@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";:root{--bg-primary: #f8fafc;--bg-secondary: #f1f5f9;--bg-card: #ffffff;--text-primary: #0f172a;--text-secondary: #475569;--text-muted: #94a3b8;--accent-primary: #3b82f6;--accent-hover: #2563eb;--accent-gradient: linear-gradient(135deg, #3b82f6, #8b5cf6);--border-color: #e2e8f0;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 20px;--radius-full: 9999px;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-glow: 0 0 20px rgba(59, 130, 246, .15)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);line-height:1.5;-webkit-font-smoothing:antialiased;min-height:100vh}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.2}h1{font-size:3rem;background:var(--accent-gradient);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:.5rem}h2{font-size:2rem;margin-bottom:1rem}p.subtitle{color:var(--text-secondary);font-size:1.125rem;max-width:600px;margin:0 auto 2rem}.app-container{display:flex;flex-direction:column;min-height:100vh}.main-content{flex:1;padding:4rem 2rem;max-width:1200px;margin:0 auto;width:100%}.hero-section{text-align:center;padding:4rem 0 2rem}.input-group{display:flex;max-width:700px;margin:0 auto;position:relative;background:var(--bg-secondary);border-radius:var(--radius-full);padding:.5rem;border:1px solid var(--border-color);box-shadow:var(--shadow-md);transition:all .3s ease;align-items:center;gap:.25rem}.input-group:focus-within{border-color:var(--accent-primary);box-shadow:var(--shadow-glow)}.input-field{flex:1;background:transparent;border:none;padding:1rem 1.5rem;color:var(--text-primary);font-size:1.125rem;outline:none;font-family:inherit}.input-field::placeholder{color:var(--text-muted)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.875rem 1.5rem;border-radius:var(--radius-full);font-weight:600;font-size:1rem;border:none;cursor:pointer;transition:all .3s ease;font-family:inherit;gap:.5rem}.btn:disabled{opacity:.5;cursor:not-allowed;filter:grayscale(.8);box-shadow:none!important;transform:none!important}.btn-primary{background:var(--accent-gradient);color:#fff;box-shadow:0 4px 14px #3b82f663}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px #3b82f666}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:var(--bg-card);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover{background:#f1f5f9;border-color:var(--text-muted)}.card{background:var(--bg-card);border-radius:var(--radius-lg);padding:2rem;border:1px solid var(--border-color);box-shadow:var(--shadow-md);animation:fadeIn .5s ease-out}.grid{display:grid;gap:1.5rem}.grid-cols-2{grid-template-columns:repeat(2,1fr)}.grid-cols-3{grid-template-columns:repeat(3,1fr)}.grid-cols-4{grid-template-columns:repeat(4,1fr)}@media(max-width:768px){.grid-cols-2,.grid-cols-3,.grid-cols-4{grid-template-columns:1fr}}.stat-card{background:var(--bg-secondary);padding:1.5rem;border-radius:var(--radius-md);border:1px solid var(--border-color);display:flex;flex-direction:column;gap:.5rem;transition:transform .2s}.stat-card:hover{transform:translateY(-5px);border-color:var(--accent-primary)}.stat-title{color:var(--text-secondary);font-size:.875rem;font-weight:500;text-transform:uppercase;letter-spacing:.05em}.stat-value{font-size:2.5rem;font-weight:700;color:var(--text-primary)}.chart-container{background:var(--bg-secondary);border-radius:var(--radius-md);padding:1.5rem;border:1px solid var(--border-color);height:350px;width:100%;margin-top:1.5rem}.data-table{width:100%;border-collapse:collapse;margin-top:1rem}.data-table th,.data-table td{padding:1rem;text-align:left;border-bottom:1px solid var(--border-color)}.data-table th{color:var(--text-secondary);font-weight:600;font-size:.875rem;text-transform:uppercase}.data-table tr:hover td{background:#ffffff05}.result-banner{margin-top:2rem;background:var(--bg-card);border:1px solid var(--accent-primary);border-radius:var(--radius-md);padding:1.5rem;display:flex;align-items:center;justify-content:space-between;box-shadow:var(--shadow-glow);animation:slideUp .5s cubic-bezier(.16,1,.3,1)}.short-link-display{font-size:1.5rem;font-weight:600;color:var(--accent-primary);text-decoration:none}.short-link-display:hover{text-decoration:underline}.action-row{display:flex;gap:1rem}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}header{padding:1.5rem 2rem;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--border-color);background:#fffc;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);position:sticky;top:0;z-index:100}.logo{text-decoration:none;display:flex;align-items:center;gap:.5rem;transition:transform .3s ease}.logo:hover{transform:scale(1.05)}.nav-links{display:flex;gap:1.5rem}.nav-link{color:var(--text-secondary);text-decoration:none;font-weight:500;transition:color .2s}.nav-link:hover{color:var(--text-primary)}.tab-container{display:flex;justify-content:center;gap:1rem;margin-bottom:2.5rem;background:var(--bg-secondary);padding:.4rem;border-radius:var(--radius-full);width:fit-content;margin-left:auto;margin-right:auto;border:1px solid var(--border-color)}.tab{padding:.75rem 2rem;border-radius:var(--radius-full);font-weight:600;cursor:pointer;transition:all .3s ease;border:none;background:transparent;color:var(--text-secondary);font-size:.95rem}.tab:hover{color:var(--text-primary)}.tab.active{background:var(--accent-gradient);color:#fff;box-shadow:0 4px 12px #3b82f64d}.form-group{display:flex;flex-direction:column;gap:.5rem;text-align:left}.form-label{font-size:.875rem;font-weight:600;color:var(--text-secondary);margin-left:.25rem}.qr-preview-container{display:flex;flex-direction:column;align-items:center;gap:1.5rem;padding:2rem;background:var(--bg-secondary);border-radius:var(--radius-lg);border:1px dashed var(--border-color)}.qr-canvas-wrapper{background:#fff;padding:1.5rem;border-radius:var(--radius-lg);box-shadow:var(--shadow-md);display:flex;justify-content:center;align-items:center;border:1px solid var(--border-color)}.features-section{padding:6rem 0;text-align:center}.section-title{font-size:2.5rem;margin-bottom:3rem;background:var(--accent-gradient);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem;margin-top:2rem}.feature-card{padding:2.5rem;background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);transition:all .3s ease;text-align:left}.feature-card:hover{transform:translateY(-10px);border-color:var(--accent-primary);box-shadow:var(--shadow-glow)}.feature-icon{width:50px;height:50px;background:#3b82f61a;color:var(--accent-primary);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;margin-bottom:1.5rem}.feature-card h3{font-size:1.25rem;margin-bottom:1rem}.feature-card p{color:var(--text-secondary);font-size:.95rem;line-height:1.6}.how-it-works{padding:6rem 0;background:var(--bg-secondary);border-radius:var(--radius-lg);margin:4rem 0}.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:3rem;max-width:1000px;margin:0 auto}.step-card{position:relative;text-align:center}.step-number{width:40px;height:40px;background:var(--accent-gradient);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;margin:0 auto 1.5rem;font-size:1.125rem}.step-card h4{margin-bottom:.75rem;font-size:1.25rem}.step-card p{color:var(--text-secondary);font-size:.9rem}.modal-overlay{position:fixed;inset:0;background:#000c;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .3s ease}.modal-content{background:var(--bg-card);padding:3rem;border-radius:var(--radius-lg);max-width:500px;width:90%;text-align:center;border:1px solid var(--border-color);box-shadow:0 20px 50px #00000080;animation:slideUp .4s cubic-bezier(.16,1,.3,1)}@media(max-width:768px){.features-grid,.steps-grid{grid-template-columns:1fr}}