/* ===== ธีม =====================================================================
   ค่าเริ่มต้น = โทนสว่าง กดปรับเป็นมืดได้ (มติบอส 6 ก.ย. 2569)
   ค่าสว่างยกมาจาก app/globals.css ของ aiwork ตรง ๆ — accent ชุดนั้นถูกปรับให้อ่านออก
   บนพื้นขาวแล้ว (lime สว่างเดิมจมหายไปกับพื้นขาว) สินค้ากับเว็บจึงเป็นแบรนด์เดียวกัน
   ธีมจำไว้ใน localStorage และถูก set ตั้งแต่ <head> ก่อนวาดจอ ไม่งั้นจอจะกะพริบขาวก่อนเป็นมืด
   ============================================================================== */
:root{--bg:#F6F6F2;--panel:#FFFFFF;--panel2:#F0F0EA;--line:rgba(12,12,24,.13);--text:#17171C;--muted:#52525E;--lime:#5E9C00;--purple:#6141EA;--mint:#0C9C8C;--red:#C2323F;--amber:#9A7B00;--on-accent:#FFFFFF;--topbar:rgba(255,255,255,.86);--toast:#FFFFFF;--toast-line:rgba(12,12,24,.16);--tint:8%;--wash-1:rgba(56,132,255,.16);--wash-2:rgba(124,92,255,.11);--wash-3:rgba(53,214,198,.09);--grid-line:rgba(16,22,44,.055);--radius:18px;--shadow:0 16px 48px rgba(12,12,24,.10)}
/* โหมดมืด — ค่าพื้นหลังตกแต่ง "แรงกว่า" ฝั่งสว่างโดยตั้งใจ
   บอสติหน้าสตูดิโอไว้ว่า "กดปรับมืดแล้วพื้นหลังเรียบดำแทบหมดเลย" ถ้าใช้ค่าเดียวกันทั้งสองฝั่ง
   ลายตารางกับไล่สีจะจมหายไปกับพื้นดำ กลายเป็นจอดำเปล่า ๆ */
:root[data-theme="dark"]{--bg:#0a0a0f;--panel:#13131a;--panel2:#1b1b24;--line:#2b2b37;--text:#f5f5f2;--muted:#9b9baa;--lime:#c7ff3d;--purple:#9d72ff;--mint:#72ffd1;--red:#ff6b78;--amber:#ffc65c;--on-accent:#111111;--topbar:rgba(10,10,15,.95);--toast:#262632;--toast-line:#3b3b49;--tint:14%;--wash-1:rgba(80,150,255,.30);--wash-2:rgba(139,123,255,.24);--wash-3:rgba(53,214,198,.14);--grid-line:rgba(150,180,255,.075);--shadow:0 16px 48px rgba(0,0,0,.32)}
/* พื้นหลัง: ลายตาราง + ไล่สี 3 จุด — ชั้นนี้ fixed อยู่หลังทุกอย่าง
   ไม่ใช้ background-attachment:fixed เพราะ iOS กระตุกตอนสกรอลล์ */
body::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;background-color:var(--bg);background-image:radial-gradient(62% 44% at 10% -8%,var(--wash-1),transparent 68%),radial-gradient(48% 40% at 92% 2%,var(--wash-2),transparent 70%),radial-gradient(64% 46% at 72% 98%,var(--wash-3),transparent 72%),linear-gradient(var(--grid-line) 1px,transparent 1px),linear-gradient(90deg,var(--grid-line) 1px,transparent 1px);background-size:auto,auto,auto,46px 46px,46px 46px}
/* แผงต่าง ๆ โปร่งเล็กน้อยให้พื้นหลังเห็นผ่าน ไม่งั้นลายตารางจะถูกบังจนไม่รู้ว่ามี */
.card,.section,.stat,.ai-card,.col{backdrop-filter:blur(4px)}
.theme-toggle{border:1px solid var(--line);background:var(--panel);color:var(--text);border-radius:11px;padding:8px 12px;font-size:13px;line-height:1;display:inline-flex;align-items:center;gap:7px}
.theme-toggle:hover{border-color:var(--purple)}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:Tahoma,"Noto Sans Thai",system-ui,sans-serif;background:transparent;color:var(--text)}button,input,select,textarea{font:inherit}button{cursor:pointer}.hidden{display:none!important}
.warning{position:sticky;top:0;z-index:50;padding:11px 18px;background:#7b291f;color:#fff;text-align:center;font-size:14px}.topbar{height:74px;display:flex;align-items:center;justify-content:space-between;padding:0 24px;border-bottom:1px solid var(--line);background:var(--topbar);backdrop-filter:blur(8px);position:sticky;top:0;z-index:30}.brand{display:flex;gap:12px;align-items:center}.brand-mark{width:42px;height:42px;display:grid;place-items:center;border-radius:13px;background:var(--lime);color:var(--on-accent);font-weight:900}.brand strong,.brand small{display:block}.brand small{font-size:12px;color:var(--muted);margin-top:4px}.top-actions{display:flex;gap:14px;align-items:center}.clock{font-variant-numeric:tabular-nums;color:var(--muted);font-size:13px}.shell{display:grid;grid-template-columns:96px minmax(0,1fr);min-height:calc(100vh - 74px)}.sidebar{border-right:1px solid var(--line);padding:16px 10px;display:flex;flex-direction:column;gap:8px;position:sticky;top:74px;height:calc(100vh - 74px)}.nav{border:0;background:transparent;color:var(--muted);padding:12px 6px;border-radius:14px;display:flex;flex-direction:column;gap:5px;align-items:center;font-size:12px}.nav span{font-size:20px}.nav:hover,.nav.active{background:var(--panel2);color:var(--text)}.nav.active span{color:var(--lime)}.main{padding:22px;min-width:0}
.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:20px}.page-head h1{font-size:27px;margin:0}.page-head p{color:var(--muted);margin:5px 0 0;font-size:14px}.actions{display:flex;gap:10px;flex-wrap:wrap}.button{border:1px solid transparent;border-radius:12px;padding:10px 15px;background:var(--lime);color:var(--on-accent);font-weight:700}.button:hover{filter:brightness(1.04)}.button:disabled{opacity:.4;cursor:not-allowed}.button.secondary{background:var(--purple);color:white}.button.ghost{background:transparent;color:var(--text);border-color:var(--line)}.button.danger{background:color-mix(in srgb,var(--red) var(--tint),transparent);color:var(--red);border-color:color-mix(in srgb,var(--red) 35%,transparent)}.button.small{padding:7px 10px;font-size:12px}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.sell-layout{display:grid;grid-template-columns:minmax(0,1fr) 390px;gap:20px}.sell-catalog{min-width:0}.category-row{display:flex;gap:8px;overflow:auto;padding-bottom:12px}.chip{white-space:nowrap;border:1px solid var(--line);color:var(--muted);background:var(--panel);border-radius:999px;padding:8px 13px}.chip.active{color:var(--on-accent);background:var(--lime);border-color:var(--lime)}.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}.product{min-height:130px;text-align:left;padding:15px;background:var(--panel);color:var(--text);border:1px solid var(--line);border-radius:16px;display:flex;flex-direction:column;justify-content:space-between}.product:hover{border-color:var(--lime);transform:translateY(-1px)}.product .emoji{font-size:27px}.product strong{display:block;margin:10px 0 3px}.product small{color:var(--muted)}.product .price{color:var(--lime);font-weight:800}.cart{padding:18px;position:sticky;top:96px;height:calc(100vh - 118px);display:flex;flex-direction:column}.cart-head{display:flex;justify-content:space-between;align-items:center}.cart-head h2{margin:0;font-size:19px}.cart-meta{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:14px 0}.cart-items{overflow:auto;flex:1;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.cart-empty{height:100%;display:grid;place-items:center;text-align:center;color:var(--muted);padding:30px}.cart-line{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;padding:13px 0;border-bottom:1px solid var(--line)}.cart-line:last-child{border:0}.cart-line small{color:var(--muted)}.qty{display:flex;gap:8px;align-items:center}.qty button{width:27px;height:27px;border-radius:9px;border:1px solid var(--line);background:var(--panel2);color:var(--text)}.totals{padding-top:14px}.total-row{display:flex;justify-content:space-between;color:var(--muted);padding:4px 0}.total-row.grand{font-size:21px;color:var(--text);font-weight:900;padding:11px 0}.checkout{width:100%;padding:13px}.shift-nudge{font-size:12px;color:var(--amber);text-align:center;margin-top:8px}
.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:18px}.stat{padding:20px}.stat small{color:var(--muted)}.stat strong{display:block;font-size:28px;margin-top:8px}.stat strong.lime{color:var(--lime)}.split{display:grid;grid-template-columns:1fr 1fr;gap:18px}.section{padding:20px}.section h2{margin:0 0 16px;font-size:18px}.bar-row{display:grid;grid-template-columns:minmax(90px,1fr) 3fr auto;gap:10px;align-items:center;margin:12px 0}.bar{height:9px;background:var(--panel2);border-radius:99px;overflow:hidden}.bar i{display:block;height:100%;background:var(--purple);border-radius:99px}.muted{color:var(--muted)}.empty{padding:45px 20px;text-align:center;color:var(--muted)}
.table-wrap{overflow:auto}.data-table{width:100%;border-collapse:collapse}.data-table th,.data-table td{text-align:left;padding:13px 12px;border-bottom:1px solid var(--line);white-space:nowrap}.data-table th{color:var(--muted);font-size:12px}.data-table td{font-size:14px}.badge{display:inline-flex;border-radius:99px;padding:5px 9px;font-size:11px;background:color-mix(in srgb,var(--mint) var(--tint),transparent);color:var(--mint)}.badge.void{background:color-mix(in srgb,var(--red) var(--tint),transparent);color:var(--red)}.badge.open{background:color-mix(in srgb,var(--amber) var(--tint),transparent);color:var(--amber)}.search{min-width:240px}.field{display:flex;flex-direction:column;gap:7px}.field label{font-size:12px;color:var(--muted)}.input,.select,.textarea{width:100%;border:1px solid var(--line);border-radius:11px;background:var(--panel2);color:var(--text);padding:10px 12px;outline:none}.input:focus,.select:focus,.textarea:focus{border-color:var(--purple)}.textarea{min-height:80px;resize:vertical}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px}.form-grid .full{grid-column:1/-1}.setting-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.callout{padding:15px;border-radius:14px;background:color-mix(in srgb,var(--amber) var(--tint),transparent);border:1px solid color-mix(in srgb,var(--amber) 35%,transparent);color:var(--amber);font-size:13px;line-height:1.65}.callout.danger{background:color-mix(in srgb,var(--red) var(--tint),transparent);border-color:color-mix(in srgb,var(--red) 35%,transparent);color:var(--red)}.callout.good{background:color-mix(in srgb,var(--mint) var(--tint),transparent);border-color:color-mix(in srgb,var(--mint) 35%,transparent);color:var(--mint)}.menu-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:12px}.menu-item{padding:16px;display:grid;grid-template-columns:46px 1fr auto;gap:12px;align-items:center}.menu-icon{width:46px;height:46px;border-radius:13px;background:var(--panel2);display:grid;place-items:center;font-size:24px}.menu-item small{color:var(--muted)}
.modal-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.72);z-index:100;display:grid;place-items:center;padding:18px}.modal{width:min(580px,100%);max-height:92vh;overflow:auto;background:var(--panel);border:1px solid var(--line);border-radius:22px;box-shadow:0 30px 90px rgba(0,0,0,.65)}.modal.wide{width:min(800px,100%)}.modal-head,.modal-foot{padding:18px 20px;display:flex;align-items:center;justify-content:space-between;gap:12px}.modal-head{border-bottom:1px solid var(--line)}.modal-head h2{margin:0;font-size:19px}.modal-body{padding:20px}.modal-foot{border-top:1px solid var(--line);justify-content:flex-end}.close{width:34px;height:34px;border-radius:10px;border:1px solid var(--line);color:var(--text);background:transparent}.payment-methods{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}.payment-methods label{border:1px solid var(--line);border-radius:13px;padding:12px;text-align:center}.payment-methods label:has(input:checked){border-color:var(--lime);background:color-mix(in srgb,var(--lime) var(--tint),transparent)}.payment-methods input{display:none}.receipt{max-width:360px;margin:auto;background:#fff;color:#111;padding:24px;font-family:monospace}.receipt h2,.receipt p{text-align:center;margin:4px 0}.receipt hr{border:0;border-top:1px dashed #555;margin:13px 0}.receipt-row{display:flex;justify-content:space-between;gap:12px;margin:5px 0}.receipt .big{font-size:20px;font-weight:800}.toast-root{position:fixed;right:18px;bottom:18px;z-index:200;display:flex;flex-direction:column;gap:9px}.toast{background:var(--toast);border:1px solid var(--toast-line);border-radius:12px;padding:11px 15px;box-shadow:var(--shadow);animation:slide .18s ease}.toast.error{border-color:var(--red)}@keyframes slide{from{transform:translateY(8px);opacity:0}}
.ai-status{display:flex;align-items:center;gap:9px;padding:11px 14px;border:1px solid var(--line);border-radius:13px;background:var(--panel)}.ai-dot{width:9px;height:9px;border-radius:50%;background:var(--amber);box-shadow:0 0 0 5px rgba(255,198,92,.1)}.ai-dot.ready{background:var(--mint);box-shadow:0 0 0 5px rgba(114,255,209,.1)}.ai-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.ai-card{padding:18px;display:flex;flex-direction:column;gap:13px}.ai-card h2{margin:0;font-size:18px}.ai-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.6}.ai-card .button{margin-top:auto}.credit-tag{display:inline-flex;align-self:flex-start;border-radius:99px;padding:5px 9px;background:color-mix(in srgb,var(--purple) var(--tint),transparent);color:var(--purple);font-size:11px}.ai-result{margin-top:18px;padding:20px;border:1px solid color-mix(in srgb,var(--lime) 35%,transparent);background:color-mix(in srgb,var(--lime) 7%,transparent);border-radius:18px;line-height:1.7}.ai-result h2,.ai-result h3{margin-top:0}.ai-result ul{padding-left:22px}.ai-result pre{white-space:pre-wrap;font-family:inherit;color:var(--text)}
@media(max-width:980px){.sell-layout{grid-template-columns:1fr}.cart{position:static;height:auto;min-height:420px}.stat-grid{grid-template-columns:1fr}.split,.setting-grid,.ai-grid{grid-template-columns:1fr}}
@media(max-width:680px){.topbar{padding:0 12px}.clock,.top-actions .ghost{display:none}.shell{grid-template-columns:1fr}.sidebar{position:fixed;z-index:60;bottom:0;top:auto;left:0;right:0;height:67px;border:0;border-top:1px solid var(--line);background:var(--bg);padding:7px;flex-direction:row;justify-content:flex-start;overflow-x:auto}.nav{flex:0 0 58px;padding:5px 2px}.nav span{font-size:17px}.main{padding:14px 12px 82px}.page-head{align-items:flex-start;flex-direction:column}.product-grid{grid-template-columns:repeat(2,1fr)}.product{min-height:118px}.form-grid{grid-template-columns:1fr}.form-grid .full{grid-column:auto}.cart-meta{grid-template-columns:1fr}.search{min-width:0;width:100%}}
@media print{body>*{display:none!important}#modalRoot{display:block!important}.modal-backdrop{position:static;background:#fff;padding:0}.modal{box-shadow:none;border:0;max-height:none}.modal-head,.modal-foot{display:none}.modal-body{padding:0}.receipt{display:block}.receipt *{display:revert!important}}
