*{margin:0;padding:0;box-sizing:border-box}body{font-family:system-ui,-apple-system,sans-serif;background:#f9fafb;color:#111827}.container{max-width:72rem;margin:0 auto;padding:2rem 1rem}.hero{text-align:center;margin-bottom:2rem}.hero-badge{display:inline-block;background:#dbeafe;color:#1e40af;padding:.375rem .875rem;border-radius:999px;font-size:.8125rem;font-weight:600;margin-bottom:1rem}.hero h1{font-size:2.5rem;font-weight:700;margin-bottom:.75rem;color:#111827}.hero p{font-size:1.125rem;color:#6b7280;max-width:40rem;margin:0 auto}.main-layout{display:grid;grid-template-columns:1fr;gap:2rem;margin-bottom:3rem}@media(min-width:1024px){.main-layout{grid-template-columns:1fr 380px}}.input-panel{background:#fff;border-radius:1rem;box-shadow:0 4px 12px #0000000d;border:1px solid #e5e7eb;overflow:hidden}.input-header{padding:1.25rem 1.5rem;border-bottom:1px solid #e5e7eb;display:flex;justify-content:space-between;align-items:center}.input-header h2{font-size:1.125rem;font-weight:600}.input-actions{display:flex;gap:.5rem}.btn-small{padding:.375rem .75rem;font-size:.8125rem;border-radius:.375rem;border:1px solid #d1d5db;background:#fff;color:#374151;cursor:pointer;transition:all .15s}.btn-small:hover{background:#f3f4f6}.text-input{width:100%;min-height:400px;padding:1.5rem;border:none;font-size:1rem;line-height:1.7;resize:vertical;font-family:inherit}.text-input:focus{outline:none}.text-input::-moz-placeholder{color:#9ca3af}.text-input::placeholder{color:#9ca3af}.input-footer{padding:1rem 1.5rem;border-top:1px solid #e5e7eb;background:#f9fafb;display:flex;justify-content:space-between;align-items:center;font-size:.875rem;color:#6b7280}.results-panel{display:flex;flex-direction:column;gap:1rem}.score-card{background:#fff;border-radius:1rem;padding:1.5rem;box-shadow:0 4px 12px #0000000d;border:1px solid #e5e7eb;text-align:center}.score-circle{width:140px;height:140px;margin:0 auto 1rem;position:relative}.score-circle svg{transform:rotate(-90deg);width:100%;height:100%}.score-circle-bg{fill:none;stroke:#e5e7eb;stroke-width:10}.score-circle-progress{fill:none;stroke-width:10;stroke-linecap:round;transition:stroke-dashoffset .8s ease,stroke .3s}.score-value{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:2.5rem;font-weight:700}.score-label{font-size:.9375rem;color:#374151;font-weight:500;margin-bottom:.25rem}.score-description{font-size:.8125rem;color:#6b7280}.metrics-card{background:#fff;border-radius:.75rem;padding:1.25rem;box-shadow:0 2px 6px #0000000a;border:1px solid #e5e7eb}.metrics-card h3{font-size:.8125rem;color:#6b7280;font-weight:500;margin-bottom:.75rem;text-transform:uppercase;letter-spacing:.025em}.metric-row{display:flex;justify-content:space-between;align-items:center;padding:.5rem 0;border-bottom:1px solid #f3f4f6}.metric-row:last-child{border-bottom:none}.metric-label{font-size:.875rem;color:#374151}.metric-value{font-size:.9375rem;font-weight:600;color:#111827}.metric-value.good{color:#059669}.metric-value.warning{color:#d97706}.metric-value.bad{color:#dc2626}.metric-bar{margin-top:.5rem}.metric-bar-track{height:6px;background:#e5e7eb;border-radius:3px;overflow:hidden}.metric-bar-fill{height:100%;border-radius:3px;transition:width .5s ease}.metric-bar-fill.good{background:#10b981}.metric-bar-fill.warning{background:#f59e0b}.metric-bar-fill.bad{background:#ef4444}.issues-card{background:#fff;border-radius:.75rem;padding:1.25rem;box-shadow:0 2px 6px #0000000a;border:1px solid #e5e7eb}.issues-card h3{font-size:.9375rem;font-weight:600;margin-bottom:1rem;display:flex;align-items:center;gap:.5rem}.issue-item{display:flex;gap:.75rem;padding:.75rem;background:#fef2f2;border-radius:.5rem;margin-bottom:.5rem;font-size:.875rem}.issue-item.warning{background:#fffbeb}.issue-item.tip{background:#f0fdf4}.issue-icon{flex-shrink:0}.no-issues{text-align:center;padding:1.5rem;color:#059669;font-size:.9375rem}.info-section{background:#fff;border-radius:1rem;padding:2rem;margin-bottom:2rem;box-shadow:0 4px 12px #0000000d;border:1px solid #e5e7eb}.info-section h2{font-size:1.5rem;margin-bottom:1.5rem;text-align:center}.info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem}.info-card{padding:1.5rem;background:#f9fafb;border-radius:.75rem}.info-card h3{font-size:1.125rem;margin-bottom:.5rem;color:#3b82f6}.info-card p{font-size:.9375rem;color:#6b7280;line-height:1.6}.score-legend{background:#fff;border-radius:1rem;padding:2rem;margin-bottom:2rem;box-shadow:0 4px 12px #0000000d;border:1px solid #e5e7eb}.score-legend h2{font-size:1.5rem;margin-bottom:1.5rem;text-align:center}.legend-table{width:100%;border-collapse:collapse}.legend-table th,.legend-table td{padding:.75rem 1rem;text-align:left;border-bottom:1px solid #e5e7eb}.legend-table th{font-weight:600;background:#f9fafb}.legend-table tr:last-child td{border-bottom:none}.legend-score{font-weight:600}.legend-score.excellent{color:#059669}.legend-score.good{color:#10b981}.legend-score.ok{color:#d97706}.legend-score.difficult{color:#f97316}.legend-score.hard{color:#dc2626}.faq{margin-bottom:2rem}.faq h2{text-align:center;font-size:1.5rem;margin-bottom:1.5rem}.faq-item{background:#fff;margin-bottom:.5rem;border-radius:.5rem;border:1px solid #e5e7eb;overflow:hidden}.faq-question{padding:1rem 1.25rem;cursor:pointer;font-weight:500;display:flex;justify-content:space-between;align-items:center}.faq-question:hover{background:#f9fafb}.faq-question:after{content:"+";font-size:1.25rem;color:#6b7280}details[open] .faq-question:after{content:"−"}.faq-answer{padding:0 1.25rem 1rem;color:#6b7280;line-height:1.7}.related-tools{margin-bottom:2rem}.related-tools h2{text-align:center;font-size:1.5rem;margin-bottom:1.5rem}.tools-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1rem}.tool-card{background:#fff;padding:1.25rem;border-radius:.75rem;border:1px solid #e5e7eb;text-decoration:none;color:inherit;transition:all .2s}.tool-card:hover{border-color:#3b82f6;box-shadow:0 4px 12px #3b82f61a}.tool-card h3{font-size:1rem;margin-bottom:.375rem}.tool-card p{font-size:.8125rem;color:#6b7280}.empty-state{text-align:center;padding:2rem;color:#9ca3af}.empty-state-icon{font-size:3rem;margin-bottom:.75rem}@media(max-width:768px){.hero h1{font-size:1.75rem}.input-header{flex-direction:column;gap:.75rem}.text-input{min-height:250px}}