body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:#f7f9fc}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;background-color:#f7f9fc}.app{min-height:100vh}.navbar{background:#fff;border-bottom:1px solid #e5e7eb;padding:1rem 0;position:sticky;top:0;z-index:100}.nav-container{max-width:1200px;margin:0 auto;padding:0 2rem;display:flex;justify-content:space-between;align-items:center}.nav-brand{display:flex;align-items:center;gap:.5rem;font-weight:600;font-size:1.25rem}.logo{font-size:1.75rem}.brand-name{color:#1f2937}.nav-links{display:flex;gap:1rem}.nav-link{background:none;border:none;padding:.5rem 1rem;font-size:1rem;cursor:pointer;color:#6b7280;border-radius:6px;transition:all .2s}.nav-link:hover{background:#f3f4f6;color:#1f2937}.nav-link.active{color:#2563eb;background:#eff6ff}.main-content{max-width:1200px;margin:0 auto;padding:2rem}.home-page{display:flex;flex-direction:column;gap:2rem}.hero-section{text-align:center;padding:2rem 0}.hero-title{font-size:2.5rem;font-weight:700;color:#1f2937;margin-bottom:.5rem}.hero-subtitle{font-size:1.125rem;color:#6b7280}.create-section{display:flex;justify-content:center}.create-card{background:#fff;border-radius:12px;padding:2rem;width:100%;max-width:700px;box-shadow:0 1px 3px #0000001a}.card-title{font-size:1.5rem;font-weight:600;color:#1f2937;margin-bottom:.5rem}.card-subtitle{font-size:.875rem;color:#6b7280;margin-bottom:1.5rem}.create-form{display:flex;flex-direction:column;gap:1.5rem}.form-group{display:flex;flex-direction:column;gap:.5rem}.form-label{font-size:.875rem;font-weight:500;color:#374151;display:flex;flex-direction:column;gap:.25rem}.label-hint{font-size:.75rem;font-weight:400;color:#9ca3af}.form-input{padding:.75rem 1rem;border:1px solid #d1d5db;border-radius:8px;font-size:1rem;transition:all .2s}.form-input:focus{outline:none;border-color:#2563eb;box-shadow:0 0 0 3px #2563eb1a}.btn-primary{background:#2563eb;color:#fff;border:none;padding:.875rem 1.5rem;border-radius:8px;font-size:1rem;font-weight:500;cursor:pointer;transition:all .2s}.btn-primary:hover:not(:disabled){background:#1d4ed8}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-secondary{background:#fff;color:#2563eb;border:1px solid #2563eb;padding:.875rem 1.5rem;border-radius:8px;font-size:1rem;font-weight:500;cursor:pointer;transition:all .2s;width:100%}.btn-secondary:hover{background:#eff6ff}.alert{padding:.875rem 1rem;border-radius:8px;margin-top:1rem}.alert-error{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}.result-section{margin-top:2rem;display:flex;flex-direction:column;gap:1.5rem;padding-top:2rem;border-top:1px solid #e5e7eb}.success-message{display:flex;align-items:center;gap:.5rem;font-size:1.125rem;font-weight:600;color:#059669}.success-icon{font-size:1.5rem}.result-card{background:#f9fafb;border:1px solid #e5e7eb;border-radius:8px;padding:1rem;display:flex;justify-content:space-between;align-items:center;gap:1rem}.result-url{display:flex;flex-direction:column;gap:.25rem;flex:1}.url-label{font-size:.75rem;color:#6b7280;text-transform:uppercase;font-weight:500}.short-url{font-size:1.125rem;color:#2563eb;text-decoration:none;font-weight:500;word-break:break-all}.short-url:hover{text-decoration:underline}.btn-copy{background:#2563eb;color:#fff;border:none;padding:.625rem 1.25rem;border-radius:6px;font-size:.875rem;font-weight:500;cursor:pointer;white-space:nowrap;transition:all .2s}.btn-copy:hover{background:#1d4ed8}.qr-section{display:flex;flex-direction:column;gap:1rem;align-items:center}.qr-title{font-size:1rem;font-weight:600;color:#374151}.qr-preview{background:#fff;border:1px solid #e5e7eb;border-radius:8px;padding:1rem}.qr-image{width:200px;height:200px;display:block}.qr-downloads{display:flex;gap:.75rem;flex-wrap:wrap;justify-content:center}.btn-download{background:#fff;color:#374151;border:1px solid #d1d5db;padding:.625rem 1rem;border-radius:6px;font-size:.875rem;font-weight:500;text-decoration:none;cursor:pointer;transition:all .2s}.btn-download:hover{background:#f9fafb;border-color:#9ca3af}.links-page{display:flex;flex-direction:column;gap:2rem}.links-header{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem}.page-title{font-size:2rem;font-weight:700;color:#1f2937}.btn-create{background:#2563eb;color:#fff;border:none;padding:.75rem 1.5rem;border-radius:8px;font-size:1rem;font-weight:500;cursor:pointer;transition:all .2s}.btn-create:hover{background:#1d4ed8}.search-bar{width:100%}.search-input{width:100%;max-width:500px;padding:.875rem 1rem;border:1px solid #d1d5db;border-radius:8px;font-size:1rem}.search-input:focus{outline:none;border-color:#2563eb;box-shadow:0 0 0 3px #2563eb1a}.loading{text-align:center;padding:3rem;font-size:1.125rem;color:#6b7280}.empty-state{text-align:center;padding:4rem 2rem;background:#fff;border-radius:12px;display:flex;flex-direction:column;align-items:center;gap:1rem}.empty-icon{font-size:4rem}.empty-state h2{font-size:1.5rem;color:#1f2937}.empty-state p{color:#6b7280;font-size:1rem}.links-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(350px,1fr));gap:1.5rem}.link-card{background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:1.5rem;display:flex;flex-direction:column;gap:1rem;transition:all .2s}.link-card:hover{box-shadow:0 4px 6px #0000001a;transform:translateY(-2px)}.link-header{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem}.link-info{display:flex;flex-direction:column;gap:.5rem;flex:1;min-width:0}.link-short{font-size:1.125rem;font-weight:600;color:#2563eb;text-decoration:none;word-break:break-all}.link-short:hover{text-decoration:underline}.link-original{font-size:.875rem;color:#6b7280;text-decoration:none;word-break:break-all}.link-original:hover{color:#374151}.link-stats{display:flex;gap:2rem;padding:1rem 0;border-top:1px solid #f3f4f6;border-bottom:1px solid #f3f4f6}.stat{display:flex;flex-direction:column;gap:.25rem}.stat-label{font-size:.75rem;color:#9ca3af;text-transform:uppercase;font-weight:500}.stat-value{font-size:1.25rem;font-weight:600;color:#1f2937}.link-actions{display:flex;gap:.5rem;flex-wrap:wrap}.btn-action{flex:1;min-width:100px;background:#fff;color:#374151;border:1px solid #d1d5db;padding:.625rem 1rem;border-radius:6px;font-size:.875rem;font-weight:500;cursor:pointer;transition:all .2s}.btn-action:hover{background:#f9fafb;border-color:#9ca3af}.btn-danger{color:#dc2626;border-color:#fca5a5}.btn-danger:hover{background:#fef2f2;border-color:#f87171}.details-page{display:flex;flex-direction:column;gap:2rem}.btn-back{background:#fff;border:1px solid #d1d5db;padding:.625rem 1rem;border-radius:8px;font-size:.875rem;cursor:pointer;width:fit-content;transition:all .2s}.btn-back:hover{background:#f9fafb}.details-header{background:#fff;border-radius:12px;padding:2rem;display:flex;justify-content:space-between;align-items:flex-start;gap:2rem;flex-wrap:wrap}.details-title{font-size:1.75rem;font-weight:700;color:#1f2937;margin-bottom:.5rem}.details-link{display:block;font-size:1.25rem;color:#2563eb;text-decoration:none;margin-bottom:.25rem;word-break:break-all}.details-link:hover{text-decoration:underline}.details-original{display:block;font-size:.875rem;color:#6b7280;text-decoration:none;word-break:break-all}.btn-copy-lg{background:#2563eb;color:#fff;border:none;padding:.875rem 1.5rem;border-radius:8px;font-size:1rem;font-weight:500;cursor:pointer;transition:all .2s}.btn-copy-lg:hover{background:#1d4ed8}.stats-overview{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem}.stat-box{background:#fff;border-radius:12px;padding:1.5rem;display:flex;flex-direction:column;gap:.5rem}.stat-box-label{font-size:.875rem;color:#6b7280;font-weight:500}.stat-box-value{font-size:2rem;font-weight:700;color:#1f2937}.analytics-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5rem}.analytics-card{background:#fff;border-radius:12px;padding:1.5rem}.section-title{font-size:1.25rem;font-weight:600;color:#1f2937;margin-bottom:1rem}.data-list{display:flex;flex-direction:column;gap:.75rem}.data-item{display:flex;justify-content:space-between;align-items:center;padding:.75rem;background:#f9fafb;border-radius:6px}.data-label{font-size:.875rem;color:#374151;flex:1}.data-value{font-size:1rem;font-weight:600;color:#1f2937}.no-data{text-align:center;color:#9ca3af;padding:2rem;font-size:.875rem}.qr-section-details{background:#fff;border-radius:12px;padding:2rem}.qr-container{display:flex;gap:2rem;align-items:center;flex-wrap:wrap}.qr-preview-large{background:#f9fafb;border:1px solid #e5e7eb;border-radius:12px;padding:1.5rem;display:flex;justify-content:center;align-items:center}.qr-image-large{width:250px;height:250px;display:block}.qr-actions{flex:1;min-width:250px;display:flex;flex-direction:column;gap:1rem}.qr-description{color:#6b7280;font-size:.875rem;line-height:1.5}.qr-buttons{display:flex;flex-direction:column;gap:.75rem}.btn-qr{background:#fff;color:#374151;border:1px solid #d1d5db;padding:.875rem 1.25rem;border-radius:8px;font-size:.875rem;font-weight:500;text-decoration:none;text-align:center;cursor:pointer;transition:all .2s}.btn-qr:hover{background:#f9fafb;border-color:#9ca3af}.recent-clicks{background:#fff;border-radius:12px;padding:2rem}.clicks-table{display:flex;flex-direction:column;gap:.75rem}.click-row{display:flex;justify-content:space-between;align-items:center;padding:1rem;background:#f9fafb;border-radius:8px;gap:1rem;flex-wrap:wrap}.click-info{display:flex;flex-direction:column;gap:.25rem;flex:1}.click-country{font-weight:600;color:#1f2937}.click-detail{font-size:.875rem;color:#6b7280}.click-time{font-size:.875rem;color:#9ca3af;white-space:nowrap}