:root{
    --bg:#f7f3ea;--surface:#ffffff;--surface-2:#f5f0e5;--line:#eae2d3;
    --ink:#22384f;--ink-soft:#61707f;--ink-faint:#9ba6b0;
    --brand:#4a93d4;--brand-soft:#e8f1fb;--brand-deep:#357ac0;--sky:#eef5fc;
    --good:#12a67a;--good-bg:#e3f6ef;--warn:#d9862a;--warn-bg:#fbefdd;
    --crit:#e0526a;--crit-bg:#fce7ea;
    --shadow:0 1px 2px rgba(20,50,90,.04),0 10px 30px rgba(20,50,90,.08);
    --radius:16px;
    --font:"Sukhumvit Set","IBM Plex Sans Thai",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  }
  @media (prefers-color-scheme:dark){
    :root{--bg:#0a1526;--surface:#0f1f36;--surface-2:#132741;--line:#1f3556;
      --ink:#e8f0fc;--ink-soft:#9db0cd;--ink-faint:#647695;
      --brand:#5b9bff;--brand-soft:#16294a;--brand-deep:#7fb2ff;--sky:#132741;
      --good:#3cd39c;--good-bg:#0f3830;--warn:#e6a552;--warn-bg:#3a2c14;
      --crit:#f0778a;--crit-bg:#3a1a22;
      --shadow:0 1px 2px rgba(0,0,0,.3),0 12px 34px rgba(0,0,0,.4);}
  }
  :root[data-theme="dark"]{--bg:#0a1526;--surface:#0f1f36;--surface-2:#132741;--line:#1f3556;
    --ink:#e8f0fc;--ink-soft:#9db0cd;--ink-faint:#647695;
    --brand:#5b9bff;--brand-soft:#16294a;--brand-deep:#7fb2ff;--sky:#132741;
    --good:#3cd39c;--good-bg:#0f3830;--warn:#e6a552;--warn-bg:#3a2c14;--crit:#f0778a;--crit-bg:#3a1a22;}
  :root[data-theme="light"]{--bg:#f7f3ea;--surface:#ffffff;--surface-2:#f5f0e5;--line:#eae2d3;
    --ink:#22384f;--ink-soft:#61707f;--ink-faint:#9ba6b0;
    --brand:#4a93d4;--brand-soft:#e8f1fb;--brand-deep:#357ac0;--sky:#eef5fc;}

  *{box-sizing:border-box}
  body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:14px;
    line-height:1.5;-webkit-font-smoothing:antialiased}
  .num{font-variant-numeric:tabular-nums}

  /* ============ AUTH ============ */
  #auth{min-height:100vh;display:grid;grid-template-columns:1.05fr 1fr}
  .hero{position:relative;overflow:hidden;color:#fff;padding:48px 46px;display:flex;flex-direction:column;
    background:linear-gradient(150deg,#6aa9de 0%,#4a93d4 52%,#357ac0 100%)}
  .hero .b1,.hero .b2{position:absolute;border-radius:50%;filter:blur(2px);opacity:.35}
  .hero .b1{width:340px;height:340px;background:#7fb2ff;top:-90px;right:-80px}
  .hero .b2{width:260px;height:260px;background:#a9ccff;bottom:-90px;left:-60px;opacity:.25}
  .hero .brand{display:flex;align-items:center;gap:12px;position:relative;z-index:1}
  .hero .mark{width:44px;height:44px;border-radius:12px;background:rgba(255,255,255,.16);
    backdrop-filter:blur(6px);display:grid;place-items:center;font-weight:800;font-size:20px;
    border:1px solid rgba(255,255,255,.25)}
  .hero .brand b{font-size:17px;display:block;line-height:1.1}
  .hero .brand span{font-size:11.5px;opacity:.8;letter-spacing:1px}
  .hero .mid{margin:auto 0;position:relative;z-index:1}
  .hero h2{font-size:30px;line-height:1.25;font-weight:750;margin:0 0 14px;text-wrap:balance;max-width:15ch}
  .hero p{font-size:14.5px;opacity:.9;max-width:34ch;margin:0}
  .hero ul{list-style:none;padding:0;margin:26px 0 0;display:flex;flex-direction:column;gap:13px;position:relative;z-index:1}
  .hero li{display:flex;align-items:center;gap:12px;font-size:14px;opacity:.95}
  .hero li .ck{width:26px;height:26px;border-radius:8px;background:rgba(255,255,255,.18);
    display:grid;place-items:center;flex:none}
  .hero li svg{width:15px;height:15px}
  .hero .foot{position:relative;z-index:1;font-size:12px;opacity:.7;margin-top:26px}

  .formside{display:flex;align-items:center;justify-content:center;padding:40px 24px}
  .formcard{width:100%;max-width:392px}
  .formcard h1{font-size:23px;font-weight:750;margin:0 0 6px;letter-spacing:-.3px}
  .formcard .lead{color:var(--ink-soft);margin:0 0 24px;font-size:13.5px}
  .seg{display:flex;background:var(--surface-2);border:1px solid var(--line);border-radius:12px;
    padding:4px;margin-bottom:22px}
  .seg button{flex:1;border:none;background:none;font-family:inherit;font-size:13.5px;font-weight:600;
    color:var(--ink-soft);padding:9px;border-radius:9px;cursor:pointer;transition:.15s}
  .seg button.on{background:var(--surface);color:var(--brand-deep);box-shadow:var(--shadow)}
  .field{margin-bottom:15px}
  .field label{display:block;font-size:12.5px;font-weight:600;color:var(--ink-soft);margin-bottom:6px}
  .field .inp{position:relative}
  .field .inp svg{position:absolute;left:12px;top:12px;width:17px;height:17px;color:var(--ink-faint)}
  input,select,textarea{width:100%;font-family:inherit;font-size:14px;color:var(--ink);
    background:var(--surface);border:1px solid var(--line);border-radius:11px;padding:11px 13px}
  .field .inp input{padding-left:38px}
  input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand);
    box-shadow:0 0 0 3px var(--brand-soft)}
  input::placeholder,textarea::placeholder{color:var(--ink-faint)}
  .row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
  .aux{display:flex;align-items:center;justify-content:space-between;margin:4px 0 20px;font-size:12.5px}
  .aux label{display:flex;align-items:center;gap:7px;color:var(--ink-soft);cursor:pointer}
  .aux input{width:auto}
  .aux a{color:var(--brand);font-weight:600;text-decoration:none}
  .btn{width:100%;background:var(--brand);color:#fff;border:none;border-radius:12px;padding:13px;
    font-family:inherit;font-weight:700;font-size:14.5px;cursor:pointer;box-shadow:0 6px 16px rgba(47,123,239,.32)}
  .btn:hover{background:var(--brand-deep)}
  .hint{margin-top:12px;font-size:11.5px;color:var(--ink-faint)}
  .loginerr{display:none;background:var(--crit-bg);color:var(--crit);font-size:12.5px;font-weight:600;
    padding:9px 12px;border-radius:10px;margin-bottom:12px;text-align:center}
  .loginerr.show{display:block}
  .devbtn{margin-top:10px;background:var(--surface-2);color:var(--brand-deep);
    box-shadow:none;border:1px dashed var(--brand)}
  .devbtn:hover{background:var(--brand-soft)}
  .reg{display:none} .reg.show{display:block}
  .login.hide{display:none}
  .themetog{position:fixed;top:16px;right:18px;z-index:5;background:var(--surface);border:1px solid var(--line);
    border-radius:10px;width:36px;height:36px;display:grid;place-items:center;cursor:pointer;color:var(--ink-soft)}
  .themetog svg{width:17px;height:17px}

  /* ============ PORTAL ============ */
  #portal,#admin{display:none;min-height:100vh}
  #portal.show,#admin.show{display:block}
  .demoswitch{position:fixed;bottom:18px;left:18px;z-index:8;background:var(--ink);color:#fff;
    border:none;border-radius:24px;padding:10px 16px;font-family:inherit;font-weight:600;font-size:13px;
    cursor:pointer;box-shadow:var(--shadow)}
  .demoswitch:hover{opacity:.9}
  /* PIN lock */
  #pinlock,#confirmlock{position:fixed;inset:0;z-index:20;display:none;align-items:center;justify-content:center;
    background:rgba(9,20,40,.55);backdrop-filter:blur(4px);padding:20px}
  #confirmlock{z-index:40}
  #pinlock.show,#confirmlock.show{display:flex}
  .pinbox .ic.warn{background:var(--crit-bg);color:var(--crit)}
  .pinbox{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:30px 28px 26px;
    width:328px;max-width:92vw;text-align:center;box-shadow:var(--shadow)}
  .pinbox .ic{width:52px;height:52px;border-radius:14px;margin:0 auto 12px;display:grid;place-items:center;
    background:var(--brand-soft);color:var(--brand-deep)}
  .pinbox .ic svg{width:26px;height:26px}
  .pinbox h3{margin:0 0 4px;font-size:17px;font-weight:750}
  .pinbox .sub{margin:0 0 20px;color:var(--ink-soft);font-size:13px}
  .pins{display:flex;gap:11px;justify-content:center;margin-bottom:14px}
  .pins input{width:54px;height:62px;text-align:center;font-size:24px;font-weight:750;
    border-radius:13px;border:1.6px solid var(--line);background:var(--surface-2);color:var(--ink);
    -webkit-text-security:disc;font-variant-numeric:tabular-nums}
  .pins input:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft);outline:none}
  .pins.shake{animation:shake .35s}
  @keyframes shake{0%,100%{transform:translateX(0)}20%,60%{transform:translateX(-8px)}40%,80%{transform:translateX(8px)}}
  .pinerr{color:var(--crit);font-size:12.5px;font-weight:600;height:17px;margin-bottom:14px;visibility:hidden}
  .pinerr.show{visibility:visible}
  .pinbox .cancel{background:none;border:none;color:var(--ink-faint);font-family:inherit;font-size:13px;
    font-weight:600;cursor:pointer}
  @media (prefers-reduced-motion:reduce){.pins.shake{animation:none}}
  /* Slip detail modal */
  #slipview{position:fixed;inset:0;z-index:20;display:none;align-items:center;justify-content:center;
    background:rgba(9,20,40,.55);backdrop-filter:blur(4px);padding:20px}
  #slipview.show{display:flex}
  .svbox{background:var(--surface);border:1px solid var(--line);border-radius:20px;width:380px;max-width:92vw;
    max-height:88vh;overflow:auto;box-shadow:var(--shadow)}
  .svhead{display:flex;align-items:center;justify-content:space-between;padding:15px 18px;
    border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--surface)}
  .svhead h3{margin:0;font-size:15px;font-weight:700}
  .svhead button{background:none;border:none;font-size:24px;color:var(--ink-faint);cursor:pointer;line-height:1}
  .svbody{padding:16px 18px 20px}
  .svbody img{width:100%;border-radius:12px;margin-bottom:14px;border:1px solid var(--line)}
  .noimg{background:var(--surface-2);border:1px dashed var(--line);border-radius:12px;padding:28px;
    text-align:center;color:var(--ink-faint);margin-bottom:14px;font-size:13px}
  .kv{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:10px 0;
    border-top:1px solid var(--line);font-size:13.5px}
  .kv:first-child{border-top:none}
  .kv span:first-child{color:var(--ink-soft)}
  .kv b{font-variant-numeric:tabular-nums}
  /* Lightbox รูปเต็มจอ */
  #lightbox{position:fixed;inset:0;z-index:30;display:none;align-items:center;justify-content:center;
    background:rgba(5,12,25,.92);padding:24px;cursor:zoom-out}
  #lightbox.show{display:flex}
  #lightbox img{max-width:100%;max-height:100%;border-radius:8px;box-shadow:0 12px 44px rgba(0,0,0,.55)}
  #lightbox .close{position:fixed;top:16px;right:20px;background:rgba(255,255,255,.16);border:none;color:#fff;
    width:42px;height:42px;border-radius:50%;font-size:24px;line-height:1;cursor:pointer}
  #lightbox .close:hover{background:rgba(255,255,255,.28)}
  .svbody img{cursor:zoom-in}
  .zoomhint{text-align:center;color:var(--ink-faint);font-size:11.5px;margin:-8px 0 12px}
  .act{display:inline-flex;gap:6px}
  .mini{border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:6px 11px;
    font-family:inherit;font-size:12px;font-weight:600;cursor:pointer;color:var(--ink-soft)}
  .mini.ok{background:var(--good);border-color:transparent;color:#fff}
  .mini.no:hover{background:var(--crit-bg);color:var(--crit);border-color:transparent}
  .mtwo{font-size:11.5px;color:var(--ink-faint);margin-top:2px}
  .pbar{background:var(--surface);border-bottom:1px solid var(--line);padding:0 26px;height:62px;
    display:flex;align-items:center;gap:12px;position:sticky;top:0;z-index:4}
  .pbar .mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--brand),var(--brand-deep));
    display:grid;place-items:center;color:#fff;font-weight:800}
  .pbar b{font-size:14.5px} .pbar .tag{font-size:11px;color:var(--ink-faint);letter-spacing:.5px}
  .pbar .me{margin-left:auto;display:flex;align-items:center;gap:10px}
  .pbar .av{width:34px;height:34px;border-radius:50%;background:var(--sky);color:var(--brand-deep);
    display:grid;place-items:center;font-weight:700}
  .pbar .out{background:none;border:1px solid var(--line);color:var(--ink-soft);border-radius:9px;
    padding:8px 12px;font-family:inherit;font-size:12.5px;font-weight:600;cursor:pointer}
  .wrap{max-width:940px;margin:0 auto;padding:26px 20px 50px}
  .ptop{margin-bottom:20px}
  .ptop h1{font-size:21px;margin:0 0 4px;font-weight:750}
  .ptop p{margin:0;color:var(--ink-soft);font-size:13.5px}
  .wallet{display:grid;grid-template-columns:repeat(3,1fr);background:var(--surface);border:1px solid var(--line);
    border-radius:16px;box-shadow:var(--shadow);margin-bottom:18px;overflow:hidden}
  .wcell{padding:16px 20px;border-left:1px solid var(--line)}
  .wcell:first-child{border-left:none}
  .wcell .wl{color:var(--ink-soft);font-size:12.5px;margin-bottom:8px}
  .wcell .wv{font-size:24px;font-weight:750;letter-spacing:-.3px}
  .wcell.hi{background:linear-gradient(135deg,var(--brand),var(--brand-deep));border-left:none}
  .wcell.hi .wl{color:rgba(255,255,255,.85)}
  .wcell.hi .wv{color:#fff}
  .wcell .wv::after{content:" แอท";font-size:12px;font-weight:600;color:var(--ink-faint)}
  .wcell.hi .wv::after{color:rgba(255,255,255,.8)}
  .stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:22px}
  .stat{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:15px 17px;box-shadow:var(--shadow)}
  .stat.click{cursor:pointer;transition:border-color .15s,box-shadow .15s,transform .1s}
  .stat.click:hover{border-color:var(--brand)}
  .stat.click:active{transform:scale(.99)}
  .stat.active{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
  .stat .go{margin-left:auto;color:var(--brand);font-weight:700;font-size:12px;opacity:0;transition:.15s}
  .stat.click:hover .go,.stat.active .go{opacity:1}
  .stat .l{color:var(--ink-soft);font-size:12.5px;display:flex;align-items:center;gap:7px}
  .stat .l svg{width:16px;height:16px}
  .stat .v{font-size:23px;font-weight:750;margin-top:7px;font-variant-numeric:tabular-nums}
  .cols{display:grid;grid-template-columns:1fr 1.25fr;gap:18px;align-items:start}
  .card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
  .card h3{margin:0;padding:17px 19px 0;font-size:15px;font-weight:700}
  .card .cap{padding:2px 19px 0;color:var(--ink-faint);font-size:12px}
  .cbody{padding:16px 19px 19px}

  /* Upload */
  .drop{border:1.6px dashed var(--line);border-radius:13px;background:var(--surface-2);
    padding:26px 16px;text-align:center;cursor:pointer;transition:.15s;margin-bottom:16px}
  .drop:hover,.drop.hover{border-color:var(--brand);background:var(--brand-soft)}
  .drop.err{border-color:var(--crit);background:var(--crit-bg)}
  .drop svg{width:34px;height:34px;color:var(--brand);opacity:.85}
  .drop .t{font-weight:600;margin-top:8px;font-size:13.5px}
  .drop .s{color:var(--ink-faint);font-size:11.5px;margin-top:3px}
  .drop img{max-height:150px;border-radius:9px;margin-top:4px}
  .badge-pill{font-size:11.5px;font-weight:700;padding:3px 10px;border-radius:20px;display:inline-flex;align-items:center;gap:5px}
  .badge-pill::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
  .s-review{background:var(--warn-bg);color:var(--warn)}
  .s-ok{background:var(--good-bg);color:var(--good)}
  .s-no{background:var(--crit-bg);color:var(--crit)}
  .toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%) translateY(20px);
    background:var(--ink);color:#fff;padding:12px 20px;border-radius:11px;font-weight:600;font-size:13.5px;
    box-shadow:var(--shadow);opacity:0;transition:.25s;z-index:9;display:flex;align-items:center;gap:8px}
  .toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
  .toast svg{width:17px;height:17px;color:var(--good)}

  /* history table */
  .htbl{width:100%;border-collapse:collapse}
  .htbl th{text-align:left;font-size:10.5px;letter-spacing:.4px;text-transform:uppercase;color:var(--ink-faint);
    font-weight:700;padding:0 0 10px}
  .htbl td{padding:12px 0;border-top:1px solid var(--line);font-size:13px}
  .htbl tr:first-child td{border-top:none}
  .htbl .amt{font-weight:700;font-variant-numeric:tabular-nums}

  @media (max-width:900px){
    #auth{grid-template-columns:1fr}
    .hero{display:none}
    .cols{grid-template-columns:1fr}
  }
  [hidden]{display:none!important}
  .htbl td .sub{font-size:11.5px;color:var(--ink-faint)}
  .btn:disabled{opacity:.6;cursor:wait}
  .empty{color:var(--ink-faint);padding:14px 0}
  .htbl tfoot td{border-top:2px solid var(--line);font-weight:750;padding-top:14px}
  .htbl tfoot tr.sum td:first-child{color:var(--ink-soft)}

  /* ===== แดชบอร์ดกราฟ (mcnchart.js) ===== */
  .mc-dash{display:flex;flex-direction:column;gap:14px;margin-bottom:20px}
  .mc-kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
  .mc-kpi{background:var(--surface-2);border:1px solid var(--line);border-radius:12px;padding:12px 14px;min-width:0}
  .mc-kpi .l{font-size:12px;color:var(--ink-soft)}
  .mc-kpi .v{font-size:21px;font-weight:750;margin-top:4px;font-variant-numeric:tabular-nums;letter-spacing:-.3px}
  .mc-kpi .s{font-size:11.5px;color:var(--ink-faint);margin-top:2px}
  .mc-kpi.good .v{color:var(--good)}
  .mc-kpi.bad .v{color:var(--crit)}
  .mc-bar{display:flex;gap:10px;align-items:center;justify-content:space-between;flex-wrap:wrap}
  .mc-range{display:inline-flex;background:var(--surface-2);border:1px solid var(--line);border-radius:10px;padding:3px}
  .mc-range button{border:none;background:none;font:inherit;font-size:12.5px;font-weight:600;color:var(--ink-soft);padding:6px 12px;border-radius:8px;cursor:pointer}
  .mc-range button.on{background:var(--surface);color:var(--brand-deep);box-shadow:var(--shadow)}
  .mc-legend{display:flex;gap:14px;flex-wrap:wrap;font-size:12px;color:var(--ink-soft)}
  .mc-legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:6px;vertical-align:-1px}
  .mc-chart{position:relative;width:100%}
  .mc-chart svg{display:block;max-width:100%}
  .mc-grid{stroke:var(--line);stroke-width:1}
  .mc-axis{fill:var(--ink-faint);font-size:11px;font-family:inherit}
  .mc-ads{fill:var(--brand)}
  .mc-com{fill:var(--good)}
  .mc-pline{fill:none;stroke:var(--warn);stroke-width:2.2;stroke-linejoin:round;stroke-linecap:round}
  .mc-dot{stroke:var(--surface);stroke-width:2}
  .mc-dot.ok{fill:var(--warn)}
  .mc-dot.bad{fill:var(--crit)}
  .mc-thr{stroke:var(--crit);stroke-width:1.2;stroke-dasharray:5 4;opacity:.8}
  .mc-hl{fill:var(--brand);opacity:0;transition:opacity .1s}
  .mc-tip{position:absolute;display:none;pointer-events:none;background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:10px;padding:8px 11px;font-size:12px;line-height:1.55;box-shadow:var(--shadow);white-space:nowrap;z-index:3}
  .mc-tip .bad{color:var(--crit);font-weight:700}
  .mc-rank{display:flex;flex-direction:column;gap:11px}
  .mc-rk{display:grid;grid-template-columns:minmax(80px,1.1fr) 2.4fr auto;gap:10px;align-items:center;font-size:13px}
  .mc-rk .nm{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .mc-rk .tr{background:var(--surface-2);border-radius:8px;height:14px;position:relative;overflow:hidden}
  .mc-rk .fl{position:absolute;left:0;top:0;bottom:0;background:var(--good);border-radius:8px}
  .mc-rk .pc{font-weight:700;font-variant-numeric:tabular-nums;text-align:right;white-space:nowrap}
  .mc-rk .pc.bad{color:var(--crit)}
  .mc-rk .pc.ok{color:var(--good)}
  .mc-sub{margin:4px 0 10px;font-size:13px;font-weight:700;color:var(--ink-soft)}
  @media (max-width:640px){.mc-kpis{grid-template-columns:repeat(2,1fr)}.mc-rk{grid-template-columns:1fr auto}.mc-rk .tr{grid-column:1/-1;order:3}}