:root {
  --bg: #f5fbff;
  --surface: #ffffff;
  --surface-soft: #eef8ff;
  --ink: #15304a;
  --muted: #56718a;
  --line: #d4e7f5;
  --brand-blue: #2da7df;
  --brand-blue-deep: #0f73b8;
  --brand-red: #ef2e36;
  --brand-red-deep: #cf1824;
  --brand-gold: #f8b93d;
  --success-bg: #eefaf4;
  --success-line: #b5e0c4;
  --danger-bg: #fff0f1;
  --danger-line: #f5b7bd;
  --shadow: 0 18px 45px rgba(19, 80, 126, 0.12);
}

html {
  font-size: 16px;
}

body {
  margin: 0;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  font-family: "Barlow", sans-serif;
  color: var(--ink);
  background:
    linear-gradient(180deg, #f9fdff 0%, #eef8ff 45%, #f7fbfe 100%);
}

body::before,
body::after {
  content: "";
  position: fixed;
  z-index: -2;
  border-radius: 50%;
  pointer-events: none;
}

body::before {
  width: 44rem;
  height: 44rem;
  top: -18rem;
  right: -10rem;
  background: radial-gradient(circle, rgba(45, 167, 223, 0.23) 0%, rgba(45, 167, 223, 0) 70%);
}

body::after {
  width: 34rem;
  height: 34rem;
  left: -10rem;
  bottom: -12rem;
  background: radial-gradient(circle, rgba(239, 46, 54, 0.12) 0%, rgba(239, 46, 54, 0) 72%);
}

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

.page-backdrop {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(140deg, rgba(45, 167, 223, 0.08) 0%, rgba(45, 167, 223, 0) 32%),
    linear-gradient(315deg, rgba(239, 46, 54, 0.06) 0%, rgba(239, 46, 54, 0) 28%);
}

.app-shell {
  width: min(1320px, calc(100% - 2rem));
  margin: 1.2rem auto 2rem;
}

.topbar,
.hero-panel,
.catalog-panel,
.basket-panel,
.summary-panel,
.verification-panel,
.auth-card,
.table-card,
.summary-total.compact {
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  border-radius: 30px;
  padding: 1rem 1.4rem;
  margin-bottom: 1.4rem;
  position: relative;
  overflow: hidden;
}

.topbar::after {
  content: "";
  position: absolute;
  left: -4rem;
  bottom: -5.2rem;
  width: 22rem;
  height: 11rem;
  border-radius: 50%;
  background: linear-gradient(180deg, rgba(45, 167, 223, 0.26), rgba(45, 167, 223, 0.06));
}

.brand-lockup,
.topnav,
.topbar-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand-lockup {
  position: relative;
  z-index: 1;
}

.brand-mark {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 124px;
  height: 68px;
  flex: 0 0 auto;
}

.brand-phone {
  position: absolute;
  width: 40px;
  height: 58px;
  border: 5px solid var(--brand-blue);
  border-radius: 14px;
  background: white;
  transform: rotate(7deg);
  box-shadow: 0 6px 18px rgba(16, 115, 184, 0.18);
}

.brand-phone::before,
.brand-phone::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  background: var(--brand-blue);
  border-radius: 999px;
}

.brand-phone::before {
  top: 4px;
  width: 14px;
  height: 3px;
}

.brand-phone::after {
  bottom: 5px;
  width: 10px;
  height: 3px;
}

.brand-banner {
  position: relative;
  z-index: 1;
  display: inline-block;
  padding: 0.45rem 0.9rem;
  border: 4px solid white;
  background: linear-gradient(180deg, var(--brand-red), var(--brand-red-deep));
  color: white;
  font-family: "Montserrat", sans-serif;
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transform: skew(-18deg) rotate(-7deg);
  box-shadow: 0 12px 24px rgba(207, 24, 36, 0.24);
}

.brand-banner::before {
  content: "";
  position: absolute;
  inset: -4px;
  border: 1px solid rgba(255, 255, 255, 0.55);
  transform: skew(0deg);
}

.brand-banner {
  white-space: nowrap;
}

.brand-lockup strong,
.price,
h1,
h2,
h3 {
  font-family: "Montserrat", sans-serif;
}

.brand-lockup strong {
  display: block;
  font-size: 1.1rem;
}

.topnav a {
  position: relative;
  padding: 0.25rem 0;
  color: var(--muted);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.9rem;
}

.topnav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.2rem;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--brand-red), var(--brand-blue));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.18s ease;
}

.topnav a:hover::after,
.topnav a:focus-visible::after {
  transform: scaleX(1);
}

.topbar .btn-outline-light {
  border-color: var(--brand-blue);
  color: var(--brand-blue-deep);
  background: white;
}

.page-frame {
  padding-bottom: 1.5rem;
}

.hero-panel,
.page-heading,
.summary-total,
.basket-item,
.summary-row,
.basket-header,
.product-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.hero-panel,
.summary-panel,
.verification-panel,
.auth-card,
.table-card,
.catalog-panel,
.basket-panel {
  border-radius: 30px;
  padding: 1.55rem;
}

.hero-panel {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.98) 0%, rgba(236, 248, 255, 0.98) 100%);
}

.hero-panel::before {
  content: "";
  position: absolute;
  right: -2rem;
  bottom: -3.5rem;
  width: 24rem;
  height: 12rem;
  border-radius: 50%;
  background: linear-gradient(180deg, var(--brand-blue), #54c2ef);
}

.hero-panel::after {
  content: "";
  position: absolute;
  left: 1.5rem;
  top: 1rem;
  width: 74px;
  height: 6px;
  border-radius: 999px;
  background: var(--brand-red);
}

.hero-panel > * {
  position: relative;
  z-index: 1;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 0.55rem;
  color: var(--brand-red);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.75rem;
}

h1,
h2,
h3 {
  margin: 0;
  color: #12314e;
}

h1 {
  font-size: clamp(2rem, 4vw, 2.9rem);
}

h2 {
  font-size: 1.5rem;
}

.lede,
.muted,
.empty-copy {
  color: var(--muted);
}

.stat-chip,
.user-chip,
.provider-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border-radius: 999px;
  padding: 0.38rem 0.85rem;
  font-size: 0.88rem;
  font-weight: 700;
}

.stat-chip {
  background: linear-gradient(180deg, #fefefe, #e8f6ff);
  color: var(--brand-blue-deep);
  border: 1px solid #bee6fa;
}

.stat-chip strong {
  font-size: 1.15rem;
}

.user-chip {
  background: #f0f8ff;
  color: var(--brand-blue-deep);
  border: 1px solid #c7e8fb;
}

.catalog-layout,
.checkout-grid {
  display: grid;
  grid-template-columns: minmax(0, 2.25fr) minmax(300px, 0.82fr);
  gap: 1rem;
  margin-top: 1.3rem;
}

.catalog-panel,
.basket-panel,
.summary-panel,
.verification-panel,
.auth-card,
.table-card {
  position: relative;
  overflow: hidden;
}

.catalog-panel::before,
.basket-panel::before,
.summary-panel::before,
.verification-panel::before,
.auth-card::before,
.table-card::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 7px;
  background: linear-gradient(90deg, var(--brand-red) 0%, var(--brand-blue) 75%);
}

.provider-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-bottom: 1.15rem;
}

.provider-tab {
  padding: 0.7rem 1rem;
  border-radius: 999px;
  background: #eff8ff;
  color: var(--brand-blue-deep);
  font-weight: 800;
  border: 1px solid #c8e8fb;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.provider-tab.is-active {
  background: linear-gradient(180deg, var(--brand-red), var(--brand-red-deep));
  border-color: transparent;
  color: white;
  box-shadow: 0 14px 24px rgba(239, 46, 54, 0.22);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(185px, 1fr));
  gap: 0.9rem;
}

.product-card {
  border-radius: 24px;
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 1), rgba(241, 249, 255, 0.94));
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.product-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 30px rgba(29, 126, 183, 0.12);
  border-color: #b4ddf3;
}

.product-code {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand-red);
}

.product-title {
  font-size: 1rem;
  line-height: 1.24;
  overflow-wrap: anywhere;
  word-break: break-word;
  min-height: 2.45em;
}

.is-hidden {
  display: none !important;
}

.provider-pill {
  background: #fff4d7;
  color: #8b5a00;
}

.price {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--brand-blue-deep);
}

.product-form,
.stack-form,
.basket-footer,
.summary-list,
.basket-items {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.basket-item,
.summary-row {
  padding: 0.9rem 0;
  border-bottom: 1px dashed var(--line);
}

.basket-total span,
.summary-total span {
  display: block;
  color: var(--muted);
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.summary-total {
  padding-top: 1rem;
}

.summary-total.compact {
  margin: 1rem 0 1.25rem;
  padding: 1rem 1.25rem;
  border-radius: 24px;
  background: linear-gradient(180deg, #ffffff, #f3faff);
}

.auth-shell {
  display: grid;
  place-items: center;
  min-height: calc(100vh - 180px);
}

.auth-card {
  width: min(580px, 100%);
  background:
    radial-gradient(circle at top right, rgba(45, 167, 223, 0.11), rgba(45, 167, 223, 0) 30%),
    linear-gradient(180deg, #ffffff, #f5fbff);
}

.page-shell {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.table-card {
  overflow: hidden;
}

.table {
  margin-bottom: 0;
}

.table > :not(caption) > * > * {
  border-bottom-color: var(--line);
  color: var(--ink);
}

.table thead th {
  color: var(--brand-blue-deep);
  font-family: "Montserrat", sans-serif;
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.btn {
  border-radius: 16px;
  font-weight: 700;
}

.btn-primary {
  background: linear-gradient(180deg, var(--brand-red), var(--brand-red-deep));
  border-color: transparent;
  color: white;
  box-shadow: 0 14px 24px rgba(239, 46, 54, 0.2);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: linear-gradient(180deg, #ff4550, var(--brand-red));
  color: white;
}

.btn-outline-primary {
  border-color: #b8dff5;
  color: var(--brand-blue-deep);
  background: white;
}

.btn-outline-primary:hover,
.btn-outline-primary:focus-visible {
  border-color: var(--brand-blue);
  background: #edf9ff;
  color: var(--brand-blue-deep);
}

.btn-link {
  color: var(--brand-blue-deep);
  text-decoration: none;
}

.btn-link-danger {
  color: var(--brand-red-deep);
  padding: 0;
  font-size: 0.82rem;
}

.basket-item-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.25rem;
}

.is-over-balance {
  color: var(--brand-red-deep);
}

.is-disabled {
  opacity: 0.55;
  pointer-events: none;
}

.balance-warning,
.text-danger,
.field-validation-error {
  color: var(--brand-red-deep);
  font-weight: 700;
}

.form-control {
  border-radius: 16px;
  border-color: #cbe3f4;
  padding: 0.78rem 0.95rem;
}

.form-control:focus,
.btn:focus {
  box-shadow: 0 0 0 0.18rem rgba(45, 167, 223, 0.16);
  border-color: rgba(45, 167, 223, 0.5);
}

.alert {
  border-radius: 18px;
  border-width: 1px;
  margin-bottom: 1rem;
}

.alert-success {
  color: #0e6540;
  background: var(--success-bg);
  border-color: var(--success-line);
}

.alert-danger {
  color: #9b1c28;
  background: var(--danger-bg);
  border-color: var(--danger-line);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1rem;
  padding: 0.8rem 0.4rem 0;
  color: var(--muted);
  font-size: 0.92rem;
}

@media (max-width: 980px) {
  .catalog-layout,
  .checkout-grid {
    grid-template-columns: 1fr;
  }

  .topbar,
  .topnav,
  .topbar-actions,
  .hero-panel,
  .page-heading,
  .summary-total,
  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .app-shell {
    width: min(100% - 1rem, 1320px);
  }

  .hero-panel::before {
    width: 18rem;
    height: 9rem;
    right: -3rem;
    bottom: -3rem;
  }
}

@media (max-width: 640px) {
  .topbar,
  .hero-panel,
  .summary-panel,
  .verification-panel,
  .auth-card,
  .table-card,
  .catalog-panel,
  .basket-panel {
    border-radius: 24px;
    padding: 1.2rem;
  }

  .brand-mark {
    width: 108px;
    height: 60px;
  }

  .brand-banner {
    font-size: 0.82rem;
    padding: 0.4rem 0.72rem;
  }

  .product-grid {
    grid-template-columns: 1fr;
  }
}