*{box-sizing:border-box;padding:0;margin:0}:root{--color-primary:#7c3aed;--color-primary-dark:#6d28d9;--color-primary-light:#ede9fe;--color-secondary:#ec4899;--color-accent:#06b6d4;--gradient-primary:linear-gradient(135deg,#7c3aed,#ec4899);--gradient-subtle:linear-gradient(135deg,#f5f3ff,#fdf2f8);--color-text:#1e1b4b;--color-text-secondary:#64748b;--color-text-muted:#94a3b8;--color-surface:#fff;--color-background:#faf5ff;--color-border:#e9d5ff;--color-success:#10b981;--color-warning:#f59e0b;--color-error:#ef4444;--space-xs:4px;--space-sm:8px;--space-md:16px;--space-lg:24px;--space-xl:48px;--space-2xl:80px;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:24px;--radius-full:9999px;--shadow-sm:0 1px 2px rgba(124,58,237,.05);--shadow-md:0 4px 12px rgba(124,58,237,.1);--shadow-lg:0 8px 24px rgba(124,58,237,.15);--shadow-glow:0 0 40px rgba(124,58,237,.2);--transition-fast:150ms ease;--transition-base:250ms ease}body,html{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:16px;line-height:1.6;background:var(--color-background);min-height:100vh;-webkit-font-smoothing:antialiased}body,h1,h2,h3,h4,html{color:var(--color-text)}h1,h2,h3,h4{font-weight:700;line-height:1.2}h1{font-size:clamp(2.5rem,6vw,3.5rem);letter-spacing:-.03em;color:#add9c0}h2{font-size:clamp(1.5rem,3vw,1.75rem);letter-spacing:-.02em}h2,h3{color:var(--color-primary)}h3{font-size:1.25rem}p{color:var(--color-text-secondary)}.container{max-width:720px;margin:0 auto;padding:var(--space-lg);padding-bottom:var(--space-2xl)}.hero{text-align:center;padding:var(--space-xl) 0 var(--space-lg)}.hero h1{margin-bottom:var(--space-md)}.hero .subtitle{font-size:1.125rem;color:var(--color-text-secondary);max-width:400px;margin:0 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.step-number{background:var(--color-success);color:#fff}.card{background:var(--color-surface);border-radius:var(--radius-xl);padding:var(--space-lg);margin-bottom:var(--space-lg);border:1px solid var(--color-border);box-shadow:var(--shadow-sm);transition:var(--transition-base);overflow:hidden}.card:hover{box-shadow:var(--shadow-md);border-color:var(--color-primary-light)}.card h2{margin-bottom:var(--space-xs)}.card>p{margin-bottom:var(--space-lg);font-size:.9rem}.upload-area{border:2px dashed var(--color-border);border-radius:var(--radius-lg);padding:var(--space-xl);text-align:center;cursor:pointer;transition:var(--transition-base);background:var(--gradient-subtle)}.upload-area:hover{border-color:var(--color-primary);background:var(--color-primary-light);transform:scale(1.01)}.upload-area.has-image{border-style:solid;border-color:var(--color-success);padding:var(--space-md);background:#fff}.upload-icon{font-size:3rem;margin-bottom:var(--space-md)}.upload-area h3{margin-bottom:var(--space-xs);color:var(--color-text);font-size:1.1rem}.upload-area p{font-size:.875rem;color:var(--color-text-muted)}.preview-image{max-width:100%;max-height:280px;border-radius:var(--radius-md);object-fit:cover;display:block;margin:0 auto}.timeline-periods{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:var(--space-sm);gap:var(--space-sm)}@media (max-width:500px){.timeline-periods{grid-template-columns:repeat(2,1fr)}}.period-btn{background:var(--color-surface);border:2px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-md) var(--space-sm);text-align:center;cursor:pointer;transition:var(--transition-base)}.period-btn:hover{transform:translateY(-2px)}.period-btn.active,.period-btn:hover{border-color:var(--color-primary);box-shadow:var(--shadow-md)}.period-btn.active{background:var(--gradient-primary)}.period-btn .period-name{display:block;font-weight:600;font-size:.85rem;color:var(--color-text);margin-bottom:2px;line-height:1.3}.period-btn .period-years{display:block;font-size:.7rem;color:var(--color-text-muted)}.period-btn.active .period-name,.period-btn.active .period-years{color:#fff}.selected-period-preview{background:var(--color-primary-light);border-radius:var(--radius-md);padding:var(--space-md);margin-top:var(--space-md);border-left:4px solid var(--color-primary)}.selected-period-preview h3{color:var(--color-primary);margin-bottom:2px;font-size:1.1rem}.selected-period-preview .years{font-size:.8rem;color:var(--color-text-secondary);margin-bottom:var(--space-xs)}.selected-period-preview .description{font-size:.85rem;color:var(--color-text-secondary);line-height:1.5}.map-container{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--color-border)}.map-info{display:flex;justify-content:space-between;align-items:center;margin-top:var(--space-md);padding:var(--space-md);background:var(--gradient-subtle);border-radius:var(--radius-md);gap:var(--space-md);flex-wrap:wrap}.location-display{font-size:.85rem;color:var(--color-text-secondary)}.location-display strong{color:var(--color-primary)}button{font-family:inherit;font-size:1rem;font-weight:600;border:none;cursor:pointer;transition:var(--transition-base)}.btn-primary{background:var(--gradient-primary);color:#fff;padding:var(--space-md) var(--space-xl);border-radius:var(--radius-full);display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);box-shadow:0 4px 14px rgba(124,58,237,.4);font-size:1.1rem}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 20px rgba(124,58,237,.5)}.btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn-secondary{background:var(--color-surface);color:var(--color-primary);padding:var(--space-sm) var(--space-md);border-radius:var(--radius-full);border:2px solid var(--color-primary);font-size:.9rem;white-space:nowrap}.btn-secondary:hover{background:var(--color-primary);color:#fff}.cta-section{text-align:center;padding:var(--space-lg) 0}.cta-hint{margin-top:var(--space-md);font-size:.85rem;color:var(--color-text-muted)}.cta-hint.warning{color:var(--color-secondary);font-weight:500}.loading-state{text-align:center;padding:var(--space-xl)}.loading-spinner{width:48px;height:48px;border:3px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin 1s linear infinite;margin:0 auto var(--space-lg)}@keyframes spin{to{transform:rotate(1turn)}}.loading-steps{flex-direction:column;max-width:280px;margin:0 auto;text-align:left}.loading-step,.loading-steps{display:flex;gap:var(--space-sm)}.loading-step{align-items:center;font-size:.875rem;color:var(--color-text-muted)}.loading-step.active{color:var(--color-primary);font-weight:500}.loading-step.completed{color:var(--color-success)}.result-section{animation:fadeIn .5s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.result-header{text-align:center;margin-bottom:var(--space-lg)}.result-header h2{background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;font-size:1.75rem}.result-header .period-badge{display:inline-block;background:var(--gradient-primary);color:#fff;padding:var(--space-sm) var(--space-md);border-radius:var(--radius-full);font-size:.85rem;font-weight:600;margin-top:var(--space-sm)}.image-comparison{display:grid;grid-template-columns:1fr 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.value{font-size:1.25rem;font-weight:700;color:var(--color-primary)}.details-section{border-top:1px solid var(--color-border);padding-top:var(--space-lg);margin-top:var(--space-lg)}.details-section h3{text-align:center;margin-bottom:var(--space-md);color:var(--color-text)}.details-grid{display:grid;grid-template-columns:repeat(2,1fr);grid-gap:var(--space-sm);gap:var(--space-sm)}@media (max-width:500px){.details-grid{grid-template-columns:1fr}}.detail-card{background:var(--gradient-subtle);border-radius:var(--radius-md);padding:var(--space-md)}.detail-card h4{font-size:.8rem;color:var(--color-secondary);margin-bottom:var(--space-xs);text-transform:uppercase;letter-spacing:.03em}.detail-card p{font-size:.85rem;line-height:1.5;color:var(--color-text-secondary)}.error-message{background:#fef2f2;border:1px solid #fecaca;border-radius:var(--radius-md);padding:var(--space-md);color:var(--color-error);text-align:center;font-size:.9rem}footer{text-align:center;padding:var(--space-xl) var(--space-md);color:var(--color-text-muted);font-size:.8rem;border-top:1px solid var(--color-border);margin-top:var(--space-2xl)}.leaflet-container{height:350px;border-radius:var(--radius-lg);font-family:inherit}@media (max-width:600px){.card,.container{padding:var(--space-md)}.hero{padding:var(--space-lg) 0}.progress-steps{gap:var(--space-sm);padding:var(--space-md)}.progress-step span:not(.step-number){display:none}.cta-section .btn-primary{width:100%}}