/* BUILD: assets/css/shop.css — Event Commerce (dark premium) */
:root{
  --navy:#eef1f8; --navy2:#cdd3e4; --coral:#ff3b5c; --coral-d:#e02748; --violet:#8b5cff;
  --ink:#eef1f8; --muted:#919bb4; --line:rgba(255,255,255,.09); --line-2:rgba(255,255,255,.14);
  --surface:rgba(255,255,255,.045); --surface-2:rgba(255,255,255,.075);
  --ok:#34d399; --gold:#ffd166;
  --grad:linear-gradient(115deg,#ff3b5c,#ff6b8a 45%,#8b5cff);
  --glow:0 12px 40px rgba(255,59,92,.32);
}
.wrap{max-width:1080px;margin:20px auto;padding:0 14px}
.page-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:6px 0 18px;flex-wrap:wrap}
.page-head h1{font-size:25px;color:#fff;margin:0;font-weight:800}
.page-head .sub{color:var(--muted);font-size:14px;margin-top:2px}

.ctabs{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;margin-bottom:20px}
.ctabs a{flex-shrink:0;padding:10px 18px;border-radius:30px;background:var(--surface);border:1px solid var(--line);
  color:var(--ink);text-decoration:none;font-weight:700;font-size:14px;white-space:nowrap;transition:.18s;backdrop-filter:blur(8px)}
.ctabs a.on,.ctabs a:hover{background:var(--grad);border-color:transparent;color:#fff;box-shadow:var(--glow)}

.pgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:18px}
.pcard{background:var(--surface);border:1px solid var(--line);border-radius:18px;overflow:hidden;
  transition:.22s;text-decoration:none;display:flex;flex-direction:column;backdrop-filter:blur(8px)}
.pcard:hover{transform:translateY(-5px);border-color:var(--coral);box-shadow:0 22px 50px rgba(255,59,92,.2)}
.pcard .pimg{aspect-ratio:1;background:#1a1d2e center/cover no-repeat;position:relative}
.pcard .ptag{position:absolute;top:10px;left:10px;background:var(--grad);color:#fff;font-size:11px;font-weight:800;padding:4px 11px;border-radius:20px;box-shadow:var(--glow)}
.pcard .ptag.pre{background:linear-gradient(120deg,#f59e0b,#fbbf24)}
.pcard .pbody{padding:14px 15px 16px;display:flex;flex-direction:column;flex:1}
.pcard .pname{font-size:15px;font-weight:700;color:#fff;line-height:1.35;margin-bottom:6px}
.pcard .pprice{margin-top:auto;display:flex;align-items:baseline;gap:7px}
.pcard .pprice b{font-size:19px;color:#fff;font-weight:800}
.pcard .pprice s{font-size:13px;color:var(--muted)}
.pcard .pstock{font-size:12px;color:var(--muted);margin-top:4px}
.pcard .soldout{color:#fca5a5;font-weight:700}

.pdetail{display:flex;gap:26px;flex-wrap:wrap;background:var(--surface);border:1px solid var(--line);
  border-radius:20px;padding:22px;backdrop-filter:blur(8px)}
.pdetail .pdimg{flex:1;min-width:280px;aspect-ratio:1;border-radius:14px;background:#1a1d2e center/cover no-repeat}
.pdetail .pdinfo{flex:1;min-width:280px}
.pdetail h1{font-size:25px;color:#fff;margin:0 0 8px}
.pdetail .pdprice{display:flex;align-items:baseline;gap:10px;margin:12px 0}
.pdetail .pdprice b{font-size:32px;color:var(--coral);font-weight:800}
.pdetail .pdprice s{font-size:17px;color:var(--muted)}
.pdetail .pddesc{color:var(--navy2);line-height:1.7;white-space:pre-line;margin:14px 0}
.qtybox{display:flex;align-items:center;border:1.5px solid var(--line-2);border-radius:12px;width:fit-content;overflow:hidden;margin:14px 0}
.qtybox button{width:42px;height:42px;border:none;background:var(--surface-2);font-size:20px;cursor:pointer;color:#fff}
.qtybox input{width:54px;height:42px;border:none;text-align:center;font-size:16px;font-family:inherit;background:transparent;color:#fff}
.btn-buy{display:inline-block;border:none;cursor:pointer;background:var(--grad);color:#fff;padding:14px 28px;border-radius:13px;
  font-family:inherit;font-size:16px;font-weight:800;box-shadow:var(--glow);transition:.18s;text-decoration:none}
.btn-buy:hover{transform:translateY(-2px);filter:brightness(1.07)}
.btn-out{background:var(--surface-2);border:1px solid var(--line-2);color:#fff;box-shadow:none}

.cart-item{display:flex;gap:14px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:13px;margin-bottom:12px;backdrop-filter:blur(8px)}
.cart-item .ci-img{width:74px;height:74px;border-radius:10px;background:#1a1d2e center/cover no-repeat;flex-shrink:0}
.cart-item .ci-name{font-weight:700;color:#fff}
.cart-item .ci-price{color:var(--muted);font-size:14px;margin-top:2px}
.cart-item .ci-right{margin-left:auto;text-align:right}
.cart-item .ci-amt{font-weight:800;color:var(--coral);font-size:16px}
.cart-rm{color:#fca5a5;font-size:13px;text-decoration:none;cursor:pointer}
.sumbox{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px;margin-top:8px;backdrop-filter:blur(8px)}
.sumrow{display:flex;justify-content:space-between;padding:6px 0;font-size:15px;color:var(--ink)}
.sumrow.total{border-top:1px solid var(--line);margin-top:8px;padding-top:12px;font-size:19px;font-weight:800;color:#fff}
.sumrow.total b{color:var(--coral)}

.cform{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:22px;backdrop-filter:blur(8px)}
.cfg{margin-bottom:14px}
.cfg label{display:block;font-size:13px;font-weight:700;color:var(--ink);margin-bottom:6px}
.cfg input,.cfg textarea{width:100%;padding:12px 14px;border:1.5px solid var(--line-2);border-radius:12px;
  font-family:inherit;font-size:15px;background:var(--surface-2);color:#fff;box-sizing:border-box;transition:.15s}
.cfg input::placeholder,.cfg textarea::placeholder{color:var(--muted)}
.cfg input:focus,.cfg textarea:focus{outline:none;border-color:var(--coral);box-shadow:0 0 0 4px rgba(255,59,92,.16)}
.crow{display:flex;gap:12px}
.crow .cfg{flex:1}

.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}
.plan{background:var(--surface);border:1.5px solid var(--line);border-radius:20px;padding:26px;position:relative;transition:.2s;backdrop-filter:blur(8px)}
.plan.featured{border-color:var(--coral);box-shadow:0 20px 50px rgba(255,59,92,.22)}
.plan .pl-badge{position:absolute;top:-12px;left:24px;background:var(--grad);color:#fff;font-size:12px;font-weight:800;padding:5px 14px;border-radius:20px;box-shadow:var(--glow)}
.plan h3{font-size:21px;color:#fff;margin:0 0 4px}
.plan .pl-price{font-size:36px;font-weight:800;color:var(--coral);margin:8px 0}
.plan .pl-price span{font-size:15px;color:var(--muted);font-weight:600}
.plan ul{list-style:none;padding:0;margin:16px 0;display:flex;flex-direction:column;gap:9px}
.plan ul li{font-size:14px;color:var(--navy2);padding-left:26px;position:relative}
.plan ul li:before{content:"✓";position:absolute;left:0;color:var(--ok);font-weight:800}
.vip-banner{background:linear-gradient(125deg,#1a1d35,#14162a);border:1px solid var(--line-2);color:#fff;border-radius:18px;padding:20px;margin-bottom:18px;display:flex;align-items:center;gap:16px}
.vip-banner .vb-ic{font-size:38px}
.vip-banner b{color:var(--gold)}

.deals{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}
.deal{background:var(--surface);border:1px solid var(--line);border-radius:16px;overflow:hidden;backdrop-filter:blur(8px)}
.deal .d-img{aspect-ratio:16/9;background:linear-gradient(135deg,#f59e0b,#ff3b5c) center/cover no-repeat;display:grid;place-items:center;font-size:40px}
.deal .d-body{padding:15px}
.deal .d-partner{font-size:12px;color:var(--muted)}
.deal .d-title{font-size:16px;font-weight:800;color:#fff;margin:3px 0}
.deal .d-value{color:var(--coral);font-weight:700;font-size:14px}
.deal .d-cost{display:flex;align-items:center;justify-content:space-between;margin-top:12px}
.deal .d-pts{background:rgba(245,158,11,.15);color:var(--gold);font-weight:800;padding:5px 12px;border-radius:20px;font-size:13px}

.flash-msg{padding:11px 15px;border-radius:12px;font-size:14px;margin-bottom:14px}
.flash-msg.ok{background:rgba(52,211,153,.12);color:#6ee7b7;border:1px solid rgba(52,211,153,.3)}
.flash-msg.err{background:rgba(239,68,68,.12);color:#fca5a5;border:1px solid rgba(239,68,68,.3)}
.empty{background:var(--surface);border:1px dashed var(--line-2);border-radius:15px;padding:40px;text-align:center;color:var(--muted)}
.empty a{color:var(--coral);font-weight:800;text-decoration:none}
@media(max-width:560px){.crow{flex-direction:column;gap:0}}

/* ✨ MOTION & POLISH (commerce) */
@keyframes gradShift{0%{background-position:0% 50%}50%{background-position:100% 50%}100%{background-position:0% 50%}}
@keyframes flowLine{0%{background-position:0% 0}100%{background-position:200% 0}}
@keyframes shimmerC{0%{transform:translateX(-120%)}60%,100%{transform:translateX(220%)}}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-5px)}}

.btn-buy{background:linear-gradient(115deg,#ff3b5c,#ff6b8a,#8b5cff,#ff3b5c)!important;
  background-size:240% 240%!important;animation:gradShift 6s ease infinite;position:relative;overflow:hidden}
.btn-buy::after{content:'';position:absolute;top:0;left:0;width:40%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.45),transparent);transform:translateX(-120%);pointer-events:none}
.btn-buy:hover::after{animation:shimmerC 1s ease}
.btn-buy:hover{animation-duration:2.2s;transform:translateY(-3px) scale(1.02)}
.btn-out{background:var(--surface-2)!important;animation:none}

/* แท็บ active: ไหลสี */
.ctabs a.on{background:linear-gradient(115deg,#ff3b5c,#ff6b8a,#8b5cff,#ff3b5c)!important;
  background-size:240% 240%!important;animation:gradShift 5s ease infinite}

/* การ์ดสินค้า: ring ไล่สีเรืองตอน hover */
.pcard{position:relative}
.pcard::before{content:'';position:absolute;inset:0;border-radius:inherit;padding:1.6px;z-index:3;
  background:linear-gradient(120deg,#ff3b5c,#8b5cff,#ff3b5c);background-size:200% 100%;
  -webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:.35s;animation:flowLine 3s linear infinite}
.pcard:hover::before{opacity:1}

/* แพ็กเกจแนะนำ: กรอบไล่สีดิ้นตลอด */
.plan.featured{position:relative;z-index:0}
.plan.featured::before{content:'';position:absolute;inset:0;border-radius:inherit;padding:2px;
  background:linear-gradient(120deg,#ff3b5c,#8b5cff,#ff3b5c);background-size:200% 100%;
  -webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;animation:flowLine 3s linear infinite}
.plan:hover{transform:translateY(-4px)}
.deal:hover{transform:translateY(-4px);transition:.25s}

/* 📱 MOBILE — commerce */
@media(max-width:768px){
  .wrap{margin:14px auto;padding:0 13px}
  .pdetail{padding:16px;gap:18px}
  .pdetail .pdimg{min-width:100%}
  .pdetail .pdinfo{min-width:100%}
}
@media(max-width:560px){
  .page-head h1{font-size:21px}
  .page-head{gap:8px}
  .pgrid{grid-template-columns:repeat(2,1fr);gap:12px}
  .pcard .pbody{padding:11px 12px 13px}
  .pcard .pname{font-size:14px}
  .pcard .pprice b{font-size:17px}
  .ctabs{gap:7px;margin-bottom:16px}
  .ctabs a{padding:8px 14px;font-size:13px}
  .plans{grid-template-columns:1fr;gap:14px}
  .plan{padding:22px}
  .plan .pl-price{font-size:30px}
  .deals{grid-template-columns:1fr}
  .cart-item{padding:11px;gap:11px}
  .cart-item .ci-img{width:62px;height:62px}
  .cform{padding:18px}
  .crow{flex-direction:column;gap:0}
  .pdetail h1{font-size:21px}
  .pdetail .pdprice b{font-size:27px}
  .btn-buy{padding:13px 22px;font-size:15px}
}
@media(max-width:380px){
  .pgrid{grid-template-columns:1fr}
}