:root{--color-primary: #1a73e8;--color-primary-dark: #1557b0;--color-bg: #f8fafc;--color-surface: #ffffff;--color-text: #1e293b;--color-text-muted: #64748b;--color-border: #e2e8f0;--radius: 12px;--shadow: 0 1px 3px rgba(0, 0, 0, .08);--shadow-lg: 0 10px 25px rgba(0, 0, 0, .08)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--color-bg);color:var(--color-text);line-height:1.6;min-height:100vh}.landing{max-width:960px;margin:0 auto;padding:2rem 1.5rem}.landing-hero{text-align:center;padding:4rem 1rem 3rem}.landing-hero .hero-icon{font-size:3.5rem;margin-bottom:1rem}.landing-hero h1{font-size:2.25rem;font-weight:700;margin-bottom:.75rem;letter-spacing:-.02em}.landing-hero .tagline{font-size:1.125rem;color:var(--color-text-muted);max-width:500px;margin:0 auto 2rem}.landing-features{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.25rem;margin-bottom:2.5rem}.feature-card{background:var(--color-surface);border-radius:var(--radius);padding:1.5rem;text-align:center;box-shadow:var(--shadow)}.feature-card .feature-icon{font-size:2rem;margin-bottom:.5rem}.feature-card h3{font-size:1rem;font-weight:600;margin-bottom:.25rem}.feature-card p{font-size:.85rem;color:var(--color-text-muted)}.cta-section{text-align:center;padding:1rem 0 2rem}.btn-primary{background:var(--color-primary);color:#fff;border:none;padding:.75rem 2rem;font-size:1rem;font-weight:600;border-radius:8px;cursor:pointer;transition:background .15s}.btn-primary:hover{background:var(--color-primary-dark)}.btn-secondary{background:transparent;color:var(--color-text-muted);border:1px solid var(--color-border);padding:.5rem 1.25rem;font-size:.9rem;border-radius:8px;cursor:pointer}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a80;display:flex;align-items:center;justify-content:center;z-index:100;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.modal-box{background:var(--color-surface);border-radius:var(--radius);padding:2rem;width:90%;max-width:380px;box-shadow:var(--shadow-lg)}.modal-box h2{font-size:1.15rem;margin-bottom:1rem}.modal-copy{color:var(--color-text-muted);font-size:.85rem;margin-bottom:1rem}.modal-box input{width:100%;padding:.6rem .75rem;border:1px solid var(--color-border);border-radius:8px;font-size:.95rem;margin-bottom:1rem;outline:none}.modal-box input:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px #1a73e826}.modal-actions{display:flex;gap:.5rem;justify-content:flex-end}.dashboard{max-width:1100px;margin:0 auto;padding:2rem 1.5rem}.dashboard-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:2rem}.dashboard-header h1{font-size:1.5rem;font-weight:700}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.25rem;margin-bottom:2.5rem}.stat-card{background:var(--color-surface);border-radius:var(--radius);padding:1.5rem;box-shadow:var(--shadow);text-align:center}.stat-card .stat-icon{font-size:2rem;margin-bottom:.5rem;display:block}.stat-card .stat-value{font-size:1.75rem;font-weight:700;letter-spacing:-.01em}.stat-card .stat-title{font-size:.85rem;color:var(--color-text-muted);margin-top:.25rem}.stat-card .stat-subtitle{font-size:.8rem;color:var(--color-text-muted);margin-top:.15rem}.detail-section{background:var(--color-surface);border-radius:var(--radius);padding:1.5rem;margin-bottom:1.25rem;box-shadow:var(--shadow)}.detail-section h2{font-size:1.1rem;font-weight:600;margin-bottom:1rem;padding-bottom:.5rem;border-bottom:1px solid var(--color-border)}.status-breakdown{display:flex;gap:1.5rem;flex-wrap:wrap}.status-item{display:flex;align-items:center;gap:.5rem}.status-dot{width:10px;height:10px;border-radius:50%;display:inline-block}.status-dot.active{background:#22c55e}.status-dot.inactive{background:#f59e0b}.status-dot.sold{background:#94a3b8}.category-list{list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:.5rem}.category-list li{display:flex;justify-content:space-between;font-size:.9rem;padding:.35rem 0}.loading{text-align:center;padding:4rem 1rem;color:var(--color-text-muted);font-size:1.1rem}.error-box{background:#fef2f2;border:1px solid #fecaca;color:#991b1b;padding:1rem;border-radius:var(--radius);text-align:center;margin:2rem 0}.retry-button{margin-top:.75rem}.landing-footer{text-align:center;padding:2rem 1rem;color:var(--color-text-muted);font-size:.8rem;border-top:1px solid var(--color-border);margin-top:2rem}@media(max-width:600px){.landing-hero h1{font-size:1.75rem}.stats-grid{grid-template-columns:1fr}}