/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --blue: #2563eb;
  --blue-dark: #1d4ed8;
  --blue-light: #dbeafe;
  --green: #16a34a;
  --green-light: #dcfce7;
  --red: #dc2626;
  --red-light: #fef2f2;
  --orange: #f59e0b;
  --orange-light: #fffbeb;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);
  --shadow-lg: 0 10px 25px rgba(0,0,0,.1), 0 4px 10px rgba(0,0,0,.06);
}

html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--gray-800); background: #fff;
  line-height: 1.6; -webkit-font-smoothing: antialiased;
}

/* ===== Nav ===== */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.92); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200); padding: 0 24px;
}
.nav-inner { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; height: 60px; }
.nav-brand { font-weight: 700; font-size: 1.25rem; color: var(--gray-900); letter-spacing: -.02em; }
.nav-brand span { color: var(--blue); }
.nav-links { display: flex; align-items: center; gap: 20px; }
.nav-pricing-link { color: var(--gray-500); text-decoration: none; font-size: .85rem; font-weight: 500; cursor: pointer; }
.nav-pricing-link:hover { color: var(--gray-900); }
.nav-support-link {
  border: none; background: none; color: var(--gray-500); font-size: .85rem;
  font-weight: 500; cursor: pointer; padding: 0; font-family: inherit;
}
.nav-support-link:hover { color: var(--gray-900); }
.credit-badge {
  background: var(--green-light); color: var(--green);
  padding: 6px 14px; border-radius: 20px; font-size: .8rem; font-weight: 600;
  transition: all .3s;
}
.credit-badge.low { background: var(--red-light); color: var(--red); }

/* ===== History Query ===== */
.history-query {
  border-bottom: 1px solid var(--gray-200);
  background: var(--gray-50);
  padding: 12px 24px;
}
.history-query-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: flex-end; gap: 12px;
}
.history-query label {
  font-size: .78rem; font-weight: 700; color: var(--gray-600);
}
.history-query-controls { display: flex; align-items: center; gap: 8px; }
.history-query input {
  width: 260px; max-width: 42vw;
  padding: 9px 12px; border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm); background: #fff; color: var(--gray-800);
  font-size: .86rem;
}
.history-query input:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px var(--blue-light); }
.history-query button {
  padding: 9px 14px; border: 1px solid var(--blue);
  border-radius: var(--radius-sm); background: var(--blue); color: #fff;
  font-size: .82rem; font-weight: 700; cursor: pointer;
}
.history-query button:hover { background: var(--blue-dark); border-color: var(--blue-dark); }

/* ===== Hero ===== */
.hero {
  padding: 80px 24px 60px; text-align: center;
  background: linear-gradient(180deg, #fff 0%, var(--gray-50) 100%);
}
.hero h1 { max-width: 720px; margin: 0 auto; font-size: 2.8rem; line-height: 1.2; letter-spacing: -.03em; color: var(--gray-900); }
.hero p { max-width: 540px; margin: 20px auto 0; font-size: 1.15rem; color: var(--gray-500); line-height: 1.6; }
.btn { display: inline-block; cursor: pointer; font-weight: 600; border: none; border-radius: var(--radius-sm); transition: all .2s; }
.btn-primary {
  margin-top: 32px; padding: 16px 36px;
  background: var(--blue); color: #fff; font-size: 1.05rem;
  box-shadow: 0 2px 8px rgba(37,99,235,.3);
}
.btn-primary:hover { background: var(--blue-dark); box-shadow: 0 4px 16px rgba(37,99,235,.4); transform: translateY(-1px); }
.btn-primary:disabled { opacity: .6; cursor: not-allowed; transform: none; }
.btn-outline {
  padding: 10px 24px; background: transparent; color: var(--blue);
  border: 2px solid var(--blue); border-radius: var(--radius-sm); font-size: .9rem;
}
.btn-outline:hover { background: var(--blue-light); }

/* ===== Input Section ===== */
.input-section { max-width: 720px; margin: 0 auto; padding: 60px 24px; }
.input-section h2 { font-size: 1.6rem; text-align: center; color: var(--gray-900); margin-bottom: 8px; }
.input-section .subtitle { text-align: center; color: var(--gray-500); margin-bottom: 32px; font-size: .95rem; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; position: relative; }
.form-group.full { grid-column: 1 / -1; }
.form-group label { font-size: .85rem; font-weight: 600; color: var(--gray-700); margin-bottom: 6px; }
.form-group input, .form-group select {
  padding: 12px 16px; border: 1px solid var(--gray-300); border-radius: var(--radius-sm);
  font-size: .95rem; color: var(--gray-800); background: #fff; transition: border-color .2s;
}
.form-group input:focus, .form-group select:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px var(--blue-light); }
.form-group input::placeholder { color: var(--gray-400); }
.form-group input.error { border-color: var(--red); }
.field-error { font-size: .75rem; color: var(--red); margin-top: 4px; min-height: 18px; }
.shipping-note { display: block; font-size: .68rem; color: var(--gray-500); margin-top: 3px; min-height: 1rem; font-style: italic; }
.weight-row { display: flex; gap: 8px; align-items: center; }
.weight-row select { width: 80px; }
.form-fineprint { text-align: center; color: var(--gray-400); font-size: .8rem; margin-top: 20px; }
.submit-row { text-align: center; margin-top: 12px; }
.submit-row .btn-primary { position: relative; min-width: 220px; }

/* Spinner */
.spinner {
  display: none; width: 20px; height: 20px; border: 2px solid rgba(255,255,255,.3);
  border-top-color: #fff; border-radius: 50%; animation: spin .7s linear infinite;
  margin-right: 8px; vertical-align: middle;
}
.btn-primary.loading .spinner { display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== Competitor Preview (blurred, shows as user types) ===== */
.preview-section {
  display: none; margin-top: 12px; padding: 16px;
  background: var(--gray-50); border: 1px solid var(--gray-200); border-radius: var(--radius);
  animation: fadeSlideIn .25s ease;
}
.preview-section.visible { display: block; }
.preview-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.preview-title { font-size: .85rem; font-weight: 600; color: var(--gray-700); }
.preview-hint { font-size: .75rem; color: var(--blue); font-weight: 500; }
.preview-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.preview-card {
  display: flex; gap: 10px; padding: 10px; background: #fff;
  border-radius: var(--radius-sm); align-items: center;
  position: relative; overflow: hidden; cursor: default;
}
.preview-img {
  width: 48px; height: 48px; background: var(--gray-200); border-radius: 6px;
  flex-shrink: 0; display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; filter: blur(3px);
}
.preview-info { flex: 1; min-width: 0; }
.preview-name { font-size: .82rem; font-weight: 600; color: var(--gray-700); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.preview-price {
  display: inline-block; font-size: .85rem; font-weight: 700; color: var(--gray-800);
}
.preview-rating {
  display: inline-block; font-size: .72rem; color: var(--gray-500); margin-top: 1px;
}
.preview-lock {
  position: absolute; right: 10px; top: 50%; transform: translateY(-50%);
  font-size: .9rem; opacity: .5;
}
.preview-url-banner { grid-column: 1/-1; padding: 8px 14px; background: var(--blue-light); color: var(--blue); border-radius: 8px; font-size: .78rem; font-weight: 500; margin-bottom: 4px; }
@keyframes fadeSlideIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== Report Section ===== */
.report-section { display: none; max-width: 1200px; margin: 0 auto; padding: 0 24px 60px; }
.report-section.visible { display: block; animation: fadeSlideIn .4s ease; }
.report-header {
  text-align: center; margin-bottom: 40px;
  display: flex; flex-direction: column; align-items: center; gap: 12px;
}
.report-disclaimer {
  display: inline-block; padding: 4px 14px; background: #fffbeb; color: #b45309;
  border: 1px solid #fde68a; border-radius: 16px; font-size: .72rem; font-weight: 500;
}
.report-disclaimer a { color: #92400e; font-weight: 700; }
.report-header > .report-disclaimer:not(.legal-data-note) { display: none; }
.legal-data-note { margin-top: -6px; }
.report-header h2 { font-size: 1.6rem; color: var(--gray-900); }
.report-header .product-name { color: var(--blue); }
.report-actions { display: flex; gap: 12px; }
.btn-action {
  padding: 8px 16px; background: #fff; border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm); font-size: .8rem; font-weight: 500;
  color: var(--gray-600); cursor: pointer; transition: all .15s;
}
.btn-action:hover { border-color: var(--blue); color: var(--blue); background: var(--blue-light); }
.report-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }

/* Report Cards */
.report-card {
  background: #fff; border: 1px solid var(--gray-200); border-radius: var(--radius);
  padding: 28px; box-shadow: var(--shadow);
}
.report-card h3 { font-size: 1.1rem; color: var(--gray-900); margin-bottom: 4px; }
.report-card .card-subtitle { color: var(--gray-400); font-size: .85rem; margin-bottom: 20px; }

/* Profit Picture */
.profit-metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.metric { background: var(--gray-50); padding: 16px; border-radius: var(--radius-sm); text-align: center; }
.metric-value { font-size: 1.5rem; font-weight: 700; color: var(--gray-900); transition: transform .2s ease, color .2s ease; display: inline-block; }
.metric-label { font-size: .8rem; color: var(--gray-500); margin-top: 2px; }
.metric-profit { color: var(--green); }
.profit-bar { grid-column: 1 / -1; margin-top: 12px; }
.profit-bar-label { font-size: .8rem; color: var(--gray-500); margin-bottom: 6px; }
.profit-bar-track { height: 28px; background: var(--gray-100); border-radius: 14px; overflow: hidden; display: flex; }
.profit-bar-fill { height: 100%; display: flex; align-items: center; justify-content: center; font-size: .72rem; font-weight: 700; color: #fff; transition: width .6s ease; }
.profit-bar-fill.cost { background: var(--gray-400); }
.profit-bar-fill.fee { background: var(--orange); }
.profit-bar-fill.profit { background: var(--green); }
.profit-bar-legend { display: flex; justify-content: center; gap: 20px; margin-top: 8px; font-size: .72rem; color: var(--gray-500); }
.legend-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 4px; }
.legend-dot.cost-dot { background: var(--gray-400); }
.legend-dot.fee-dot { background: var(--orange); }
.legend-dot.profit-dot { background: var(--green); }
.fee-detail { text-align: center; margin-top: 6px; font-size: .7rem; color: var(--gray-400); }

/* Card header with actions */
.card-header-row { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 16px; flex-wrap: wrap; gap: 12px; }
.comp-sort { display: flex; gap: 4px; flex-wrap: wrap; }
.sort-btn {
  padding: 4px 12px; border: 1px solid var(--gray-300); border-radius: 16px;
  background: #fff; font-size: .72rem; font-weight: 500; color: var(--gray-500);
  cursor: pointer; transition: all .15s; white-space: nowrap;
}
.sort-btn:hover { border-color: var(--blue); color: var(--blue); }
.sort-btn.active { background: var(--blue); color: #fff; border-color: var(--blue); }

/* Competitor detail modal */
.modal-detail { max-width: 560px; }
.comp-detail-header { display: flex; gap: 16px; align-items: center; margin-bottom: 24px; }
.comp-detail-img {
  width: 80px; height: 80px; background: linear-gradient(135deg, var(--gray-200), var(--gray-300));
  border-radius: var(--radius); display: flex; align-items: center; justify-content: center;
  font-size: 2.2rem; flex-shrink: 0;
}
.comp-detail-name { font-size: 1.2rem; font-weight: 700; color: var(--gray-900); }
.comp-detail-price { font-size: 1.5rem; font-weight: 800; color: var(--gray-900); margin-top: 4px; }
.comp-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 24px; }
.comp-detail-stat { background: var(--gray-50); padding: 14px; border-radius: var(--radius-sm); text-align: center; }
.comp-detail-stat .stat-value { font-size: 1.2rem; font-weight: 700; color: var(--gray-900); }
.comp-detail-stat .stat-label { font-size: .72rem; color: var(--gray-500); margin-top: 2px; }
.comp-detail-insight { background: var(--blue-light); padding: 16px; border-radius: var(--radius-sm); }
.comp-detail-insight h4 { font-size: .85rem; color: var(--blue); margin-bottom: 4px; }
.comp-detail-insight p { font-size: .82rem; color: var(--gray-700); }

/* Risk expand */
.risk-item { transition: all .2s; }

/* Competitor Cards */
.comp-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.comp-card {
  display: flex; gap: 12px; padding: 12px; background: var(--gray-50);
  border-radius: var(--radius-sm); align-items: center;
  transition: transform .15s;
}
.comp-card:hover { transform: translateY(-1px); }
.product-avatar {
  flex-shrink: 0; border-radius: 8px; display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.product-avatar.sm { width: 56px; height: 56px; }
.product-avatar.sm span { font-size: 1.2rem; font-weight: 700; color: #fff; letter-spacing: .02em; }
.product-avatar.lg { width: 80px; height: 80px; }
.product-avatar.lg span { font-size: 1.8rem; font-weight: 700; color: #fff; letter-spacing: .02em; }
.product-avatar.xs { width: 48px; height: 48px; }
.product-avatar.xs span { font-size: 1rem; font-weight: 700; color: #fff; }

.comp-img {
  width: 56px; height: 56px; background: linear-gradient(135deg, var(--gray-200), var(--gray-300));
  border-radius: 6px; flex-shrink: 0; display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
}
.comp-img.real,
.comp-detail-img.real {
  background: #fff;
  border: 1px solid var(--gray-200);
  overflow: hidden;
}
.comp-img.real img,
.comp-detail-img.real img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}
.data-source-note {
  margin: -4px 0 14px;
  color: var(--gray-500);
  font-size: .78rem;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
}
.comp-info { flex: 1; min-width: 0; }
.comp-title { font-size: .85rem; font-weight: 600; color: var(--gray-800); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.comp-price { font-size: .95rem; font-weight: 700; color: var(--gray-900); }
.comp-meta { display: flex; gap: 12px; align-items: center; margin-top: 2px; font-size: .75rem; color: var(--gray-500); flex-wrap: wrap; }
.comp-rating { color: var(--orange); }
.comp-badge { font-size: .65rem; font-weight: 700; padding: 2px 8px; border-radius: 10px; }
.comp-badge.hot { background: #fee2e2; color: #b91c1c; }
.comp-badge.warm { background: var(--orange-light); color: #b45309; }
.comp-badge.normal { background: var(--gray-100); color: var(--gray-600); }
.comp-fulfill { font-size: .6rem; font-weight: 600; padding: 1px 7px; border-radius: 9px; background: var(--blue-light); color: var(--blue); vertical-align: middle; }
.comp-fulfill-tag { font-size: .68rem; padding: 2px 10px; border-radius: 4px; }

/* Pricing Strategies */
.pricing-strats { display: flex; flex-direction: column; gap: 12px; }
.strat-card {
  padding: 16px; border: 2px solid var(--gray-200); border-radius: var(--radius-sm);
  position: relative; transition: all .25s ease; cursor: pointer;
}
.strat-card:hover { box-shadow: var(--shadow-md); border-color: var(--gray-300); }
.strat-card.active {
  border-color: var(--blue); background: var(--blue-light);
  box-shadow: 0 0 0 4px rgba(37,99,235,.12);
  transform: translateX(4px);
}
.strat-active-badge {
  position: absolute; top: -10px; right: 16px;
  background: var(--blue); color: #fff; font-size: .65rem; font-weight: 700;
  padding: 3px 10px; border-radius: 10px; text-transform: uppercase;
}
.strat-label { font-size: .8rem; font-weight: 600; color: var(--gray-500); text-transform: uppercase; letter-spacing: .05em; }
.strat-price { font-size: 1.4rem; font-weight: 700; color: var(--gray-900); margin: 2px 0; }
.strat-desc { font-size: .82rem; color: var(--gray-500); }

/* Risk Signals */
.risk-list { display: flex; flex-direction: column; gap: 12px; }
.risk-item { display: flex; gap: 12px; padding: 14px; border-radius: var(--radius-sm); align-items: flex-start; }
.risk-item.high { background: var(--red-light); }
.risk-item.medium { background: var(--orange-light); }
.risk-icon { font-size: 1.3rem; flex-shrink: 0; }
.risk-text h4 { font-size: .9rem; color: var(--gray-800); }
.risk-text p { font-size: .8rem; color: var(--gray-500); margin-top: 2px; }
.risk-severity { font-size: .7rem; font-weight: 700; text-transform: uppercase; margin-top: 4px; }
.risk-severity.high-label { color: var(--red); }
.risk-severity.medium-label { color: var(--orange); }

/* ===== Report History ===== */
.report-history { max-width: 1200px; margin: 0 auto; border-top: 1px solid var(--gray-200); padding: 32px 24px 0; }
.report-history h3 { font-size: 1.1rem; color: var(--gray-800); margin-bottom: 16px; }
.history-list { display: flex; flex-direction: column; gap: 8px; }
.history-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 20px; background: var(--gray-50); border-radius: var(--radius-sm);
  cursor: pointer; transition: all .15s; border: 1px solid transparent;
}
.history-item:hover { border-color: var(--blue); background: #fff; }
.history-item-name { font-weight: 600; color: var(--gray-800); font-size: .95rem; }
.history-item-meta { font-size: .8rem; color: var(--gray-500); }
.history-item-profit { font-weight: 700; color: var(--green); font-size: .9rem; }
.history-empty { color: var(--gray-500); font-size: .9rem; }

/* ===== Pricing Section ===== */
.pricing-section { max-width: 1000px; margin: 0 auto; padding: 80px 24px 60px; }
.pricing-section h2 { font-size: 1.8rem; text-align: center; color: var(--gray-900); margin-bottom: 8px; }
.pricing-section .pricing-subtitle { text-align: center; color: var(--gray-500); font-size: .95rem; margin-bottom: 40px; }
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.pricing-card {
  background: #fff; border: 2px solid var(--gray-200); border-radius: var(--radius);
  padding: 32px 24px; text-align: center; box-shadow: var(--shadow);
  transition: border-color .2s, box-shadow .2s, transform .15s;
}
.pricing-card:hover { transform: translateY(-2px); }
.pricing-card.popular { border-color: var(--blue); box-shadow: var(--shadow-lg); position: relative; }
.pricing-card.popular::before {
  content: 'Most Popular'; position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--blue); color: #fff; font-size: .7rem; font-weight: 700;
  padding: 4px 16px; border-radius: 10px; text-transform: uppercase;
}
.plan-name { font-size: 1.1rem; font-weight: 700; color: var(--gray-800); }
.plan-price { font-size: 2rem; font-weight: 800; color: var(--gray-900); margin: 12px 0 4px; }
.plan-price span { font-size: .9rem; font-weight: 500; color: var(--gray-500); }
.plan-reports { color: var(--gray-500); font-size: .9rem; margin-bottom: 4px; }
.plan-desc { color: var(--gray-500); font-size: .85rem; }
.pricing-footer-note { text-align: center; color: var(--gray-400); font-size: .8rem; margin-top: 32px; }

/* ===== Modals ===== */
.modal-overlay {
  display: none; position: fixed; inset: 0; z-index: 200;
  background: rgba(0,0,0,.5); align-items: center; justify-content: center;
}
.modal-overlay.visible { display: flex; animation: fadeIn .2s ease; }
.modal {
  background: #fff; border-radius: var(--radius); max-width: 600px; width: 90%;
  max-height: 90vh; overflow-y: auto; padding: 40px 32px;
  box-shadow: var(--shadow-lg); position: relative;
}
.modal-sm { max-width: 420px; text-align: center; padding: 48px 32px; }
.modal-close {
  position: absolute; top: 16px; right: 16px;
  background: none; border: none; font-size: 1.5rem; cursor: pointer;
  color: var(--gray-400); line-height: 1;
}
.modal-close:hover { color: var(--gray-700); }
.modal h3 { font-size: 1.3rem; color: var(--gray-900); margin-bottom: 4px; }
.modal .modal-sub { color: var(--gray-500); font-size: .9rem; margin-bottom: 24px; }
.purchase-icon { font-size: 3rem; margin-bottom: 16px; }

/* Auth modal */
.modal-auth { max-width: 400px; padding: 32px 28px; }
.auth-tabs { display: flex; gap: 0; margin-bottom: 24px; border-bottom: 2px solid var(--gray-200); }
.auth-tab {
  flex: 1; padding: 10px 0; border: none; background: none;
  font-size: .9rem; font-weight: 600; color: var(--gray-500); cursor: pointer;
  border-bottom: 2px solid transparent; margin-bottom: -2px; transition: all .15s;
}
.auth-tab.active { color: var(--blue); border-bottom-color: var(--blue); }
.auth-field { margin-bottom: 14px; }
.auth-field label { display: block; font-size: .8rem; font-weight: 600; color: var(--gray-700); margin-bottom: 4px; }
.auth-field input,
.auth-field select,
.auth-field textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--gray-300); border-radius: 6px;
  font-size: .9rem; outline: none; box-sizing: border-box; font-family: inherit;
}
.auth-field textarea { resize: vertical; min-height: 110px; }
.auth-field input:focus,
.auth-field select:focus,
.auth-field textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px var(--blue-light); }
.auth-error { color: var(--red); font-size: .78rem; min-height: 1.2rem; margin-bottom: 4px; text-align: center; }
.auth-info {
  color: var(--gray-600); background: var(--gray-50); border: 1px solid var(--gray-200);
  border-radius: 6px; padding: 8px 10px; margin-top: 10px; font-size: .78rem;
  line-height: 1.45; display: none; word-break: break-word;
}
.auth-info.visible { display: block; }
.auth-link-btn {
  display: block; margin: 10px auto 0; border: none; background: none; color: var(--blue);
  font-size: .8rem; font-weight: 600; cursor: pointer; font-family: inherit;
}
.auth-link-btn:hover { color: var(--blue-dark); }
.auth-demo-hint { text-align: center; font-size: .72rem; color: var(--gray-400); margin-top: 16px; }

/* Nav user area */
.btn-signin {
  padding: 6px 16px; background: var(--blue); color: #fff; border: none;
  border-radius: 6px; font-size: .8rem; font-weight: 600; cursor: pointer;
  transition: background .15s;
}
.btn-signin:hover { background: #1d4ed8; }
.user-menu { position: relative; }
.user-menu-btn {
  display: flex; align-items: center; gap: 8px; padding: 4px 10px 4px 6px;
  background: var(--gray-50); border: 1px solid var(--gray-200); border-radius: 8px;
  cursor: pointer; transition: background .15s; font-size: .82rem;
}
.user-menu-btn:hover { background: var(--gray-100); }
.user-avatar-sm {
  width: 26px; height: 26px; border-radius: 50%; background: var(--blue);
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: .72rem; font-weight: 700; flex-shrink: 0;
}
.user-name { font-weight: 600; color: var(--gray-800); max-width: 110px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.user-dropdown {
  position: absolute; top: calc(100% + 6px); right: 0; min-width: 200px;
  background: #fff; border: 1px solid var(--gray-200); border-radius: 8px;
  box-shadow: var(--shadow-lg); z-index: 100; padding: 4px 0;
}
.dropdown-item { padding: 8px 14px; font-size: .82rem; color: var(--gray-700); cursor: default; }
.dropdown-item.disabled { color: var(--gray-400); font-size: .75rem; }
.dropdown-item.danger { color: var(--red); cursor: pointer; font-weight: 500; }
.dropdown-item.danger:hover { background: #fef2f2; }
.dropdown-divider { border: none; border-top: 1px solid var(--gray-200); margin: 4px 0; }

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ===== Checkout Modal ===== */
.modal-checkout { max-width: 480px; }
.checkout-plan-summary {
  background: var(--blue-light); padding: 16px; border-radius: var(--radius-sm);
  margin-bottom: 24px; display: flex; justify-content: space-between; align-items: center;
}
.checkout-plan-summary .plan-label { font-size: .85rem; font-weight: 600; color: var(--blue); }
.checkout-plan-summary .plan-detail { font-size: .9rem; color: var(--gray-700); }
.checkout-form-fields { display: flex; flex-direction: column; gap: 16px; margin-bottom: 20px; }
.checkout-form-fields .form-group { display: flex; flex-direction: column; }
.checkout-form-fields .form-group label { font-size: .82rem; font-weight: 600; color: var(--gray-700); margin-bottom: 4px; }
.checkout-form-fields .form-group input {
  padding: 12px 14px; border: 1px solid var(--gray-300); border-radius: var(--radius-sm);
  font-size: .95rem; color: var(--gray-800); background: #fff; transition: border-color .2s;
}
.checkout-form-fields .form-group input:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px var(--blue-light); }
.checkout-form-fields .form-group input.error { border-color: var(--red); }
.checkout-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.checkout-total {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 0; border-top: 1px solid var(--gray-200); border-bottom: 1px solid var(--gray-200);
  margin-bottom: 20px; font-size: 1.1rem; font-weight: 700; color: var(--gray-900);
}
.checkout-total .total-label { font-size: .9rem; color: var(--gray-500); font-weight: 500; }
.checkout-compliance {
  display: flex; flex-direction: column; gap: 10px;
  margin: -8px 0 18px; padding: 14px;
  background: var(--gray-50); border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
}
.checkout-seller {
  display: grid; grid-template-columns: auto 1fr; column-gap: 10px; row-gap: 1px;
  align-items: baseline; padding-bottom: 8px; border-bottom: 1px solid var(--gray-200);
}
.checkout-seller span { color: var(--gray-500); font-size: .72rem; font-weight: 700; text-transform: uppercase; }
.checkout-seller strong { color: var(--gray-900); font-size: .85rem; }
.checkout-seller em { grid-column: 2; color: var(--gray-500); font-size: .75rem; font-style: normal; }
.checkout-ack { display: flex; gap: 8px; align-items: flex-start; color: var(--gray-600); font-size: .76rem; line-height: 1.45; }
.checkout-ack input { margin-top: 3px; flex-shrink: 0; }
.checkout-ack a { color: var(--blue); font-weight: 600; }
.btn-full { width: 100%; padding: 14px 24px; margin-top: 0; font-size: 1rem; }
.btn-full .spinner { display: none; width: 18px; height: 18px; border-width: 2px; }
.btn-full.loading .spinner { display: inline-block; }
.btn-full.loading #btnPayText { display: none; }
.checkout-secure { text-align: center; color: var(--gray-400); font-size: .75rem; margin-top: 12px; }

/* ===== Footer ===== */
.footer { border-top: 1px solid var(--gray-200); padding: 32px 24px; text-align: center; }
.footer-tagline { font-size: .95rem; color: var(--gray-600); font-style: italic; margin-bottom: 8px; }
.footer-links { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px 16px; margin: 10px auto; }
.footer-links a { color: var(--gray-500); font-size: .78rem; text-decoration: none; font-weight: 600; }
.footer-links a:hover { color: var(--blue); text-decoration: underline; }
.footer-copy { font-size: .8rem; color: var(--gray-400); }

/* ===== Legal Pages ===== */
.legal-page { background: var(--gray-50); }
.legal-document {
  max-width: 760px; margin: 0 auto; padding: 48px 24px 72px;
  color: var(--gray-700);
}
.legal-back { display: inline-block; margin-bottom: 24px; color: var(--blue); font-size: .85rem; font-weight: 700; text-decoration: none; }
.legal-back:hover { text-decoration: underline; }
.legal-document h1 { color: var(--gray-900); font-size: 2rem; line-height: 1.2; margin-bottom: 6px; }
.legal-updated { color: var(--gray-500); font-size: .85rem; margin-bottom: 28px; }
.legal-document h2 { color: var(--gray-900); font-size: 1rem; margin: 24px 0 6px; }
.legal-document p { font-size: .95rem; line-height: 1.7; margin-bottom: 12px; }
.legal-document a { color: var(--blue); font-weight: 600; }

/* ===== Toast ===== */
.toast {
  position: fixed; bottom: 24px; right: 24px; z-index: 300;
  background: var(--gray-900); color: #fff; padding: 12px 24px;
  border-radius: var(--radius-sm); font-size: .9rem; font-weight: 500;
  box-shadow: var(--shadow-lg); opacity: 0; transform: translateY(10px);
  transition: all .3s; pointer-events: none;
}
.toast.show { opacity: 1; transform: translateY(0); }

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .nav { padding: 0 16px; }
  .nav-inner { height: auto; min-height: 60px; padding: 10px 0; gap: 12px; align-items: flex-start; }
  .nav-links { flex-wrap: wrap; justify-content: flex-end; gap: 10px 14px; }
  .history-query { padding: 12px 16px; }
  .history-query-inner { align-items: stretch; flex-direction: column; gap: 6px; }
  .history-query-controls { width: 100%; }
  .history-query input { width: 100%; max-width: none; }
  .history-query button { flex-shrink: 0; }
  .hero h1 { font-size: 1.8rem; }
  .hero p { font-size: 1rem; }
  .form-grid { grid-template-columns: 1fr; }
  .report-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .comp-list { grid-template-columns: 1fr; }
  .profit-metrics { grid-template-columns: 1fr 1fr; }
  .preview-grid { grid-template-columns: 1fr; }
  .preview-header { flex-direction: column; align-items: flex-start; gap: 4px; }
}