:root{--tool-accent: #0f0f0f;--tool-accent-hover: #333;--tool-bg: #ffffff;--tool-bg-off: #f8f9fa;--tool-bg-secondary: #f3f4f6;--tool-bg-tertiary: #e5e7eb;--tool-text: #1f2937;--tool-text-muted: #6b7280;--tool-text-faint: #9ca3af;--tool-border: #e5e7eb;--tool-border-dark: #d1d5db;--tool-danger: #ef4444;--tool-success: #22c55e;--tool-warning: #f59e0b;--tool-info: #3b82f6;--severity-error: #ef4444;--severity-warn: #f59e0b;--severity-info: #3b82f6;--severity-debug: #6b7280}html.theme-dark{--tool-bg: #0a0a0a;--tool-bg-off: #111111;--tool-bg-secondary: #1a1a1a;--tool-bg-tertiary: #222222;--tool-text: #e0e0e0;--tool-text-muted: #9ca3af;--tool-text-faint: #6b7280;--tool-border: #272727;--tool-border-dark: #333333}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:Anek Devanagari,sans-serif;background:var(--tool-bg);color:var(--tool-text);min-height:100vh;font-size:14px}.logsift-main{width:100%;max-width:1600px;margin:0 auto;padding:20px 16px 60px}.page-intro{margin-bottom:20px}.page-intro h1{font-size:20px;font-weight:700;margin-bottom:4px;display:flex;align-items:center;gap:8px}.page-intro h1 img{width:24px;height:24px}.page-intro p{font-size:14px;color:var(--tool-text-muted);line-height:1.5}.privacy-banner{background:linear-gradient(135deg,#22c55e10,#3b82f610);border:1px solid var(--tool-success);border-radius:8px;padding:12px 16px;margin-bottom:20px;display:flex;align-items:center;gap:10px;font-size:13px}.privacy-banner svg{width:18px;height:18px;flex-shrink:0}.controls-bar{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-bottom:20px;padding:12px 16px;background:var(--tool-bg-off);border:1px solid var(--tool-border);border-radius:10px}.control-group{display:flex;align-items:center;gap:8px}.control-label{font-size:11px;font-weight:700;color:var(--tool-text-faint);text-transform:uppercase;letter-spacing:.5px}.preset-select{padding:6px 12px;border:1px solid var(--tool-border-dark);border-radius:6px;background:var(--tool-bg);color:var(--tool-text);font-size:13px;font-family:inherit;cursor:pointer}.preset-select:focus{outline:none;border-color:var(--tool-accent)}.sensitivity-slider{display:flex;align-items:center;gap:8px}.sensitivity-slider input[type=range]{width:100px;accent-color:var(--tool-accent)}.sensitivity-value{font-size:12px;color:var(--tool-text-muted);min-width:50px}.toggle-pill{display:flex;align-items:center;gap:6px;padding:6px 12px;background:var(--tool-bg);border:1px solid var(--tool-border);border-radius:20px;cursor:pointer;font-size:12px;transition:all .15s}.toggle-pill.active{background:var(--tool-accent);border-color:var(--tool-accent);color:#fff}.toggle-pill input{display:none}.main-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:24px}@media(max-width:900px){.main-grid{grid-template-columns:1fr}}.input-panel{display:flex;flex-direction:column}.drop-zone{border:2px dashed var(--tool-border-dark);border-radius:10px;padding:24px;text-align:center;cursor:pointer;transition:all .15s;background:var(--tool-bg);margin-bottom:12px}.drop-zone:hover,.drop-zone.dragover{border-color:var(--tool-accent);background:var(--tool-bg-off)}.drop-zone svg{width:32px;height:32px;margin-bottom:8px;opacity:.5}.drop-zone-text{font-size:14px;color:var(--tool-text);font-weight:500}.drop-zone-sub{font-size:12px;color:var(--tool-text-muted);margin-top:4px}.log-input{width:100%;min-height:300px;padding:14px;border:1px solid var(--tool-border-dark);border-radius:8px;background:var(--tool-bg);color:var(--tool-text);font-family:SF Mono,Fira Code,Consolas,monospace;font-size:11px;resize:vertical;line-height:1.5}.log-input:focus{outline:none;border-color:var(--tool-accent)}.file-input{display:none}.action-buttons{display:flex;gap:8px;margin-top:12px}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:6px;border:1.5px solid var(--tool-border-dark);background:var(--tool-bg);color:var(--tool-text);font-size:13px;font-weight:500;cursor:pointer;transition:all .15s;font-family:inherit}.btn:hover{background:var(--tool-bg-secondary);border-color:var(--tool-accent)}.btn:focus{outline:2px solid var(--tool-accent);outline-offset:2px}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--tool-accent);border-color:var(--tool-accent);color:#fff}.btn-primary:hover{background:var(--tool-accent-hover);border-color:var(--tool-accent-hover)}.btn-sm{padding:5px 10px;font-size:12px}.btn-danger{border-color:var(--tool-danger);color:var(--tool-danger)}.btn-danger:hover{background:#ef444415}.results-panel{display:flex;flex-direction:column}.tabs{display:flex;gap:4px;margin-bottom:16px;border-bottom:1px solid var(--tool-border);padding-bottom:8px;overflow-x:auto}.tab{padding:8px 16px;background:none;border:none;font-size:13px;font-weight:500;color:var(--tool-text-muted);cursor:pointer;border-radius:6px 6px 0 0;transition:all .15s;white-space:nowrap;font-family:inherit}.tab:hover{color:var(--tool-text);background:var(--tool-bg-secondary)}.tab.active{color:var(--tool-text);background:var(--tool-bg-secondary);border-bottom:2px solid var(--tool-accent)}.tab-content{display:none}.tab-content.active{display:block}.summary-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;margin-bottom:20px}.summary-card{background:var(--tool-bg);border:1px solid var(--tool-border);border-radius:8px;padding:14px;text-align:center}.summary-value{font-size:24px;font-weight:800;color:var(--tool-text)}.summary-value.error{color:var(--severity-error)}.summary-value.warn{color:var(--severity-warn)}.summary-value.info{color:var(--severity-info)}.summary-label{font-size:11px;color:var(--tool-text-muted);text-transform:uppercase;letter-spacing:.5px;margin-top:4px}.root-cause-box{background:linear-gradient(135deg,#ef444410,#f59e0b10);border:1px solid var(--tool-danger);border-radius:10px;padding:16px;margin-bottom:20px}.root-cause-title{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--tool-danger);margin-bottom:8px;display:flex;align-items:center;gap:6px}.root-cause-text{font-size:14px;color:var(--tool-text);line-height:1.6}.confidence-badge{display:inline-block;padding:2px 8px;border-radius:10px;font-size:10px;font-weight:600;margin-left:8px}.confidence-high{background:#22c55e20;color:var(--tool-success)}.confidence-medium{background:#f59e0b20;color:var(--tool-warning)}.confidence-low{background:#6b728020;color:var(--tool-text-muted)}.groups-list{display:flex;flex-direction:column;gap:10px}.group-card{background:var(--tool-bg);border:1px solid var(--tool-border);border-radius:8px;overflow:hidden}.group-header{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;background:var(--tool-bg-secondary);cursor:pointer}.group-header:hover{background:var(--tool-bg-tertiary)}.group-left{display:flex;align-items:center;gap:10px;flex:1;min-width:0}.severity-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0}.severity-dot.error{background:var(--severity-error)}.severity-dot.warn{background:var(--severity-warn)}.severity-dot.info{background:var(--severity-info)}.severity-dot.debug{background:var(--severity-debug)}.group-pattern{font-size:13px;font-weight:500;color:var(--tool-text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1}.group-meta{display:flex;align-items:center;gap:10px}.count-badge{background:var(--tool-bg-tertiary);padding:2px 8px;border-radius:10px;font-size:11px;font-weight:600;color:var(--tool-text)}.badge-trigger{background:#ef444420;color:var(--tool-danger);padding:2px 8px;border-radius:4px;font-size:10px;font-weight:700;text-transform:uppercase}.badge-symptom{background:#f59e0b20;color:var(--tool-warning);padding:2px 8px;border-radius:4px;font-size:10px;font-weight:700;text-transform:uppercase}.badge-noise{background:#6b728020;color:var(--tool-text-muted);padding:2px 8px;border-radius:4px;font-size:10px;font-weight:700;text-transform:uppercase}.group-body{padding:12px 14px;display:none;border-top:1px solid var(--tool-border);font-size:12px}.group-card.expanded .group-body{display:block}.group-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:10px}.group-stat{text-align:center;padding:8px;background:var(--tool-bg-off);border-radius:6px}.group-stat-value{font-size:14px;font-weight:700}.group-stat-label{font-size:10px;color:var(--tool-text-muted);text-transform:uppercase}.group-sample{background:var(--tool-bg);border:1px solid 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var(--tool-border)}.timeline-item.error{border-left-color:var(--severity-error)}.timeline-item.error:before{background:var(--severity-error);border-color:var(--severity-error)}.timeline-item.warn{border-left-color:var(--severity-warn)}.timeline-item.warn:before{background:var(--tool-bg);border-color:var(--severity-warn)}.timeline-time{font-size:11px;font-weight:600;color:var(--tool-text-muted);margin-bottom:2px}.timeline-message{font-size:13px;color:var(--tool-text);word-break:break-word}.timeline-badge{display:inline-block;margin-left:8px;font-size:9px;padding:1px 5px;border-radius:3px;vertical-align:middle}.compare-section{background:var(--tool-bg);border:1px solid var(--tool-border);border-radius:10px;padding:16px;margin-bottom:20px}.compare-grid{display:grid;grid-template-columns:1fr 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svg{width:48px;height:48px;margin-bottom:12px;opacity:.4}.hidden{display:none!important}.progress-container{margin-top:12px;display:none}.progress-container.visible{display:block}.progress-bar{height:8px;background:var(--tool-bg-tertiary);border-radius:4px;overflow:hidden;margin-bottom:8px}.progress-fill{height:100%;background:linear-gradient(90deg,var(--tool-info),var(--tool-success));border-radius:4px;transition:width .2s ease;width:0%}.progress-text{font-size:12px;color:var(--tool-text-muted);text-align:center}.size-warning{background:#f59e0b20;border:1px solid var(--tool-warning);border-radius:8px;padding:12px 16px;margin-bottom:12px;font-size:13px;color:var(--tool-warning);display:none}.size-warning.visible{display:block}.file-info{font-size:12px;color:var(--tool-text-muted);margin-top:8px}