--line);border-radius:8px;padding:7px 11px;font-size:13px;cursor:pointer;font-weight:600;color:var(--ink);}
  .daychecks input{margin:0;accent-color:var(--green);}

  .search-select{position:relative;}
  .search-select-list{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;border:1.5px solid var(--line);border-radius:10px;margin-top:4px;max-height:220px;overflow-y:auto;z-index:40;box-shadow:0 6px 20px rgba(0,0,0,.12);}
  .ss-item{padding:10px 14px;font-size:14px;cursor:pointer;}
  .ss-item:hover{background:#F1F4EA;}
  .ss-empty{padding:10px 14px;font-size:13px;color:var(--ink-soft);}

  .share-bar{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-top:16px;padding-top:16px;border-top:1px solid var(--line);}
  .share-label{font-size:13px;color:var(--ink-soft);font-weight:600;margin-right:2px;}
  .share-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:20px;border:1.5px solid var(--line);background:#fff;font-size:13px;font-weight:600;cursor:pointer;text-decoration:none;font-family:'Sarabun',sans-serif;color:var(--ink);}
  .share-btn svg{width:15px;height:15px;flex-shrink:0;}
  .share-btn.share-native{background:#F8FAF3;}
  .share-btn.share-fb{background:#1877F2;border-color:#1877F2;color:#fff;}
  .share-btn.share-line{background:#06C755;border-color:#06C755;color:#fff;}
  .editing-flag{background:var(--amber-soft);color:#6B4A10;font-size:13px;padding:8px 12px;border-radius:8px;margin-top:14px;display:flex;justify-content:space-between;align-items:center;}
  .editing-flag button{background:none;border:none;color:#6B4A10;text-decoration:underline;font-weight:600;cursor:pointer;font-size:13px;}

  /* overview canvas */
  .palette{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px;}
  .canvas-outer{position:relative;width:100%;aspect-ratio:3/2;background:#EFF3E6;border:2px dashed var(--line);border-radius:14px;overflow:hidden;touch-action:none;}
  .citem{position:absolute;border-radius:8px;display:flex;align-items:center;justify-content:center;text-align:center;font-size:12px;font-weight:600;cursor:grab;user-select:none;line-height:1.3;padding:4px;overflow:hidden;}
  .citem:active{cursor:grabbing;}
  .citem.zone{background:#DCEBD3;border:1.5px solid var(--green);color:var(--green-dark);}
  .citem.lm-main{background:repeating-linear-gradient(90deg,var(--lm-walk),var(--lm-walk) 10px,#EFF3E6 10px,#EFF3E6 14px);border:1px solid #B9C2A6;color:#4B5940;}
  .citem.lm-sub{background:var(--lm-sub);border:1px dashed #B9C2A6;color:#5B6B4E;}
  .citem.lm-parking{background:repeating-linear-gradient(45deg,var(--lm-parking),var(--lm-parking) 8px,#e5dac2 8px,#e5dac2 16px);border:1px solid #B9A97D;color:#5A4A26;}
  .citem.lm-gate{background:var(--lm-gate);border:1px solid #8E9A78;color:#31391F;}
  .citem.lm-front{background:var(--lm-front);border:1px solid #C99A3E;color:#553D0B;}
  .citem.lm-back{background:var(--lm-back);border:1px solid #A6875F;color:#4A3823;}
  .citem .x-close{position:absolute;top:2px;right:2px;width:18px;height:18px;background:#fff;border-radius:50%;font-size:12px;line-height:18px;text-align:center;color:var(--red);cursor:pointer;box-shadow:0 0 0 1px var(--line);}
  .citem .b2f{position:absolute;top:2px;left:2px;width:18px;height:18px;background:#fff;border-radius:50%;font-size:11px;line-height:18px;text-align:center;color:var(--green-dark);cursor:pointer;box-shadow:0 0 0 1px var(--line);}
  .citem .rs{position:absolute;bottom:0;right:0;width:14px;height:14px;cursor:se-resize;background:linear-gradient(135deg,transparent 50%,#00000033 50%);border-radius:0 0 6px 0;}
  .legend2{display:flex;flex-wrap:wrap;gap:10px;font-size:12.5px;color:var(--ink-soft);margin:14px 0 4px;}
  .legend2 span{display:inline-flex;align-items:center;gap:5px;}
  .sw2{width:13px;height:13px;border-radius:4px;display:inline-block;}

  /* zone detail grid */
  .zone-block{margin-bottom:26px;}
  .zone-block h3{font-size:16px;margin:0 0 3px;}
  .zone-block .zh{font-size:12.5px;color:var(--ink-soft);margin:0 0 12px;}
  .grid{display:grid;gap:8px;}
  .lot{position:relative;aspect-ratio:1/1;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;cursor:pointer;user-select:none;border:1.5px solid transparent;transition:transform .08s;background-size:cover;background-position:center;}
  .lot:active{transform:scale(.93);}
  .lot.free{background-color:#E4F0DD;color:var(--green-dark);border-color:#BFDCAE;}
  .lot.booked{background-color:var(--booked);color:#4A5240;}
  .lot.pending{background-color:#FBE0AE;color:#7A4E12;border-color:#E8B65F;}
  .lot.awaiting{background-color:#DCE6F5;color:#2C4A7A;border-color:#9FB8E0;}
  .lot.closed{background-color:#fff;color:var(--red);border:1.5px dashed var(--red);}
  .lot .countdown{font-size:8.5px;font-weight:500;display:block;}
  .laneGap{display:flex;align-items:center;justify-content:center;font-size:10.5px;font-weight:600;color:#5B6B4E;cursor:pointer;border-radius:6px;flex-shrink:0;text-align:center;}
  .laneGap.gap-none{background:transparent;border:1px dashed var(--line);color:var(--ink-soft);opacity:.55;}
  .laneGap.gap-main{background:repeating-linear-gradient(90deg,var(--lm-walk),var(--lm-walk) 10px,#EFF3E6 10px,#EFF3E6 14px);border:1px solid #B9C2A6;color:#4B5940;}
  .laneGap.gap-sub{background:var(--lm-sub);border:1px dashed #B9C2A6;color:#5B6B4E;}
  .laneGap.vert{writing-mode:vertical-rl;}
  .lot .pencil{position:absolute;top:1px;right:1px;width:16px;height:16px;background:#ffffffcc;border-radius:50%;font-size:9px;display:flex;align-items:center;justify-content:center;}
  .lot .lbl{text-shadow:0 0 4px #fff, 0 0 4px #fff;}
  .legend{display:flex;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--ink-soft);margin:14px 0 4px;}
  .legend span{display:inline-flex;align-items:center;gap:6px;}
  .sw{width:14px;height:14px;border-radius:4px;display:inline-block;}
  .summary{display:flex;gap:10px;margin-top:4px;}
  .summary .box{flex:1;background:#F8FAF3;border:1px solid var(--line);border-radius:12px;padding:14px 10px;text-align:center;}
  .summary .num{font-size:22px;font-weight:700;color:var(--green-dark);font-family:'Kanit',sans-serif;}
  .summary .lbl{font-size:12px;color:var(--ink-soft);margin-top:2px;}

  /* modal */
  .overlay{position:fixed;inset:0;background:#00000055;display:flex;align-items:center;justify-content:center;padding:20px;z-index:50;}
  .modal{background:#fff;border-radius:16px;padding:22px;max-width:400px;width:100%;max-height:85vh;overflow-y:auto;}
  .modal h3{margin:0 0 14px;font-size:17px;color:var(--green-dark);}
  .photo-preview{width:100%;height:140px;border-radius:10px;background:#F1F4EA;border:1.5px dashed var(--line);display:flex;align-items:center;justify-content:center;color:var(--ink-soft);font-size:13px;background-size:cover;background-position:center;margin-top:8px;}
  .status-btns{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
  .status-btns button{flex:1 1 30%;padding:10px 4px;border-radius:8px;border:1.5px solid var(--line);background:#fff;font-size:12.5px;font-weight:600;cursor:pointer;}
  .status-btns button.active{border-color:var(--green);background:#EAF3E3;color:var(--green-dark);}
  .modal-actions{display:flex;gap:10px;margin-top:18px;}
  .modal-actions .btn{margin:0;}
  .photo-thumbs{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px;}
  .photo-thumbs img{width:56px;height:56px;object-fit:cover;border-radius:8px;border:1px solid var(--line);cursor:pointer;}