:root{
  --bg:#f4f7fc;--surface:#fff;--surface-2:#eef4ff;--ink:#14213d;--muted:#6b7890;
  --primary:#102a56;--primary-2:#1f5d9d;--accent:#7fc9ff;--line:#d9e3f2;
  --success:#17824b;--warning:#b86d00;--danger:#b4233b;--shadow:0 18px 45px rgba(16,42,86,.12);
  --radius:24px;--safe-bottom:max(16px,env(safe-area-inset-bottom));
}
[data-theme="powder-blue"]{--bg:#f3fbff;--surface-2:#e5f7ff;--primary:#1a6e91;--primary-2:#3097bb;--accent:#99def2;--line:#ccebf5}
[data-theme="matcha"]{--bg:#f6f9f1;--surface-2:#edf3e3;--primary:#4f6f42;--primary-2:#789464;--accent:#c6d8a9;--line:#dce7cf}
[data-theme="powder-pink"]{--bg:#fff7fa;--surface-2:#fdebf2;--primary:#a8456c;--primary-2:#c5678d;--accent:#efb8cf;--line:#f2d5e1}
[data-theme="lilac"]{--bg:#faf7ff;--surface-2:#f0eaff;--primary:#6b4aa0;--primary-2:#8d6cbd;--accent:#ccb8ee;--line:#e1d7f3}
[data-theme="onyx"]{--bg:#11151b;--surface:#1a2029;--surface-2:#232b36;--ink:#f5f7fb;--muted:#aeb8c7;--primary:#eef2f8;--primary-2:#b5c3d8;--accent:#5fd2ff;--line:#343f4d;--shadow:0 18px 45px rgba(0,0,0,.4)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:ui-rounded,"SF Pro Rounded","Noto Sans Thai",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;min-height:100vh}
button,input,select,textarea{font:inherit}button{cursor:pointer}a{color:inherit}.hidden{display:none!important}
.app-shell{min-height:100vh;padding-bottom:calc(92px + var(--safe-bottom))}.page{width:min(1180px,100%);margin:0 auto;padding:18px 16px 40px}.page.narrow{width:min(760px,100%)}
.topbar{position:sticky;top:0;z-index:30;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(18px);border-bottom:1px solid color-mix(in srgb,var(--line) 75%,transparent)}
.topbar-inner{width:min(1180px,100%);margin:auto;display:flex;align-items:center;justify-content:space-between;padding:12px 16px;gap:12px}.brand{display:flex;align-items:center;gap:11px;text-decoration:none}.brand-mark{width:46px;height:46px;border-radius:16px;display:grid;place-items:center;background:var(--primary);color:var(--surface);font-weight:900;box-shadow:0 10px 24px color-mix(in srgb,var(--primary) 25%,transparent)}.brand-text strong{display:block;font-size:16px}.brand-text span{display:block;color:var(--muted);font-size:12px}.top-actions{display:flex;gap:8px}.icon-btn{border:1px solid var(--line);background:var(--surface);color:var(--ink);width:44px;height:44px;border-radius:15px;display:grid;place-items:center;position:relative}.badge-dot{position:absolute;right:7px;top:6px;background:var(--danger);color:#fff;min-width:18px;height:18px;border-radius:99px;font-size:10px;display:grid;place-items:center;padding:0 4px}
.bottom-nav{position:fixed;z-index:35;left:50%;bottom:0;transform:translateX(-50%);width:min(760px,100%);padding:10px 12px var(--safe-bottom);background:color-mix(in srgb,var(--surface) 94%,transparent);backdrop-filter:blur(20px);border:1px solid var(--line);border-bottom:0;border-radius:26px 26px 0 0;display:grid;grid-template-columns:repeat(5,1fr);box-shadow:0 -12px 35px rgba(18,34,61,.1)}.nav-item{border:0;background:transparent;color:var(--muted);border-radius:15px;padding:8px 4px;display:grid;gap:4px;place-items:center;font-size:11px;text-decoration:none}.nav-item .nav-icon{font-size:21px;line-height:1}.nav-item.active{background:var(--surface-2);color:var(--primary);font-weight:800}
.hero{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;border-radius:32px;padding:28px;position:relative;overflow:hidden;box-shadow:var(--shadow)}.hero:after{content:"";position:absolute;width:240px;height:240px;border-radius:50%;right:-70px;top:-70px;background:rgba(255,255,255,.12)}.hero h1{margin:0 0 8px;font-size:clamp(25px,6vw,44px);max-width:700px}.hero p{margin:0 0 18px;opacity:.88;max-width:660px}.hero-actions{display:flex;flex-wrap:wrap;gap:10px}.hero .btn.secondary{background:#fff;color:var(--primary);border-color:#fff}.hero .btn.ghost{color:#fff;border-color:rgba(255,255,255,.45);background:rgba(255,255,255,.08)}
.search-box{margin-top:18px;display:flex;gap:10px;background:var(--surface);border:1px solid var(--line);padding:8px;border-radius:20px;box-shadow:0 12px 30px rgba(17,39,74,.08)}.search-box input{flex:1;border:0;background:transparent;outline:0;padding:9px 12px;color:var(--ink);min-width:0}.search-box button{white-space:nowrap}
.section{margin-top:28px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:12px;margin-bottom:14px}.section-head h2{margin:0;font-size:21px}.section-head p{margin:3px 0 0;color:var(--muted);font-size:13px}.link-btn{border:0;background:none;color:var(--primary-2);font-weight:800}
.grid{display:grid;gap:14px}.product-grid{grid-template-columns:repeat(auto-fill,minmax(170px,1fr))}.stat-grid{grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}.admin-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.two-col{grid-template-columns:minmax(0,1.2fr) minmax(300px,.8fr)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 8px 25px rgba(20,40,70,.06);overflow:hidden}.card-pad{padding:18px}.product-card{display:flex;flex-direction:column;min-height:100%}.cover{aspect-ratio:3/4;background:var(--surface-2);overflow:hidden;position:relative}.cover img{width:100%;height:100%;object-fit:cover;display:block}.cover-placeholder{height:100%;display:grid;place-items:center;color:var(--muted);padding:18px;text-align:center}.product-card .body{padding:14px;display:flex;flex-direction:column;gap:8px;flex:1}.product-card h3{margin:0;font-size:15px;line-height:1.45}.product-card p{margin:0;color:var(--muted);font-size:12px;line-height:1.5}.price{margin-top:auto;display:flex;align-items:baseline;gap:8px}.price strong{color:var(--primary);font-size:18px}.price del{color:var(--muted);font-size:12px}.pill{display:inline-flex;align-items:center;justify-content:center;gap:5px;padding:6px 10px;border-radius:999px;background:var(--surface-2);font-size:11px;font-weight:800;color:var(--primary)}.pill.success{background:#e6f6ec;color:var(--success)}.pill.warning{background:#fff4df;color:var(--warning)}.pill.danger{background:#ffe7ec;color:var(--danger)}.pill.muted{color:var(--muted)}
.btn{border:1px solid transparent;border-radius:16px;padding:11px 16px;font-weight:800;transition:.2s;display:inline-flex;align-items:center;justify-content:center;gap:8px;text-decoration:none}.btn:hover{transform:translateY(-1px)}.btn.primary{background:var(--primary);color:var(--surface);box-shadow:0 10px 22px color-mix(in srgb,var(--primary) 22%,transparent)}.btn.secondary{background:var(--surface);color:var(--primary);border-color:var(--line)}.btn.ghost{background:transparent;border-color:var(--line);color:var(--ink)}.btn.danger{background:var(--danger);color:#fff}.btn.success{background:var(--success);color:#fff}.btn.small{padding:8px 11px;border-radius:12px;font-size:12px}.btn.block{width:100%}.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none}
.form-card{background:var(--surface);border:1px solid var(--line);border-radius:28px;padding:20px;box-shadow:var(--shadow)}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.field{display:grid;gap:7px}.field.full{grid-column:1/-1}.field label{font-size:13px;font-weight:800;color:var(--muted)}.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:16px;padding:12px 14px;outline:0}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--accent);box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 24%,transparent)}.field textarea{min-height:110px;resize:vertical}.field .hint{font-size:11px;color:var(--muted)}.field.error input,.field.error select,.field.error textarea{border-color:var(--danger)}.error-text{color:var(--danger);font-size:12px}.check-row{display:flex;align-items:center;gap:9px;min-height:44px}.check-row input{width:20px;height:20px}.form-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end;margin-top:18px}.fieldset{border:1px solid var(--line);border-radius:22px;padding:16px;margin:16px 0}.fieldset legend{padding:0 8px;font-weight:900;color:var(--primary)}
.tabs{display:flex;gap:8px;overflow:auto;padding-bottom:6px;margin-bottom:18px}.tab{white-space:nowrap;border:1px solid var(--line);background:var(--surface);color:var(--muted);border-radius:999px;padding:9px 14px;font-weight:800}.tab.active{background:var(--primary);color:var(--surface);border-color:var(--primary)}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:22px;background:var(--surface)}table{border-collapse:collapse;width:100%;min-width:720px}th,td{padding:13px 14px;border-bottom:1px solid var(--line);text-align:left;font-size:13px;vertical-align:top}th{background:var(--surface-2);color:var(--muted);font-size:12px;position:sticky;top:0}tr:last-child td{border-bottom:0}.row-actions{display:flex;gap:6px;flex-wrap:wrap}
.stat{padding:18px}.stat .value{font-size:28px;font-weight:900;color:var(--primary)}.stat .label{color:var(--muted);font-size:12px;margin-top:4px}.empty{padding:42px 18px;text-align:center;color:var(--muted)}.empty .emoji{font-size:42px;display:block;margin-bottom:10px}
.detail-cover{border-radius:28px;overflow:hidden;background:var(--surface-2);aspect-ratio:3/4}.detail-cover img{width:100%;height:100%;object-fit:cover}.detail-meta h1{margin:0 0 8px;font-size:clamp(24px,5vw,40px)}.detail-meta .subtitle{color:var(--muted);margin:0 0 16px}.detail-info{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin:18px 0}.info-box{background:var(--surface-2);border-radius:18px;padding:12px}.info-box b{display:block;font-size:11px;color:var(--muted);margin-bottom:4px}.content-block{white-space:pre-wrap;line-height:1.8}.sticky-buy{position:sticky;bottom:calc(84px + var(--safe-bottom));background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:13px;box-shadow:var(--shadow);display:flex;align-items:center;gap:12px;z-index:15}.sticky-buy .grow{flex:1}
.order-card{padding:16px;display:grid;gap:10px}.order-top{display:flex;justify-content:space-between;gap:10px;align-items:start}.timeline{display:grid;gap:12px}.timeline-item{display:grid;grid-template-columns:16px 1fr;gap:10px}.timeline-dot{width:12px;height:12px;border-radius:50%;background:var(--line);margin-top:5px}.timeline-item.done .timeline-dot{background:var(--success)}
.modal-backdrop{position:fixed;z-index:80;inset:0;background:rgba(5,12,25,.55);backdrop-filter:blur(5px);display:grid;align-items:end;justify-items:center;padding:18px}.modal{width:min(660px,100%);max-height:92vh;overflow:auto;background:var(--surface);border-radius:30px;padding:22px;box-shadow:0 30px 90px rgba(0,0,0,.3)}.modal-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:15px}.modal-head h2{margin:0}.modal-close{border:1px solid var(--line);width:42px;height:42px;border-radius:14px;background:var(--surface);color:var(--ink)}
.toast-root{position:fixed;z-index:100;right:16px;top:16px;display:grid;gap:8px;width:min(370px,calc(100% - 32px))}.toast{background:var(--surface);border:1px solid var(--line);border-left:5px solid var(--primary);border-radius:17px;padding:13px 15px;box-shadow:var(--shadow);animation:toast-in .2s ease}.toast.error{border-left-color:var(--danger)}.toast.success{border-left-color:var(--success)}@keyframes toast-in{from{transform:translateY(-8px);opacity:0}}
.setup-screen{min-height:100vh;display:grid;place-items:center;padding:22px}.setup-box{width:min(680px,100%)}.setup-steps{display:grid;gap:10px;margin:18px 0}.setup-step{display:flex;gap:12px;align-items:start;background:var(--surface-2);padding:13px;border-radius:17px}.setup-step .num{width:27px;height:27px;border-radius:50%;display:grid;place-items:center;background:var(--primary);color:var(--surface);font-weight:900;flex:0 0 auto}.binding-alert{border:1px solid #f2c36c;background:#fff7e7;color:#694300;border-radius:18px;padding:15px;margin-bottom:15px}.danger-box{border:1px solid #ef9dac;background:#fff0f3;color:#741329;border-radius:18px;padding:15px}.success-box{border:1px solid #9ed5b7;background:#edf9f1;color:#145d38;border-radius:18px;padding:15px}
.file-upload{border:2px dashed var(--line);border-radius:18px;padding:16px;text-align:center;background:var(--surface-2)}.file-preview{display:flex;align-items:center;gap:10px;margin-top:8px;font-size:12px;color:var(--muted)}.progress{height:8px;border-radius:99px;background:var(--line);overflow:hidden}.progress>span{display:block;height:100%;background:var(--primary);width:0}
.reader-wrap{position:fixed;z-index:70;inset:0;background:#202631;display:grid;grid-template-rows:auto 1fr}.reader-bar{display:flex;align-items:center;gap:10px;padding:10px 12px;background:#11161e;color:#fff}.reader-bar .grow{flex:1}.reader-frame{width:100%;height:100%;border:0;background:#fff}.watermark-layer{pointer-events:none;position:absolute;inset:58px 0 0;overflow:hidden;opacity:.15;color:#5d1d2f;font-weight:900;font-size:14px;display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:120px;transform:rotate(-20deg) scale(1.2);transform-origin:center}.watermark-layer span{display:grid;place-items:center;white-space:nowrap}
.receipt{background:#fff;color:#111;padding:28px;width:min(794px,100%);margin:auto}.receipt h1{margin:0}.receipt table{min-width:0}.print-only{display:none}
@media(max-width:820px){.two-col{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.page{padding-left:13px;padding-right:13px}.hero{padding:22px;border-radius:27px}.brand-text span{display:none}.product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.sticky-buy{bottom:calc(86px + var(--safe-bottom))}}
@media(min-width:900px){.app-shell{padding-bottom:40px}.bottom-nav{left:18px;top:100px;bottom:auto;transform:none;width:220px;display:flex;flex-direction:column;border-radius:24px;border:1px solid var(--line);padding:12px}.bottom-nav+.page,.topbar~.page{ }.page.with-side{padding-left:250px;max-width:1380px}.nav-item{grid-template-columns:30px 1fr;justify-items:start;text-align:left;padding:11px 13px}.nav-item .nav-icon{font-size:18px}.modal-backdrop{align-items:center}}
@media print{body{background:#fff}.topbar,.bottom-nav,.no-print,.toast-root{display:none!important}.app-shell{padding:0}.page{width:100%;padding:0}.receipt{display:block;width:100%;box-shadow:none}.print-only{display:block}}