:root {
  --canvas: #f0f2f8;
  --surface: #ffffff;
  --ink: #0a0c14;
  --muted: #6b7289;
  --border: rgba(186, 215, 247, 0.28);
  --glass-edge: rgba(186, 215, 247, 0.18);
  --violet: #663af3;
  --violet-light: #7c5cf5;
  --violet-soft: #c4b8ff;
  --violet-deep: #4f2fd4;
  --violet-wash: rgba(102, 58, 243, 0.28);
  --ice-highlight: #d8ecf8;
  --frost-glow: #d1e4fa;
  --shadow-card: 0 8px 24px rgba(10, 12, 20, 0.06), inset 0 0 0 1px rgba(186, 215, 247, 0.14);
  --shadow-pill: 0 4px 14px rgba(10, 12, 20, 0.05);
  --shadow-violet: 0 8px 28px var(--violet-wash);
  --radius-card: 20px;
  --radius-inner: 14px;
  --radius-pill: 999px;
  --font: "Inter", system-ui, -apple-system, sans-serif;
  --font-display: "Space Grotesk", var(--font);
  --max-width: 1200px;
  --tabbar-float-height: 58px;
  --tabbar-space: calc(var(--tabbar-float-height) + 24px + env(safe-area-inset-bottom));
  --banner-warn-bg: #fff8e6;
  --banner-warn-border: #ffe08a;
  --banner-error-bg: #fff0f0;
  --banner-error-border: #ffc9c9;
  --input-bg: #ffffff;
  --on-violet: #ffffff;
}

* { box-sizing: border-box; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.app {
  animation: fadeIn 0.35s ease;
}

.view:not(.hidden) {
  animation: fadeIn 0.3s ease;
}

.product-card {
  transition: box-shadow 0.2s ease;
}

.product-card:active {
  opacity: 0.92;
}

.chip,
.tab,
.stat,
.btn-primary,
.btn-danger,
.search-submit,
.status-banner {
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease,
    transform 0.15s ease, opacity 0.2s ease;
}

.detail:not(.hidden) .detail-card {
  animation: none;
}

.screen {
  transition: opacity 0.25s ease;
}

html {
  height: 100%;
  overflow: hidden;
  max-width: 100%;
  color-scheme: light;
}

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.33;
  letter-spacing: -0.031em;
}

body {
  height: 100%;
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-y: none;
  text-transform: lowercase;
}

.hidden { display: none !important; }

.app {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 16px 16px var(--tabbar-space);
}

.footer-actions {
  margin-top: 32px;
  padding-bottom: 8px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.screen--center {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.spinner {
  width: 36px;
  height: 36px;
  border: 2px solid var(--border);
  border-top-color: var(--violet);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.caption {
  font-size: 12px;
  color: var(--muted);
  margin: 0;
}

.caption.muted { color: #acb0aa; }

.body {
  font-size: 14px;
  color: var(--ink);
  margin: 0;
  line-height: 1.38;
}

.body.muted { color: var(--muted); }

.title-md {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.05em;
  margin: 0;
}

.title-sm {
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 6px;
}

.header {
  margin-bottom: 16px;
}

.brand {
  margin-bottom: 4px;
}

.brand-name {
  font-family: var(--font-display);
}

input,
textarea,
.preserve-case {
  text-transform: none;
}

#links {
  text-transform: none;
}

input::placeholder,
textarea::placeholder {
  text-transform: lowercase;
}

.chat-picker-root {
  position: relative;
  margin-top: 8px;
}

.chat-picker-field .chat-picker-root {
  margin-top: 0;
}

.chat-picker-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--input-bg);
  font: inherit;
  color: var(--ink);
  cursor: pointer;
  text-align: left;
}

.chat-picker-btn:active {
  transform: scale(0.99);
}

.chat-picker-label {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chat-picker-chevron {
  color: var(--muted);
  font-size: 14px;
  flex-shrink: 0;
}

.chat-picker-menu {
  position: absolute;
  left: 0;
  right: 0;
  top: calc(100% + 4px);
  z-index: 25;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow-card);
  max-height: min(240px, 40vh);
  overflow-y: auto;
}

.chat-picker-item {
  display: block;
  width: 100%;
  padding: 12px 14px;
  border: none;
  background: transparent;
  font: inherit;
  text-align: left;
  cursor: pointer;
  color: var(--ink);
}

.chat-picker-item:not(:last-child) {
  border-bottom: 1px solid var(--border);
}

.chat-picker-item.active {
  color: var(--violet);
  font-weight: 600;
}

.chat-picker-item:active {
  background: var(--canvas);
}

.btn-danger {
  width: 100%;
  margin-top: 8px;
  padding: 11px 14px;
  border: none;
  border-radius: 14px;
  background: #e53935;
  color: var(--on-violet);
  font: inherit;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.15s ease, opacity 0.2s ease;
}

.btn-danger:active {
  background: #c62828;
  transform: scale(0.98);
}

.btn-danger:disabled {
  opacity: 0.55;
  cursor: default;
}

.status-banner {
  background: var(--banner-warn-bg);
  border: 1px solid var(--banner-warn-border);
  border-radius: var(--radius-inner);
  padding: 12px 14px;
  margin-bottom: 16px;
  font-size: 14px;
}

.status-banner.error {
  background: var(--banner-error-bg);
  border-color: var(--banner-error-border);
}

.hint-card {
  background: var(--surface);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 18px;
  margin-top: 16px;
}

.hint-card code {
  background: var(--canvas);
  padding: 2px 6px;
  border-radius: 8px;
  font-size: 13px;
}

.search-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  background: color-mix(in srgb, var(--surface) 55%, transparent);
  border: 1px solid color-mix(in srgb, var(--glass-edge) 65%, transparent);
  border-radius: var(--radius-pill);
  padding: 6px 8px 6px 16px;
  box-shadow: none;
  margin-bottom: 16px;
}

.search-bar input {
  flex: 1;
  border: none;
  background: transparent;
  font: inherit;
  font-size: 15px;
  color: var(--ink);
  outline: none;
  min-width: 0;
}

.search-bar input::placeholder {
  color: color-mix(in srgb, var(--muted) 80%, transparent);
}

.search-submit {
  width: 36px;
  height: 36px;
  border: none;
  border-radius: 50%;
  background: color-mix(in srgb, var(--violet) 18%, transparent);
  color: color-mix(in srgb, var(--violet-light) 85%, var(--ink));
  font-size: 17px;
  line-height: 1;
  cursor: pointer;
  box-shadow: none;
  flex-shrink: 0;
  transition: background 0.2s ease, color 0.2s ease;
}

.search-submit:active {
  background: color-mix(in srgb, var(--violet) 30%, transparent);
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}

.stat {
  background: var(--surface);
  border-radius: var(--radius-inner);
  padding: 12px;
  box-shadow: var(--shadow-pill);
  text-align: center;
}

.stat strong {
  display: block;
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.05em;
}

.stat span {
  font-size: 11px;
  color: var(--muted);
}

.chips {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.chips--scroll {
  flex-wrap: nowrap;
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: x proximity;
  scrollbar-width: thin;
  scrollbar-color: var(--muted) transparent;
  padding: 4px 16px 12px;
  margin-left: -16px;
  margin-right: -16px;
}

.chips--scroll::-webkit-scrollbar {
  height: 4px;
}

.chips--scroll::-webkit-scrollbar-thumb {
  background: #c8c8c8;
  border-radius: 999px;
}

.chips--scroll .chip {
  scroll-snap-align: start;
}

.chips--wrap {
  flex-wrap: wrap;
  overflow: visible;
  padding-bottom: 4px;
}

.chip {
  flex: 0 0 auto;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-size: 14px;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  box-shadow: var(--shadow-pill);
}

.chip.active {
  border-color: var(--violet);
  color: var(--violet);
}

.chip-static {
  display: inline-block;
  font-size: 12px;
  color: var(--muted);
  background: var(--canvas);
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  margin-bottom: 8px;
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.catalog {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  align-items: stretch;
}

.catalog > .star-border-container {
  width: 100%;
  min-width: 0;
}

@media (max-width: 359px) {
  .catalog { grid-template-columns: 1fr; }
  .skeleton-grid { grid-template-columns: 1fr; }
}

@media (min-width: 480px) {
  .app { padding: 20px 20px calc(84px + env(safe-area-inset-bottom)); }
}

@media (min-width: 640px) {
  .catalog,
  .skeleton-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
  .app { padding: 24px 28px var(--tabbar-space); }
  .detail-sheet { max-width: 560px; margin: 0 auto; }
}

@media (min-width: 900px) {
  .catalog,
  .skeleton-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .form-card { max-width: 560px; margin-left: auto; margin-right: auto; }
  .stats-row { max-width: 480px; }
}

@media (min-width: 1100px) {
  .catalog,
  .skeleton-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 18px; }
}

.product-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  text-align: left;
  padding: 0;
  cursor: pointer;
  font: inherit;
  color: inherit;
  animation: cardIn 0.4s ease backwards;
  position: relative;
  width: 100%;
  display: block;
}

.star-border-container {
  --star-color: var(--violet);
  --star-speed: 6s;
  --star-thickness: 2px;
  display: block;
  position: relative;
  border-radius: var(--radius-card);
  overflow: hidden;
  width: 100%;
  min-width: 0;
  padding: var(--star-thickness) 0;
}

.star-border-container .border-gradient-bottom,
.star-border-container .border-gradient-top {
  position: absolute;
  width: 300%;
  height: 50%;
  opacity: 0.7;
  border-radius: 50%;
  z-index: 0;
  pointer-events: none;
  animation-timing-function: linear;
  animation-iteration-count: infinite;
  animation-direction: alternate;
}

.star-border-container .border-gradient-bottom {
  background: radial-gradient(circle, var(--star-color), transparent 10%);
  animation-name: star-movement-bottom;
  animation-duration: var(--star-speed);
  bottom: -12px;
  right: -250%;
}

.star-border-container .border-gradient-top {
  background: radial-gradient(circle, var(--star-color), transparent 10%);
  animation-name: star-movement-top;
  animation-duration: var(--star-speed);
  top: -12px;
  left: -250%;
}

.star-border-container .product-card.inner-content {
  position: relative;
  z-index: 1;
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  background: var(--surface);
  box-shadow: none;
  animation: none;
  overflow: hidden;
}

.star-border-container .product-card {
  border: none;
  box-shadow: none;
  animation: none;
}

.star-border-container.is-purchased {
  --star-color: color-mix(in srgb, var(--muted) 55%, var(--violet-soft));
  --star-speed: 10s;
}

.star-border-container.is-purchased .border-gradient-bottom,
.star-border-container.is-purchased .border-gradient-top {
  opacity: 0.35;
}

@keyframes star-movement-bottom {
  0% { transform: translate(0%, 0%); opacity: 1; }
  100% { transform: translate(-100%, 0%); opacity: 0; }
}

@keyframes star-movement-top {
  0% { transform: translate(0%, 0%); opacity: 1; }
  100% { transform: translate(100%, 0%); opacity: 0; }
}

.product-media {
  aspect-ratio: 1;
  background: var(--canvas);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: var(--radius-inner);
  margin: 8px;
  width: calc(100% - 16px);
  height: calc(100% - 16px);
}

.product-placeholder {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--canvas);
  border: 1px dashed var(--border);
  margin: auto;
}

.product-body { padding: 0 14px 14px; }

.product-meta {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 4px;
}

.product-category {
  font-size: 11px;
  color: var(--muted);
}

.product-priority {
  font-size: 11px;
  color: var(--violet);
}

.product-title {
  font-size: 14px;
  font-weight: 600;
  margin: 0 0 4px;
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-price {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin: 0 0 4px;
  color: var(--violet);
  font-variant-numeric: tabular-nums;
}

.product-author {
  font-size: 12px;
  color: var(--muted);
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.product-card.purchased { opacity: 0.65; }

.empty {
  grid-column: 1 / -1;
  background: var(--surface);
  border-radius: var(--radius-card);
  padding: 32px 20px;
  box-shadow: var(--shadow-pill);
  color: var(--muted);
  font-size: 14px;
}

.form-card {
  background: var(--surface);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 20px;
  display: grid;
  gap: 18px;
  margin-bottom: 24px;
}

.field { display: grid; gap: 8px; }

.field-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
}

.input, .textarea {
  width: 100%;
  border: 1px solid var(--glass-edge);
  border-radius: var(--radius-inner);
  background: var(--input-bg);
  color: var(--ink);
  padding: 12px 16px;
  font: inherit;
  font-size: 16px;
  outline: none;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.input::placeholder,
.textarea::placeholder {
  color: color-mix(in srgb, var(--muted) 72%, transparent);
}

.textarea {
  resize: vertical;
  min-height: 88px;
}

.input:focus, .textarea:focus {
  border-color: color-mix(in srgb, var(--violet) 55%, var(--glass-edge));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    0 0 0 3px color-mix(in srgb, var(--violet) 14%, transparent);
}

.photo-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.photo-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface);
  font-size: 24px;
  cursor: pointer;
}

.photo-preview {
  width: 48px;
  height: 48px;
  object-fit: cover;
  border-radius: 12px;
}

.priority-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.priority-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface);
  font: inherit;
  font-size: 14px;
  cursor: pointer;
}

.priority-btn.active {
  background: var(--violet);
  border-color: var(--violet);
  color: var(--on-violet);
}

.btn-primary {
  width: 100%;
  border: none;
  border-radius: var(--radius-pill);
  background: var(--violet);
  color: var(--on-violet);
  font: inherit;
  font-size: 16px;
  font-weight: 600;
  padding: 14px 20px;
  cursor: pointer;
  box-shadow: var(--shadow-violet);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: default;
}

.tabbar {
  position: fixed;
  left: 50%;
  right: auto;
  width: min(calc(100% - 32px), 420px);
  transform: translateX(-50%);
  bottom: calc(12px + env(safe-area-inset-bottom));
  z-index: 20;
  padding: 0;
  background: transparent;
  border: none;
  box-shadow: none;
  height: auto;
}

.tabbar-float {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4px;
  min-height: var(--tabbar-float-height);
  padding: 5px;
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--surface) 94%, transparent);
  border: 1px solid var(--glass-edge);
  box-shadow:
    0 12px 40px rgba(10, 12, 20, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.65);
  backdrop-filter: blur(18px) saturate(1.2);
  -webkit-backdrop-filter: blur(18px) saturate(1.2);
}

.tab {
  position: relative;
  z-index: 1;
  flex: 0 0 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 48px;
  min-height: 48px;
  border: none;
  background: transparent;
  color: var(--muted);
  font: inherit;
  cursor: pointer;
  padding: 0;
  border-radius: var(--radius-pill);
  transition:
    flex 0.38s cubic-bezier(0.34, 1.15, 0.64, 1),
    color 0.25s ease,
    background 0.32s ease,
    box-shadow 0.32s ease;
}

.tab.active {
  flex: 1 1 auto;
  color: var(--on-violet);
  background: linear-gradient(135deg, var(--violet) 0%, var(--violet-light) 100%);
  box-shadow: 0 6px 18px var(--violet-wash);
}

.tab-inner {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  min-height: 48px;
  padding: 0 14px;
  transition: gap 0.32s cubic-bezier(0.34, 1.1, 0.64, 1), padding 0.32s ease;
}

.tab.active .tab-inner {
  gap: 8px;
  padding: 0 18px;
}

.tab-label {
  display: inline-block;
  max-width: 0;
  opacity: 0;
  overflow: hidden;
  white-space: nowrap;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1;
  transition:
    max-width 0.36s cubic-bezier(0.34, 1.1, 0.64, 1),
    opacity 0.24s ease,
    margin 0.36s ease;
}

.tab.active .tab-label {
  max-width: 96px;
  opacity: 1;
}

.tab-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  color: inherit;
  transition: color 0.25s ease;
}

.tab:not(.active) .tab-icon {
  color: var(--muted);
}

.tab.active .tab-icon {
  color: var(--on-violet);
}

.tab-icon svg {
  width: 22px;
  height: 22px;
  display: block;
}

.tab:active {
  opacity: 0.9;
}

@keyframes cardIn {
  from { opacity: 0; transform: translateY(10px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.locked-panel {
  background: var(--surface);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 28px 24px;
  max-width: 400px;
}

.detail {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 0;
  pointer-events: none;
  visibility: hidden;
}

.detail:not(.hidden) {
  visibility: visible;
  pointer-events: auto;
}

.detail-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0);
  transition: background 0.32s ease;
}

.detail.is-open .detail-backdrop {
  background: rgba(0, 0, 0, 0.45);
}

.detail-sheet {
  position: relative;
  width: 100%;
  max-height: 94vh;
  overflow-y: auto;
  padding: 0 12px calc(12px + env(safe-area-inset-bottom));
  transform: translateY(100%);
  transition: transform 0.38s cubic-bezier(0.32, 0.72, 0, 1);
}

.detail.is-open .detail-sheet {
  transform: translateY(0);
}

.detail-handle {
  width: 40px;
  height: 4px;
  border-radius: 99px;
  background: color-mix(in srgb, var(--muted) 45%, transparent);
  margin: 10px auto 8px;
}

.detail-close {
  border: none;
  background: transparent;
  font: inherit;
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 10px 4px;
  cursor: pointer;
  color: var(--ink);
}

.detail-card {
  background: var(--surface);
  border-radius: var(--radius-card) var(--radius-card) 0 0;
  box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.12);
  overflow: hidden;
}

.detail-media {
  aspect-ratio: 4/3;
  background: var(--canvas);
  display: flex;
  align-items: center;
  justify-content: center;
}

.detail-media img {
  width: calc(100% - 24px);
  height: calc(100% - 24px);
  object-fit: cover;
  border-radius: var(--radius-inner);
}

.detail-content { padding: 20px; }

.detail-actions,
.detail-edit-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 16px;
}

.detail-actions-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.detail-actions-row #edit-btn.hidden + #copy-link-btn {
  grid-column: 1 / -1;
}

.detail-actions .btn-secondary,
.detail-actions .btn-primary,
.detail-actions .btn-danger,
.detail-edit-actions .btn-secondary,
.detail-edit-actions .btn-primary {
  margin: 0;
}

.detail-edit {
  display: grid;
  gap: 16px;
  margin-bottom: 8px;
}

.detail-edit .input,
.detail-edit .textarea {
  text-transform: none;
}

.detail.is-editing #detail-view {
  display: none;
}

.detail.is-editing #detail-actions {
  display: none;
}

.detail-price {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.04em;
  margin: 8px 0 12px;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
}

.detail-links {
  display: grid;
  gap: 8px;
  margin: 12px 0 0;
}

.link-out {
  display: block;
  padding: 12px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  color: var(--ink);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  box-shadow: var(--shadow-pill);
}

.detail-similar {
  margin: 18px 0 4px;
}

.detail-similar-label {
  margin: 0 0 12px;
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
}

.similar-group + .similar-group {
  margin-top: 12px;
}

.similar-group-label {
  display: block;
  margin-bottom: 8px;
  font-size: 11px;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.similar-stores {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.similar-store {
  display: inline-flex;
  align-items: center;
  padding: 9px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--glass-edge);
  background: var(--input-bg);
  color: var(--ink);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  transition: background 0.2s ease, border-color 0.2s ease, opacity 0.15s ease;
}

.similar-store:active {
  opacity: 0.85;
}

.detail.purchased #purchase-btn { display: none; }

.fx-starlight {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: var(--violet-deep);
  background: linear-gradient(
    100deg,
    var(--violet-deep) 0%,
    var(--violet) 35%,
    var(--violet-light) 68%,
    var(--violet) 100%
  );
  background-size: 220% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: brand-shimmer 4s ease-in-out infinite;
}

body.theme-dark .fx-starlight {
  background: none;
  -webkit-background-clip: border-box;
  background-clip: border-box;
  -webkit-text-fill-color: #eef6ff;
  color: #eef6ff;
  text-shadow: 0 0 20px rgba(152, 192, 239, 0.28);
  animation: none;
}

@keyframes brand-shimmer {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.sort-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.sort-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
  flex-shrink: 0;
}

.sort-select {
  flex: 1;
  min-width: 0;
  padding: 8px 12px;
  border: 1px solid var(--glass-edge);
  border-radius: 12px;
  background-color: var(--input-bg);
  color: var(--ink);
  font: inherit;
  font-size: 14px;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%236b7289' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}

.sort-select option {
  background: var(--surface);
  color: var(--ink);
}

.sort-select:focus {
  outline: none;
  border-color: var(--violet);
  box-shadow: 0 0 0 3px rgba(84, 51, 235, 0.12);
}

.btn-secondary {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  box-shadow: var(--shadow-pill);
}

.btn-secondary:active {
  transform: scale(0.98);
}

.detail-comment {
  margin: 8px 0 0;
  padding: 12px 14px;
  border-radius: var(--radius-inner);
  background: var(--canvas);
  font-size: 14px;
  line-height: 1.4;
  white-space: pre-wrap;
}

.ptr-indicator {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%) translateY(-100%);
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0 0 16px 16px;
  box-shadow: var(--shadow-card);
  transition: transform 0.2s ease;
  pointer-events: none;
}

.ptr-indicator.ptr-visible {
  transform: translateX(-50%) translateY(0);
}

.ptr-indicator.ptr-loading .ptr-spinner {
  animation: spin 0.8s linear infinite;
}

.ptr-spinner {
  width: 18px;
  height: 18px;
  border: 2px solid var(--border);
  border-top-color: var(--violet);
  border-radius: 50%;
}

.ptr-label {
  font-size: 13px;
  color: var(--muted);
}

body.theme-dark {
  --canvas: #05060f;
  --surface: #12141f;
  --surface-elevated: #0e1019;
  --ink: #d1e4fa;
  --muted: #9da7ba;
  --border: rgba(186, 215, 247, 0.12);
  --glass-edge: rgba(186, 215, 247, 0.14);
  --input-bg: rgba(199, 211, 234, 0.09);
  --shadow-card:
    inset 0 1px 0 rgba(216, 236, 248, 0.1),
    inset 0 0 0 1px rgba(186, 215, 247, 0.1),
    0 16px 32px rgba(0, 0, 0, 0.28);
  --shadow-pill: 0 8px 24px rgba(0, 0, 0, 0.28);
  --banner-warn-bg: rgba(255, 200, 50, 0.12);
  --banner-warn-border: rgba(255, 200, 50, 0.25);
  --banner-error-bg: rgba(255, 80, 80, 0.12);
  --banner-error-border: rgba(255, 80, 80, 0.25);
  background-color: var(--canvas);
  background-image: radial-gradient(ellipse 90% 55% at 50% -15%, rgba(102, 58, 243, 0.16), transparent 52%);
  color-scheme: dark;
}

body.theme-dark .form-card,
body.theme-dark .product-card.inner-content,
body.theme-dark .star-border-container .product-card.inner-content,
body.theme-dark .hint-card,
body.theme-dark .locked-panel,
body.theme-dark .stat,
body.theme-dark .empty {
  background: rgba(186, 214, 247, 0.04);
  border: 1px solid rgba(186, 215, 247, 0.12);
  box-shadow:
    inset 0 1px 0 rgba(216, 236, 248, 0.08),
    0 12px 28px rgba(0, 0, 0, 0.22);
}

body.theme-dark .detail.is-open .detail-backdrop {
  background: rgba(0, 0, 0, 0.72);
}

body.theme-dark .detail-sheet {
  background: var(--surface-elevated);
  border-radius: var(--radius-card) var(--radius-card) 0 0;
  border-top: 1px solid rgba(186, 215, 247, 0.14);
  box-shadow: 0 -16px 48px rgba(0, 0, 0, 0.55);
}

body.theme-dark .detail-card {
  background: var(--surface-elevated);
  border: none;
  box-shadow: none;
}

body.theme-dark .detail-media {
  background: #080a12;
}

body.theme-dark .detail-comment {
  background: rgba(199, 211, 234, 0.08);
  color: var(--ink);
  border: 1px solid rgba(186, 215, 247, 0.1);
}

body.theme-dark .chip-static {
  background: rgba(199, 211, 234, 0.08);
  color: #c7d3ea;
}

body.theme-dark .link-out {
  background: rgba(199, 211, 234, 0.06);
  border-color: rgba(186, 215, 247, 0.14);
}

body.theme-dark .similar-store {
  background: rgba(199, 211, 234, 0.06);
  border-color: rgba(186, 215, 247, 0.14);
}

body.theme-dark .btn-secondary {
  background: rgba(199, 211, 234, 0.08);
  border-color: rgba(186, 215, 247, 0.16);
  color: var(--ink);
}

body.theme-dark .chip:not(.active) {
  background: rgba(199, 211, 234, 0.06);
  border-color: rgba(186, 215, 247, 0.12);
  color: var(--ink);
}

body.theme-dark .chip.active {
  box-shadow: 0 8px 20px var(--violet-wash);
}

body.theme-dark .field-label {
  color: #c7d3ea;
}

body.theme-dark .search-bar {
  background: rgba(199, 211, 234, 0.035);
  border-color: rgba(186, 215, 247, 0.07);
  box-shadow: none;
}

body.theme-dark .search-submit {
  background: rgba(102, 58, 243, 0.22);
  color: #c4b8ff;
}

body.theme-dark .sort-select {
  background-color: var(--input-bg);
  color: var(--ink);
  border-color: rgba(186, 215, 247, 0.16);
  box-shadow: inset 0 1px 0 rgba(216, 236, 248, 0.06);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%239da7ba' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}

body.theme-dark .sort-select option {
  background: #12141f;
  color: #d1e4fa;
}

body.theme-dark .input,
body.theme-dark .textarea,
body.theme-dark .chat-picker-btn,
body.theme-dark .photo-btn,
body.theme-dark .priority-btn:not(.active) {
  background: var(--input-bg);
  color: var(--ink);
  border-color: rgba(186, 215, 247, 0.16);
  box-shadow: inset 0 1px 0 rgba(216, 236, 248, 0.06);
}

body.theme-dark .input::placeholder,
body.theme-dark .textarea::placeholder,
body.theme-dark .search-bar input::placeholder {
  color: rgba(157, 167, 186, 0.85);
}

body.theme-dark .input:focus,
body.theme-dark .textarea:focus,
body.theme-dark .sort-select:focus {
  border-color: rgba(102, 58, 243, 0.65);
  box-shadow:
    inset 0 1px 0 rgba(216, 236, 248, 0.08),
    0 0 0 3px rgba(102, 58, 243, 0.2);
}

body.theme-dark .tabbar-float {
  background: rgba(18, 20, 31, 0.92);
  border-color: rgba(186, 215, 247, 0.12);
  box-shadow:
    0 16px 48px rgba(0, 0, 0, 0.45),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

body.theme-dark .tab:not(.active) .tab-icon {
  color: #9da7ba;
}

/* Loading skeletons */
.loading-screen {
  min-height: 100vh;
  background: var(--canvas);
  padding: 16px 0;
}

.loading-inner {
  display: block;
}

.loading-caption {
  text-align: center;
  margin-top: 20px;
  color: var(--muted);
}

.skeleton {
  background: linear-gradient(
    90deg,
    color-mix(in srgb, var(--border) 70%, var(--surface)) 0%,
    color-mix(in srgb, var(--border) 35%, var(--surface)) 50%,
    color-mix(in srgb, var(--border) 70%, var(--surface)) 100%
  );
  background-size: 200% 100%;
  animation: skeletonShimmer 1.3s ease-in-out infinite;
  border-radius: 14px;
}

@keyframes skeletonShimmer {
  0% { background-position: 100% 0; }
  100% { background-position: -100% 0; }
}

.skeleton-brand {
  width: 180px;
  height: 28px;
  margin-bottom: 10px;
}

.skeleton-line {
  height: 14px;
  margin-bottom: 16px;
}

.skeleton-line--short { width: 55%; }

.skeleton-search {
  height: 44px;
  border-radius: var(--radius-pill);
  margin-bottom: 16px;
}

.skeleton-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}

.skeleton-stat {
  height: 56px;
  border-radius: var(--radius-inner);
}

.skeleton-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.skeleton-card {
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--surface);
  box-shadow: var(--shadow-pill);
}

.skeleton-card::before {
  content: "";
  display: block;
  aspect-ratio: 1;
  background: linear-gradient(
    90deg,
    var(--canvas) 0%,
    color-mix(in srgb, var(--border) 50%, var(--canvas)) 50%,
    var(--canvas) 100%
  );
  background-size: 200% 100%;
  animation: skeletonShimmer 1.3s ease-in-out infinite;
  margin: 8px;
  width: calc(100% - 16px);
  border-radius: var(--radius-inner);
}

.skeleton-card::after {
  content: "";
  display: block;
  height: 52px;
  margin: 0 14px 14px;
  border-radius: 10px;
  background: linear-gradient(
    90deg,
    color-mix(in srgb, var(--border) 70%, var(--surface)) 0%,
    color-mix(in srgb, var(--border) 35%, var(--surface)) 50%,
    color-mix(in srgb, var(--border) 70%, var(--surface)) 100%
  );
  background-size: 200% 100%;
  animation: skeletonShimmer 1.3s ease-in-out infinite;
}

/* Confetti */
.confetti-root {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 50;
  overflow: hidden;
}

.confetti-piece {
  position: absolute;
  top: -12px;
  width: 8px;
  height: 12px;
  border-radius: 2px;
  opacity: 0.95;
  animation: confettiFall 1.6s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

@keyframes confettiFall {
  0% {
    transform: translate3d(0, 0, 0) rotate(0deg);
    opacity: 1;
  }
  100% {
    transform: translate3d(var(--tx, 0), 100vh, 0) rotate(720deg);
    opacity: 0;
  }
}