:root {
  --primary: #0EA5E9; --primary-hover: #0284C7; --secondary: #38BDF8;
  --accent: #F59E0B; --success: #10B981; --error: #EF4444;
  --bg: #0B1120; --bg-elevated: #111827; --bg-card: #1E293B;
  --bg-input: #0F172A; --text: #E2E8F0; --text-muted: #94A3B8; --text-dim: #475569;
  --border: #1E3A5F; --border-hover: #2D5A8F; --radius: 12px; --radius-sm: 8px;
  --font: 'Inter', system-ui, sans-serif; --transition: 200ms ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:var(--font);background:var(--bg);color:var(--text);min-height:100vh;overflow:hidden}
.app{display:flex;flex-direction:column;height:100vh}

.header{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;background:var(--bg-elevated);border-bottom:1px solid var(--border);gap:12px;flex-shrink:0}
.header-left{display:flex;align-items:center;gap:12px}
.logo{font-size:1.4rem}
.header-title{font-size:1.1rem;font-weight:700;background:linear-gradient(135deg,var(--primary),var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.header-badge{font-size:.65rem;font-weight:600;padding:3px 8px;background:rgba(14,165,233,.1);border:1px solid rgba(14,165,233,.2);border-radius:20px;color:var(--primary);text-transform:uppercase;letter-spacing:.5px}
.header-right{display:flex;gap:8px}

.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;font-size:.8rem;font-weight:500;font-family:var(--font);border:none;border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition);white-space:nowrap}
.btn:disabled{opacity:.4;cursor:not-allowed}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-hover));color:#fff;box-shadow:0 2px 8px rgba(14,165,233,.3)}
.btn-primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 4px 16px rgba(14,165,233,.4)}
.btn-ghost{background:transparent;color:var(--text-muted);border:1px solid var(--border)}
.btn-ghost:hover{background:var(--bg-card);color:var(--text);border-color:var(--border-hover)}
.btn-sm{padding:5px 10px;font-size:.75rem}
.btn-full{width:100%;justify-content:center;margin-top:8px}

.main{display:grid;grid-template-columns:1fr 1fr;flex:1;overflow:hidden;gap:1px;background:var(--border)}
.panel{display:flex;flex-direction:column;background:var(--bg);overflow-y:auto;padding:20px;gap:14px}
.panel-title{font-size:.85rem;font-weight:600;color:var(--text)}

.upload-zone{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:32px;border:2px dashed var(--border);border-radius:var(--radius);transition:all var(--transition);text-align:center;gap:8px}
.upload-zone.drag-over{border-color:var(--primary);background:rgba(14,165,233,.05)}
.upload-icon{margin-bottom:4px;opacity:.7}
.upload-title{font-size:.95rem;font-weight:600}
.upload-desc{font-size:.8rem;color:var(--text-muted)}
.upload-btns{display:flex;gap:8px;margin-top:8px}

.ocr-progress{display:flex;flex-direction:column;gap:6px}
.progress-bar{width:100%;height:6px;background:var(--bg-card);border-radius:3px;overflow:hidden}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--secondary));border-radius:3px;transition:width .3s ease;width:0}
.progress-text{font-size:.72rem;color:var(--text-muted);text-align:center}

.receipt-preview{width:100%;max-height:200px;object-fit:contain;border-radius:var(--radius-sm);border:1px solid var(--border)}

.form-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.form-group{display:flex;flex-direction:column;gap:4px}
.form-group label{font-size:.7rem;font-weight:500;color:var(--text-muted)}
.input{width:100%;padding:8px 12px;font-size:.8rem;font-family:var(--font);background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);outline:none}
.input:focus{border-color:var(--primary)}
.textarea{resize:vertical;line-height:1.5}

.stat-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.stat-card{padding:12px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);text-align:center}
.stat-card .val{font-size:1.1rem;font-weight:700;color:var(--primary)}
.stat-card .label{font-size:.6rem;color:var(--text-dim);text-transform:uppercase;letter-spacing:.5px;margin-top:2px}

.search-bar{margin-bottom:4px}
.section-label{font-size:.72rem;font-weight:600;color:var(--text-dim);text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px}

.receipt-list{display:flex;flex-direction:column;gap:6px;flex:1;overflow-y:auto}
.receipt-card{padding:10px 14px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition)}
.receipt-card:hover{border-color:var(--border-hover)}
.receipt-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:4px}
.receipt-merchant{font-size:.82rem;font-weight:600;color:var(--text)}
.receipt-amount{font-size:.82rem;font-weight:700;color:var(--accent)}
.receipt-meta{display:flex;gap:8px;font-size:.68rem;color:var(--text-dim)}
.receipt-cat{display:inline-flex;align-items:center;gap:2px;padding:1px 6px;background:rgba(14,165,233,.1);border-radius:10px;color:var(--primary);font-size:.62rem}

.gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(100px,1fr));gap:6px}
.gallery-thumb{width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:6px;border:1px solid var(--border);cursor:pointer;transition:all var(--transition)}
.gallery-thumb:hover{border-color:var(--primary);transform:scale(1.03)}

.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);padding:10px 20px;background:var(--bg-card);border:1px solid var(--primary);border-radius:var(--radius-sm);color:var(--primary);font-size:.8rem;font-weight:500;z-index:200;animation:toast-in .3s ease}
@keyframes toast-in{from{opacity:0;transform:translateX(-50%) translateY(10px)}to{opacity:1;transform:translateX(-50%) translateY(0)}}
::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}
@media(max-width:768px){.main{grid-template-columns:1fr;grid-template-rows:1fr 1fr}.header{flex-wrap:wrap;gap:8px}.form-row{grid-template-columns:1fr}.stat-cards{grid-template-columns:1fr 1fr 1fr}}