:root{
  --bg: #0b1020;
  --panel: rgba(255,255,255,0.06);
  --panel2: rgba(255,255,255,0.08);
  --stroke: rgba(255,255,255,0.10);
  --text: rgba(255,255,255,0.92);
  --muted: rgba(255,255,255,0.68);
  --muted2: rgba(255,255,255,0.52);
  --accent: #6ee7ff;
  --accent2: #a78bfa;
  --danger: #fb7185;
  --shadow: 0 10px 30px rgba(0,0,0,0.35);
  --radius: 14px;
  --radius2: 18px;
  --container: 1120px;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background:
    radial-gradient(1200px 500px at 20% 0%, rgba(110,231,255,0.18), transparent 55%),
    radial-gradient(1000px 600px at 90% 10%, rgba(167,139,250,0.18), transparent 55%),
    var(--bg);
  color: var(--text);
}

a{ color:inherit; text-decoration:none; }
.container{
  width: min(var(--container), calc(100% - 32px));
  margin: 0 auto;
}

.muted{ color: var(--muted); }
.small{ font-size: 12px; }
.accent{ color: var(--accent); }
.hidden{ display:none !important; }
.no-scroll{ overflow:hidden; }

/* header */
.header{
  position: sticky;
  top:0;
  z-index: 20;
  backdrop-filter: blur(12px);
  background: rgba(11,16,32,0.60);
  border-bottom: 1px solid var(--stroke);
}
.header__inner{
  height: 68px;
  display:flex;
  align-items:center;
  justify-content: space-between;
}
.brand{
  display:flex;
  align-items:center;
  gap: 12px;
}
.brand__logo{
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display:grid;
  place-items:center;
  background: linear-gradient(135deg, rgba(110,231,255,0.28), rgba(167,139,250,0.28));
  border: 1px solid rgba(255,255,255,0.14);
  box-shadow: var(--shadow);
  font-weight: 800;
  letter-spacing: 0.4px;
}
.brand__text{ display:flex; flex-direction:column; line-height:1.05; }
.brand__name{ font-weight: 800; }
.brand__tag{ color: var(--muted2); font-size: 12px; margin-top: 2px; }

/* buttons */
.btn{
  border: 1px solid rgba(255,255,255,0.14);
  background: linear-gradient(180deg, rgba(255,255,255,0.16), rgba(255,255,255,0.08));
  color: var(--text);
  border-radius: 12px;
  padding: 10px 12px;
  font-weight: 600;
  cursor:pointer;
  transition: transform .08s ease, background .12s ease, border-color .12s ease;
}
.btn:hover{ transform: translateY(-1px); border-color: rgba(255,255,255,0.22); }
.btn:active{ transform: translateY(0px); }
.btn:disabled{
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}
.btn--secondary{
  background: rgba(255,255,255,0.08);
}
.btn--ghost{
  background: transparent;
}
.iconbtn{
  width: 40px;
  height: 40px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.07);
  color: var(--text);
  cursor: pointer;
}
.badge{
  margin-left: 8px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width: 24px;
  height: 22px;
  padding: 0 8px;
  border-radius: 999px;
  background: rgba(110,231,255,0.18);
  border: 1px solid rgba(110,231,255,0.22);
  font-size: 12px;
}

/* main */
.main{ padding: 26px 0 44px; }

.hero{
  display:grid;
  grid-template-columns: 1fr;
  gap: 18px;
  align-items:start;
  margin-top: 8px;
}
.hero h1{
  margin: 0 0 10px;
  font-size: clamp(26px, 3.3vw, 44px);
  letter-spacing: -0.6px;
}
.hero p{
  margin: 0 0 18px;
  color: var(--muted);
  max-width: 62ch;
}

.controls{
  display:grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 12px;
  padding: 14px;
  border-radius: var(--radius2);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.10);
  box-shadow: var(--shadow);
}
.field{ display:flex; flex-direction:column; gap: 6px; }
.field--full{ grid-column: 1 / -1; }
.field__label{ font-size: 12px; color: var(--muted2); }
.input,.select{
  width: 100%;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(10,14,28,0.55);
  color: var(--text);
  padding: 10px 12px;
  outline: none;
}
.input::placeholder{ color: rgba(255,255,255,0.40); }

.segmented{
  display:flex;
  gap: 8px;
  flex-wrap: wrap;
}
.segmented__btn{
  border-radius: 999px;
  padding: 9px 12px;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.06);
  color: var(--text);
  cursor: pointer;
  font-weight: 600;
  font-size: 13px;
}
.segmented__btn.is-active{
  background: rgba(110,231,255,0.16);
  border-color: rgba(110,231,255,0.22);
}

.card{
  border-radius: var(--radius2);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.10);
  box-shadow: var(--shadow);
  padding: 14px;
}
.card__title{ font-weight: 800; margin-bottom: 10px; }
.list{ margin: 0; padding-left: 18px; color: var(--muted); }
.list li{ margin: 8px 0; }

.section{ margin-top: 22px; }
.section__head{
  display:flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin: 10px 0 12px;
}
.section__head h2{ margin:0; font-size: 18px; letter-spacing: -0.2px; }

.grid{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.pcard{
  border-radius: var(--radius2);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.10);
  box-shadow: var(--shadow);
  padding: 14px;
  display:flex;
  flex-direction:column;
  gap: 10px;
  min-height: 220px;
}
.pcard__top{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 10px;
}
.pill{
  display:inline-flex;
  align-items:center;
  border-radius: 999px;
  padding: 6px 10px;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.06);
  font-size: 12px;
  color: var(--muted);
}
.pcard__name{
  font-weight: 800;
  letter-spacing: -0.2px;
  font-size: 16px;
}
.pcard__meta{
  display:flex;
  align-items:center;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
}
.dot{ color: rgba(255,255,255,0.25); }
.pcard__bottom{
  margin-top: auto;
  display:flex;
  align-items:flex-end;
  justify-content: space-between;
  gap: 12px;
}
.pcard__price{ font-size: 18px; font-weight: 900; }
.pcard__stock{ font-size: 12px; color: var(--muted); }
.pcard__stock.is-out{ color: rgba(251,113,133,0.92); }
.pcard__actions{
  display:flex;
  gap: 10px;
}

/* empty */
.empty{
  margin-top: 14px;
  padding: 18px;
  border-radius: var(--radius2);
  background: rgba(255,255,255,0.05);
  border: 1px dashed rgba(255,255,255,0.18);
  text-align: center;
}
.empty--small{
  margin: 0;
  background: transparent;
  border: 1px dashed rgba(255,255,255,0.14);
}
.empty__title{ font-weight: 900; }
.empty__text{ margin-top: 6px; color: var(--muted); }

/* footer */
.footer{
  border-top: 1px solid var(--stroke);
  background: rgba(0,0,0,0.10);
}
.footer__inner{
  height: 66px;
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 12px;
}

/* drawer */
.drawer{
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 50;
}
.drawer__backdrop{
  position:absolute;
  inset:0;
  background: rgba(0,0,0,0.55);
  opacity: 0;
  transition: opacity .16s ease;
}
.drawer__panel{
  position:absolute;
  right: 12px;
  top: 12px;
  bottom: 12px;
  width: min(440px, calc(100% - 24px));
  border-radius: var(--radius2);
  background: rgba(14,18,36,0.92);
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow: var(--shadow);
  transform: translateX(20px);
  opacity: 0;
  transition: transform .18s ease, opacity .18s ease;
  display:flex;
  flex-direction:column;
  overflow: hidden;
}
.drawer.is-open{ pointer-events: auto; }
.drawer.is-open .drawer__backdrop{ opacity: 1; }
.drawer.is-open .drawer__panel{
  transform: translateX(0);
  opacity: 1;
}
.drawer__head{
  padding: 14px;
  display:flex;
  align-items:flex-start;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid rgba(255,255,255,0.10);
}
.drawer__title{ font-weight: 900; font-size: 16px; }
.drawer__body{
  padding: 12px;
  overflow:auto;
  flex: 1;
}
.drawer__foot{
  padding: 12px;
  border-top: 1px solid rgba(255,255,255,0.10);
}
.drawer__actions{
  display:flex;
  gap: 10px;
  margin-top: 10px;
}
.hint{ margin-top: 10px; font-size: 12px; color: var(--muted2); }
.total{
  display:flex;
  align-items:center;
  justify-content: space-between;
}

/* cart */
.cart{ display:flex; flex-direction:column; gap: 10px; }
.cartrow{
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.10);
  background: rgba(255,255,255,0.06);
  padding: 12px;
  display:grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
}
.cartrow__title{ font-weight: 800; margin-bottom: 2px; }
.cartrow__sub{ font-size: 12px; }
.cartrow__side{
  display:flex;
  flex-direction:column;
  align-items:flex-end;
  gap: 8px;
  min-width: 130px;
}
.cartrow__line{ font-weight: 900; }
.qty{
  display:flex;
  align-items:center;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.14);
  overflow:hidden;
}
.qty__btn{
  width: 34px;
  height: 34px;
  display:grid;
  place-items:center;
  background: rgba(255,255,255,0.06);
  border: none;
  color: var(--text);
  cursor:pointer;
}
.qty__input{
  width: 52px;
  height: 34px;
  text-align:center;
  border:none;
  background: rgba(0,0,0,0.10);
  color: var(--text);
  outline:none;
}
.link{
  border:none;
  background: transparent;
  color: var(--muted);
  cursor:pointer;
  padding: 0;
  font-weight: 700;
}
.link:hover{ color: var(--text); }
.danger{ color: rgba(251,113,133,0.92); }

/* responsive */
@media (max-width: 980px){
  .grid{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero{ grid-template-columns: 1fr; }
}
@media (max-width: 620px){
  .grid{ grid-template-columns: 1fr; }
  .controls{ grid-template-columns: 1fr; }
  .drawer__panel{ right: 0; top: 0; bottom: 0; width: 100%; border-radius: 0; }
  .footer__inner{ flex-direction:column; justify-content:center; }
}