/* VirtNumber — sales storefront tokens + themes */

:root,
html[data-theme="light"] {
  color-scheme: light;
  --vn-bg: #f3f6f8;
  --vn-bg-elevated: #ffffff;
  --vn-bg-muted: #eef2f5;
  --vn-ink: #0f172a;
  --vn-ink-muted: #5b677a;
  --vn-ink-faint: #8b97a8;
  --vn-line: #d7e0e8;
  --vn-accent: #0b7a75;
  --vn-accent-hover: #096663;
  --vn-accent-soft: rgba(11, 122, 117, 0.12);
  --vn-accent-glow: rgba(11, 122, 117, 0.22);
  --vn-ok: #0f7a4a;
  --vn-ok-soft: rgba(15, 122, 74, 0.12);
  --vn-warn: #a16207;
  --vn-warn-soft: rgba(161, 98, 7, 0.12);
  --vn-danger: #b42318;
  --vn-danger-soft: rgba(180, 35, 24, 0.1);
  --vn-header-bg: #f3f6f8;
  --vn-header-line: #d7e0e8;
  --vn-overlay: rgba(15, 23, 42, 0.45);
  --vn-shadow: 0 12px 32px rgba(15, 23, 42, 0.07);
  --vn-scrollbar: #8b97a8;
  --vn-scrollbar-track: #e8eef2;
  --vn-radius: 0.9rem;
  --vn-radius-sm: 0.65rem;
  --vn-font-display: "Syne", sans-serif;
  --vn-font-body: "Figtree", sans-serif;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --vn-bg: #0c1117;
  --vn-bg-elevated: #151b24;
  --vn-bg-muted: #1a222d;
  --vn-ink: #e8eef4;
  --vn-ink-muted: #9aa8b8;
  --vn-ink-faint: #6b7a8c;
  --vn-line: #2a3441;
  --vn-accent: #2dd4bf;
  --vn-accent-hover: #5eead4;
  --vn-accent-soft: rgba(45, 212, 191, 0.14);
  --vn-accent-glow: rgba(45, 212, 191, 0.18);
  --vn-ok: #34d399;
  --vn-ok-soft: rgba(52, 211, 153, 0.14);
  --vn-warn: #fbbf24;
  --vn-warn-soft: rgba(251, 191, 36, 0.14);
  --vn-danger: #f87171;
  --vn-danger-soft: rgba(248, 113, 113, 0.14);
  --vn-header-bg: #0c1117;
  --vn-header-line: #2a3441;
  --vn-overlay: rgba(0, 0, 0, 0.55);
  --vn-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
  --vn-scrollbar: #6b7a8c;
  --vn-scrollbar-track: #1a222d;
  --vn-radius: 0.9rem;
  --vn-radius-sm: 0.65rem;
  --vn-font-display: "Syne", sans-serif;
  --vn-font-body: "Figtree", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body.vn-body {
  margin: 0;
  min-height: 100%;
  font-family: var(--vn-font-body);
  color: var(--vn-ink);
  background: var(--vn-bg);
  -webkit-font-smoothing: antialiased;
}

.vn-display {
  font-family: var(--vn-font-display);
  letter-spacing: -0.03em;
}

.vn-shell {
  min-height: 100%;
  display: flex;
  flex-direction: column;
}

.vn-main {
  flex: 1;
  width: 100%;
  max-width: 72rem;
  margin: 0 auto;
  padding: 1.25rem 1rem 2.5rem;
}

.vn-main--flush {
  max-width: none;
  padding: 0;
}

.vn-header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid var(--vn-header-line);
  background: var(--vn-header-bg);
}

.vn-nav {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.vn-brand {
  font-family: var(--vn-font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--vn-ink);
  text-decoration: none;
  flex-shrink: 0;
}

.vn-brand span {
  color: var(--vn-accent);
}

.vn-nav-links {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.vn-nav-link {
  color: var(--vn-ink-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.35rem 0.45rem;
  transition: color 0.15s ease;
}

.vn-nav-link:hover,
.vn-nav-link.is-active {
  color: var(--vn-ink);
}

.vn-balance-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: var(--vn-bg-elevated);
  border: 1px solid var(--vn-line);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--vn-ink);
  text-decoration: none;
}

.vn-balance-chip:hover {
  border-color: var(--vn-accent);
}

.vn-theme-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.15rem;
  height: 2.15rem;
  border-radius: var(--vn-radius-sm);
  border: 1px solid var(--vn-line);
  background: var(--vn-bg-elevated);
  color: var(--vn-ink-muted);
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}

.vn-theme-btn:hover {
  border-color: var(--vn-accent);
  color: var(--vn-accent);
}

.vn-theme-btn .icon-sun,
html[data-theme="dark"] .vn-theme-btn .icon-moon {
  display: none;
}

html[data-theme="dark"] .vn-theme-btn .icon-sun {
  display: block;
}

html[data-theme="light"] .vn-theme-btn .icon-moon,
:root:not([data-theme]) .vn-theme-btn .icon-moon {
  display: block;
}

.vn-footer {
  border-top: 1px solid var(--vn-line);
  padding: 1rem;
  text-align: center;
  color: var(--vn-ink-faint);
  font-size: 0.8rem;
}

.btn-primary,
.btn-secondary,
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border-radius: var(--vn-radius-sm);
  padding: 0.65rem 1.05rem;
  font-family: var(--vn-font-body);
  font-size: 0.925rem;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease, color 0.15s ease;
}

.btn-primary {
  background: var(--vn-accent);
  color: #fff;
  box-shadow: 0 8px 20px var(--vn-accent-glow);
}

html[data-theme="dark"] .btn-primary {
  color: #042f2e;
}

.btn-primary:hover {
  background: var(--vn-accent-hover);
  transform: translateY(-1px);
}

.btn-primary:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-secondary {
  background: var(--vn-bg-elevated);
  color: var(--vn-ink);
  border-color: var(--vn-line);
}

.btn-secondary:hover {
  border-color: var(--vn-accent);
  color: var(--vn-accent);
}

.btn-ghost {
  background: transparent;
  color: var(--vn-ink-muted);
}

.btn-ghost:hover {
  color: var(--vn-ink);
  background: var(--vn-accent-soft);
}

.btn-sm {
  padding: 0.4rem 0.75rem;
  font-size: 0.82rem;
}

.vn-panel {
  background: var(--vn-bg-elevated);
  border: 1px solid var(--vn-line);
  border-radius: var(--vn-radius);
  box-shadow: var(--vn-shadow);
}

.vn-input {
  width: 100%;
  border: 1px solid var(--vn-line);
  background: var(--vn-bg-elevated);
  color: var(--vn-ink);
  border-radius: var(--vn-radius-sm);
  padding: 0.65rem 0.85rem;
  font: inherit;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.vn-input--search {
  padding-left: 2.5rem;
}

.vn-input:focus {
  border-color: var(--vn-accent);
  box-shadow: 0 0 0 3px var(--vn-accent-soft);
}

.vn-input::placeholder {
  color: var(--vn-ink-faint);
}

.vn-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--vn-ink-muted);
  margin-bottom: 0.35rem;
}

.vn-badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.2rem 0.65rem;
  font-size: 0.75rem;
  font-weight: 600;
  border: 1px solid transparent;
}

.vn-badge--ok {
  background: var(--vn-ok-soft);
  color: var(--vn-ok);
}

.vn-badge--warn {
  background: var(--vn-warn-soft);
  color: var(--vn-warn);
}

.vn-badge--danger {
  background: var(--vn-danger-soft);
  color: var(--vn-danger);
}

.price {
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.vn-alert {
  border-radius: var(--vn-radius-sm);
  padding: 0.75rem 0.95rem;
  font-size: 0.9rem;
}

.vn-alert--error {
  background: var(--vn-danger-soft);
  color: var(--vn-danger);
  border: 1px solid transparent;
}

.vn-alert--info {
  background: var(--vn-accent-soft);
  color: var(--vn-accent);
  border: 1px solid transparent;
}

/* Hero */
.vn-hero {
  position: relative;
  min-height: min(92dvh, 44rem);
  display: flex;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
}

.vn-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--vn-bg);
}

.vn-hero__inner {
  width: 100%;
  max-width: 72rem;
  margin: 0 auto;
  padding: 3.5rem 1rem 3rem;
}

.vn-hero__brand {
  font-family: var(--vn-font-display);
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 0.95;
  margin: 0;
  animation: vn-rise 0.7s ease both;
}

.vn-hero__brand span {
  color: var(--vn-accent);
}

.vn-hero__title {
  margin: 1rem 0 0;
  max-width: 18ch;
  font-family: var(--vn-font-display);
  font-size: clamp(1.45rem, 3.2vw, 2.1rem);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.15;
  animation: vn-rise 0.7s ease 0.08s both;
}

.vn-hero__lead {
  margin: 0.85rem 0 0;
  max-width: 34rem;
  font-size: 1.05rem;
  color: var(--vn-ink-muted);
  line-height: 1.55;
  animation: vn-rise 0.7s ease 0.16s both;
}

.vn-hero__cta {
  margin-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  animation: vn-rise 0.7s ease 0.24s both;
}

.vn-hero__visual {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.65rem;
  max-width: 34rem;
  animation: vn-rise 0.8s ease 0.32s both;
}

.vn-flow-step {
  background: var(--vn-bg-elevated);
  border: 1px solid var(--vn-line);
  border-radius: var(--vn-radius);
  padding: 0.9rem;
}

.vn-flow-step strong {
  display: block;
  font-family: var(--vn-font-display);
  font-size: 0.95rem;
  margin-bottom: 0.2rem;
  text-decoration: none;
}

.vn-flow-step span {
  font-size: 0.8rem;
  color: var(--vn-ink-muted);
}

@media (max-width: 640px) {
  .vn-hero__visual {
    grid-template-columns: 1fr;
  }
}

@keyframes vn-rise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes vn-pulse-code {
  0%,
  100% {
    box-shadow: 0 0 0 0 var(--vn-accent-glow);
  }
  50% {
    box-shadow: 0 0 0 8px transparent;
  }
}

.vn-code-pulse {
  animation: vn-pulse-code 1.8s ease-in-out infinite;
  border-radius: 0.4rem;
  display: inline-block;
  padding: 0.1rem 0.25rem;
}

/* Catalog: fixed-height workspace with internal scroll */
.catalog-workspace {
  height: min(28rem, calc(100dvh - 13rem));
  max-height: min(28rem, calc(100dvh - 13rem));
  align-items: stretch;
}

.catalog-col {
  display: flex;
  flex-direction: column;
  min-height: 0;
  height: 100%;
  max-height: 100%;
  overflow: hidden;
}

.catalog-list-scroll {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: scroll;
  overflow-x: hidden;
  scrollbar-gutter: stable;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--vn-scrollbar) var(--vn-scrollbar-track);
}

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

.catalog-list-scroll::-webkit-scrollbar-track {
  background: var(--vn-scrollbar-track);
  border-radius: 8px;
  margin: 4px 0;
}

.catalog-list-scroll::-webkit-scrollbar-thumb {
  background: var(--vn-scrollbar);
  border-radius: 8px;
  border: 2px solid var(--vn-scrollbar-track);
}

.catalog-list-scroll::-webkit-scrollbar-thumb:hover {
  background: var(--vn-ink-muted);
}

@media (max-width: 1023px) {
  .catalog-workspace {
    height: auto;
    max-height: none;
  }

  .catalog-col {
    height: auto;
    max-height: 18rem;
  }
}

.vn-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border-radius: 999px;
  border: 1px solid var(--vn-line);
  background: var(--vn-bg-elevated);
  padding: 0.35rem 0.7rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--vn-ink-muted);
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}

.vn-chip:hover,
.vn-chip.is-active {
  border-color: var(--vn-accent);
  color: var(--vn-accent);
  background: var(--vn-accent-soft);
}

.vn-seg {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  padding: 0.25rem;
  border-radius: 999px;
  background: var(--vn-bg-muted);
  border: 1px solid var(--vn-line);
}

.vn-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 60;
  background: var(--vn-overlay);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s ease;
}

.vn-modal-backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
}

.vn-modal {
  width: min(28rem, 100%);
  background: var(--vn-bg-elevated);
  color: var(--vn-ink);
  border-radius: 1.15rem 1.15rem 0.75rem 0.75rem;
  border: 1px solid var(--vn-line);
  box-shadow: var(--vn-shadow);
  padding: 1.2rem;
  transform: translateY(12px);
  transition: transform 0.18s ease;
}

.vn-modal-backdrop.is-open .vn-modal {
  transform: none;
}

@media (min-width: 640px) {
  .vn-modal-backdrop {
    align-items: center;
  }
  .vn-modal {
    border-radius: 1.15rem;
  }
}

.vn-sticky-buy {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 50;
  padding: 0.75rem 1rem calc(0.75rem + env(safe-area-inset-bottom));
  background: var(--vn-header-bg);
  border-top: 1px solid var(--vn-line);
  backdrop-filter: blur(12px);
  transform: translateY(110%);
  transition: transform 0.2s ease;
}

.vn-sticky-buy.is-visible {
  transform: none;
}

@media (min-width: 1024px) {
  .vn-sticky-buy {
    display: none !important;
  }
}

.vn-section {
  max-width: 72rem;
  margin: 0 auto;
  padding: 3rem 1rem;
}

.vn-section h2 {
  font-family: var(--vn-font-display);
  font-size: clamp(1.4rem, 2.8vw, 1.85rem);
  letter-spacing: -0.03em;
  margin: 0;
}

.vn-section p.lead {
  margin: 0.55rem 0 0;
  color: var(--vn-ink-muted);
  max-width: 36rem;
}

.vn-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 10rem;
  padding: 1.5rem;
  text-align: center;
  color: var(--vn-ink-muted);
  font-size: 0.95rem;
}

.vn-offer {
  border: 1px solid var(--vn-line);
  background: var(--vn-bg-elevated);
  border-radius: var(--vn-radius);
  padding: 1rem;
}

.vn-offer.is-selected {
  border-color: var(--vn-accent);
  background: var(--vn-accent-soft);
}

.vn-country-btn {
  display: flex;
  width: 100%;
  align-items: center;
  gap: 0.65rem;
  border-radius: 0.75rem;
  padding: 0.55rem 0.65rem;
  text-align: left;
  border: none;
  background: transparent;
  color: var(--vn-ink);
  cursor: pointer;
  transition: background 0.12s ease;
}

.vn-country-btn:hover {
  background: var(--vn-bg-muted);
}

.vn-country-btn.is-active {
  background: var(--vn-accent-soft);
}

@media (max-width: 720px) {
  .vn-nav-link--desktop {
    display: none;
  }
}