* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #2ee6ff;
  --primary-dim: #1ab8cc;
  --primary-dark: #0e8fa3;
  --accent: #ff7a18;
  --bg: #070b14;
  --bg-elevated: #0d1424;
  --bg-card: rgba(16, 24, 42, 0.88);
  --text: #e8eefc;
  --text-muted: #8b9bb8;
  --border: rgba(46, 230, 255, 0.16);
  --header: rgba(7, 11, 20, 0.86);
  --danger: #ff5c6c;
  --font-display: "Orbitron", "Rajdhani", sans-serif;
  --font-ui: "Rajdhani", "Noto Sans SC", sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", sans-serif;
  --radius: 12px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  padding-top: 118px;
  min-height: 100vh;
  position: relative;
}

.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgba(46, 230, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(46, 230, 255, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
  pointer-events: none;
}

.bg-glow {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 60% 40% at 15% 10%, rgba(46, 230, 255, 0.14), transparent 55%),
    radial-gradient(ellipse 50% 35% at 90% 20%, rgba(255, 122, 24, 0.1), transparent 50%),
    radial-gradient(ellipse 40% 30% at 50% 90%, rgba(46, 230, 255, 0.08), transparent 55%);
  pointer-events: none;
  animation: glowShift 14s ease-in-out infinite alternate;
}

@keyframes glowShift {
  from { opacity: 0.85; transform: scale(1); }
  to { opacity: 1; transform: scale(1.05); }
}

a {
  text-decoration: none;
  color: inherit;
}

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 16px;
}

.logo-text {
  font-family: var(--font-display);
  letter-spacing: 0.04em;
}

.btn {
  background: linear-gradient(135deg, var(--primary), #5af0ff 45%, var(--primary-dim));
  color: #041018;
  padding: 12px 28px;
  border: none;
  border-radius: 8px;
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  box-shadow: 0 0 0 1px rgba(46, 230, 255, 0.35), 0 8px 24px rgba(46, 230, 255, 0.2);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 0 1px rgba(46, 230, 255, 0.55), 0 12px 32px rgba(46, 230, 255, 0.35);
}

.btn-sm {
  padding: 8px 14px;
  font-size: 14px;
}

.link-btn {
  background: none;
  border: none;
  color: var(--primary);
  cursor: pointer;
  font-size: 13px;
  padding: 0;
  font-family: var(--font-body);
}

.link-btn:hover {
  color: #fff;
  text-decoration: underline;
}

/* Top bar */
.top-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 110;
  background: rgba(4, 8, 16, 0.92);
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 12px;
  backdrop-filter: blur(10px);
}

.top-bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 32px;
  gap: 12px;
}

.top-bar-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.lang-switch {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.lang-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 3px 10px;
  font-size: 12px;
  font-family: var(--font-ui);
  font-weight: 700;
  cursor: pointer;
  letter-spacing: 0.04em;
}

.lang-btn.active {
  background: rgba(46, 230, 255, 0.15);
  color: var(--primary);
}

.lang-btn:hover {
  color: var(--primary);
}

.auth-area {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.auth-user {
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--primary);
  font-size: 12px;
  font-family: var(--font-ui);
  font-weight: 600;
}

.auth-error {
  margin: 0 0 10px;
  color: #ff7b7b;
  font-size: 13px;
}

.auth-switch {
  margin: 14px 0 0;
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 6px;
}

.auth-switch .link-btn {
  font-size: 13px;
}

.auth-extra {
  margin: 8px 0 0;
  text-align: right;
}

.auth-extra .link-btn {
  font-size: 13px;
  padding: 0;
}

.help-step em {
  font-style: normal;
}

/* Header */
header {
  position: fixed;
  top: 32px;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--header);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(16px);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 16px;
  max-width: 1180px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-size: 1.15rem;
  font-weight: 700;
  white-space: nowrap;
}

.logo-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(145deg, var(--primary), #0ea5b8);
  color: #041018;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  box-shadow: 0 0 20px rgba(46, 230, 255, 0.35);
}

.search-box {
  flex: 1;
  display: flex;
  max-width: 520px;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: rgba(8, 14, 28, 0.9);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.search-box:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(46, 230, 255, 0.12);
}

.search-box input {
  flex: 1;
  border: none;
  padding: 10px 14px;
  font-size: 14px;
  outline: none;
  background: transparent;
  color: var(--text);
  font-family: var(--font-body);
}

.search-box input::placeholder {
  color: #5f7394;
}

.search-box button {
  background: linear-gradient(135deg, var(--primary), var(--primary-dim));
  color: #041018;
  border: none;
  padding: 0 20px;
  font-family: var(--font-ui);
  font-weight: 700;
  cursor: pointer;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

.header-cart,
.header-chat {
  position: relative;
  background: rgba(46, 230, 255, 0.06);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font-ui);
  letter-spacing: 0.03em;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.header-cart:hover,
.header-chat:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(46, 230, 255, 0.12);
}

.cart-badge,
.chat-unread {
  position: absolute;
  top: -6px;
  right: -6px;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  background: var(--accent);
  color: #fff;
  border-radius: 10px;
  font-size: 11px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 22px;
  cursor: pointer;
}

nav {
  display: flex;
  gap: 24px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 16px 12px;
}

nav a {
  color: var(--text-muted);
  font-size: 14px;
  font-family: var(--font-ui);
  font-weight: 600;
  letter-spacing: 0.04em;
  position: relative;
  padding-bottom: 4px;
}

nav a:hover,
nav a.active {
  color: var(--primary);
}

nav a.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  box-shadow: 0 0 8px rgba(46, 230, 255, 0.6);
}

/* Banner */
.mall-banner {
  padding: 40px 0 28px;
  position: relative;
  overflow: hidden;
}

.banner-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  align-items: stretch;
}

.banner-main-solo {
  max-width: 720px;
}

.banner-main {
  position: relative;
  background:
    linear-gradient(145deg, rgba(16, 28, 52, 0.92), rgba(10, 16, 30, 0.95)),
    url("/images/hero.jpg") center/cover;
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 40px 32px;
  overflow: hidden;
  animation: fadeUp 0.7s ease both;
}

.banner-main::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, rgba(7, 11, 20, 0.82), rgba(7, 11, 20, 0.55)),
    linear-gradient(90deg, transparent, rgba(46, 230, 255, 0.08), transparent);
  background-size: auto, 200% 100%;
  animation: scanLine 6s linear infinite;
  pointer-events: none;
}

.banner-main > * {
  position: relative;
  z-index: 1;
}

@keyframes scanLine {
  0% { background-position: 0 0, -100% 0; }
  100% { background-position: 0 0, 200% 0; }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

.banner-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-size: 13px;
  margin-bottom: 14px;
  font-family: var(--font-ui);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 0 0 rgba(46, 230, 255, 0.6);
  animation: pulse 1.8s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(46, 230, 255, 0.55); }
  70% { box-shadow: 0 0 0 10px rgba(46, 230, 255, 0); }
  100% { box-shadow: 0 0 0 0 rgba(46, 230, 255, 0); }
}

.banner-main h1 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: 10px;
  background: linear-gradient(90deg, #fff 20%, var(--primary) 80%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.banner-tagline {
  font-family: var(--font-ui);
  font-size: 1.15rem;
  color: #b8c7e0;
  letter-spacing: 0.08em;
  margin-bottom: 10px !important;
}

.banner-main p {
  color: var(--text-muted);
  margin-bottom: 22px;
  max-width: 520px;
}

.banner-side {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  animation: fadeUp 0.7s ease 0.12s both;
}

.side-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 8px;
  padding: 18px 16px;
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--text);
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  text-decoration: none;
}

.side-card:hover {
  transform: translateY(-3px);
  border-color: rgba(46, 230, 255, 0.45);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.35), 0 0 24px rgba(46, 230, 255, 0.08);
}

.side-icon {
  font-family: var(--font-display);
  font-size: 12px;
  color: var(--primary);
  opacity: 0.85;
}

/* Products */
.products-section {
  padding: 28px 0 40px;
}

.section-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
}

.section-bar h2 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: 0.06em;
}

.category-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.category-tabs button {
  border: 1px solid var(--border);
  background: rgba(13, 20, 36, 0.8);
  color: var(--text-muted);
  padding: 6px 14px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
  font-family: var(--font-ui);
  font-weight: 600;
  transition: all 0.2s;
}

.category-tabs button.active,
.category-tabs button:hover {
  background: rgba(46, 230, 255, 0.12);
  border-color: var(--primary);
  color: var(--primary);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}

.category-block {
  margin-bottom: 36px;
  scroll-margin-top: 140px;
}

.category-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.category-head h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.category-head p {
  color: var(--text-muted);
  font-size: 13px;
}

.category-count {
  flex-shrink: 0;
  font-family: var(--font-ui);
  font-size: 13px;
  color: var(--primary);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 12px;
}

.empty-products {
  grid-column: 1 / -1;
  text-align: center;
  padding: 48px;
  color: var(--text-muted);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.card {
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(8px);
}

.card:hover {
  transform: translateY(-6px);
  border-color: rgba(46, 230, 255, 0.4);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4), 0 0 30px rgba(46, 230, 255, 0.1);
}

.card-img-wrap {
  position: relative;
  background: #0a101c;
  overflow: hidden;
}

.card-img-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(7, 11, 20, 0.55), transparent 45%);
  pointer-events: none;
}

.card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
  transition: transform 0.45s ease;
}

.card:hover img {
  transform: scale(1.06);
}

.card-tag {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 1;
  background: rgba(255, 122, 24, 0.92);
  color: #fff;
  font-size: 11px;
  padding: 3px 9px;
  border-radius: 6px;
  font-family: var(--font-ui);
  font-weight: 700;
  letter-spacing: 0.04em;
}

.card-body {
  padding: 14px 14px 0;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-body h3 {
  font-size: 15px;
  margin-bottom: 6px;
  line-height: 1.4;
  font-weight: 700;
}

.card-desc {
  color: var(--text-muted);
  font-size: 12px;
  margin-bottom: 12px;
  flex: 1;
}

.card-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.card-link {
  display: block;
  color: inherit;
  flex: 1;
}

.card-link:hover h3 {
  color: var(--primary);
}

.card-bottom-pad {
  padding: 0 14px 14px;
}

.card-price {
  color: var(--primary);
  font-size: 1.4rem;
  font-weight: 700;
  font-family: var(--font-ui);
}

.card-price small {
  font-size: 13px;
}

/* Services */
.services {
  background: rgba(13, 20, 36, 0.65);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 22px 0;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.service-item {
  text-align: center;
  padding: 12px 8px;
  border-radius: 10px;
  border: 1px solid transparent;
  transition: border-color 0.2s, background 0.2s;
}

.service-item:hover {
  border-color: var(--border);
  background: rgba(46, 230, 255, 0.04);
}

.service-item strong {
  display: block;
  color: var(--primary);
  margin-bottom: 4px;
  font-size: 14px;
  font-family: var(--font-ui);
  letter-spacing: 0.04em;
}

.service-item span {
  font-size: 12px;
  color: var(--text-muted);
}

.orders-help,
#contact {
  padding: 52px 0;
}

.section-title {
  text-align: center;
  font-size: 1.5rem;
  margin-bottom: 8px;
  font-family: var(--font-display);
  letter-spacing: 0.06em;
}

.section-subtitle {
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 28px;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.help-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.help-step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px 14px;
  text-align: center;
  font-size: 14px;
  transition: transform 0.25s ease, border-color 0.25s;
}

.help-step:hover {
  transform: translateY(-4px);
  border-color: rgba(46, 230, 255, 0.4);
}

.help-step span {
  display: inline-flex;
  width: 30px;
  height: 30px;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg, var(--primary), var(--primary-dim));
  color: #041018;
  border-radius: 50%;
  font-weight: 700;
  font-family: var(--font-display);
  font-size: 12px;
  margin-bottom: 10px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.contact-item {
  display: flex;
  gap: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  transition: border-color 0.2s;
}

.contact-item:hover {
  border-color: rgba(46, 230, 255, 0.4);
}

.contact-item .icon {
  font-size: 22px;
}

.contact-item h4 {
  font-size: 14px;
  margin-bottom: 2px;
  color: var(--primary);
}

.contact-item p {
  color: var(--text-muted);
  font-size: 13px;
}

.contact-form,
.checkout-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}

.form-group {
  margin-bottom: 14px;
}

.form-group label {
  display: block;
  font-size: 13px;
  margin-bottom: 6px;
  color: var(--text-muted);
}

.form-group input,
.form-group textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 14px;
  font-family: inherit;
  outline: none;
  background: rgba(7, 11, 20, 0.75);
  color: var(--text);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(46, 230, 255, 0.12);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

footer {
  background: #04080f;
  color: var(--text-muted);
  text-align: center;
  padding: 36px 16px;
  border-top: 1px solid var(--border);
}

.footer-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 18px;
  margin-bottom: 12px;
}

.footer-links a,
.footer-links .link-btn {
  color: #b8c7e0;
  font-size: 14px;
}

.footer-payments {
  color: var(--primary) !important;
  margin-bottom: 8px;
  font-family: var(--font-ui);
}

/* Modals */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 14, 0.72);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1500;
  padding: 16px;
  backdrop-filter: blur(6px);
}

.modal-overlay.show {
  display: flex;
}

.modal {
  width: 100%;
  max-width: 440px;
  max-height: 90vh;
  background: linear-gradient(180deg, #121a2e, #0b1220);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.55), 0 0 40px rgba(46, 230, 255, 0.08);
}

.modal-wide {
  max-width: 560px;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
}

.modal-header h3 {
  font-size: 16px;
  font-family: var(--font-ui);
  letter-spacing: 0.04em;
}

.modal-close {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--text-muted);
}

.modal-body {
  padding: 16px 18px;
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  padding: 14px 18px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.cart-item {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}

.cart-item img {
  width: 64px;
  height: 64px;
  object-fit: cover;
  border-radius: 8px;
}

.cart-item-info {
  flex: 1;
}

.cart-item-title {
  font-size: 13px;
  margin-bottom: 4px;
}

.cart-item-price {
  color: var(--primary);
  font-weight: bold;
  font-size: 14px;
}

.qty-row {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}

.qty-row button {
  width: 28px;
  height: 28px;
  border: none;
  background: rgba(46, 230, 255, 0.08);
  color: var(--text);
  cursor: pointer;
  font-size: 16px;
}

.qty-row span {
  min-width: 20px;
  text-align: center;
  font-size: 13px;
}

.cart-remove {
  border: none;
  background: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 13px;
}

.cart-empty {
  text-align: center;
  padding: 40px 12px;
  color: var(--text-muted);
}

.cart-total span,
.checkout-summary strong {
  color: var(--primary);
  font-size: 22px;
  font-family: var(--font-ui);
}

.checkout-hint {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 14px;
  background: rgba(46, 230, 255, 0.06);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
}

.checkout-form {
  border: none;
  padding: 16px 18px;
  background: transparent;
}

.payment-methods {
  margin: 8px 0 16px;
}

.payment-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.payment-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.payment-option {
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 13px;
  cursor: pointer;
  background: rgba(7, 11, 20, 0.5);
}

.payment-option:has(input:checked) {
  border-color: var(--primary);
  background: rgba(46, 230, 255, 0.1);
}

.checkout-summary {
  text-align: right;
  margin-bottom: 14px;
  font-size: 15px;
}

.success-box {
  text-align: center;
  padding: 8px 0;
}

.order-id-label {
  margin-top: 12px;
  color: var(--text-muted);
  font-size: 13px;
}

.order-id {
  font-size: 1.25rem;
  font-weight: bold;
  color: var(--primary);
  letter-spacing: 0.5px;
  margin: 8px 0 14px;
  word-break: break-all;
  font-family: var(--font-display);
}

.success-tip,
.success-addr {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 8px;
}

.lookup-result {
  margin-top: 16px;
}

.lookup-empty {
  color: var(--danger);
  font-size: 14px;
}

.order-card {
  background: rgba(7, 11, 20, 0.6);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
  font-size: 13px;
}

.order-card-head {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
  color: var(--primary);
}

.order-card ul {
  margin: 10px 0;
  padding-left: 18px;
}

.order-total {
  font-weight: bold;
  color: var(--primary);
  font-size: 15px;
}

/* Chat */
.chat-widget {
  position: fixed;
  top: 128px;
  right: 16px;
  z-index: 1800;
}

.chat-panel {
  width: min(360px, calc(100vw - 24px));
  height: 460px;
  max-height: calc(100vh - 140px);
  background: linear-gradient(180deg, #121a2e, #0b1220);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5), 0 0 30px rgba(46, 230, 255, 0.1);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.chat-panel[hidden] {
  display: none;
}

.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  background: rgba(7, 11, 20, 0.95);
  border-bottom: 1px solid var(--border);
  color: #fff;
}

.chat-agent {
  display: flex;
  align-items: center;
  gap: 10px;
}

.chat-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--primary), var(--primary-dim));
  color: #041018;
  font-weight: bold;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.chat-agent-name {
  font-size: 14px;
  font-weight: bold;
}

.chat-agent-status {
  font-size: 11px;
  color: #6ee7b7;
}

.chat-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 22px;
  cursor: pointer;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: rgba(7, 11, 20, 0.55);
}

.chat-bubble {
  max-width: 82%;
  padding: 10px 12px;
  border-radius: 12px;
  font-size: 13px;
  line-height: 1.5;
  word-break: break-word;
}

.chat-bubble.bot {
  align-self: flex-start;
  background: rgba(16, 24, 42, 0.95);
  border: 1px solid var(--border);
  border-bottom-left-radius: 4px;
}

.chat-bubble.user {
  align-self: flex-end;
  background: rgba(46, 230, 255, 0.12);
  border: 1px solid rgba(46, 230, 255, 0.35);
  border-bottom-right-radius: 4px;
}

.chat-time {
  font-size: 10px;
  color: #64748b;
  margin-top: 4px;
}

.chat-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 8px 12px;
  border-top: 1px solid var(--border);
}

.chat-quick button {
  background: rgba(46, 230, 255, 0.06);
  border: 1px solid var(--border);
  color: var(--primary);
  border-radius: 8px;
  padding: 4px 10px;
  font-size: 12px;
  cursor: pointer;
}

.chat-input-row {
  display: flex;
  gap: 8px;
  padding: 10px 12px;
  border-top: 1px solid var(--border);
}

.chat-input-row input {
  flex: 1;
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 9px 12px;
  font-size: 13px;
  outline: none;
  background: rgba(7, 11, 20, 0.8);
  color: var(--text);
}

.chat-send {
  background: linear-gradient(135deg, var(--primary), var(--primary-dim));
  color: #041018;
  border: none;
  border-radius: 20px;
  padding: 0 14px;
  font-weight: bold;
  font-size: 13px;
  cursor: pointer;
}

.toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: rgba(16, 24, 42, 0.95);
  color: var(--primary);
  border: 1px solid var(--border);
  padding: 12px 24px;
  border-radius: 24px;
  font-size: 14px;
  z-index: 2000;
  opacity: 0;
  transition: all 0.3s;
  pointer-events: none;
  backdrop-filter: blur(8px);
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

@media (max-width: 900px) {
  .banner-grid,
  .services-grid,
  .help-steps,
  .contact-grid,
  .form-row {
    grid-template-columns: 1fr;
  }

  .banner-side {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  body {
    padding-top: 108px;
  }

  .search-box {
    order: 3;
    flex-basis: 100%;
    max-width: none;
  }

  .header-inner {
    flex-wrap: wrap;
  }

  nav {
    display: none;
    flex-direction: column;
    gap: 12px;
    padding: 12px 16px 16px;
    background: rgba(7, 11, 20, 0.98);
  }

  nav.open {
    display: flex;
  }

  .menu-toggle {
    display: block;
  }

  .chat-widget {
    top: 120px;
    right: 8px;
    left: 8px;
  }

  .chat-panel {
    width: 100%;
  }

  .top-bar-inner span {
    display: none;
  }

  .auth-user {
    max-width: 72px;
  }

  .auth-area {
    gap: 8px;
  }
}

/* Product detail page */
.detail-page {
  padding-top: 100px;
}

.detail-page header {
  top: 32px;
}

.detail-page header .header-inner {
  padding-bottom: 12px;
}

.detail-page nav {
  display: none;
}

.detail-main {
  padding: 20px 16px 48px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.breadcrumb a:hover {
  color: var(--primary);
}

.detail-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  margin-bottom: 20px;
  backdrop-filter: blur(8px);
}

.detail-gallery {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.detail-gallery-main {
  position: relative;
  background: #0a101c;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.detail-gallery-main img,
.detail-gallery img#detailMainImg {
  width: 100%;
  height: 360px;
  object-fit: cover;
  display: block;
}

.detail-thumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.detail-thumb {
  width: 64px;
  height: 64px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: #0a101c;
  cursor: pointer;
}

.detail-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.detail-thumb.active {
  border-color: var(--primary);
  box-shadow: 0 0 0 1px var(--primary);
}

.detail-promo {
  margin-top: 22px;
}

.detail-promo h2 {
  margin-bottom: 12px;
}

.detail-promo img {
  width: 100%;
  display: block;
  margin: 0 0 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
}

.detail-cat {
  color: var(--primary);
  font-size: 13px;
  font-weight: bold;
  margin-bottom: 6px;
  font-family: var(--font-ui);
  letter-spacing: 0.08em;
}

.detail-buy h1 {
  font-size: 1.5rem;
  margin-bottom: 10px;
  font-family: var(--font-display);
  letter-spacing: 0.02em;
}

.detail-brief {
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 16px;
}

.detail-price {
  color: var(--primary);
  font-size: 2rem;
  font-weight: bold;
  margin-bottom: 18px;
  font-family: var(--font-ui);
}

.detail-price small {
  font-size: 1rem;
}

.detail-qty-buy {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.detail-qty-buy label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-muted);
}

.detail-qty-buy input {
  width: 64px;
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: rgba(7, 11, 20, 0.8);
  color: var(--text);
}

.btn-outline-orange {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
  box-shadow: none;
}

.btn-outline-orange:hover {
  background: rgba(255, 122, 24, 0.12);
  box-shadow: 0 0 20px rgba(255, 122, 24, 0.2);
}

.detail-ship-tip {
  font-size: 12px;
  color: var(--text-muted);
}

.detail-tabs-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}

.detail-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border-bottom: 1px solid var(--border);
  background: rgba(7, 11, 20, 0.55);
}

.detail-tabs button {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  padding: 14px 18px;
  font-size: 14px;
  cursor: pointer;
  color: var(--text-muted);
  font-family: var(--font-ui);
  font-weight: 600;
}

.detail-tabs button.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  background: rgba(46, 230, 255, 0.05);
}

.detail-panel {
  display: none;
  padding: 24px;
}

.detail-panel.active {
  display: block;
}

.detail-panel h2 {
  font-size: 1.15rem;
  margin-bottom: 14px;
  font-family: var(--font-display);
  letter-spacing: 0.04em;
}

.detail-panel p {
  color: var(--text-muted);
  line-height: 1.8;
}

.feature-list {
  padding-left: 20px;
  color: var(--text);
}

.feature-list li {
  margin-bottom: 8px;
  line-height: 1.6;
}

.spec-table,
.pin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.spec-table th,
.spec-table td,
.pin-table th,
.pin-table td {
  border: 1px solid var(--border);
  padding: 10px 12px;
  text-align: left;
}

.spec-table th {
  width: 140px;
  background: rgba(46, 230, 255, 0.06);
  color: var(--text-muted);
  font-weight: normal;
}

.pin-table thead {
  background: rgba(46, 230, 255, 0.08);
}

.pin-note {
  margin-bottom: 12px !important;
  font-size: 13px;
}

.table-scroll {
  overflow-x: auto;
}

.detail-loading,
.detail-empty {
  text-align: center;
  padding: 60px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
}

.detail-empty h1 {
  margin-bottom: 16px;
}

.download-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.download-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(7, 11, 20, 0.55);
}

.download-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.download-format {
  font-size: 12px;
  color: var(--primary);
  font-family: var(--font-ui);
  letter-spacing: 0.06em;
}

.download-btn,
.download-btn-inline {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
}

.download-btn-inline {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--border);
  box-shadow: none;
}

.download-btn-inline:hover {
  border-color: var(--primary);
  background: rgba(46, 230, 255, 0.1);
}

@media (max-width: 768px) {
  .detail-hero {
    grid-template-columns: 1fr;
  }

  .detail-gallery-main img,
  .detail-gallery img#detailMainImg {
    height: 240px;
  }

  .detail-page {
    padding-top: 90px;
  }

  .download-list li {
    flex-direction: column;
    align-items: flex-start;
  }
}