#rt-tool{--radius:10px;--err:#ff5c6a;--rt-read:#43e8d8;--rt-speak:#6c63ff;--rt-skim:#ffb347;--rt-extra:#f857a6}[data-theme=light] #rt-tool{--err:#d92f3d}.rt-share-row{margin-top:14px}.rt-panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:20px;padding:24px}.rt-panel-hd{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;margin-bottom:6px;display:flex}.rt-panel-actions{flex-wrap:wrap;gap:8px;display:flex}.rt-panel-title{color:var(--txt-strong);margin-bottom:10px;font-size:17px;font-weight:800}.rt-panel-sub{color:var(--txt-dim);margin-bottom:14px;font-size:13px;line-height:1.6}.rt-textarea{resize:vertical;background:var(--surface2);border:1px solid var(--border);width:100%;min-height:220px;color:var(--txt-strong);font-family:var(--sans);border-radius:8px;outline:none;padding:16px;font-size:14px;line-height:1.7;transition:border-color .2s}.rt-textarea:focus{border-color:var(--accent)}.rt-live-meta{color:var(--txt-dim);font-size:12px;font-family:var(--mono);margin-top:8px}.rt-preset-row{flex-wrap:wrap;gap:8px;margin-bottom:16px;display:flex}.rt-chip{cursor:pointer;background:var(--surface2);border:1px solid var(--border);color:var(--txt-dim);border-radius:999px;padding:8px 16px;font-size:13px;font-weight:700;transition:all .2s}.rt-chip:hover{border-color:var(--accent);color:var(--txt-strong)}.rt-chip.active{background:color-mix(in srgb, var(--accent) 16%, transparent);border-color:color-mix(in srgb, var(--accent) 45%, transparent);color:var(--accent)}.rt-slider-row{align-items:center;gap:14px;margin-bottom:18px;display:flex}.rt-slider-row input[type=range]{accent-color:var(--accent);flex:1}.rt-wpm-val{font-family:var(--mono);color:var(--txt-strong);white-space:nowrap;font-size:14px;font-weight:800}.rt-grid-2{grid-template-columns:1fr 1fr;gap:14px;display:grid}.rt-field label{color:var(--txt-dim);text-transform:uppercase;letter-spacing:.4px;margin-bottom:6px;font-size:12px;font-weight:700;display:block}.rt-field select{background:var(--surface2);border:1px solid var(--border);width:100%;color:var(--txt-strong);font-family:var(--sans);border-radius:8px;outline:none;padding:10px 12px;font-size:13px;transition:border-color .2s}.rt-field select:focus{border-color:var(--accent)}.rt-check{color:var(--txt);cursor:pointer;align-items:center;gap:9px;font-size:13px;display:flex}.rt-check input{width:16px;height:16px;accent-color:var(--accent);cursor:pointer}.rt-result-grid{grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px;margin-bottom:20px;display:grid}.rt-result-grid.three{grid-template-columns:repeat(3,1fr)}.rt-result-card{background:var(--surface2);border:1px solid var(--border);text-align:center;border-radius:12px;padding:18px}.rt-result-card.main{border-color:color-mix(in srgb, var(--rt-read) 40%, var(--border))}.rt-result-label{color:var(--txt-dim);text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px;font-size:11px;font-weight:700}.rt-result-value{color:var(--txt-strong);font-size:22px;font-weight:900;font-family:var(--mono);letter-spacing:-.5px}.rt-result-note{color:var(--txt-dim);margin-top:4px;font-size:11px}.rt-timeline-wrap{margin-bottom:20px}.rt-timeline-label{color:var(--txt-dim);text-transform:uppercase;letter-spacing:.4px;margin-bottom:8px;font-size:12px;font-weight:700}.rt-timeline{background:var(--surface2);border-radius:999px;height:16px;display:flex;overflow:hidden}.rt-timeline span{height:100%;transition:width .3s}.rt-timeline-legend{color:var(--txt-dim);flex-wrap:wrap;gap:14px;margin-top:10px;font-size:12px;display:flex}.rt-timeline-legend .dot{border-radius:50%;width:9px;height:9px;margin-right:6px;display:inline-block}.rt-stats-grid{grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:10px;margin-bottom:6px;display:grid}.rt-stat{background:var(--surface);border:1px solid var(--border);text-align:center;border-radius:10px;padding:14px}.rt-stat span{color:var(--txt-strong);font-size:18px;font-weight:800;font-family:var(--mono);display:block}.rt-stat label{color:var(--txt-dim);text-transform:uppercase;letter-spacing:.4px;margin-top:4px;font-size:10.5px;display:block}.rt-actions{flex-wrap:wrap;gap:12px;margin-top:16px;display:flex}.rt-table-wrap{overflow-x:auto}table.rt-table{border-collapse:collapse;width:100%;font-size:13px}table.rt-table th,table.rt-table td{border-bottom:1px solid var(--border);text-align:left;padding:10px 12px}table.rt-table th{color:var(--txt-dim);text-transform:uppercase;letter-spacing:.4px;font-size:11px}table.rt-table tr:hover td{background:var(--surface2)}.pane-btn{border:1px solid var(--border);background:var(--surface2);color:var(--txt);cursor:pointer;border-radius:7px;padding:8px 14px;font-size:12px;font-weight:700;transition:background .2s,color .2s,border-color .2s}.pane-btn:hover{background:var(--surface);color:var(--txt-strong);border-color:var(--accent)}.pane-btn.danger{color:var(--err);border-color:color-mix(in srgb, var(--err) 30%, transparent)}.pane-btn.danger:hover{background:color-mix(in srgb, var(--err) 10%, transparent);border-color:var(--err)}.rt-history-list{flex-direction:column;gap:8px;max-height:380px;display:flex;overflow-y:auto}.rt-history-empty{text-align:center;color:var(--txt-dim);background:var(--surface2);border:1px dashed var(--border);border-radius:var(--radius);padding:20px;font-size:13px}.rt-history-item{background:var(--surface2);border:1px solid var(--border);cursor:pointer;border-radius:9px;align-items:center;gap:12px;padding:9px 14px;transition:border-color .2s;display:flex}.rt-history-item:hover{border-color:var(--accent)}.rt-history-text{min-width:0;font-family:var(--mono);color:var(--txt);white-space:nowrap;text-overflow:ellipsis;flex:1;font-size:12px;overflow:hidden}.rt-history-time{color:var(--txt-dim);font-size:11px;font-family:var(--mono);flex-shrink:0}.rt-history-del{border:1px solid var(--border);width:24px;height:24px;color:var(--txt-dim);cursor:pointer;background:0 0;border-radius:6px;flex-shrink:0;font-size:12px}.rt-history-del:hover{color:var(--err);border-color:var(--err)}.b64-howto{counter-reset:rt-step;flex-direction:column;gap:14px;max-width:800px;list-style:none;display:flex}.b64-howto li{color:var(--txt);padding-left:40px;font-size:14px;line-height:1.65;position:relative}.b64-howto li:before{counter-increment:rt-step;content:counter(rt-step);background:linear-gradient(135deg, var(--grad1), var(--grad2));color:#fff;border-radius:8px;justify-content:center;align-items:center;width:28px;height:28px;font-size:13px;font-weight:800;display:flex;position:absolute;top:0;left:0}.b64-howto strong{color:var(--txt-strong)}.b64-howto code{font-family:var(--mono);color:var(--accent)}@media print{nav,.mobile-nav,.breadcrumb-wrap,.support-section,.browse-cats,footer,.tool-faq-section,.cat-hero,.rt-panel-actions,.rt-actions,#rt-file-input,.rt-history-list,.rt-toast{display:none!important}#rt-results-panel,#rt-readability-panel{display:block!important}}.rt-toast{background:var(--surface2);border:1px solid var(--border);color:var(--txt-strong);font-family:var(--mono);z-index:2000;opacity:0;pointer-events:none;border-radius:999px;padding:10px 20px;font-size:13px;font-weight:600;transition:opacity .25s,transform .25s;position:fixed;bottom:28px;left:50%;transform:translate(-50%)translateY(20px)}.rt-toast.show{opacity:1;transform:translate(-50%)translateY(0)}@media (width<=800px){.rt-grid-2,.rt-result-grid.three{grid-template-columns:1fr}}@media (width<=650px){.rt-panel{padding:18px}.rt-actions{flex-direction:column}.rt-actions button{width:100%}}