@import url("https://fonts.googleapis.com/css2?family=Orbitron:wght@500;700&family=Manrope:wght@400;500;700&display=swap");

:root {
  --bg: #050711;

  --panel: rgba(14, 20, 36, 0.82);
  --panel-dark: rgba(7, 11, 22, 0.92);

  --glass: rgba(255, 255, 255, 0.07);
  --glass-strong: rgba(255, 255, 255, 0.1);

  --cyan: #65f3ff;
  --pink: #ff5fcc;
  --purple: #8d7dff;

  --text: #edf8ff;
  --muted: #9ca9bd;

  --line: rgba(255, 255, 255, 0.14);

  --blur: blur(18px);

  --cyan-glow: 0 0 18px rgba(101, 243, 255, 0.32);
  --pink-glow: 0 0 34px rgba(255, 95, 204, 0.22);

  --card-shadow: 0 18px 38px rgba(0, 0, 0, 0.32);

  --transition: 0.25s ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;

  background: radial-gradient(
      circle at 20% 10%,
      rgba(255, 95, 204, 0.25),
      transparent 28%
    ),
    radial-gradient(
      circle at 80% 0%,
      rgba(101, 243, 255, 0.18),
      transparent 34%
    ),
    linear-gradient(135deg, #050711, #0b1020);

  color: var(--text);

  font-family: "Manrope", sans-serif;

  overflow-x: hidden;
}

body::before {
  content: "";

  position: fixed;
  inset: 0;

  background: repeating-linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.035) 0px,
    rgba(255, 255, 255, 0.035) 1px,
    transparent 1px,
    transparent 7px
  );

  pointer-events: none;

  opacity: 0.35;

  z-index: 10;
}

/* APP */

.app-shell {
  display: grid;

  grid-template-columns:
    92px
    1fr
    360px;

  gap: 1.2rem;

  min-height: 100vh;

  padding: 1.2rem;
}

/* SHARED */

.category-rail,
.product-card,
.scan-terminal {
  border: 1px solid var(--line);

  backdrop-filter: var(--blur);
}

.rail-btn,
.qty-btn,
.currency-btn,
.checkout-btn {
  transition: background var(--transition), border-color var(--transition),
    color var(--transition), box-shadow var(--transition),
    transform var(--transition);
}

/* RAIL */

.category-rail {
  position: sticky;

  top: 1.2rem;

  height: calc(100vh - 2.4rem);

  padding: 1rem 0.6rem;

  border-radius: 28px;

  display: flex;
  flex-direction: column;
  align-items: center;

  gap: 0.8rem;

  background: var(--panel);

  box-shadow: 0 0 28px rgba(101, 243, 255, 0.12);
}

.rail-logo {
  width: 52px;
  height: 52px;

  border-radius: 18px;

  display: grid;
  place-items: center;

  margin-bottom: 1rem;

  background: linear-gradient(135deg, var(--cyan), var(--pink));

  color: #050711;

  font-family: "Orbitron", sans-serif;
  font-weight: 700;
}

.rail-btn {
  min-height: 88px;

  writing-mode: vertical-rl;

  transform: rotate(180deg);

  border: 1px solid var(--line);

  border-radius: 999px;

  background: var(--glass);

  color: var(--muted);

  cursor: pointer;

  font-family: "Orbitron", sans-serif;

  font-size: 0.7rem;

  letter-spacing: 2px;
}

.rail-btn.active,
.rail-btn:hover {
  color: var(--cyan);

  border-color: var(--cyan);

  box-shadow: var(--cyan-glow);
}

/* MAIN */

.capsule-store {
  min-width: 0;
}

/* HEADER */

.store-header {
  position: relative;

  overflow: hidden;

  min-height: 290px;

  margin-bottom: 1.2rem;

  padding: 2rem;

  border: 1px solid var(--line);

  border-radius: 34px;

  display: flex;
  justify-content: space-between;
  align-items: flex-start;

  gap: 2rem;

  background: linear-gradient(90deg, rgba(5, 7, 17, 0.92), rgba(5, 7, 17, 0.45)),
    url("https://images.unsplash.com/photo-1540959733332-eab4deabeeaf?q=80&w=1600&auto=format&fit=crop");

  background-size: cover;
  background-position: center;
}

.store-header::after {
  content: "";

  position: absolute;

  inset: auto 0 0;

  height: 5px;

  background: linear-gradient(90deg, var(--cyan), var(--pink), var(--purple));

  box-shadow: 0 0 20px var(--cyan);
}

.eyebrow {
  color: var(--pink);

  text-transform: uppercase;

  letter-spacing: 3px;

  font-size: 0.78rem;
}

h1 {
  margin: 0.6rem 0 1rem;

  max-width: 720px;

  font-family: "Orbitron", sans-serif;

  font-size: clamp(2.4rem, 6vw, 5.8rem);

  line-height: 0.95;

  text-shadow: 0 0 22px rgba(101, 243, 255, 0.35);
}

.subtitle {
  max-width: 640px;

  color: #d6e2ef;

  line-height: 1.7;
}

.header-tools {
  display: flex;
  flex-direction: column;
  align-items: flex-end;

  gap: 0.8rem;
}

.currency-toggle,
.time-chip {
  border: 1px solid var(--line);

  border-radius: 999px;

  background: rgba(255, 255, 255, 0.08);

  backdrop-filter: blur(14px);
}

.currency-toggle {
  display: flex;

  padding: 0.35rem;
}

.currency-btn {
  padding: 0.5rem 0.8rem;

  border: none;

  border-radius: 999px;

  background: transparent;

  color: white;

  cursor: pointer;
}

.currency-btn.active {
  background: linear-gradient(135deg, var(--cyan), var(--pink));

  color: #050711;
}

.time-chip {
  padding: 0.7rem 1rem;

  color: var(--muted);
}

/* PRODUCT WALL */

.vending-wall {
  display: grid;

  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));

  gap: 1rem;
}

.product-card {
  position: relative;

  min-height: 390px;

  overflow: hidden;

  border-radius: 30px;

  background: linear-gradient(180deg, rgba(101, 243, 255, 0.08), transparent),
    rgba(14, 20, 36, 0.88);

  box-shadow: var(--card-shadow);

  transition: transform var(--transition), border-color var(--transition),
    box-shadow var(--transition);
}

.product-card:hover {
  transform: translateY(-4px);

  border-color: var(--pink);

  box-shadow: var(--pink-glow);
}

.product-card::before {
  content: "CAPSULE STOCK";

  position: absolute;

  top: 1rem;
  left: 1rem;

  z-index: 2;

  color: var(--cyan);

  font-size: 0.65rem;

  letter-spacing: 2px;

  font-family: "Orbitron", sans-serif;
}

.product-card img {
  width: 100%;
  height: 205px;

  object-fit: cover;

  filter: saturate(1.25) contrast(1.08);

  transition: transform 0.45s ease, filter 0.35s ease;
}

.product-card:hover img {
  transform: scale(1.04);
}

.product-content {
  height: calc(100% - 205px);

  padding: 1rem;

  display: flex;
  flex-direction: column;
}

.tag {
  color: var(--pink);

  text-transform: uppercase;

  letter-spacing: 2px;

  font-size: 0.68rem;
}

.product-card h2 {
  margin: 0.6rem 0;

  font-family: "Orbitron", sans-serif;

  font-size: 1rem;
}

.product-card p {
  min-height: 68px;

  color: var(--muted);

  font-size: 0.88rem;

  line-height: 1.5;
}

.price-row {
  margin-top: auto;

  padding-top: 1rem;

  display: flex;
  justify-content: space-between;
  align-items: center;
}

.qty-controls {
  display: flex;
  align-items: center;

  gap: 0.45rem;
}

.qty-btn {
  width: 31px;
  height: 31px;

  border: 1px solid var(--line);

  border-radius: 50%;

  background: rgba(255, 255, 255, 0.08);

  color: white;

  cursor: pointer;
}

.qty-btn:hover {
  border-color: var(--cyan);

  color: var(--cyan);

  box-shadow: var(--cyan-glow);
}

/* TERMINAL */

.scan-terminal {
  position: sticky;

  top: 1.2rem;

  height: calc(100vh - 2.4rem);

  overflow: hidden;

  padding: 1.3rem;

  border-radius: 34px;

  display: flex;
  flex-direction: column;

  background: linear-gradient(180deg, rgba(255, 95, 204, 0.12), transparent),
    var(--panel-dark);

  box-shadow: 0 0 34px rgba(101, 243, 255, 0.13);
}

.scan-terminal::before {
  content: "";

  position: absolute;

  inset: 0;

  background: linear-gradient(
    180deg,
    rgba(101, 243, 255, 0.05),
    transparent 30%
  );

  pointer-events: none;
}

.terminal-top {
  display: flex;
  align-items: center;

  gap: 0.8rem;

  padding-bottom: 1rem;

  border-bottom: 1px solid var(--line);
}

.pulse {
  width: 14px;
  height: 14px;

  border-radius: 50%;

  background: var(--cyan);

  box-shadow: 0 0 20px var(--cyan);
}

.terminal-top h2 {
  margin: 0;

  font-family: "Orbitron", sans-serif;
}

.terminal-top p {
  margin: 0.25rem 0 0;

  color: var(--muted);

  font-size: 0.85rem;
}

/* CART */

.cart-list {
  flex: 1;

  overflow-y: auto;
  overflow-x: hidden;

  padding: 1rem 0.35rem 1rem 0;

  scroll-behavior: smooth;
}

.cart-list::-webkit-scrollbar {
  width: 10px;
}

.cart-list::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.04);

  border-radius: 999px;
}

.cart-list::-webkit-scrollbar-thumb {
  border-radius: 999px;

  border: 2px solid rgba(8, 12, 24, 0.9);

  background: linear-gradient(180deg, var(--cyan), var(--pink));

  box-shadow: 0 0 12px rgba(101, 243, 255, 0.35),
    0 0 18px rgba(255, 95, 204, 0.25);
}

.cart-item {
  padding: 0.9rem 0;

  border-bottom: 1px solid var(--line);
}

.cart-item-top {
  display: flex;
  justify-content: space-between;

  gap: 1rem;
}

.cart-item small,
.empty {
  color: var(--muted);
}

.remove-btn {
  margin-top: 0.6rem;

  padding: 0;

  border: none;

  background: none;

  color: var(--pink);

  cursor: pointer;
}

.remove-btn:hover {
  color: var(--cyan);
}

/* TOTAL */

.terminal-total {
  display: flex;
  justify-content: space-between;

  margin-top: 1rem;

  padding-top: 1rem;

  border-top: 1px solid var(--line);

  font-size: 1.1rem;
}

.checkout-btn {
  width: 100%;

  margin-top: 1rem;

  padding: 1rem;

  border: none;

  border-radius: 18px;

  background: linear-gradient(135deg, var(--cyan), var(--pink));

  color: #050711;

  font-weight: 800;

  cursor: pointer;
}

.checkout-btn:hover {
  transform: translateY(-2px);

  box-shadow: 0 0 24px rgba(101, 243, 255, 0.35);
}

/* MOBILE */

@media (max-width: 1050px) {
  .app-shell {
    grid-template-columns:
      76px
      1fr;
  }

  .scan-terminal {
    grid-column: 1 / -1;

    position: static;

    height: auto;
  }
}

@media (max-width: 720px) {
  .app-shell {
    display: block;

    padding: 0.8rem;
  }

  .category-rail {
    position: static;

    height: auto;
    width: 100%;

    flex-direction: row;

    overflow-x: auto;

    margin-bottom: 0.8rem;
  }

  .rail-logo {
    flex: 0 0 auto;

    margin-bottom: 0;
  }

  .rail-btn {
    writing-mode: initial;

    transform: none;

    min-height: auto;

    padding: 0.8rem 1rem;

    flex: 0 0 auto;
  }

  .store-header {
    flex-direction: column;

    min-height: auto;
  }

  .header-tools {
    align-items: flex-start;
  }

  .vending-wall {
    grid-template-columns: 1fr;
  }

  .scan-terminal {
    margin-top: 1rem;
  }
}