:root {
  --navy: #16265C;
  --red: #C0392B;
  --bg: #F6F7FA;
  --line: #E3E6EE;
  --text: #1E2430;
  --muted: #66707F;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; background: var(--bg); color: var(--text); line-height: 1.55; }
a { color: inherit; text-decoration: none; }
.container { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

header { background: var(--navy); color: #fff; position: sticky; top: 0; z-index: 50; }
.header-in { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { font-weight: 700; letter-spacing: 1px; font-size: 18px; }
.brand em { color: #E74C3C; font-style: normal; padding: 2px 6px; border: 2px solid #E74C3C; border-radius: 4px; margin-right: 8px; }
nav { display: flex; gap: 18px; align-items: center; font-size: 14.5px; }
nav a { color: #C9D2E8; }
nav a:hover { color: #fff; }
.cart-link { position: relative; color: #fff !important; font-weight: 600; }
#cart-count { background: var(--red); color: #fff; border-radius: 999px; font-size: 11px; padding: 1px 6px; margin-left: 4px; }

.hero { background: linear-gradient(135deg, #16265C 0%, #1F3A7A 100%); color: #fff; padding: 46px 0; }
.hero h1 { font-size: 30px; margin-bottom: 10px; }
.hero p { color: #B9C4DE; max-width: 640px; font-size: 15.5px; }
.hero .badges { margin-top: 18px; display: flex; flex-wrap: wrap; gap: 8px; }
.hero .badges span { border: 1px solid rgba(255,255,255,.35); border-radius: 4px; padding: 4px 10px; font-size: 12px; letter-spacing: .4px; }

.section { padding: 40px 0; }
.section h2 { color: var(--navy); font-size: 22px; margin-bottom: 6px; }
.section .sub { color: var(--muted); font-size: 14.5px; margin-bottom: 22px; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 18px; display: flex; flex-direction: column; gap: 8px; }
.card .code { font-weight: 700; color: var(--navy); font-size: 17px; }
.card .tag { font-size: 11.5px; color: var(--red); font-weight: 600; letter-spacing: .5px; text-transform: uppercase; }
.card .desc { font-size: 13.5px; color: var(--muted); flex: 1; }
.card .meta { font-size: 12.5px; color: var(--text); background: var(--bg); border-radius: 6px; padding: 8px 10px; }
.card .row { display: flex; gap: 8px; align-items: center; }
.card input[type=number] { width: 70px; padding: 7px; border: 1px solid var(--line); border-radius: 6px; font-size: 14px; }
.btn { display: inline-block; background: var(--red); color: #fff; border: none; border-radius: 7px; padding: 9px 16px; font-size: 14px; font-weight: 600; cursor: pointer; }
.btn:hover { filter: brightness(1.08); }
.btn.ghost { background: #fff; color: var(--navy); border: 1px solid var(--line); }
.btn.small { padding: 6px 12px; font-size: 13px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

.cartbar { position: fixed; bottom: 0; left: 0; right: 0; background: #fff; border-top: 1px solid var(--line); padding: 12px 0; display: none; z-index: 40; }
.cartbar .container { display: flex; align-items: center; justify-content: space-between; }
.cartbar .info { font-size: 14.5px; color: var(--muted); }
.cartbar strong { color: var(--navy); }

form.panel { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 24px; max-width: 640px; }
label { display: block; font-size: 13.5px; font-weight: 600; color: var(--navy); margin: 14px 0 5px; }
label:first-child { margin-top: 0; }
input[type=text], input[type=email], input[type=password], textarea, select {
  width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 7px; font-size: 14.5px; font-family: inherit; background: #fff;
}
textarea { min-height: 80px; resize: vertical; }
.form-2col { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.msg { margin-top: 14px; font-size: 14px; padding: 10px 12px; border-radius: 7px; display: none; }
.msg.err { background: #FDECEA; color: #B03A2E; display: block; }
.msg.ok { background: #E8F6EF; color: #1E8449; display: block; }

.order-list { display: flex; flex-direction: column; gap: 12px; }
.order { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 16px 18px; }
.order .head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 8px; }
.order .no { font-weight: 700; color: var(--navy); }
.order .status { font-size: 12px; padding: 2px 10px; border-radius: 999px; background: #FFF4E5; color: #B9770E; }
.order .status.new { background: #E8F0FE; color: #1F5BB5; }
.order .status.confirmed { background: #E8F6EF; color: #1E8449; }
.order table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.order td { padding: 4px 0; color: var(--muted); }
.order td:first-child { color: var(--text); font-weight: 500; }

.catnav { background: #fff; border-bottom: 1px solid var(--line); position: sticky; top: 60px; z-index: 45; padding: 12px 0; }
.catnav .container { display: flex; flex-direction: column; gap: 10px; }
.catnav input[type=search] { width: 100%; padding: 9px 13px; border: 1px solid var(--line); border-radius: 8px; font-size: 14px; font-family: inherit; }
.chips { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 2px; scrollbar-width: thin; }
.chip { flex: 0 0 auto; background: #fff; border: 1px solid var(--line); color: var(--navy); border-radius: 999px; padding: 6px 13px; font-size: 13px; font-weight: 500; cursor: pointer; white-space: nowrap; }
.chip span { color: var(--muted); font-weight: 400; font-size: 12px; }
.chip:hover { border-color: var(--navy); }
.chip.on { background: var(--navy); border-color: var(--navy); color: #fff; }
.chip.on span { color: #C9D2E8; }

.catblock { margin-bottom: 46px; }
.catblock:last-child { margin-bottom: 0; }
.catblock h2 { scroll-margin-top: 130px; }
.pgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(238px, 1fr)); gap: 16px; }
.pcard { background: #fff; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; display: flex; flex-direction: column; }
.pimg { height: 150px; display: flex; align-items: center; justify-content: center; background: #fff; padding: 12px; border-bottom: 1px solid #F0F2F6; }
.pimg img { max-width: 100%; max-height: 100%; object-fit: contain; }
.pbody { padding: 14px 16px 16px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.ptag { font-size: 11px; color: var(--red); font-weight: 600; letter-spacing: .5px; text-transform: uppercase; }
.pname { font-size: 14.5px; font-weight: 600; color: var(--navy); line-height: 1.35; }
.pdesc { font-size: 13px; color: var(--muted); flex: 1; }
.pmeta { font-size: 12px; color: var(--text); background: var(--bg); border-radius: 6px; padding: 6px 9px; }
.prow { display: flex; gap: 8px; align-items: center; margin-top: 6px; }
.prow input[type=number] { width: 64px; padding: 7px; border: 1px solid var(--line); border-radius: 6px; font-size: 14px; }

footer { background: var(--navy); color: #8E9BBF; font-size: 13px; padding: 24px 0; margin-top: 40px; }
footer a { color: #C9D2E8; }

@media (max-width: 640px) {
  .form-2col { grid-template-columns: 1fr; }
  nav { gap: 12px; font-size: 13px; }
  .hero h1 { font-size: 24px; }
}