:root{
  --bg:#F5F3EC;
  --paper:#FFFFFF;
  --ink:#22281C;
  --ink-soft:#6B705C;
  --green:#111712;
  --green-2:#1B241D;
  --brass:#C9A85D;
  --brass-soft:rgba(201,168,93,.45);
  --line:#E4E0D2;
  --ok:#5F7F45;
  --warn:#B98A2F;
  --danger:#A8513F;
  --mono:'IBM Plex Mono',monospace;
  --shadow:0 10px 34px rgba(34,40,28,.08);
}
*{margin:0;padding:0;box-sizing:border-box}
body{
  background:#090b08;
  min-height:100vh;
  color:#EFE6D1;
  font-family:'Sarabun',sans-serif;
}
/* พื้นหลังเป็น layer fixed แยก — GPU composite, ไม่ repaint ตอนเลื่อน (ลื่นบนมือถือ)
   2-crop: มือถือใช้รูปแนวตั้ง, PC ใช้รูปแนวนอน · scrim ดำกดส่วนทองให้อ่านง่าย */
body::before{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    linear-gradient(rgba(8,10,7,.5),rgba(8,10,7,.8)),
    url("assets/dark-canvas-bg01.webp") center/cover no-repeat,
    #080a07;
}
@media (min-aspect-ratio:1/1){
  body::before{
    background:
      linear-gradient(rgba(8,10,7,.5),rgba(8,10,7,.8)),
      url("assets/dark-canvas-bg01-wide.webp") center top/cover no-repeat,
      #080a07;
  }
}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}}
body::after{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:1;
  mix-blend-mode:soft-light;opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
::selection{background:var(--brass);color:#fff}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--brass);outline-offset:3px}

/* ===== Header ===== */
header{
  position:sticky;top:0;z-index:50;
  background:rgba(12,16,12,.78);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(201,168,93,.15);
}
header::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(201,168,93,.35),transparent);
}
.h-wrap{max-width:1200px;margin:0 auto;padding:16px 22px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.header-logo{width:52px;height:52px;object-fit:contain;display:block;filter:drop-shadow(0 0 10px rgba(201,168,93,.25))}
.h-title{flex:1;min-width:170px}
.h-title h1{font-family:'Kanit';font-weight:500;font-size:17px;letter-spacing:.3px;color:#EFE6D1}
.h-title p{font-family:var(--mono);font-size:10px;color:rgba(239,230,209,.55);letter-spacing:2.5px;text-transform:uppercase}
.h-status{display:flex;align-items:center;gap:12px;font-family:var(--mono);font-size:11.5px;color:rgba(239,230,209,.55)}
.dot{width:7px;height:7px;border-radius:50%;background:var(--ok);display:inline-block;margin-right:6px}
.dot.offline{background:var(--warn)}
.icon-btn{
  background:rgba(255,255,255,.06);border:1px solid rgba(201,168,93,.2);color:rgba(239,230,209,.6);
  width:38px;height:38px;display:grid;place-items:center;border-radius:8px;
  transition:all .2s;font-size:15px;
}
.icon-btn:hover{border-color:var(--brass);color:var(--brass)}
.back-link{
  display:flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.06);border:1px solid rgba(201,168,93,.2);color:rgba(239,230,209,.7);
  padding:8px 14px;border-radius:8px;font-size:13px;font-family:'Kanit';
  text-decoration:none;transition:all .2s;
}
.back-link:hover{border-color:var(--brass);color:var(--brass)}

/* ===== Main ===== */
main{max-width:1200px;margin:0 auto;padding:30px 22px 90px}

/* Page heading */
.page-eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:4px;color:var(--brass);text-transform:uppercase;margin-bottom:8px}
.page-title{font-family:'Kanit';font-weight:300;font-size:34px;color:#F4E8C8;margin-bottom:4px}
.page-sub{font-size:14px;color:rgba(239,230,209,.5);margin-bottom:30px}

/* ===== KPI bar ===== */
.kpi-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:28px}
.kpi{
  position:relative;overflow:hidden;
  background:radial-gradient(circle at 82% 12%,rgba(201,168,93,.1),transparent 58%),linear-gradient(165deg,rgba(255,255,255,.035),rgba(255,255,255,.01));
  border:1px solid rgba(201,168,93,.18);
  border-radius:18px;padding:24px 22px;
}
#kpiRow .kpi:has(.danger){border-color:rgba(168,81,63,.32);background:radial-gradient(circle at 82% 12%,rgba(168,81,63,.16),transparent 58%),linear-gradient(165deg,rgba(255,255,255,.035),rgba(255,255,255,.01))}
#kpiRow .kpi:has(.warn){border-color:rgba(185,138,47,.3);background:radial-gradient(circle at 82% 12%,rgba(185,138,47,.14),transparent 58%),linear-gradient(165deg,rgba(255,255,255,.035),rgba(255,255,255,.01))}
.kpi::before{
  content:"";position:absolute;top:10px;left:10px;
  width:16px;height:16px;
  border-top:1px solid rgba(201,168,93,.35);border-left:1px solid rgba(201,168,93,.35);
}
.kpi::after{
  content:"";position:absolute;bottom:10px;right:10px;
  width:16px;height:16px;
  border-bottom:1px solid rgba(201,168,93,.35);border-right:1px solid rgba(201,168,93,.35);
}
.kpi-label{font-family:'Sarabun',sans-serif;font-size:14px;color:rgba(239,230,209,.6);margin-bottom:8px}
.kpi-value{font-family:var(--mono);font-size:44px;font-weight:600;color:#F4E8C8;line-height:1}
.kpi-value.danger{color:#E07A5F}
.kpi-value.warn{color:#D7B25C}
.kpi-unit{font-family:var(--mono);font-size:12px;color:rgba(201,168,93,.6);margin-top:8px}
.kpi-icon{width:38px;height:38px;border-radius:9px;border:1px solid rgba(201,168,93,.3);display:grid;place-items:center;font-size:17px;color:var(--brass);margin-bottom:16px}
#kpiRow .kpi:has(.danger) .kpi-icon{border-color:rgba(168,81,63,.4);color:#D98C7A}
#kpiRow .kpi:has(.warn) .kpi-icon{border-color:rgba(185,138,47,.4);color:#D7B25C}

/* ===== Section headings ===== */
.section-divider{
  display:flex;align-items:center;gap:16px;margin:32px 0 18px;
}
.section-divider::before,.section-divider::after{
  content:"";flex:1;height:1px;background:rgba(201,168,93,.2);
}
.section-divider span{
  font-family:var(--mono);font-size:10.5px;letter-spacing:3px;color:var(--brass);text-transform:uppercase;white-space:nowrap;
}

/* ===== Panel shell ===== */
.panel{
  position:relative;
  background:rgba(10,12,10,.55);
  border:1px solid rgba(201,168,93,.14);
  border-radius:18px;overflow:hidden;
}
.panel::before{content:"";position:absolute;top:12px;left:12px;width:18px;height:18px;border-top:1px solid rgba(201,168,93,.4);border-left:1px solid rgba(201,168,93,.4);z-index:1;pointer-events:none}
.panel-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 22px;border-bottom:1px solid rgba(201,168,93,.1);
}
.panel-head h2{font-family:'Kanit';font-weight:400;font-size:16px;color:#F4E8C8}
.panel-head .badge{
  font-family:var(--mono);font-size:11px;
  background:rgba(201,168,93,.1);border:1px solid rgba(201,168,93,.25);
  color:var(--brass);padding:3px 10px;border-radius:20px;
}

/* ===== Debtor list ===== */
.debtor-row{
  display:flex;align-items:center;gap:14px;
  padding:14px 22px;border-bottom:1px solid rgba(201,168,93,.07);
  transition:background .2s;
}
.debtor-row:last-child{border-bottom:none}
.debtor-row:hover{background:rgba(201,168,93,.04)}
.debtor-rank{
  font-family:var(--mono);font-size:11px;color:rgba(201,168,93,.45);
  width:22px;text-align:center;flex-shrink:0;
}
.debtor-rank.top{color:var(--brass)}
.debtor-name{flex:1;font-family:'Kanit';font-size:15px;color:#EFE6D1}
.debtor-items{font-family:var(--mono);font-size:11px;color:rgba(239,230,209,.4);margin-top:2px}
.debtor-amount{font-family:var(--mono);font-weight:600;font-size:18px;color:#E07A5F;flex-shrink:0}
.debtor-amount small{font-size:11px;color:rgba(239,230,209,.4);font-weight:400;margin-left:3px}

/* ===== Stock list ===== */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:28px}
.stock-row{
  display:flex;align-items:center;gap:14px;
  padding:12px 22px;border-bottom:1px solid rgba(201,168,93,.07);
  transition:background .2s;
}
.stock-row:last-child{border-bottom:none}
.stock-row:hover{background:rgba(201,168,93,.04)}
.stock-icon{font-size:18px;flex-shrink:0;width:28px;text-align:center}
.stock-name{flex:1;font-family:'Kanit';font-size:14px;color:#EFE6D1}
.stock-cat{font-family:var(--mono);font-size:10px;color:rgba(239,230,209,.35);margin-top:2px}
.stock-qty{font-family:var(--mono);font-weight:600;font-size:16px;flex-shrink:0}
.stock-qty.out{color:#E07A5F}
.stock-qty.low{color:#C9A85D}
.stock-bar-wrap{width:60px;flex-shrink:0}
.stock-bar{height:3px;border-radius:2px;background:rgba(201,168,93,.15)}
.stock-bar-fill{height:3px;border-radius:2px;background:var(--brass);transition:width .4s}
.stock-bar-fill.out{background:#E07A5F}
#slowList{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px;padding:14px}
#slowList .empty-panel{grid-column:1/-1}
.slow-row{display:flex;align-items:center;gap:14px;padding:14px 16px;border:1px solid rgba(201,168,93,.12);border-radius:12px;background:rgba(255,255,255,.014)}
.slow-row:last-child{border-bottom:1px solid rgba(201,168,93,.12)}
.slow-row:hover{background:rgba(201,168,93,.04)}
.slow-rate{font-family:var(--mono);font-weight:600;font-size:20px;color:#D7B25C;flex-shrink:0;width:64px;text-align:center}
.slow-rate.dead{color:#E07A5F}
.slow-days{font-family:var(--mono);font-size:10.5px;color:rgba(239,230,209,.4);margin-top:2px}

/* ===== Empty / loading ===== */
.empty-panel{
  text-align:center;padding:36px 20px;
  font-family:var(--mono);font-size:12px;letter-spacing:2px;color:rgba(201,168,93,.3);
  text-transform:uppercase;
}
.spinner{
  display:inline-block;width:18px;height:18px;
  border:2px solid rgba(201,168,93,.2);border-top-color:var(--brass);
  border-radius:50%;animation:spin .8s linear infinite;margin-right:8px;vertical-align:middle;
}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.panel{animation:fadeUp .4s ease}

/* ===== Banner ===== */
.banner{
  background:rgba(185,138,47,.09);border:1px solid rgba(185,138,47,.3);color:#C9A85D;
  font-size:13px;padding:11px 16px;border-radius:10px;margin-bottom:22px;
  font-family:var(--mono);font-size:11px;letter-spacing:1px;
}

/* ===== Sync bar ===== */
.sync-bar{
  display:flex;align-items:center;justify-content:flex-end;gap:16px;
  margin-bottom:22px;font-family:var(--mono);font-size:11px;color:rgba(201,168,93,.5);
}
.sync-bar button{
  background:none;border:1px solid rgba(201,168,93,.2);color:rgba(201,168,93,.6);
  padding:5px 12px;border-radius:6px;font-family:var(--mono);font-size:11px;
  transition:all .2s;
}
.sync-bar button:hover{border-color:var(--brass);color:var(--brass)}

/* ===== Responsive ===== */
@media(max-width:780px){
  .kpi-row{grid-template-columns:1fr 1fr}
  .two-col{grid-template-columns:1fr}
}
@media(max-width:500px){
  .kpi-row{grid-template-columns:1fr}
  .kpi-value{font-size:28px}
}

/* ===== Feedback admin panel ===== */
.fb-row{
  display:flex;align-items:flex-start;gap:14px;
  padding:16px 20px;border-bottom:1px solid rgba(201,168,93,.07);
  transition:background .2s;
}
.fb-row:last-child{border-bottom:none}
.fb-row:hover{background:rgba(201,168,93,.03)}
.fb-body{flex:1;min-width:0}
.fb-topic{font-family:'Kanit';font-size:15px;color:#EFE6D1;margin-bottom:4px}
.fb-text{font-size:13.5px;color:rgba(239,230,209,.6);line-height:1.5;margin-bottom:6px}
.fb-meta{font-family:var(--mono);font-size:10.5px;color:rgba(201,168,93,.4);display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.fb-votes{color:var(--brass)}
.fb-actions{display:flex;flex-direction:row;flex-wrap:wrap;gap:8px;flex-shrink:0;align-items:flex-start}
.status-btn{padding:7px 13px}
.status-btn{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.5px;
  padding:5px 11px;border-radius:6px;border:1px solid;
  cursor:pointer;transition:all .2s;white-space:nowrap;background:none;
}
.status-btn.processing{color:#C9A85D;border-color:rgba(201,168,93,.35)}
.status-btn.processing:hover,.status-btn.processing.active{background:rgba(201,168,93,.12);border-color:var(--brass)}
.status-btn.approved{color:#5F7F45;border-color:rgba(95,127,69,.3)}
.status-btn.approved:hover,.status-btn.approved.active{background:rgba(95,127,69,.12);border-color:#5F7F45}
.status-btn.rejected{color:#A8513F;border-color:rgba(168,81,63,.3)}
.status-btn.rejected:hover,.status-btn.rejected.active{background:rgba(168,81,63,.1);border-color:#A8513F}
.status-btn.active{font-weight:600}
.fb-status-badge{
  font-family:var(--mono);font-size:10px;letter-spacing:1px;padding:3px 9px;border-radius:20px;
}
.fb-status-badge.pending{color:rgba(239,230,209,.35);border:1px solid rgba(255,255,255,.08)}
.fb-status-badge.processing{color:#C9A85D;background:rgba(201,168,93,.1);border:1px solid rgba(201,168,93,.25)}
.fb-status-badge.approved{color:#5F7F45;background:rgba(95,127,69,.1);border:1px solid rgba(95,127,69,.25)}
.fb-status-badge.rejected{color:#A8513F;background:rgba(168,81,63,.1);border:1px solid rgba(168,81,63,.2)}

/* ===== Auth overlay ===== */
#authOverlay{
  position:fixed;inset:0;background:rgba(9,11,8,.96);
  display:flex;align-items:center;justify-content:center;z-index:200;
  flex-direction:column;gap:12px;
  font-family:var(--mono);font-size:13px;letter-spacing:2px;color:rgba(201,168,93,.6);
  text-align:center;padding:20px;
}
#authOverlay p{margin-bottom:4px}
#authOverlay a{color:var(--brass);text-decoration:none;border-bottom:1px solid rgba(201,168,93,.3)}