:root{--color-bg: #131313;--color-surface: #1a1a1a;--color-surface-hover: #252525;--color-border: #333;--color-text: #f9f9f9;--color-text-muted: #888;--color-primary: #50e3c2;--color-primary-hover: #49d1b3;--color-success: #22c55e;--color-error: #ef4444;--color-warning: #f59e0b;--color-info: #3b82f6;--color-fatal: #dc2626;--radius: 8px;--shadow: 0 4px 6px -1px rgba(0, 0, 0, .3)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;background:var(--color-bg);color:var(--color-text);line-height:1.6;min-height:100vh}.container{max-width:900px;margin:0 auto;padding:2rem 1rem}header{text-align:center;margin-bottom:2rem}header h1{font-size:2.5rem;font-weight:700;background:linear-gradient(135deg,var(--color-primary),var(--color-primary-hover));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.subtitle{color:var(--color-text-muted);font-size:1.1rem;margin-top:.5rem}.upload-section{margin-bottom:2rem}.drop-zone{border:2px dashed var(--color-border);border-radius:var(--radius);padding:3rem 2rem;text-align:center;transition:all .2s ease;background:var(--color-surface)}.drop-zone:hover,.drop-zone.drag-over{border-color:var(--color-primary);background:var(--color-surface-hover)}.drop-zone-content{display:flex;flex-direction:column;align-items:center;gap:1rem}.upload-icon{width:48px;height:48px;color:var(--color-text-muted)}.drop-zone p{color:var(--color-text-muted)}.or{font-size:.875rem}.btn{display:inline-block;padding:.75rem 1.5rem;border-radius:var(--radius);font-size:1rem;font-weight:500;cursor:pointer;transition:all .2s ease;border:none}.btn-primary{background:var(--color-primary);color:#131313}.btn-primary:hover{background:var(--color-primary-hover)}.file-input-label{cursor:pointer}.loading-section{text-align:center;padding:3rem}.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 1rem}@keyframes spin{to{transform:rotate(360deg)}}.results-section{background:var(--color-surface);border-radius:var(--radius);padding:1.5rem;box-shadow:var(--shadow)}.results-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem;flex-wrap:wrap;gap:1rem}.results-header h2{font-size:1.25rem}.results-summary{display:flex;align-items:center;gap:.5rem;padding:.5rem 1rem;border-radius:var(--radius);font-weight:600}.results-summary.valid{background:#22c55e26;color:var(--color-success)}.results-summary.invalid{background:#ef444426;color:var(--color-error)}.results-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:1rem;margin-bottom:1.5rem}.stat-card{background:var(--color-bg);border-radius:var(--radius);padding:1rem;text-align:center}.stat-card .count{font-size:1.5rem;font-weight:700}.stat-card .label{font-size:.875rem;color:var(--color-text-muted)}.stat-card.fatal .count{color:var(--color-fatal)}.stat-card.error .count{color:var(--color-error)}.stat-card.warning .count{color:var(--color-warning)}.stat-card.info .count{color:var(--color-info)}.stat-card.usage .count{color:var(--color-text-muted)}.messages-filters{display:flex;gap:.5rem;margin-bottom:1rem;flex-wrap:wrap}.filter-btn{padding:.5rem 1rem;border:1px solid var(--color-border);border-radius:var(--radius);background:transparent;color:var(--color-text-muted);cursor:pointer;transition:all .2s ease;font-size:.875rem}.filter-btn:hover{background:var(--color-surface-hover);color:var(--color-text)}.filter-btn.active{background:var(--color-primary);border-color:var(--color-primary);color:#131313}.messages-list{max-height:400px;overflow-y:auto}.message{display:flex;gap:1rem;padding:1rem;border-radius:var(--radius);background:var(--color-bg);margin-bottom:.5rem}.message:last-child{margin-bottom:0}.message-badge{flex-shrink:0;padding:.25rem .5rem;border-radius:4px;font-size:.75rem;font-weight:600;text-transform:uppercase}.message-badge.fatal{background:#dc262633;color:var(--color-fatal)}.message-badge.error{background:#ef444433;color:var(--color-error)}.message-badge.warning{background:#f59e0b33;color:var(--color-warning)}.message-badge.info{background:#3b82f633;color:var(--color-info)}.message-badge.usage{background:#8883;color:var(--color-text-muted)}.message-content{flex:1;min-width:0}.message-id{font-family:monospace;font-size:.75rem;color:var(--color-text-muted);margin-bottom:.25rem}.message-text{word-break:break-word}.message-location{font-size:.875rem;color:var(--color-text-muted);margin-top:.5rem;font-family:monospace}.no-messages{text-align:center;padding:2rem;color:var(--color-text-muted)}.about-section{margin-top:3rem;padding:2rem;background:var(--color-surface);border-radius:var(--radius)}.about-section h2{font-size:1.5rem;margin-bottom:1rem;color:var(--color-text)}.about-section h3{font-size:1.1rem;margin-top:1.5rem;margin-bottom:.75rem;color:var(--color-text)}.about-section p{color:var(--color-text-muted);margin-bottom:1rem;line-height:1.7}.about-section ul{color:var(--color-text-muted);margin-left:1.5rem;margin-bottom:1rem}.about-section li{margin-bottom:.5rem;line-height:1.6}.about-section strong{color:var(--color-text)}.about-section a{color:var(--color-primary);text-decoration:none}.about-section a:hover{text-decoration:underline}footer{text-align:center;margin-top:3rem;padding-top:2rem;border-top:1px solid var(--color-border);color:var(--color-text-muted);font-size:.875rem}footer p{margin-bottom:.5rem}footer .footer-promo{margin-top:.75rem;font-size:.8rem}footer .footer-logo{width:16px;height:16px;vertical-align:middle;margin-right:.25rem}footer a{color:var(--color-primary);text-decoration:none}footer a:hover{text-decoration:underline}@media(max-width:600px){.container{padding:1rem}header h1{font-size:2rem}.drop-zone{padding:2rem 1rem}.results-header{flex-direction:column;align-items:flex-start}}