/* =========================================================
   styles.css — ໂທນສີ ແລະ ຮູບແບບລວມ (ມືອາຊີບ, ສະອາດຕາ)
   ➤ ຢາກປ່ຽນສີ/ໜ້າຕາ ແກ້ບ່ອນນີ້ບ່ອນດຽວ
   ========================================================= */
:root{
  --bg:#f5f4f1;          /* ພື້ນຫຼັງ */
  --card:#ffffff;        /* ກ່ອງ/ກາດ */
  --ink:#1b1b1f;         /* ໂຕໜັງສືຫຼັກ */
  --muted:#80808c;       /* ໂຕໜັງສືຈາງ */
  --line:#e9e7e2;        /* ເສັ້ນຂອບ */
  --accent:#d64518;      /* ສີຫຼັກ (ສີດິນເຜົາ) */
  --accent-soft:#fbece5; /* ສີຫຼັກແບບອ່ອນ */
  --ok:#1f9d57;
  --shadow:0 4px 18px rgba(20,20,40,.06);
  --r:14px;
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent;}
body{font-family:'Noto Sans Lao',sans-serif;background:#d9d8d3;color:var(--ink);display:flex;justify-content:center;line-height:1.5;}
.num{font-family:'Sora',sans-serif;}
button{font-family:inherit;cursor:pointer;}
img{display:block;}

.phone{
  width:100%;max-width:440px;min-height:100vh;background:var(--bg);
  position:relative;overflow:hidden;box-shadow:0 0 60px rgba(0,0,0,.16);
  padding-bottom:72px;
}

/* ===== ROUTER — ການສະຫຼັບໜ້າ ===== */
.view{display:none;}
.view.active{display:block;animation:fade .25s ease;}
@keyframes fade{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:none;}}

/* ===== HEADER ===== */
.appbar{position:sticky;top:0;z-index:40;background:var(--card);border-bottom:1px solid var(--line);padding:14px 16px;}
.appbar-flex{display:flex;align-items:center;gap:12px;}
.brand{font-family:'Sora';font-weight:800;font-size:20px;letter-spacing:-.5px;display:flex;align-items:center;gap:7px;}
.brand .dot{width:9px;height:9px;border-radius:50%;background:var(--accent);}
.appbar .actions{margin-left:auto;display:flex;gap:6px;}
.iconbtn{width:40px;height:40px;border-radius:11px;border:none;background:transparent;display:grid;place-items:center;color:var(--ink);position:relative;}
.iconbtn:active{background:var(--line);}
.searchbar{display:flex;align-items:center;gap:10px;background:var(--bg);border:1px solid var(--line);border-radius:11px;padding:11px 14px;margin-top:12px;}
.searchbar input{border:none;outline:none;background:transparent;flex:1;font-family:inherit;font-size:14.5px;color:var(--ink);}

/* ===== ໝວດໝູ່ ===== */
.cat-strip{display:flex;gap:8px;overflow-x:auto;padding:14px 16px 4px;}
.cat-strip::-webkit-scrollbar{display:none;}
.chip{flex:0 0 auto;display:flex;align-items:center;gap:7px;padding:9px 15px;background:var(--card);border:1px solid var(--line);border-radius:999px;font-size:13px;color:#55555f;white-space:nowrap;transition:.15s;}
.chip svg{width:16px;height:16px;}
.chip.active{background:var(--ink);color:#fff;border-color:var(--ink);}
.chip.active svg{stroke:#fff;}

/* ===== Banner ===== */
.hero{margin:14px 16px;border-radius:var(--r);overflow:hidden;position:relative;background:var(--ink);color:#fff;padding:26px 22px;}
.hero h2{font-size:22px;font-weight:700;margin-bottom:6px;}
.hero p{font-size:13px;opacity:.8;max-width:75%;}
.hero .badge-sale{position:absolute;top:18px;right:18px;background:var(--accent);font-family:'Sora';font-weight:700;font-size:13px;padding:5px 12px;border-radius:8px;}

/* ===== ກະແສສິນຄ້າ ===== */
.row-title{display:flex;align-items:center;padding:18px 16px 10px;}
.row-title h3{font-size:16px;font-weight:700;}
.row-title span{margin-left:auto;font-size:12.5px;color:var(--muted);}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:0 16px;}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:.12s;}
.card:active{transform:scale(.98);}
.card .thumb{aspect-ratio:1;background:#efedea;overflow:hidden;position:relative;}
.card .thumb img{width:100%;height:100%;object-fit:cover;}
.card .tag{position:absolute;top:8px;left:8px;background:#fff;color:var(--accent);font-size:10px;font-weight:600;padding:3px 8px;border-radius:6px;border:1px solid var(--line);}
.card .body{padding:10px 11px 12px;}
.card .nm{font-size:13px;height:38px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;color:#33333a;}
.card .pr{display:flex;align-items:baseline;gap:6px;margin-top:8px;}
.card .pr b{font-family:'Sora';font-weight:700;font-size:16px;color:var(--ink);}
.card .pr del{font-size:11px;color:var(--muted);}
.card .sub{display:flex;align-items:center;justify-content:space-between;margin-top:7px;}
.card .sub small{font-size:11px;color:var(--muted);}
.empty{text-align:center;color:var(--muted);padding:50px 20px;font-size:14px;grid-column:1/-1;}

/* ===== ໜ້າລາຍລະອຽດສິນຄ້າ ===== */
.detail-bar{position:sticky;top:0;z-index:40;display:flex;align-items:center;gap:8px;padding:12px 16px;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);}
.detail-bar b{font-size:15px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.gallery{aspect-ratio:1;background:#efedea;position:relative;overflow:hidden;}
.gallery img{width:100%;height:100%;object-fit:cover;}
.gallery .thumbs{position:absolute;bottom:12px;left:0;right:0;display:flex;gap:8px;justify-content:center;}
.gallery .thumbs i{width:7px;height:7px;border-radius:99px;background:rgba(255,255,255,.6);}
.gallery .thumbs i.on{width:20px;background:#fff;}
.d-block{background:var(--card);padding:18px 16px;margin-bottom:10px;}
.d-price{display:flex;align-items:baseline;gap:10px;}
.d-price b{font-family:'Sora';font-weight:800;font-size:28px;color:var(--accent);}
.d-price del{color:var(--muted);font-size:15px;}
.d-price .off{background:var(--accent-soft);color:var(--accent);font-size:12px;font-weight:600;padding:3px 8px;border-radius:6px;}
.d-name{font-size:17px;font-weight:600;margin-top:10px;line-height:1.4;}
.d-meta{display:flex;gap:16px;margin-top:10px;font-size:13px;color:var(--muted);}
.d-meta b{color:var(--ink);}
.opt-title{font-size:13px;font-weight:600;margin:4px 0 10px;}
.opt-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:4px;}
.opt{padding:8px 16px;border:1px solid var(--line);border-radius:9px;font-size:13px;background:var(--bg);transition:.12s;}
.opt.on{border-color:var(--accent);color:var(--accent);background:var(--accent-soft);}
.sec-h{font-size:15px;font-weight:700;margin-bottom:10px;display:flex;align-items:center;gap:8px;}
.sec-h::before{content:"";width:3px;height:15px;background:var(--accent);border-radius:2px;}
.d-text{font-size:14px;color:#44444c;white-space:pre-line;}
.detail-foot{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:100%;max-width:440px;background:#fff;border-top:1px solid var(--line);display:flex;gap:10px;padding:12px 16px calc(12px + env(safe-area-inset-bottom));z-index:50;}
.btn{flex:1;border:none;border-radius:12px;padding:14px;font-size:15px;font-weight:700;}
.btn-line{flex:0 0 52px;background:var(--bg);border:1px solid var(--line);}
.btn-soft{background:var(--accent-soft);color:var(--accent);}
.btn-fill{background:var(--accent);color:#fff;}

/* ===== ໜ້າຫລັງບ້ານ ===== */
.admin-head{padding:18px 16px;background:var(--card);border-bottom:1px solid var(--line);}
.admin-head h2{font-size:19px;font-weight:700;}
.admin-head p{font-size:13px;color:var(--muted);margin-top:3px;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;}
.field label span{color:var(--muted);font-weight:400;}
.field input,.field textarea,.field select{width:100%;border:1px solid var(--line);border-radius:10px;padding:12px 13px;font-family:inherit;font-size:14px;background:var(--card);color:var(--ink);outline:none;}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--accent);}
.field textarea{resize:vertical;min-height:70px;}
.field-2{display:grid;grid-template-columns:1fr 1fr;gap:12px;}

/* ອັບໂຫຼດຮູບ */
.upload-btn{display:inline-flex;align-items:center;gap:8px;padding:11px 18px;border:1.5px dashed var(--accent);background:var(--accent-soft);color:var(--accent);border-radius:11px;font-weight:600;font-size:14px;}
.upload-btn svg{width:18px;height:18px;}
.img-previews{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:10px;}
.img-previews:empty{margin-bottom:0;}
.img-prev{position:relative;width:72px;height:72px;border-radius:10px;overflow:hidden;border:1px solid var(--line);}
.img-prev img{width:100%;height:100%;object-fit:cover;}
.img-prev .rm{position:absolute;top:3px;right:3px;width:20px;height:20px;border-radius:50%;border:none;background:rgba(0,0,0,.6);color:#fff;font-size:13px;display:grid;place-items:center;line-height:1;}

.admin-list{padding:8px 16px 16px;}
.admin-row{display:flex;gap:12px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:10px;margin-bottom:10px;}
.admin-row img{width:54px;height:54px;border-radius:9px;object-fit:cover;background:#eee;}
.admin-row .ar-info{flex:1;min-width:0;}
.admin-row .ar-info b{font-size:13.5px;display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.admin-row .ar-info small{font-size:12px;color:var(--muted);}
.admin-row .ar-info .arp{font-family:'Sora';font-weight:700;color:var(--accent);font-size:14px;}
.mini{width:34px;height:34px;border-radius:8px;border:1px solid var(--line);background:var(--bg);display:grid;place-items:center;color:var(--ink);}
.mini svg{width:17px;height:17px;}

/* ===== Bottom Nav ===== */
.bottomnav{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:100%;max-width:440px;background:var(--card);display:flex;border-top:1px solid var(--line);padding:7px 0 calc(7px + env(safe-area-inset-bottom));z-index:45;}
.nav{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;font-size:11px;color:var(--muted);background:none;border:none;position:relative;}
.nav svg{width:23px;height:23px;}
.nav.active{color:var(--accent);font-weight:600;}
.nav.active svg{stroke:var(--accent);}

/* badge */
.badge{position:absolute;top:-5px;right:-7px;background:var(--accent);color:#fff;font-family:'Sora';font-size:10px;font-weight:700;min-width:17px;height:17px;border-radius:99px;display:grid;place-items:center;padding:0 4px;}
.nav .badge{top:0;right:50%;margin-right:-22px;}

/* ===== ກະຕ່າ ===== */
.scrim{position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:80;opacity:0;pointer-events:none;transition:.25s;}
.scrim.show{opacity:1;pointer-events:auto;}
.sheet{position:fixed;bottom:0;left:50%;transform:translateX(-50%) translateY(100%);width:100%;max-width:440px;background:var(--card);z-index:90;border-radius:20px 20px 0 0;padding:18px 16px calc(18px + env(safe-area-inset-bottom));transition:transform .3s cubic-bezier(.2,.8,.2,1);max-height:82vh;overflow-y:auto;}
.sheet.show{transform:translateX(-50%) translateY(0);}
.sheet-h{display:flex;align-items:center;font-size:17px;font-weight:700;margin-bottom:8px;}
.sheet-h .x{margin-left:auto;width:34px;height:34px;border:none;background:var(--bg);border-radius:9px;font-size:18px;}
.cart-row{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);align-items:center;}
.cart-row img{width:58px;height:58px;border-radius:10px;object-fit:cover;}
.cart-row .ci{flex:1;font-size:13px;}
.cart-row .cp{font-family:'Sora';font-weight:700;color:var(--accent);margin-top:4px;}
.qty{display:flex;align-items:center;gap:8px;}
.qty button{width:28px;height:28px;border-radius:8px;border:1px solid var(--line);background:var(--bg);font-size:16px;}
.qty span{font-family:'Sora';font-weight:600;min-width:18px;text-align:center;}
.checkout{margin-top:16px;background:var(--accent);color:#fff;border:none;width:100%;padding:15px;border-radius:12px;font-weight:700;font-size:15px;display:flex;justify-content:space-between;align-items:center;}
.checkout:disabled{opacity:.45;}
.checkout svg{width:20px;height:20px;}

.toast{position:fixed;bottom:96px;left:50%;transform:translateX(-50%) translateY(16px);background:var(--ink);color:#fff;padding:11px 20px;border-radius:999px;font-size:13px;z-index:120;opacity:0;transition:.3s;pointer-events:none;}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0);}