* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }

:root {
  --bg: #0d0d0f;
  --surface: #18181b;
  --surface2: #222228;
  --border: #2e2e35;
  --accent: #6366f1;
  --accent2: #8b5cf6;
  --success: #22c55e;
  --text: #f4f4f5;
  --text2: #a1a1aa;
  --text3: #52525b;
  --radius: 16px;
  --radius-sm: 10px;
}

body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; background: var(--bg); color: var(--text); min-height: 100vh; max-width: 480px; margin: 0 auto; }

/* Header */
.header { padding: 20px 20px 16px; text-align: center; border-bottom: 1px solid var(--border); background: var(--bg); position: sticky; top: 0; z-index: 10; }
.header h1 { font-size: 1.6rem; font-weight: 900; letter-spacing: -1px; background: linear-gradient(135deg, #6366f1, #a855f7, #ec4899); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.header p { font-size: 0.8rem; color: var(--text2); margin-top: 3px; }

/* Screens */
.screen { display: none; padding: 20px; }
.screen.active { display: block; }
.screen-title { font-size: 1.1rem; font-weight: 800; color: var(--text); margin-bottom: 16px; text-align: center; }
.screen-back { display: inline-flex; align-items: center; gap: 6px; font-size: 0.88rem; color: var(--accent); font-weight: 600; margin-bottom: 16px; cursor: pointer; padding: 6px 0; }

/* Category grid */
.category-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-bottom: 28px; }
.cat-tile { background: var(--surface); border-radius: var(--radius); padding: 22px 12px; display: flex; flex-direction: column; align-items: center; gap: 10px; cursor: pointer; border: 1.5px solid var(--border); transition: all 0.15s ease; position: relative; overflow: hidden; }
.cat-tile:active { transform: scale(0.97); border-color: var(--accent); background: rgba(99,102,241,0.08); }
.cat-icon { font-size: 2.6rem; line-height: 1; }
.cat-name { font-size: 0.82rem; font-weight: 700; color: var(--text2); text-align: center; }

/* Selected badge */
.selected-cat-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(99,102,241,0.15); color: #818cf8; border: 1px solid rgba(99,102,241,0.3); border-radius: 20px; padding: 6px 14px; font-weight: 700; font-size: 0.88rem; margin-bottom: 16px; }

/* Photo tip */
.photo-tip { background: rgba(245,158,11,0.1); border: 1px solid rgba(245,158,11,0.25); border-radius: var(--radius-sm); padding: 12px 14px; font-size: 0.8rem; color: #fcd34d; margin-bottom: 16px; line-height: 1.5; }

/* Photo slots */
.photo-slots { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 16px; }
.photo-slot { background: var(--surface); border-radius: var(--radius); overflow: hidden; aspect-ratio: 3/4; display: flex; align-items: center; justify-content: center; cursor: pointer; border: 1.5px dashed var(--border); transition: all 0.2s; position: relative; }
.photo-slot:active { transform: scale(0.97); }
.photo-slot.has-photo { border: 1.5px solid var(--success); }
.photo-slot img { width: 100%; height: 100%; object-fit: contain; display: block; }
.slot-placeholder { display: flex; flex-direction: column; align-items: center; gap: 8px; padding: 12px; text-align: center; }
.slot-icon { font-size: 2.4rem; }
.slot-label { font-size: 0.82rem; font-weight: 700; color: var(--text2); text-transform: uppercase; letter-spacing: 0.05em; }
.slot-sub { font-size: 0.7rem; color: var(--text3); background: var(--surface2); border-radius: 10px; padding: 2px 8px; }
.slot-badge { position: absolute; top: 8px; right: 8px; background: var(--success); color: white; border-radius: 50%; width: 26px; height: 26px; display: none; align-items: center; justify-content: center; font-size: 0.8rem; font-weight: 800; }
.photo-slot.has-photo .slot-badge { display: flex; }
.slot-retake { position: absolute; bottom: 8px; left: 50%; transform: translateX(-50%); background: rgba(0,0,0,0.75); color: white; border-radius: 20px; padding: 4px 12px; font-size: 0.72rem; font-weight: 600; display: none; white-space: nowrap; }
.photo-slot.has-photo .slot-retake { display: block; }

/* Identify button */
.identify-btn-wrap { margin-top: 4px; }
.btn-identify { display: flex; align-items: center; justify-content: center; gap: 10px; width: 100%; padding: 18px; border-radius: var(--radius); font-weight: 800; font-size: 1.05rem; cursor: pointer; border: none; background: linear-gradient(135deg, var(--accent), var(--accent2)); color: white; box-shadow: 0 4px 20px rgba(99,102,241,0.35); transition: all 0.2s; }
.btn-identify:disabled { background: var(--surface2); color: var(--text3); box-shadow: none; cursor: not-allowed; }
.btn-identify:not(:disabled):active { transform: scale(0.98); }
.btn-clear { display: block; width: 100%; margin-top: 10px; padding: 12px; border-radius: var(--radius-sm); border: 1px solid var(--border); background: transparent; color: var(--text3); font-size: 0.85rem; cursor: pointer; text-align: center; }

/* Loading */
.loading-box { display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 60vh; gap: 24px; color: var(--text2); font-size: 1rem; font-weight: 500; }
.spinner { width: 52px; height: 52px; border: 3px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: spin 0.75s linear infinite; }
.spinner-small { display: inline-block; width: 14px; height: 14px; border: 2px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: spin 0.75s linear infinite; vertical-align: middle; margin-right: 6px; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Section headers */
h2 { font-size: 0.75rem; font-weight: 700; color: var(--text3); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 10px; }

/* Card details */
.card-details { background: var(--surface); border-radius: var(--radius); padding: 16px; border: 1px solid var(--border); }
.title-edit { margin-bottom: 14px; }
.title-edit label { display: block; font-size: 0.75rem; font-weight: 700; color: var(--text3); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 6px; }
.title-edit input { width: 100%; background: var(--surface2); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 10px 12px; font-size: 0.9rem; color: var(--text); }
.title-edit input:focus { outline: none; border-color: var(--accent); }
#titleCount { float: right; font-size: 0.72rem; color: var(--text3); margin-top: 4px; }
.details-table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
.details-table td { padding: 8px 4px; border-bottom: 1px solid var(--border); }
.details-table td.dl { font-weight: 600; color: var(--text3); width: 42%; font-size: 0.82rem; }
.details-table tr:last-child td { border-bottom: none; }
.manual-fields { margin-top: 14px; border-top: 1px solid var(--border); padding-top: 14px; display: flex; flex-direction: column; gap: 10px; }
.manual-row label { display: block; font-size: 0.75rem; font-weight: 700; color: var(--text3); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 5px; }
.manual-hint { font-weight: 400; color: var(--text3); font-size: 0.7rem; text-transform: none; letter-spacing: 0; }
.manual-row input { width: 100%; background: var(--surface2); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 9px 12px; font-size: 0.88rem; color: var(--text); }
.manual-row input:focus { outline: none; border-color: var(--accent); }

/* Comps */
.comps-box { background: var(--surface); border-radius: var(--radius); padding: 14px; border: 1px solid var(--border); }
.comps-table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
.comps-table th { text-align: left; padding: 6px 8px; color: var(--text3); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; border-bottom: 1px solid var(--border); }
.comps-table td { padding: 8px 8px; border-bottom: 1px solid var(--border); color: var(--text2); }
.comps-table tr:last-child td { border-bottom: none; }
.suggested-row td { color: var(--text) !important; font-size: 1rem; background: rgba(99,102,241,0.08); }
.comp-note { font-size: 0.72rem; color: var(--text3); margin-top: 8px; }
.na { color: var(--text3); }

/* Price box */
.price-box { background: var(--surface); border-radius: var(--radius); padding: 16px; border: 1px solid var(--border); }
.price-row { display: flex; align-items: center; gap: 8px; margin-bottom: 14px; }
.price-row span { font-size: 1.6rem; font-weight: 800; color: var(--text2); }
.price-row input { flex: 1; font-size: 2rem; font-weight: 800; background: var(--surface2); border: 1.5px solid var(--accent); border-radius: var(--radius-sm); padding: 10px 14px; color: var(--text); }
.price-row input:focus { outline: none; }
.quick-btns { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 14px; }
.quick-btns button { flex: 1; padding: 10px 4px; border-radius: 8px; border: 1px solid var(--border); background: var(--surface2); color: var(--text2); font-weight: 700; font-size: 0.82rem; cursor: pointer; min-width: 44px; transition: all 0.15s; }
.quick-btns button:active { background: var(--accent); color: white; border-color: var(--accent); }
.best-offer-row { font-size: 0.88rem; color: var(--text2); display: flex; align-items: center; gap: 8px; }
.best-offer-row input { width: 16px; height: 16px; accent-color: var(--accent); }

/* Platform selector */
.platform-select { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.platform-tile { display: flex; flex-direction: column; align-items: center; gap: 8px; background: var(--surface); border-radius: var(--radius); padding: 18px; cursor: pointer; border: 1.5px solid var(--border); transition: all 0.15s; font-weight: 700; font-size: 0.88rem; color: var(--text2); }
.platform-tile input { display: none; }
.platform-tile:has(input:checked) { border-color: var(--accent); background: rgba(99,102,241,0.1); color: #818cf8; }
.platform-icon { font-size: 2rem; }

/* Buttons */
.btn-group { display: flex; flex-direction: column; gap: 10px; }
.btn { display: block; width: 100%; padding: 16px; border-radius: var(--radius); font-weight: 800; font-size: 1rem; cursor: pointer; border: none; text-align: center; text-decoration: none; transition: all 0.15s; }
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent2)); color: white; box-shadow: 0 4px 20px rgba(99,102,241,0.3); }
.btn-primary:active { transform: scale(0.98); }
.btn-secondary { background: var(--surface2); color: var(--text2); border: 1px solid var(--border); }

/* Status messages */
.status { padding: 12px 14px; border-radius: var(--radius-sm); font-size: 0.85rem; margin-top: 12px; }
.status.error { background: rgba(239,68,68,0.1); color: #fca5a5; border: 1px solid rgba(239,68,68,0.2); }
.status.info { background: rgba(99,102,241,0.1); color: #a5b4fc; border: 1px solid rgba(99,102,241,0.2); }
.status.success { background: rgba(34,197,94,0.1); color: #86efac; border: 1px solid rgba(34,197,94,0.2); }

/* Success screen */
.success-box { text-align: center; padding: 48px 20px; }
.success-icon { font-size: 5rem; margin-bottom: 20px; }
.success-box h2 { font-size: 1.6rem; font-weight: 900; margin-bottom: 8px; }
#successLinks { margin-top: 20px; display: flex; flex-direction: column; gap: 10px; }

/* Info Section */
.info-section { margin-top: 8px; border-top: 1px solid var(--border); padding-top: 24px; }
.info-tabs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-bottom: 20px; }
.info-tab { padding: 10px 4px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--text2); font-size: 0.75rem; font-weight: 700; cursor: pointer; transition: all 0.15s; text-align: center; }
.info-tab.active { background: rgba(99,102,241,0.12); border-color: var(--accent); color: #818cf8; }
.info-tab:active { transform: scale(0.97); }
.info-panel { display: none; animation: fadeIn 0.2s ease; padding-bottom: 24px; }
.info-panel.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }
.info-intro { font-size: 0.88rem; color: var(--text2); line-height: 1.6; margin-bottom: 20px; }

/* Steps */
.steps { display: flex; flex-direction: column; gap: 16px; }
.step { display: flex; align-items: flex-start; gap: 14px; }
.step-num { min-width: 26px; height: 26px; background: linear-gradient(135deg, var(--accent), var(--accent2)); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 0.72rem; font-weight: 800; color: white; flex-shrink: 0; margin-top: 1px; }
.step strong { font-size: 0.88rem; color: var(--text); display: block; margin-bottom: 2px; }
.step p { font-size: 0.8rem; color: var(--text2); line-height: 1.5; }

/* Needs */
.needs-list { display: flex; flex-direction: column; gap: 14px; }
.need-row { display: flex; align-items: flex-start; gap: 14px; }
.need-row span { font-size: 1.4rem; flex-shrink: 0; margin-top: 2px; }
.need-row strong { font-size: 0.88rem; color: var(--text); display: block; margin-bottom: 2px; }
.need-row p { font-size: 0.8rem; color: var(--text2); line-height: 1.5; }

/* Pricing */
.pricing-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.pricing-card { background: var(--surface); border-radius: var(--radius); padding: 20px 16px; border: 1px solid var(--border); position: relative; }
.pricing-card-pro { border-color: var(--accent); background: rgba(99,102,241,0.06); }
.plan-badge { display: inline-block; background: linear-gradient(135deg, var(--accent), var(--accent2)); color: white; border-radius: 4px; padding: 2px 8px; font-size: 0.65rem; font-weight: 800; letter-spacing: 0.06em; margin-bottom: 10px; }
.plan-name { font-size: 0.9rem; font-weight: 700; color: var(--text2); margin-bottom: 4px; }
.plan-price { font-size: 1.8rem; font-weight: 900; color: var(--text); margin-bottom: 14px; line-height: 1; }
.plan-price span { font-size: 0.75rem; font-weight: 500; color: var(--text3); }
.plan-features { list-style: none; display: flex; flex-direction: column; gap: 8px; margin-bottom: 18px; }
.plan-features li { font-size: 0.78rem; color: var(--text2); padding-left: 14px; position: relative; }
.plan-features li::before { content: '—'; position: absolute; left: 0; color: var(--text3); }
.plan-btn { width: 100%; padding: 12px; border-radius: var(--radius-sm); font-weight: 700; font-size: 0.85rem; cursor: pointer; border: none; transition: all 0.15s; }
.plan-btn-free { background: var(--surface2); color: var(--text2); border: 1px solid var(--border); }
.plan-btn-pro { background: linear-gradient(135deg, var(--accent), var(--accent2)); color: white; }
.plan-btn:active { transform: scale(0.98); }

/* Signup */
.signup-form { display: flex; flex-direction: column; gap: 10px; }
.signup-form input { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 13px 14px; font-size: 0.9rem; color: var(--text); transition: border-color 0.15s; }
.signup-form input:focus { outline: none; border-color: var(--accent); }
.signup-note { font-size: 0.72rem; color: var(--text3); text-align: center; line-height: 1.5; padding-top: 4px; }

/* FAQ */
.faq-list { display: flex; flex-direction: column; gap: 6px; }
.faq-item { background: var(--surface); border-radius: var(--radius-sm); border: 1px solid var(--border); overflow: hidden; cursor: pointer; }
.faq-q { padding: 14px 16px; font-size: 0.85rem; font-weight: 600; color: var(--text); display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.faq-q span { color: var(--text3); font-size: 1.1rem; font-weight: 300; flex-shrink: 0; transition: transform 0.2s; }
.faq-item.open .faq-q span { transform: rotate(45deg); color: var(--accent); }
.faq-a { display: none; font-size: 0.82rem; color: var(--text2); line-height: 1.6; border-top: 1px solid var(--border); padding: 12px 16px 14px; }
.faq-item.open .faq-a { display: block; }