@import"https://fonts.googleapis.com/css2?family=Instrument+Sans:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap";:root{--bg-primary: #0a0a0c;--bg-secondary: #111114;--bg-tertiary: #18181d;--bg-card: #16161c;--bg-modal: rgba(10, 10, 12, .95);--bg-overlay: linear-gradient(135deg, #0a0a0c 0%, #111114 100%);--text-primary: #f8fafc;--text-secondary: #cbd5e1;--text-muted: #94a3b8;--text-accent: #f59e0b;--accent-primary: #f59e0b;--accent-secondary: #fbbf24;--accent-tertiary: #fef3c7;--border-primary: #27272a;--border-secondary: #3f3f46;--border-accent: #f59e0b;--success: #10b981;--success-light: #a7f3d0;--success-dark: #047857;--warning: #f59e0b;--warning-light: #fde68a;--warning-dark: #b45309;--error: #ef4444;--error-light: #fecaca;--error-dark: #b91c1c;--gradient-primary: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);--gradient-secondary: linear-gradient(135deg, #111114 0%, #1e1e24 100%);--gradient-overlay: linear-gradient(135deg, rgba(10, 10, 12, .9) 0%, rgba(17, 17, 20, .9) 100%);--shadow-sm: 0 1px 3px rgba(0, 0, 0, .4);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .5);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .6);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .7);--shadow-accent: 0 0 20px rgba(245, 158, 11, .25);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 20px;--radius-full: 9999px;--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-base: .25s cubic-bezier(.4, 0, .2, 1);--transition-slow: .4s cubic-bezier(.4, 0, .2, 1);--font-sans: "Instrument Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", "SF Mono", monospace}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-sans);background:var(--bg-primary);color:var(--text-primary);min-height:100vh;line-height:1.6;overflow-x:hidden}body:before{content:"";position:fixed;top:0;left:0;width:100%;height:100%;background-image:radial-gradient(circle at 20% 80%,rgba(245,158,11,.03) 0%,transparent 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var(--border-primary);position:relative}.header:after{content:"";position:absolute;bottom:-1px;left:0;width:100%;height:1px;background:linear-gradient(90deg,transparent,var(--accent-primary),transparent);opacity:.3}.header-content{display:flex;flex-direction:column;gap:.5rem}.logo{display:flex;align-items:center;gap:.75rem}.logo-icon{width:40px;height:40px;background:var(--gradient-primary);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;color:var(--bg-primary);transition:transform var(--transition-base);box-shadow:var(--shadow-accent)}.logo:hover .logo-icon{transform:rotate(15deg) scale(1.1)}.logo h1{font-size:2rem;font-weight:700;letter-spacing:-.5px;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.tagline{color:var(--text-muted);font-size:.95rem;letter-spacing:.3px}.header-actions{display:flex;align-items:center;gap:1rem}.uses-remaining{display:flex;flex-direction:column;align-items:center;background:var(--bg-card);border:1px solid var(--border-primary);border-radius:var(--radius-md);padding:.5rem .75rem;min-width:100px;transition:all var(--transition-base)}.uses-remaining:hover{border-color:var(--accent-primary);transform:translateY(-2px)}.uses-count{font-size:1.25rem;font-weight:600;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.uses-label{font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}.history-btn{width:40px;height:40px;background:var(--bg-card);border:1px solid var(--border-primary);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;color:var(--text-secondary);cursor:pointer;transition:all var(--transition-base)}.history-btn:hover{background:var(--bg-tertiary);border-color:var(--accent-primary);color:var(--accent-primary);transform:rotate(12deg)}.history-panel{background:var(--bg-card);border:1px solid var(--border-primary);border-radius:var(--radius-lg);margin-bottom:2rem;overflow:hidden;box-shadow:var(--shadow-lg);animation:slideDown .3s ease-out}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.history-header{display:flex;justify-content:space-between;align-items:center;padding:1rem 1.5rem;border-bottom:1px solid var(--border-primary)}.history-header h3{font-size:1rem;font-weight:600;color:var(--text-secondary)}.clear-history-btn{background:transparent;border:1px solid var(--border-primary);border-radius:var(--radius-sm);padding:.25rem .75rem;font-size:.75rem;color:var(--text-muted);cursor:pointer;transition:all var(--transition-fast)}.clear-history-btn:hover{border-color:var(--error);color:var(--error)}.history-empty{padding:3rem 1.5rem;text-align:center;color:var(--text-muted);font-size:.9rem}.history-list{max-height:300px;overflow-y:auto}.history-item{width:100%;padding:.75rem 1.5rem;display:flex;justify-content:space-between;align-items:center;background:transparent;border:none;border-bottom:1px solid var(--border-primary);cursor:pointer;transition:all var(--transition-fast);text-align:left}.history-item:last-child{border-bottom:none}.history-item:hover{background:var(--bg-tertiary)}.history-item-info{display:flex;flex-direction:column;gap:.25rem}.history-url{font-size:.9rem;font-weight:500;color:var(--text-primary)}.history-date{font-size:.75rem;color:var(--text-muted);font-family:var(--font-mono)}.history-score{width:40px;height:40px;display:flex;align-items:center;justify-content:center;font-size:.875rem;font-weight:600;border-radius:var(--radius-full);color:var(--text-primary)}.history-score.grade-excellent{background:var(--success-dark)}.history-score.grade-good{background:var(--warning-dark)}.history-score.grade-average{background:#b45309}.history-score.grade-poor{background:var(--error-dark)}.main{margin-bottom:3rem}.search-section{margin-bottom:2rem}.search-box{display:flex;gap:1rem;margin-bottom:1rem}.search-input-wrapper{flex:1;position:relative}.search-icon{position:absolute;left:1rem;top:50%;transform:translateY(-50%);color:var(--text-muted);pointer-events:none;transition:color var(--transition-fast)}.search-input{width:100%;padding:1rem 1rem 1rem 3rem;background:var(--bg-card);border:1px solid var(--border-primary);border-radius:var(--radius-lg);font-family:var(--font-sans);font-size:1rem;color:var(--text-primary);transition:all var(--transition-base)}.search-input:focus{outline:none;border-color:var(--accent-primary);box-shadow:var(--shadow-accent)}.search-input:focus+.search-icon{color:var(--accent-primary)}.analyze-btn{padding:1rem 2rem;background:var(--gradient-primary);border:none;border-radius:var(--radius-lg);font-family:var(--font-sans);font-size:1rem;font-weight:600;color:var(--bg-primary);cursor:pointer;display:flex;align-items:center;gap:.5rem;transition:all var(--transition-base);box-shadow:var(--shadow-md);min-width:140px;justify-content:center}.analyze-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:var(--shadow-lg)}.analyze-btn:disabled{opacity:.6;cursor:not-allowed;transform:none!important}.btn-spinner{width:16px;height:16px;border:2px solid transparent;border-top-color:currentColor;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.error-message{background:#ef44441a;border:1px solid var(--error);border-radius:var(--radius-md);padding:1rem;color:var(--error);text-align:center;margin-top:1rem;animation:fadeIn .3s ease-out}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.uses-warning{color:var(--warning);font-size:.9rem;text-align:center;margin-top:1rem;padding:.5rem;background:#f59e0b0d;border-radius:var(--radius-md)}.upgrade-link{background:transparent;border:none;color:var(--accent-primary);font-weight:600;cursor:pointer;text-decoration:underline;transition:color var(--transition-fast)}.upgrade-link:hover{color:var(--accent-secondary)}.loading-container{padding:4rem 2rem;text-align:center}.loading-content{display:flex;flex-direction:column;align-items:center;gap:1rem}.analyzer-visual{position:relative;width:120px;height:120px}.analyzer-ring{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);border:2px solid var(--accent-primary);border-radius:50%;opacity:.3;animation:pulse 1.5s ease-in-out infinite}.analyzer-ring.delay-1{width:100px;height:100px;animation-delay:.2s}.analyzer-ring.delay-2{width:80px;height:80px;animation-delay:.4s}@keyframes pulse{0%,to{opacity:.3}50%{opacity:.8}}.loading-text{font-size:1.25rem;font-weight:600;color:var(--text-primary)}.loading-subtext{color:var(--text-muted);font-size:.9rem}.results{animation:fadeInUp .6s ease-out}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.results-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem;padding-bottom:1rem;border-bottom:1px solid var(--border-primary)}.results-url{display:flex;flex-direction:column;gap:.25rem}.url-domain{font-size:1.25rem;font-weight:600;color:var(--text-primary)}.url-full{font-size:.9rem;color:var(--text-muted);font-family:var(--font-mono);word-break:break-all}.results-actions{display:flex;gap:.5rem}.export-btn{padding:.5rem 1rem;background:var(--bg-card);border:1px solid var(--border-primary);border-radius:var(--radius-md);font-family:var(--font-sans);font-size:.875rem;color:var(--text-secondary);cursor:pointer;display:flex;align-items:center;gap:.5rem;transition:all var(--transition-fast)}.export-btn:hover{background:var(--bg-tertiary);border-color:var(--accent-primary);color:var(--accent-primary);transform:translateY(-1px)}.score-card{background:var(--bg-card);border:1px solid var(--border-primary);border-radius:var(--radius-lg);padding:2rem;text-align:center;margin-bottom:2rem;box-shadow:var(--shadow-lg);position:relative;overflow:hidden}.score-card:before{content:"";position:absolute;top:0;left:0;width:100%;height:4px;background:var(--gradient-primary)}.score-gauge{position:relative;width:200px;height:200px;margin:0 auto 1.5rem}.score-ring{width:100%;height:100%}.score-ring-bg{stroke:var(--border-primary)}.score-ring-progress{stroke:var(--accent-primary);stroke-linecap:round;transition:stroke-dasharray var(--transition-slow)}.score-content{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);text-align:center}.score-value{font-size:3.5rem;font-weight:700;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1}.score-max{font-size:1.25rem;color:var(--text-muted);margin-top:-.5rem}.score-label{font-size:1.5rem;font-weight:600;color:var(--text-primary);margin-bottom:1rem}.score-bar{width:100%;height:8px;background:var(--border-primary);border-radius:var(--radius-full);overflow:hidden;margin:0 auto;max-width:400px}.score-bar-fill{height:100%;background:var(--gradient-primary);transition:width var(--transition-slow)}.grade-excellent .score-ring-progress{stroke:var(--success)}.grade-excellent .score-bar-fill{background:linear-gradient(135deg,var(--success) 0%,#34d399 100%)}.grade-good .score-ring-progress{stroke:var(--warning)}.grade-good .score-bar-fill{background:linear-gradient(135deg,var(--warning) 0%,#fbbf24 100%)}.grade-average .score-ring-progress{stroke:#f59e0b}.grade-average .score-bar-fill{background:linear-gradient(135deg,#f59e0b,#f97316)}.grade-poor .score-ring-progress{stroke:var(--error)}.grade-poor .score-bar-fill{background:linear-gradient(135deg,var(--error) 0%,#f87171 100%)}.details-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1rem;margin-bottom:2rem}.detail-card{background:var(--bg-card);border:1px solid var(--border-primary);border-radius:var(--radius-lg);padding:1.5rem;transition:all var(--transition-base)}.detail-card:hover{border-color:var(--border-secondary);transform:translateY(-4px);box-shadow:var(--shadow-xl)}.card-header{display:flex;align-items:center;gap:.75rem;margin-bottom:1.5rem;padding-bottom:1rem;border-bottom:1px solid var(--border-primary)}.card-icon{width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:var(--gradient-secondary);border-radius:var(--radius-md);color:var(--accent-primary)}.detail-card h3{font-size:1.125rem;font-weight:600;color:var(--text-primary)}.status-list{display:flex;flex-direction:column;gap:.75rem}.status-item{display:flex;justify-content:space-between;align-items:center;padding:.5rem 0}.status-label{font-size:.9rem;color:var(--text-secondary)}.status-right{display:flex;align-items:center;gap:.75rem}.status-chars{font-size:.75rem;color:var(--text-muted);font-family:var(--font-mono)}.status-badge{padding:.25rem .75rem;border-radius:var(--radius-full);font-size:.75rem;font-weight:500;text-transform:uppercase;letter-spacing:.3px}.status-badge.pass{background:#10b98126;color:var(--success);border:1px solid rgba(16,185,129,.3)}.status-badge.warn{background:#f59e0b26;color:var(--warning);border:1px solid rgba(245,158,11,.3)}.status-badge.fail{background:#ef444426;color:var(--error);border:1px solid rgba(239,68,68,.3)}.keywords-section,.recommendations-section{background:var(--bg-card);border:1px solid var(--border-primary);border-radius:var(--radius-lg);padding:1.5rem;margin-bottom:1rem}.keywords-section h3,.recommendations-section h3{display:flex;align-items:center;gap:.75rem;font-size:1.125rem;font-weight:600;color:var(--text-primary);margin-bottom:1rem}.keywords-section h3 svg,.recommendations-section h3 svg{color:var(--accent-primary)}.keywords-list{display:flex;flex-wrap:wrap;gap:.5rem}.keyword-tag{padding:.5rem 1rem;background:var(--gradient-secondary);border:1px solid var(--border-primary);border-radius:var(--radius-full);font-size:.875rem;color:var(--text-secondary);transition:all var(--transition-fast)}.keyword-tag.primary{background:linear-gradient(135deg,#f59e0b33,#fbbf241a);border-color:#f59e0b4d;color:var(--accent-primary);font-weight:500}.keyword-tag:hover{transform:translateY(-1px);border-color:var(--accent-primary)}.recommendations-list{list-style:none}.recommendation-item{display:flex;align-items:flex-start;gap:1rem;padding:.75rem 0;border-bottom:1px solid var(--border-primary)}.recommendation-item:last-child{border-bottom:none}.rec-number{width:24px;height:24px;display:flex;align-items:center;justify-content:center;background:var(--gradient-primary);border-radius:var(--radius-full);font-size:.75rem;font-weight:600;color:var(--bg-primary);flex-shrink:0}.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#0a0a0ce6;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .3s ease-out}.modal{background:var(--bg-modal);border:1px solid var(--border-primary);border-radius:var(--radius-xl);width:90%;max-width:400px;position:relative;box-shadow:var(--shadow-xl)}.modal-close{position:absolute;top:1rem;right:1rem;width:40px;height:40px;background:var(--bg-card);border:1px solid var(--border-primary);border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;color:var(--text-muted);cursor:pointer;transition:all var(--transition-fast)}.modal-close:hover{background:var(--bg-tertiary);border-color:var(--accent-primary);color:var(--accent-primary);transform:rotate(90deg)}.upgrade-content{padding:3rem 2rem;text-align:center}.upgrade-icon{width:72px;height:72px;background:linear-gradient(135deg,#f59e0b33,#fbbf241a);border:1px solid rgba(245,158,11,.3);border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;margin:0 auto 1.5rem;color:var(--accent-primary)}.upgrade-content h2{font-size:1.5rem;font-weight:600;color:var(--text-primary);margin-bottom:.5rem}.upgrade-price{font-size:2.5rem;font-weight:700;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:2rem}.upgrade-features{list-style:none;margin-bottom:2rem;text-align:left;display:inline-block}.upgrade-features li{padding:.5rem 0;color:var(--text-secondary);display:flex;align-items:center;gap:.5rem}.upgrade-features li:before{content:"✓";color:var(--success);font-weight:600}.upgrade-btn{width:100%;padding:1rem;background:var(--gradient-primary);border:none;border-radius:var(--radius-lg);font-family:var(--font-sans);font-size:1rem;font-weight:600;color:var(--bg-primary);cursor:pointer;transition:all var(--transition-base);box-shadow:var(--shadow-md)}.upgrade-btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.footer{text-align:center;padding:2rem 0;color:var(--text-muted);font-size:.85rem;border-top:1px solid var(--border-primary);margin-top:3rem;position:relative}.footer:before{content:"";position:absolute;top:-1px;left:0;width:100%;height:1px;background:linear-gradient(90deg,transparent,var(--accent-primary),transparent);opacity:.3}@media(max-width:768px){.app{padding:1rem}.header{flex-direction:column;align-items:flex-start;gap:1rem}.header-actions{width:100%;justify-content:space-between}.search-box{flex-direction:column}.analyze-btn{width:100%}.score-gauge{width:160px;height:160px}.score-value{font-size:2.5rem}.details-grid{grid-template-columns:1fr}.results-header{flex-direction:column;gap:1rem;align-items:flex-start}.results-actions{width:100%;justify-content:flex-end}}@media(max-width:480px){.logo h1{font-size:1.75rem}.score-gauge{width:140px;height:140px}.score-value{font-size:2rem}.score-label{font-size:1.25rem}.detail-card{padding:1rem}.status-item{flex-direction:column;align-items:flex-start;gap:.5rem}.status-right{align-self:flex-end}.keyword-tag{font-size:.75rem;padding:.4rem .8rem}}.install-prompt{position:fixed;bottom:2rem;left:50%;transform:translate(-50%);background:var(--bg-modal);border:1px solid var(--border-primary);border-radius:var(--radius-lg);padding:1rem;display:flex;align-items:center;gap:1rem;z-index:1001;box-shadow:var(--shadow-xl);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);animation:slideUp .3s ease-out}@keyframes slideUp{0%{opacity:0;transform:translate(-50%,20px)}to{opacity:1;transform:translate(-50%)}}.install-prompt button{padding:.5rem 1rem;background:var(--gradient-primary);border:none;border-radius:var(--radius-md);font-size:.875rem;font-weight:600;color:var(--bg-primary);cursor:pointer;transition:transform var(--transition-fast)}.install-prompt button:hover{transform:scale(1.05)}