/* CHECKNI · Violet Reference v1
   Visual-only override inspired by the approved dark/purple reference board.
   Product/commercial/runtime logic stays untouched. */

:root {
  --bg: #0b0c11;
  --surface: #141722;
  --surface-soft: #1b1f2c;
  --ink: #f8f8fc;
  --muted: #a8afbf;
  --line: rgba(255, 255, 255, 0.09);
  --accent: #7c3aed;
  --accent-strong: #9558ff;
  --accent-soft: #25183e;
  --shadow: 0 18px 48px rgba(0, 0, 0, 0.32);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 16px;
  color-scheme: dark;
}

html {
  background: #0b0c11;
}

body {
  background:
    radial-gradient(circle at 82% 2%, rgba(124, 58, 237, 0.18), transparent 24rem),
    radial-gradient(circle at 8% 28%, rgba(124, 58, 237, 0.10), transparent 22rem),
    #0b0c11;
  color: var(--ink);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  opacity: 0.34;
  background-image:
    linear-gradient(rgba(124, 58, 237, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124, 58, 237, 0.055) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(to bottom, #000, transparent 55%);
}

button:focus-visible,
input:focus-visible,
a:focus-visible {
  outline-color: rgba(149, 88, 255, 0.72);
}

.skip-link {
  background: #f8f8fc;
  color: #0b0c11;
}

/* Header / brand */
.app-header {
  width: min(1180px, calc(100% - 28px));
  min-height: 72px;
  padding-top: 4px;
}

.brand {
  gap: 9px;
}

.brand-mark {
  position: relative;
  width: 38px;
  height: 38px;
  border-radius: 11px;
  background:
    linear-gradient(145deg, #8f4cff, #5d28bd);
  color: #fff;
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.08) inset,
    0 8px 24px rgba(124, 58, 237, 0.26);
  font-size: 18px;
  letter-spacing: -0.08em;
}

.brand-mark::after {
  content: "";
  position: absolute;
  right: -5px;
  top: -5px;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: #a875ff;
  box-shadow: -8px 8px 0 #6d35d5;
}

.brand-word {
  font-size: 24px;
  font-weight: 900;
  letter-spacing: -0.045em;
  text-transform: none;
  color: #f7f7fb;
}

.brand-word::after {
  content: "Ni";
  color: #8b4cff;
}

.brand-word {
  font-size: 0;
}

.brand-word::before {
  content: "Check";
  color: #f7f7fb;
  font-size: 24px;
}

.brand-word::after {
  font-size: 24px;
}

.demo-badge,
.mock-chip {
  border-color: rgba(149, 88, 255, 0.25);
  background: rgba(124, 58, 237, 0.13);
  color: #c9afff;
}

/* Main shell */
.app-shell {
  width: min(1180px, calc(100% - 28px));
  padding-top: 26px;
}

/* Hero */
.hero {
  position: relative;
  max-width: 920px;
  margin-bottom: 42px;
  padding: 20px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 28px;
  background:
    radial-gradient(circle at 82% 12%, rgba(139, 76, 255, 0.30), transparent 24rem),
    linear-gradient(160deg, rgba(22,25,38,0.96), rgba(12,13,19,0.98));
  box-shadow: 0 22px 60px rgba(0,0,0,0.34);
}

.hero::after {
  content: "";
  position: absolute;
  right: 24px;
  top: 22px;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  background: #8b4cff;
  box-shadow:
    -16px 18px 0 rgba(139,76,255,0.66),
    12px 34px 0 rgba(139,76,255,0.36);
}

.hero-identity {
  position: relative;
  min-height: 150px;
  margin: -8px -4px 6px;
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  pointer-events: none;
}

.hero-mascot {
  width: min(310px, 68vw);
  max-height: 190px;
  object-fit: contain;
  object-position: right bottom;
  filter: drop-shadow(0 18px 24px rgba(0,0,0,0.35));
}

.hero-identity::after {
  content: "";
  position: absolute;
  right: 8px;
  bottom: 14px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: transparent;
  pointer-events: none;
}

.hero-identity[data-mascot-state="searching"] .hero-mascot {
  animation: checkni-mascot-search 1.15s ease-in-out infinite alternate;
}

.hero-identity[data-mascot-state="checking"] .hero-mascot {
  animation: checkni-mascot-check 0.95s ease-in-out infinite alternate;
}

.hero-identity[data-mascot-state="curious"] .hero-mascot {
  transform: rotate(-1.5deg) translateY(-1px);
}

.hero-identity[data-mascot-state="found"] .hero-mascot {
  transform: translateY(-3px) scale(1.015);
}

.hero-identity[data-mascot-state="partial"] .hero-mascot {
  filter: drop-shadow(0 18px 24px rgba(0,0,0,0.35)) saturate(0.88);
}

.hero-identity[data-mascot-state="error"] .hero-mascot {
  filter: drop-shadow(0 18px 24px rgba(0,0,0,0.35)) saturate(0.68);
  transform: translateY(2px);
}

.hero-identity[data-mascot-state="big_saving"] .hero-mascot {
  transform: translateY(-4px) scale(1.025);
  filter:
    drop-shadow(0 18px 24px rgba(0,0,0,0.35))
    drop-shadow(0 0 18px rgba(139,76,255,0.34));
}

.hero-identity[data-mascot-state="searching"]::after,
.hero-identity[data-mascot-state="checking"]::after,
.hero-identity[data-mascot-state="found"]::after,
.hero-identity[data-mascot-state="big_saving"]::after {
  background: #a875ff;
  box-shadow:
    -18px -20px 0 rgba(168,117,255,0.82),
    12px -38px 0 rgba(124,58,237,0.72),
    -34px -52px 0 rgba(124,58,237,0.42);
}

.hero-identity[data-mascot-state="error"] .hero-bubble {
  border-color: rgba(255,122,157,0.34);
  box-shadow: 0 12px 34px rgba(0,0,0,0.24), 0 0 0 2px rgba(255,122,157,0.08);
}

.hero-identity[data-mascot-state="big_saving"] .hero-bubble,
.hero-identity[data-mascot-state="found"] .hero-bubble {
  border-color: rgba(168,117,255,0.38);
  box-shadow: 0 12px 34px rgba(0,0,0,0.24), 0 0 0 2px rgba(124,58,237,0.10);
}

@keyframes checkni-mascot-search {
  from { transform: translateY(1px) rotate(-0.6deg); }
  to { transform: translateY(-4px) rotate(0.8deg); }
}

@keyframes checkni-mascot-check {
  from { transform: translateX(-2px) translateY(0); }
  to { transform: translateX(2px) translateY(-2px); }
}

.hero-bubble {
  position: absolute;
  left: 2px;
  top: 10px;
  max-width: 165px;
  padding: 12px 14px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 16px 16px 16px 4px;
  background: #f8f8fc;
  color: #101218;
  box-shadow: 0 12px 34px rgba(0,0,0,0.24);
  font-size: 14px;
  font-weight: 850;
  line-height: 1.2;
}

.hero .eyebrow {
  color: #ad8aff;
}

h1 {
  color: #fff;
  font-size: clamp(38px, 7vw, 64px);
}

.hero-copy {
  color: #b8bfce;
}

.phrase-entry-primary {
  border-color: rgba(149,88,255,0.22);
  background: rgba(16,18,27,0.80);
  box-shadow: none;
}

.proposal-box input,
.search-box {
  border-color: rgba(255,255,255,0.09);
  background: #171a25;
  color: #f8f8fc;
}

.proposal-box input::placeholder,
.search-box input::placeholder {
  color: #737b8d;
}

.proposal-box input:focus,
.search-box:focus-within {
  border-color: rgba(149,88,255,0.68);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.12);
}

.proposal-submit,
.primary-button,
a.primary-button,
.add-button {
  background: linear-gradient(135deg, #8d48ff, #6e30dc);
  color: #fff;
  box-shadow: 0 10px 24px rgba(124,58,237,0.24);
}

.proposal-submit:hover,
.primary-button:hover,
a.primary-button:hover,
.add-button:hover {
  background: linear-gradient(135deg, #a064ff, #7b3ce9);
}

.proposal-submit:disabled,
.primary-button:disabled,
.add-button[aria-disabled="true"] {
  background: #2b2f3b;
  color: #70798b;
  box-shadow: none;
}

.field-help,
.manual-divider,
.comparison-progress,
.comparison-step > p:not(.eyebrow),
.comparison-result > p,
.beta-live-card > p:not(.eyebrow),
.stores-copy,
.stores-list-note {
  color: #9fa7b7;
}

.manual-divider::before,
.manual-divider::after {
  background: rgba(255,255,255,0.08);
}

/* Cards / catalog */
.catalog-section {
  margin-top: 14px;
}

.section-heading h2,
.basket-heading h1 {
  color: #fff;
}

.result-count {
  border: 1px solid rgba(149,88,255,0.20);
  background: #171a25;
  color: #c7b1f7;
  box-shadow: none;
}

.product-grid {
  gap: 12px;
}

.product-card,
.basket-row,
.basket-summary,
.empty-state,
.beta-live-card,
.future-step,
.aggregator-checks,
.retail-catalog-nav,
.snapshot-store,
.home-example {
  border-color: rgba(255,255,255,0.08);
  background: #141722;
  color: #f8f8fc;
  box-shadow: 0 12px 34px rgba(0,0,0,0.16);
}

.product-card {
  overflow: hidden;
}

.product-visual,
.product-visual.retail-photo-fallback {
  border: 0;
  background:
    radial-gradient(circle at 50% 12%, rgba(139,76,255,0.15), transparent 55%),
    #1b1f2c;
  color: #777f91;
}

.product-visual.has-photo,
.product-photo {
  background: #f4f4f7;
}

.product-price strong,
.product-card h3,
.basket-item-info h2 {
  color: #fff;
}

.product-unit,
.product-category,
.basket-item-info p {
  color: #9da5b5;
}

.add-button.is-added {
  background: #2a1b48;
  color: #cdb4ff;
  box-shadow: inset 0 0 0 1px rgba(149,88,255,0.24);
}

.icon-button,
.stepper-button,
.back-button,
.remove-button {
  border-color: rgba(255,255,255,0.08);
  background: #1a1e29;
  color: #f4f4f8;
}

.remove-button {
  color: #ff7a9d;
}

.stepper {
  border-color: rgba(255,255,255,0.08);
  background: #171a25;
}

.catalog-sort select,
.aggregator-link,
.retail-category-back,
.retail-category-button,
.retail-store-card,
.retail-breadcrumbs button {
  border-color: rgba(255,255,255,0.08);
  background: #171a25;
  color: #f7f7fb;
}

.retail-store-card {
  box-shadow: none;
}

.retail-store-card.is-selected {
  border-color: rgba(149,88,255,0.56);
  box-shadow: 0 0 0 2px rgba(124,58,237,0.12);
}

.retail-store-logo {
  background: linear-gradient(145deg, #7c3aed, #5120a7);
}

.retail-store-total,
.retail-category-button .retail-category-arrow,
.text-button,
.share-button {
  color: #a875ff;
}

.retail-category-button:hover,
.retail-category-button:focus-visible {
  border-color: rgba(149,88,255,0.48);
  background: #201632;
}

.retail-breadcrumbs .is-current {
  color: #fff;
}

/* Comparison / observed result */
.future-step {
  background:
    linear-gradient(180deg, rgba(124,58,237,0.08), transparent 70%),
    #141722;
}

.horek-found {
  border: 1px solid rgba(149,88,255,0.24);
  background: #17131f;
  color: #fff;
}

.horek-found .hf-icon {
  background: #24193b;
}

.hf-label,
.ticket-badge {
  color: #cbb4ff;
}

.ticket-badge {
  background: #2b1b49;
}

.snapshot-store[open] summary::before,
.snapshot-store[open] summary::after {
  border-color: rgba(255,255,255,0.08);
  background: #0b0c11;
}

.snapshot-store-total {
  color: #fff;
}

/* Empty / status */
.empty-state,
.basket-empty {
  border-color: rgba(149,88,255,0.20);
  background:
    radial-gradient(circle at 50% 0%, rgba(124,58,237,0.13), transparent 60%),
    #141722;
}

.empty-icon {
  color: #9c70f5;
}

/* Basket dock / nav */
.basket-dock-button {
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(20,23,34,0.96);
  box-shadow: 0 18px 44px rgba(0,0,0,0.38);
}

.basket-dock-button.has-items {
  background: linear-gradient(135deg, rgba(124,58,237,0.96), rgba(84,36,180,0.97));
}

.dock-arrow {
  background: rgba(255,255,255,0.10);
}

/* Toast */
.toast-region,
.toast {
  border: 1px solid rgba(255,255,255,0.08);
  background: #1a1e29;
  color: #fff;
  box-shadow: 0 18px 44px rgba(0,0,0,0.34);
}

/* Maps */
.stores-map {
  border-color: rgba(255,255,255,0.10);
  background: #151821;
}

.stores-map-attribution,
.stores-map-attribution a {
  color: #8991a2;
}

/* Mobile reference: 2 cards per row */
@media (max-width: 620px) {
  body {
    min-width: 0;
  }

  .app-header,
  .app-shell {
    width: min(100%, 1180px);
    padding-left: max(12px, env(safe-area-inset-left));
    padding-right: max(12px, env(safe-area-inset-right));
  }

  .app-header {
    min-height: calc(66px + env(safe-area-inset-top));
    padding-top: env(safe-area-inset-top);
  }

  .brand {
    min-height: 44px;
  }

  .app-shell {
    padding-top: 18px;
  }

  .brand-word::before,
  .brand-word::after {
    font-size: 22px;
  }

  .demo-badge {
    max-width: 116px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .hero {
    margin-bottom: 28px;
    padding: 16px;
    border-radius: 24px;
  }

  .hero-identity {
    min-height: 170px;
  }

  .hero-mascot {
    width: min(260px, 72vw);
    max-height: 200px;
  }

  .hero-bubble {
    max-width: 145px;
    padding: 10px 12px;
    font-size: 13px;
  }

  h1 {
    font-size: clamp(34px, 10vw, 44px);
    line-height: 1;
  }

  .hero-copy {
    font-size: 14px;
    line-height: 1.45;
  }

  .phrase-entry {
    padding: 12px;
  }

  .proposal-box {
    grid-template-columns: 1fr;
  }

  .proposal-box input,
  .proposal-submit {
    min-height: 52px;
  }

  .search-box {
    min-height: 54px;
  }

  .section-heading {
    flex-wrap: wrap;
  }

  .catalog-sort {
    flex: 1 1 100%;
    min-width: 0;
  }

  .catalog-sort select {
    width: 100%;
    max-width: 100%;
    min-height: 44px;
  }

  .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }

  .product-card {
    display: block;
    padding: 9px;
    border-radius: 16px;
  }

  .product-visual {
    width: 100%;
    min-height: 0;
    aspect-ratio: 1 / 0.86;
    border-radius: 12px;
  }

  .product-body {
    padding: 10px 2px 2px;
  }

  .product-meta {
    min-height: 24px;
  }

  .product-category {
    display: none;
  }

  .product-card h3 {
    min-height: 2.5em;
    margin: 8px 0 3px;
    font-size: 14px;
    line-height: 1.22;
  }

  .product-unit {
    margin-bottom: 9px;
    font-size: 11px;
  }

  .add-button {
    min-height: 44px;
    border-radius: 11px;
    font-size: 12px;
  }

  .retail-store-grid {
    grid-template-columns: 1fr;
  }

  .retail-category-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .basket-row {
    grid-template-columns: 1fr;
  }

  .retail-category-back,
  .retail-breadcrumbs button,
  .retail-breadcrumbs .is-current {
    min-height: 44px;
  }

  .basket-dock {
    left: max(10px, env(safe-area-inset-left));
    right: max(10px, env(safe-area-inset-right));
    width: auto;
    max-width: 520px;
    margin-inline: auto;
    transform: none;
  }

  .product-card h3,
  .add-button,
  .basket-dock-button small {
    overflow-wrap: anywhere;
  }
}

@media (max-width: 350px) {
  .product-grid {
    gap: 8px;
  }

  .product-card {
    padding: 8px;
  }

  .product-card h3 {
    font-size: 13px;
  }
}

@media (prefers-reduced-motion: reduce) {
  body::before {
    display: none;
  }

  .hero-identity[data-mascot-state] .hero-mascot {
    animation: none !important;
    transition: none !important;
  }
}