:root{--bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-card: rgba(30, 41, 59, .7);--bg-card-hover: rgba(51, 65, 85, .8);--text-primary: #f8fafc;--text-secondary: #94a3b8;--text-muted: #64748b;--accent-cyan: #06b6d4;--accent-blue: #3b82f6;--accent-purple: #8b5cf6;--accent-emerald: #10b981;--accent-amber: #f59e0b;--accent-rose: #f43f5e;--border-color: rgba(255, 255, 255, .08);--border-glow: rgba(6, 182, 212, .3);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 18px;--radius-full: 9999px;--shadow-main: 0 10px 30px -5px rgba(0, 0, 0, .5);--glass-backdrop: blur(16px)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Prompt,Inter,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);min-height:100vh;overflow-x:hidden;background-image:radial-gradient(circle at 15% 15%,rgba(6,182,212,.08) 0%,transparent 40%),radial-gradient(circle at 85% 75%,rgba(139,92,246,.08) 0%,transparent 40%)}.app-container{display:flex;flex-direction:column;min-height:100vh}.navbar{position:sticky;top:0;z-index:100;display:flex;align-items:center;justify-content:space-between;padding:1rem 2rem;background:#0f172ad9;-webkit-backdrop-filter:var(--glass-backdrop);backdrop-filter:var(--glass-backdrop);border-bottom:1px solid var(--border-color)}.nav-brand{display:flex;align-items:center;gap:.75rem;font-size:1.25rem;font-weight:700;background:linear-gradient(135deg,var(--accent-cyan),var(--accent-purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent}.nav-brand svg{color:var(--accent-cyan)}.nav-tabs{display:flex;gap:.5rem;background:#1e293b99;padding:.35rem;border-radius:var(--radius-full);border:1px solid var(--border-color)}.tab-btn{display:flex;align-items:center;gap:.5rem;padding:.6rem 1.25rem;border:none;background:transparent;color:var(--text-secondary);font-family:inherit;font-size:.9rem;font-weight:500;border-radius:var(--radius-full);cursor:pointer;transition:all .2s ease}.tab-btn:hover{color:var(--text-primary);background:#ffffff0d}.tab-btn.active{background:linear-gradient(135deg,var(--accent-blue),var(--accent-cyan));color:#fff;box-shadow:0 4px 15px #06b6d44d}.btn-upload-nav{display:flex;align-items:center;gap:.5rem;padding:.65rem 1.3rem;border:none;border-radius:var(--radius-full);background:linear-gradient(135deg,var(--accent-emerald),#059669);color:#fff;font-family:inherit;font-weight:600;font-size:.9rem;cursor:pointer;box-shadow:0 4px 14px #10b9814d;transition:all .2s ease}.btn-upload-nav:hover{transform:translateY(-1px);box-shadow:0 6px 20px #10b98166}.main-content{flex:1;padding:2rem;max-width:1400px;margin:0 auto;width:100%}.glass-card{background:var(--bg-card);-webkit-backdrop-filter:var(--glass-backdrop);backdrop-filter:var(--glass-backdrop);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:1.5rem;box-shadow:var(--shadow-main);transition:transform .2s ease,border-color .2s ease}.glass-card:hover{border-color:#ffffff26}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.25rem;margin-bottom:2rem}.stat-card{display:flex;align-items:center;gap:1rem}.stat-icon-wrapper{width:52px;height:52px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center}.stat-icon-wrapper.blue{background:#3b82f626;color:var(--accent-blue)}.stat-icon-wrapper.purple{background:#8b5cf626;color:var(--accent-purple)}.stat-icon-wrapper.emerald{background:#10b98126;color:var(--accent-emerald)}.stat-icon-wrapper.amber{background:#f59e0b26;color:var(--accent-amber)}.stat-info .stat-label{font-size:.85rem;color:var(--text-secondary)}.stat-info .stat-value{font-size:1.5rem;font-weight:700;color:var(--text-primary);margin-top:.1rem}.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.25rem}.section-title{font-size:1.2rem;font-weight:600;display:flex;align-items:center;gap:.5rem;color:var(--text-primary)}.section-title svg{color:var(--accent-cyan)}.badge{display:inline-flex;align-items:center;gap:.35rem;padding:.25rem .65rem;border-radius:var(--radius-full);font-size:.75rem;font-weight:600}.badge-high{background:#10b98126;color:#34d399;border:1px solid rgba(16,185,129,.3)}.badge-medium{background:#f59e0b26;color:#fbbf24;border:1px solid rgba(245,158,11,.3)}.badge-low{background:#f43f5e26;color:#fb7185;border:1px solid rgba(244,63,94,.3)}.table-container{overflow-x:auto;border-radius:var(--radius-md);border:1px solid var(--border-color)}.custom-table{width:100%;border-collapse:collapse;text-align:left;font-size:.9rem}.custom-table th{background:#1e293be6;color:var(--text-secondary);padding:1rem;font-weight:600;border-bottom:1px solid var(--border-color)}.custom-table td{padding:1rem;border-bottom:1px solid rgba(255,255,255,.05);color:var(--text-primary)}.custom-table tr:hover td{background:#ffffff05}.price-tag-lowest{color:#34d399;font-weight:700;display:inline-flex;align-items:center;gap:.25rem}.price-tag-highest{color:#fb7185;font-weight:600}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;background:#000000bf;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;padding:2rem}.modal-content{background:#1e293b;border:1px solid var(--border-color);border-radius:var(--radius-lg);max-width:1000px;width:100%;max-height:90vh;display:flex;flex-direction:column;overflow:hidden;box-shadow:0 25px 50px -12px #000000b3}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:1.25rem 1.5rem;border-bottom:1px solid var(--border-color)}.modal-body{padding:1.5rem;overflow-y:auto;flex:1}.btn-close{background:transparent;border:none;color:var(--text-secondary);cursor:pointer;padding:.5rem;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center}.btn-close:hover{color:var(--text-primary);background:#ffffff1a}.receipt-modal-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}.receipt-img-container{background:#0f172a;border-radius:var(--radius-md);padding:.5rem;display:flex;align-items:center;justify-content:center;overflow:hidden;max-height:600px}.receipt-img-container img{max-width:100%;max-height:580px;object-fit:contain;border-radius:var(--radius-sm)}.upload-dropzone{border:2px dashed rgba(6,182,212,.4);border-radius:var(--radius-lg);padding:3rem 2rem;text-align:center;background:#06b6d408;cursor:pointer;transition:all .2s ease}.upload-dropzone:hover{border-color:var(--accent-cyan);background:#06b6d414}@media (max-width: 900px){.receipt-modal-grid{grid-template-columns:1fr}.navbar{flex-direction:column;gap:1rem;align-items:stretch}.nav-tabs{overflow-x:auto}}