/* =====================================================================
   BlueFireLab Shop — Theme
   โทนสีและสไตล์ให้ตรงกับ bluefirelab.com (dark, blue/cyan glow, Kanit)
   ===================================================================== */

:root{
  --bg:            #020817;
  --bg-soft:       #050c22;
  --surface:       rgba(255,255,255,.05);
  --surface-2:     rgba(255,255,255,.08);
  --card-grad:     linear-gradient(145deg, rgba(12,30,70,.96), rgba(7,18,42,.96));
  --card-grad-2:   linear-gradient(145deg, rgba(25,45,90,.95), rgba(10,20,40,.95));
  --border:        rgba(255,255,255,.10);
  --border-glow:   rgba(0,170,255,.28);

  --primary:       #0a4da3;
  --primary-600:   #0c5cbf;
  --accent:        #00c3ff;
  --accent-2:      #55d6ff;
  --accent-soft:   rgba(0,170,255,.16);

  --text:          #ffffff;
  --text-muted:    #9fc3e7;
  --text-soft:     #d7ebff;
  --text-dim:      #6c8db0;

  --success:       #1c9e2d;
  --danger:        #e5484d;
  --warn:          #ffb020;
  --fire:          #ff7a1a;   /* accent อบอุ่น สำหรับป้ายลดราคา/ไฟ */

  --radius:        16px;
  --radius-sm:     10px;
  --shadow:        0 10px 40px rgba(0,0,0,.45);
  --shadow-glow:   0 0 0 1px var(--border-glow), 0 12px 40px rgba(0,120,255,.15);
  --maxw:          1180px;
  --font:          'Kanit', system-ui, -apple-system, 'Segoe UI', sans-serif;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--font);
  color:var(--text);
  background:
    radial-gradient(circle at 100% 0%, rgba(0,140,255,.20), rgba(0,0,0,0) 26%),
    radial-gradient(circle at 0% 100%, rgba(0,170,255,.14), rgba(0,0,0,0) 30%),
    var(--bg);
  background-attachment:fixed;
  line-height:1.6;
  font-weight:300;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
}
img{ max-width:100%; display:block; }
a{ color:var(--accent-2); text-decoration:none; }
a:hover{ color:#fff; }

.container{ width:100%; max-width:var(--maxw); margin:0 auto; padding:0 20px; }
.section{ padding:56px 0; }
.mt-0{margin-top:0} .mb-0{margin-bottom:0}
.text-center{ text-align:center; }
.muted{ color:var(--text-muted); }

/* ---------- Typography ---------- */
h1,h2,h3,h4{ font-weight:600; line-height:1.25; margin:0 0 .5em; }
.h-gradient{
  background:linear-gradient(90deg,#ffffff,var(--accent-2));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.page-title{ font-size:clamp(1.7rem,4vw,2.6rem); }
.lead{ color:var(--text-soft); font-size:1.05rem; }

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky; top:0; z-index:50;
  background:rgba(2,8,23,.75);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.nav{ display:flex; align-items:center; gap:20px; height:66px; }
.brand{ display:flex; align-items:center; gap:10px; font-weight:600; font-size:1.25rem; color:#fff; }
.brand .logo{
  width:80px; height:80px; border-radius:9px;
  background:linear-gradient(145deg,var(--accent),var(--primary));
  display:grid; place-items:center; box-shadow:0 0 18px rgba(0,170,255,.5);
  font-size:18px;
}
.brand-logo{ height:80px; width:auto; display:block; flex-shrink:0; }
.brand b{ color:var(--accent-2); font-weight:600; }
.nav-links{ display:flex; gap:6px; margin-left:12px; }
.nav-links a{
  color:var(--text-muted); padding:8px 14px; border-radius:10px; font-size:.95rem;
  transition:.15s;
}
.nav-links a:hover, .nav-links a.active{ color:#fff; background:var(--surface); }
.nav-spacer{ flex:1; }
.nav-actions{ display:flex; align-items:center; gap:10px; }

.cart-btn{
  position:relative; display:inline-flex; align-items:center; gap:8px;
  padding:9px 16px; border-radius:12px; color:#fff;
  background:var(--surface); border:1px solid var(--border);
}
.cart-btn:hover{ border-color:var(--border-glow); color:#fff; }
.cart-badge{
  min-width:20px; height:20px; padding:0 5px; border-radius:20px;
  background:var(--accent); color:#02121f; font-size:.75rem; font-weight:600;
  display:grid; place-items:center;
}
.nav-toggle{ display:none; background:none; border:0; color:#fff; font-size:26px; cursor:pointer; }

/* Search box in header */
.nav-search{ display:flex; align-items:center; background:var(--surface); border:1px solid var(--border);
  border-radius:12px; overflow:hidden; max-width:260px; }
.nav-search input{ background:transparent; border:0; color:#fff; padding:9px 12px; font-family:inherit; font-size:.92rem; width:100%; outline:none; }
.nav-search input::placeholder{ color:var(--text-dim); }
.nav-search button{ background:transparent; border:0; color:var(--text-muted); padding:8px 12px; cursor:pointer; font-size:.95rem; }
.nav-search:focus-within{ border-color:var(--border-glow); }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:12px 22px; border-radius:12px; font-family:inherit; font-size:1rem;
  font-weight:400; cursor:pointer; border:1px solid transparent; transition:.18s;
  text-decoration:none; white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--accent),var(--primary));
  color:#fff; box-shadow:0 8px 24px rgba(0,120,255,.35);
}
.btn-primary:hover{ transform:translateY(-2px); box-shadow:0 12px 30px rgba(0,150,255,.5); color:#fff; }
.btn-ghost{ background:var(--surface); color:#fff; border-color:var(--border); }
.btn-ghost:hover{ border-color:var(--border-glow); color:#fff; }
.btn-danger{ background:rgba(229,72,77,.15); color:#ff9a9d; border-color:rgba(229,72,77,.4); }
.btn-danger:hover{ background:rgba(229,72,77,.28); color:#fff; }
.btn-block{ width:100%; }
.btn-sm{ padding:8px 14px; font-size:.9rem; border-radius:10px; }
.btn[disabled]{ opacity:.5; cursor:not-allowed; }

/* ---------- Hero ---------- */
.hero{ padding:70px 0 40px; position:relative; }
.hero .eyebrow{
  display:inline-flex; align-items:center; gap:8px; padding:6px 14px; border-radius:30px;
  background:var(--accent-soft); color:var(--accent-2); font-size:.85rem; margin-bottom:18px;
  border:1px solid var(--border-glow);
}
.hero h1{ font-size:clamp(2rem,5vw,3.3rem); font-weight:600; }
.hero p{ max-width:640px; color:var(--text-soft); font-size:1.15rem; }
.hero-actions{ display:flex; gap:14px; margin-top:26px; flex-wrap:wrap; }

/* ---------- Category chips ---------- */
.chips{ display:flex; gap:10px; flex-wrap:wrap; }
.chip{
  padding:9px 18px; border-radius:30px; background:var(--surface);
  border:1px solid var(--border); color:var(--text-muted); font-size:.92rem; transition:.15s;
}
.chip:hover, .chip.active{ background:var(--accent-soft); border-color:var(--border-glow); color:#fff; }

/* ---------- Product grid ---------- */
.grid{ display:grid; gap:22px; }
.products-grid{ grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); }

.card{
  background:var(--card-grad); border:1px solid var(--border); border-radius:var(--radius);
  overflow:hidden; transition:.2s; display:flex; flex-direction:column;
}
.card:hover{ transform:translateY(-4px); box-shadow:var(--shadow-glow); border-color:var(--border-glow); }
.card-thumb{
  aspect-ratio:16/10; background:var(--card-grad-2); position:relative; overflow:hidden;
  display:grid; place-items:center;
}
.card-thumb img{ width:100%; height:100%; object-fit:cover; }
.card-thumb .ph{ font-size:52px; opacity:.35; }
.badge{
  position:absolute; top:12px; left:12px; padding:5px 11px; border-radius:20px;
  font-size:.75rem; font-weight:500; backdrop-filter:blur(6px);
}
.badge-sale{ background:rgba(255,122,26,.9); color:#fff; }
.badge-feat{ background:var(--accent-soft); color:var(--accent-2); border:1px solid var(--border-glow); }
.card-body{ padding:16px 18px 20px; display:flex; flex-direction:column; gap:8px; flex:1; }
.card-cat{ font-size:.78rem; color:var(--accent-2); text-transform:uppercase; letter-spacing:.4px; }
.card-title{ font-size:1.08rem; font-weight:500; color:#fff; margin:0; }
.card-desc{ font-size:.9rem; color:var(--text-muted); flex:1; }
.card-foot{ display:flex; align-items:center; justify-content:space-between; margin-top:8px; gap:10px; }
.price{ display:flex; align-items:baseline; gap:8px; }
.price .now{ font-size:1.25rem; font-weight:600; color:#fff; }
.price .was{ font-size:.9rem; color:var(--text-dim); text-decoration:line-through; }

/* ---------- Section head ---------- */
.section-head{ display:flex; align-items:end; justify-content:space-between; gap:20px; margin-bottom:26px; flex-wrap:wrap; }
.section-head h2{ font-size:1.6rem; }

/* ---------- Product detail ---------- */
.product-detail{ display:grid; grid-template-columns:1.1fr 1fr; gap:40px; align-items:start; }
.pd-media{ background:var(--card-grad-2); border:1px solid var(--border); border-radius:var(--radius); overflow:hidden; aspect-ratio:16/11; display:grid; place-items:center; }
.pd-media .ph{ font-size:80px; opacity:.3; }
.pd-info .price .now{ font-size:2rem; }
.pd-meta{ display:flex; flex-wrap:wrap; gap:14px; margin:18px 0; }
.pd-meta .m{ background:var(--surface); border:1px solid var(--border); border-radius:10px; padding:10px 14px; font-size:.88rem; color:var(--text-soft); }
.pd-desc{ margin-top:24px; color:var(--text-soft); }
.pd-desc h3{ color:#fff; margin-top:24px; }
/* รายละเอียดแบบเต็มความกว้าง (ไม่เบียดขวา) */
.pd-desc-full{ margin-top:44px; padding-top:28px; border-top:1px solid var(--border); text-align:left; }
.pd-desc-full h3{ margin-top:0; font-size:1.4rem; }
.pd-desc-full .rich{ max-width:860px; }
/* รายละเอียดแบบ HTML */
.rich a{ color:var(--accent-2); text-decoration:underline; word-break:break-word; }
.rich a:hover{ color:#fff; }
.rich img{ max-width:100%; height:auto; border-radius:10px; margin:10px 0; }
.rich iframe, .rich video{ max-width:100%; border:0; border-radius:10px; margin:10px 0; }
.rich ul, .rich ol{ padding-left:22px; margin:10px 0; }
.rich li{ margin:4px 0; }
.rich table{ width:100%; border-collapse:collapse; margin:12px 0; display:block; overflow-x:auto; }
.rich th, .rich td{ border:1px solid var(--border); padding:8px 12px; text-align:left; }
.rich h1,.rich h2,.rich h3,.rich h4{ color:#fff; margin:18px 0 8px; }
.rich pre{ background:rgba(2,8,23,.6); border:1px solid var(--border); border-radius:10px; padding:12px; overflow-x:auto; }
.rich code{ background:rgba(2,8,23,.6); padding:2px 6px; border-radius:6px; }
.rich blockquote{ border-left:3px solid var(--accent); margin:12px 0; padding:4px 16px; color:var(--text-soft); }

/* ---------- Cart & Tables ---------- */
.panel{ background:var(--card-grad); border:1px solid var(--border); border-radius:var(--radius); padding:24px; }
.cart-row{ display:grid; grid-template-columns:76px 1fr auto auto; gap:16px; align-items:center; padding:16px 0; border-bottom:1px solid var(--border); }
.cart-row:last-child{ border-bottom:0; }
.cart-thumb{ width:76px; height:60px; border-radius:10px; object-fit:cover; background:var(--card-grad-2); }
.cart-summary{ display:flex; flex-direction:column; gap:12px; }
.summary-line{ display:flex; justify-content:space-between; color:var(--text-muted); }
.summary-total{ display:flex; justify-content:space-between; font-size:1.35rem; font-weight:600; color:#fff; padding-top:12px; border-top:1px solid var(--border); }

.empty{ text-align:center; padding:70px 20px; color:var(--text-muted); }
.empty .ico{ font-size:60px; opacity:.4; margin-bottom:10px; }

/* ---------- Forms ---------- */
.field{ margin-bottom:16px; }
.field label{ display:block; margin-bottom:6px; color:var(--text-soft); font-size:.92rem; }
.input, .textarea, .select{
  width:100%; padding:12px 14px; border-radius:10px; font-family:inherit; font-size:1rem;
  background:rgba(2,8,23,.6); border:1px solid var(--border); color:#fff; transition:.15s;
}
.input:focus,.textarea:focus,.select:focus{ outline:none; border-color:var(--accent); box-shadow:0 0 0 3px var(--accent-soft); }
.textarea{ min-height:120px; resize:vertical; }
.hint{ font-size:.82rem; color:var(--text-dim); margin-top:4px; }
.row2{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }

/* ---------- Alerts ---------- */
.alert{ padding:14px 16px; border-radius:12px; margin-bottom:16px; border:1px solid var(--border); font-size:.95rem; }
.alert-success{ background:rgba(28,158,45,.14); border-color:rgba(28,158,45,.4); color:#8ff0a0; }
.alert-error{ background:rgba(229,72,77,.14); border-color:rgba(229,72,77,.4); color:#ff9a9d; }
.alert-info{ background:var(--accent-soft); border-color:var(--border-glow); color:var(--accent-2); }
.alert-warn{ background:rgba(255,176,32,.12); border-color:rgba(255,176,32,.4); color:#ffcf7a; }

/* ---------- Steps ---------- */
.steps{ display:flex; gap:10px; margin-bottom:26px; flex-wrap:wrap; }
.step{ display:flex; align-items:center; gap:8px; color:var(--text-dim); font-size:.9rem; }
.step .n{ width:26px; height:26px; border-radius:50%; display:grid; place-items:center; background:var(--surface); border:1px solid var(--border); font-size:.8rem; }
.step.active{ color:#fff; } .step.active .n{ background:var(--accent); color:#02121f; border-color:var(--accent); }

/* ---------- Downloads list ---------- */
.dl-item{ display:flex; align-items:center; justify-content:space-between; gap:16px; padding:18px; background:var(--surface); border:1px solid var(--border); border-radius:12px; margin-bottom:12px; }
.dl-item .meta{ font-size:.85rem; color:var(--text-muted); }

/* ---------- Reviews / Ratings ---------- */
.stars{ color:#ffc247; letter-spacing:2px; font-size:1rem; }
.rating-inline{ display:inline-flex; align-items:center; gap:8px; }
.rating-inline .avg{ font-weight:600; color:#fff; }
.rating-inline .cnt{ color:var(--text-muted); font-size:.9rem; }
.reviews{ margin-top:36px; }
.review{ padding:18px 0; border-bottom:1px solid var(--border); }
.review:last-child{ border-bottom:0; }
.review-head{ display:flex; align-items:center; gap:10px; flex-wrap:wrap; margin-bottom:6px; }
.review-head .name{ font-weight:500; color:#fff; }
.review-head .verified{ font-size:.72rem; padding:2px 8px; border-radius:20px; background:rgba(28,158,45,.15); color:#8ff0a0; border:1px solid rgba(28,158,45,.4); }
.review-head .date{ color:var(--text-dim); font-size:.82rem; margin-left:auto; }
.review .body{ color:var(--text-soft); }
/* ปุ่มเลือกดาวในฟอร์ม (radio → ดาว) */
.star-input{ display:inline-flex; flex-direction:row-reverse; gap:4px; font-size:1.7rem; }
.star-input input{ display:none; }
.star-input label{ color:var(--text-dim); cursor:pointer; transition:.1s; }
.star-input input:checked ~ label,
.star-input label:hover, .star-input label:hover ~ label{ color:#ffc247; }

/* ---------- Footer ---------- */
.site-footer{ border-top:1px solid var(--border); margin-top:60px; padding:44px 0 30px; color:var(--text-muted); }
.footer-grid{ display:grid; grid-template-columns:2fr 1fr 1fr; gap:30px; margin-bottom:30px; }
.footer-grid h4{ color:#fff; font-size:1rem; }
.footer-grid a{ display:block; color:var(--text-muted); padding:4px 0; }
.footer-grid a:hover{ color:var(--accent-2); }
.footer-bottom{ display:flex; justify-content:space-between; gap:16px; flex-wrap:wrap; padding-top:20px; border-top:1px solid var(--border); font-size:.88rem; }

/* ---------- Utilities ---------- */
.badges-inline{ display:flex; gap:8px; flex-wrap:wrap; }
.pill{ padding:4px 12px; border-radius:20px; font-size:.78rem; background:var(--surface); border:1px solid var(--border); color:var(--text-muted); }
.pill.paid{ color:#8ff0a0; border-color:rgba(28,158,45,.4); background:rgba(28,158,45,.12); }
.pill.pending{ color:#ffcf7a; border-color:rgba(255,176,32,.4); background:rgba(255,176,32,.1); }
.pill.failed{ color:#ff9a9d; border-color:rgba(229,72,77,.4); background:rgba(229,72,77,.1); }

/* ---------- Responsive ---------- */
@media (max-width: 900px){
  .product-detail{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr 1fr; }
}
@media (max-width: 760px){
  .nav-links{ display:none; position:absolute; top:66px; left:0; right:0; flex-direction:column; gap:0;
    background:rgba(2,8,23,.98); backdrop-filter:blur(14px); padding:10px; border-bottom:1px solid var(--border); }
  .nav-links.open{ display:flex; }
  .nav-links a{ padding:12px; border-radius:10px; }
  .nav-toggle{ display:block; }
  .nav-search{ max-width:150px; }
  .nav-search input{ padding:8px 10px; }
  .row2{ grid-template-columns:1fr; }
  .cart-row{ grid-template-columns:60px 1fr; grid-auto-rows:auto; }
  .cart-row .cart-thumb{ width:60px; height:48px; }
  .footer-grid{ grid-template-columns:1fr; }
  .checkout-grid{ grid-template-columns:1fr !important; }
}