:root {
  --bg-1: #f5ebdc;
  --bg-2: #ddc39b;
  --ink: #22180f;
  --muted: #6c5f50;
  --line: rgba(91, 61, 31, 0.16);
  --panel: rgba(255, 250, 243, 0.84);
  --panel-strong: rgba(255, 251, 245, 0.95);
  --accent: #9f3d1e;
  --accent-soft: rgba(159, 61, 30, 0.12);
  --water: #2d5f82;
  --good: #2d6a52;
  --warn: #9f3d1e;
  --shadow: 0 18px 58px rgba(58, 37, 18, 0.14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: "Source Han Sans SC", "PingFang SC", "Noto Sans SC", sans-serif;
  background:
    radial-gradient(circle at 12% 10%, rgba(255, 240, 214, 0.88), transparent 28%),
    radial-gradient(circle at 85% 20%, rgba(208, 138, 54, 0.22), transparent 22%),
    radial-gradient(circle at 78% 82%, rgba(45, 95, 130, 0.16), transparent 30%),
    linear-gradient(145deg, var(--bg-1) 0%, #ead6b5 52%, var(--bg-2) 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(105, 76, 45, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(105, 76, 45, 0.04) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: radial-gradient(circle at center, black 40%, transparent 92%);
}

.page {
  position: relative;
  max-width: 1420px;
  margin: 0 auto;
  padding: 24px 16px 36px;
}

.hero {
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 24px;
  background:
    linear-gradient(135deg, rgba(255, 249, 240, 0.9), rgba(248, 235, 212, 0.78)),
    linear-gradient(180deg, rgba(255, 255, 255, 0.48), rgba(255, 255, 255, 0));
  box-shadow: var(--shadow);
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(320px, 0.9fr);
  gap: 20px;
  align-items: end;
}

.eyebrow {
  display: inline-flex;
  border-radius: 999px;
  padding: 8px 12px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 12px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  font-weight: 700;
}

.hero h1 {
  margin: 14px 0 8px;
  font-family: "Source Han Serif SC", "Songti SC", serif;
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1;
}

.hero p {
  margin: 0;
  color: var(--muted);
  line-height: 1.72;
}

.hero-note {
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 16px;
  background: rgba(255, 252, 247, 0.78);
  backdrop-filter: blur(8px);
}

.hero-note strong {
  display: block;
  font-size: 0.92rem;
}

.hero-note span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  line-height: 1.55;
}

.layout {
  display: grid;
  grid-template-columns: minmax(300px, 400px) minmax(0, 1fr);
  gap: 20px;
  margin-top: 20px;
}

.panel {
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--panel);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}

.control-panel {
  padding: 20px;
  position: sticky;
  top: 16px;
  height: fit-content;
}

.panel-title,
.section-head,
.result-top {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
}

.panel-title h2,
.result-top h2,
.section-head h3 {
  margin: 0;
}

.panel-title p,
.result-top p,
.helper,
.field small,
.empty-hint {
  margin: 6px 0 0;
  color: var(--muted);
  line-height: 1.55;
  font-size: 0.9rem;
}

.badge-pill {
  display: inline-flex;
  border-radius: 999px;
  padding: 7px 12px;
  background: rgba(45, 95, 130, 0.1);
  color: var(--water);
  font-size: 0.82rem;
  font-weight: 700;
}

.mode-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 18px;
}

.mode-chip,
.tab-chip,
.ghost-btn,
.tool-btn,
.history-item {
  font: inherit;
}

.mode-chip,
.tab-chip {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 12px 10px;
  background: rgba(255, 252, 247, 0.72);
  color: var(--ink);
  font-weight: 700;
  cursor: pointer;
  transition: border-color 180ms ease, background 180ms ease, transform 180ms ease;
}

.mode-chip.active,
.tab-chip.active {
  border-color: rgba(159, 61, 30, 0.42);
  background: linear-gradient(135deg, rgba(159, 61, 30, 0.12), rgba(208, 138, 54, 0.16));
}

.mode-chip:hover,
.tab-chip:hover,
.history-item:hover,
.ghost-btn:hover,
.tool-btn:hover,
.submit-btn:hover {
  transform: translateY(-1px);
}

.fields,
.control-section,
.history-list,
.result-stack,
.analysis-grid,
.tab-row {
  display: grid;
  gap: 12px;
}

.fields { margin-top: 16px; }

.field { display: grid; gap: 7px; }

.field-label {
  font-size: 0.9rem;
  font-weight: 700;
}

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

input,
textarea,
select {
  width: 100%;
  border: 1px solid rgba(111, 74, 39, 0.18);
  border-radius: 14px;
  padding: 12px 14px;
  color: var(--ink);
  background: rgba(255, 252, 247, 0.86);
  font: inherit;
}

textarea { min-height: 96px; resize: vertical; }

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: rgba(159, 61, 30, 0.42);
  box-shadow: 0 0 0 4px rgba(159, 61, 30, 0.08);
}

.advanced {
  margin-top: 4px;
  border: 1px dashed rgba(111, 74, 39, 0.25);
  border-radius: 16px;
  padding: 10px 12px;
  background: rgba(255, 251, 246, 0.65);
}

.advanced summary {
  cursor: pointer;
  font-weight: 700;
}

.submit-row {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.submit-btn {
  border: none;
  border-radius: 16px;
  padding: 14px;
  color: #fff7ec;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
  background: linear-gradient(135deg, #aa4726, #d08a36);
  box-shadow: 0 12px 26px rgba(159, 61, 30, 0.22);
}

.submit-btn:disabled {
  cursor: wait;
  opacity: 0.76;
}

.status {
  min-height: 1.4em;
  color: var(--muted);
  font-size: 0.9rem;
}
.status.ok { color: var(--good); }
.status.warn { color: var(--warn); }

.control-section {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.history-item {
  width: 100%;
  text-align: left;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 12px;
  background: rgba(255, 252, 247, 0.75);
  cursor: pointer;
}

.history-item strong { display: block; margin: 4px 0; }
.history-item span { color: var(--muted); font-size: 0.88rem; }

.history-meta {
  display: flex;
  justify-content: space-between;
  gap: 8px;
}

.history-label {
  display: inline-flex;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(45, 95, 130, 0.1);
  color: var(--water);
  font-size: 0.76rem;
  font-weight: 700;
}

.ghost-btn,
.tool-btn {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 9px 12px;
  background: rgba(255, 252, 247, 0.72);
  color: var(--ink);
  cursor: pointer;
}

.ghost-btn:disabled,
.tool-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.result-panel {
  min-height: 680px;
  padding: 20px;
}

.result-top { align-items: end; }
.result-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: end;
}

.result-meta { margin: 14px 0; }
.meta-shell {
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(159, 61, 30, 0.08), rgba(208, 138, 54, 0.08)), rgba(255, 251, 245, 0.9);
}

.meta-shell h3 { margin: 0; }
.meta-shell p { margin: 8px 0 0; color: var(--muted); }

.tab-row {
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin-bottom: 12px;
}

.result-card,
.empty-state,
.raw-output {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--panel-strong);
  overflow: hidden;
}

.result-card.accent {
  background: linear-gradient(135deg, rgba(159, 61, 30, 0.08), rgba(208, 138, 54, 0.08)), var(--panel-strong);
}

.result-card.soft {
  background: linear-gradient(135deg, rgba(45, 95, 130, 0.06), rgba(45, 106, 82, 0.06)), var(--panel-strong);
}

.card-head {
  padding: 14px 16px 10px;
  border-bottom: 1px solid var(--line);
}

.card-head h3 { margin: 0; font-size: 1.02rem; }
.card-head p { margin: 6px 0 0; color: var(--muted); font-size: 0.9rem; }
.card-body { padding: 14px 16px 16px; }

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

.tag {
  display: inline-flex;
  border-radius: 999px;
  padding: 8px 10px;
  background: rgba(111, 74, 39, 0.08);
  font-size: 0.86rem;
  font-weight: 600;
}

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

.analysis-item {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px;
  background: rgba(255, 251, 245, 0.82);
}

.analysis-item strong { display: block; }
.analysis-item span { color: var(--muted); font-size: 0.9rem; line-height: 1.55; }

.empty-state {
  padding: 24px 20px;
}

.empty-state h3 {
  margin: 0 0 8px;
  font-size: 1.2rem;
}

.empty-state p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.quote {
  border-left: 4px solid rgba(208, 138, 54, 0.68);
  background: rgba(208, 138, 54, 0.11);
  padding: 12px 14px;
  border-radius: 0 12px 12px 0;
  color: #544230;
}

.code-block,
.raw-output pre {
  margin: 0;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
  border-radius: 14px;
  padding: 12px 14px;
  background: #2a231c;
  color: #f3e8d7;
  font-family: "JetBrains Mono", "Sarasa Mono SC", "SFMono-Regular", monospace;
  font-size: 0.86rem;
  line-height: 1.6;
}

.raw-output {
  margin-top: 14px;
  padding: 12px;
}

.raw-output summary { cursor: pointer; font-weight: 700; }
.raw-output pre { margin-top: 10px; }

code {
  font-family: "JetBrains Mono", "Sarasa Mono SC", "SFMono-Regular", monospace;
  font-size: 0.92em;
  background: rgba(111, 74, 39, 0.08);
  border-radius: 7px;
  padding: 0.15em 0.4em;
}

@media (max-width: 1120px) {
  .hero,
  .layout {
    grid-template-columns: 1fr;
  }
  .control-panel { position: static; }
}

@media (max-width: 780px) {
  .page { padding: 14px 10px 24px; }
  .hero, .panel, .control-panel, .result-panel { border-radius: 18px; padding: 16px; }
  .mode-grid,
  .field-row,
  .analysis-grid,
  .tab-row {
    grid-template-columns: 1fr;
  }
  .panel-title,
  .section-head,
  .result-top,
  .result-tools {
    flex-direction: column;
    align-items: start;
  }
}

/* ===== Store Page ===== */
.store-page .hero {
  grid-template-columns: 1fr;
  gap: 16px;
}
.store-hero-copy p {
  max-width: 52ch;
}
.store-hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

/* Hero Auth Panel */
.hero-auth-shell {
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 16px;
  background: rgba(255, 252, 247, 0.78);
  backdrop-filter: blur(8px);
}
.hero-auth-panel {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.hero-auth-summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}
.hero-auth-status {
  font-weight: 600;
  font-size: 0.92rem;
}
.hero-auth-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* Store Layout */
.store-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 420px);
  gap: 20px;
  margin-top: 20px;
}
.store-products-panel {
  padding: 20px;
}
.store-compare-panel {
  padding: 20px;
}
.store-orders-panel {
  padding: 20px;
  margin-top: 20px;
}

/* Filter Row */
.store-filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0 16px;
}
.store-filter-row .ghost-btn.active {
  border-color: rgba(159, 61, 30, 0.42);
  background: linear-gradient(135deg, rgba(159, 61, 30, 0.12), rgba(208, 138, 54, 0.16));
  font-weight: 700;
}

/* Product Cards Grid */
.store-products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
}

/* Product Card */
.store-product-card {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 16px;
  background: rgba(255, 252, 247, 0.82);
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}
.store-product-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(58, 37, 18, 0.1);
  border-color: rgba(159, 61, 30, 0.25);
}
.store-product-card.recommended {
  border-color: rgba(208, 138, 54, 0.45);
  background: linear-gradient(135deg, rgba(208, 138, 54, 0.08), rgba(255, 252, 247, 0.82));
}
.store-product-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
}
.store-product-title-wrap {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.store-product-title-wrap strong {
  font-size: 1rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.store-product-type-label {
  font-size: 0.76rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.store-product-description {
  margin: 0;
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.store-product-meta {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 10px;
  background: rgba(111, 74, 39, 0.06);
  font-size: 0.78rem;
  color: var(--muted);
}
.store-product-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-top: auto;
  padding-top: 4px;
}
.store-product-price {
  font-size: 1.18rem;
  font-weight: 800;
  color: var(--accent);
  white-space: nowrap;
}

/* Tier Comparison Table */
.tier-compare-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 0 -4px;
  padding: 0 4px;
}
.tier-compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  min-width: 520px;
}
.tier-compare-table th,
.tier-compare-table td {
  padding: 10px 12px;
  text-align: center;
  border-bottom: 1px solid var(--line);
}
.tier-compare-feature-col {
  text-align: left !important;
  font-weight: 600;
  color: var(--ink);
  min-width: 140px;
}
.tier-compare-name {
  font-weight: 800;
  font-size: 1.05rem;
  margin-bottom: 2px;
}
.tier-compare-price {
  font-weight: 700;
  color: var(--accent);
}
.tier-price-unit {
  font-weight: 400;
  font-size: 0.78rem;
  color: var(--muted);
}
.tier-compare-recommend-badge {
  display: inline-block;
  border-radius: 999px;
  padding: 2px 10px;
  margin-bottom: 6px;
  background: linear-gradient(135deg, rgba(208, 138, 54, 0.22), rgba(159, 61, 30, 0.14));
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.05em;
}
.tier-check-yes {
  color: var(--good);
  font-weight: 700;
}
.tier-check-na {
  color: var(--muted);
  opacity: 0.5;
}
.tier-plus-col[data-recommended=true] {
  background: rgba(208, 138, 54, 0.06);
}
.tier-compare-table thead th {
  border-bottom: 2px solid var(--line);
  font-weight: 700;
  vertical-align: bottom;
}

/* Store section badge */
.store-section-badge {
  white-space: nowrap;
}

/* ===== Store Page Dark Mode ===== */
[data-theme=dark] .store-page .hero {
  background: linear-gradient(135deg, rgba(212, 117, 82, 0.1) 0%, rgba(106, 159, 192, 0.1) 100%);
}
[data-theme=dark] .store-page .hero h1,
[data-theme=dark] .store-page .hero p {
  color: #e0d6c2;
}
[data-theme=dark] .hero-auth-shell {
  background: rgba(30, 28, 24, 0.7);
  border-color: rgba(255, 255, 255, 0.08);
}
[data-theme=dark] .store-product-card {
  background: rgba(30, 28, 24, 0.8);
  border-color: rgba(255, 255, 255, 0.08);
}
[data-theme=dark] .store-product-card:hover {
  border-color: rgba(208, 138, 54, 0.35);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.3);
}
[data-theme=dark] .store-product-card.recommended {
  border-color: rgba(208, 138, 54, 0.4);
  background: linear-gradient(135deg, rgba(208, 138, 54, 0.1), rgba(30, 28, 24, 0.8));
}
[data-theme=dark] .store-product-meta {
  background: rgba(0, 0, 0, 0.25);
  color: #a09080;
}
[data-theme=dark] .store-product-price {
  color: #d47552;
}
[data-theme=dark] .store-filter-row .ghost-btn.active {
  background: rgba(208, 138, 54, 0.18);
  border-color: rgba(208, 138, 54, 0.4);
}
[data-theme=dark] .tier-plus-col[data-recommended=true] {
  background: rgba(208, 138, 54, 0.08);
}

/* ===== Store Page Mobile ===== */
@media (max-width: 900px) {
  .store-layout {
    grid-template-columns: 1fr;
  }
  .store-products-grid {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 780px) {
  .store-page .hero {
    gap: 12px;
  }
  .hero-auth-actions {
    flex-direction: column;
  }
  .hero-auth-actions .auth-link-btn {
    width: 100%;
    text-align: center;
  }
  .store-products-panel,
  .store-compare-panel,
  .store-orders-panel {
    padding: 14px;
  }
  .store-product-foot {
    flex-wrap: wrap;
  }
  .tier-compare-table {
    min-width: 480px;
    font-size: 0.8rem;
  }
  .tier-compare-table th,
  .tier-compare-table td {
    padding: 8px 6px;
  }
}