.rtc-tool{--rtc-ink: #16202c;--rtc-paper: #f7f8fb;--rtc-panel: #ffffff;--rtc-line: rgba(15, 23, 42, .1);--rtc-muted: #5b6472;--rtc-accent: #4f46e5;--rtc-accent-soft: #eef2ff;--rtc-accent-ink: #3730a3;--rtc-focus: #818cf8;background:var(--rtc-paper);border:1px solid var(--rtc-line);border-radius:16px;box-shadow:0 1px 2px #0f172a0a,0 12px 32px #0f172a0f;color:var(--rtc-ink);font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;overflow:hidden}.rtc-tool__intro{align-items:flex-start;background:var(--rtc-panel);border-bottom:1px solid var(--rtc-line);display:flex;gap:16px;justify-content:space-between;padding:22px 24px}.rtc-kicker{color:var(--rtc-accent);display:block;font-size:11px;font-weight:750;letter-spacing:.12em;margin-bottom:4px;text-transform:uppercase}.rtc-tool__intro h2{font-size:21px;letter-spacing:-.015em;margin:0 0 4px}.rtc-tool__intro p{color:var(--rtc-muted);font-size:13.5px;line-height:1.55;margin:0;max-width:620px}.rtc-button{align-items:center;background:var(--rtc-panel);border:1px solid var(--rtc-line);border-radius:10px;color:var(--rtc-ink);cursor:pointer;display:inline-flex;flex-shrink:0;font:inherit;font-size:13px;font-weight:650;gap:7px;min-height:44px;padding:10px 15px;transition:background-color .15s ease,border-color .15s ease,color .15s ease}.rtc-button:hover{border-color:var(--rtc-accent);color:var(--rtc-accent-ink)}.rtc-button:focus-visible,.rtc-tool input:focus-visible,.rtc-tool textarea:focus-visible{outline:3px solid var(--rtc-focus);outline-offset:2px}.rtc-icon{flex-shrink:0}.rtc-workspace{display:grid;grid-template-columns:minmax(0,55fr) minmax(0,45fr)}.rtc-editor,.rtc-results{min-width:0;padding:22px 24px}.rtc-editor{border-right:1px solid var(--rtc-line);display:flex;flex-direction:column;gap:16px}.rtc-section-title{align-items:center;color:var(--rtc-muted);display:flex;font-size:11px;font-weight:750;gap:8px;letter-spacing:.1em;margin:0;text-transform:uppercase}.rtc-section-title .rtc-icon{color:var(--rtc-accent)}.rtc-textarea{background:var(--rtc-panel);border:1px solid var(--rtc-line);border-radius:12px;box-sizing:border-box;color:var(--rtc-ink);display:block;font:400 15px/1.6 inherit;height:330px;padding:14px 16px;resize:vertical;width:100%}.rtc-textarea::placeholder{color:var(--rtc-muted);opacity:.75}.rtc-editor__meta{align-items:center;color:var(--rtc-muted);display:flex;flex-wrap:wrap;font-size:12.5px;gap:10px;justify-content:space-between}.rtc-counter{font-variant-numeric:tabular-nums}.rtc-editor__actions{display:flex;flex-wrap:wrap;gap:10px}.rtc-samples{display:flex;flex-wrap:wrap;gap:10px;margin-top:2px}.rtc-chip{background:var(--rtc-accent-soft);border:1px solid transparent;border-radius:999px;color:var(--rtc-accent-ink);cursor:pointer;font:inherit;font-size:12.5px;font-weight:650;min-height:36px;padding:6px 14px;transition:background-color .15s ease,border-color .15s ease}.rtc-chip:hover{border-color:var(--rtc-accent)}.rtc-chip:focus-visible{outline:3px solid var(--rtc-focus);outline-offset:2px}.rtc-results{display:flex;flex-direction:column;gap:16px}.rtc-hero{background:linear-gradient(135deg,var(--rtc-accent) 0%,#6d28d9 100%);border-radius:12px;color:#fff;padding:20px 22px}.rtc-hero__label{display:block;font-size:11px;font-weight:750;letter-spacing:.12em;opacity:.85;text-transform:uppercase}.rtc-hero__value{display:block;font-size:32px;font-variant-numeric:tabular-nums;font-weight:750;letter-spacing:-.02em;line-height:1.15;margin-top:6px;overflow-wrap:anywhere}.rtc-hero__hint{color:#ffffffd9;display:block;font-size:12.5px;margin-top:6px}.rtc-stats{display:grid;gap:10px;grid-template-columns:repeat(auto-fit,minmax(120px,1fr))}.rtc-stat{background:var(--rtc-panel);border:1px solid var(--rtc-line);border-radius:12px;min-width:0;padding:14px}.rtc-stat__value{display:block;font-size:21px;font-variant-numeric:tabular-nums;font-weight:750;letter-spacing:-.01em;overflow-wrap:anywhere}.rtc-stat__label{color:var(--rtc-muted);display:block;font-size:12px;margin-top:3px}.rtc-pace{background:var(--rtc-panel);border:1px solid var(--rtc-line);border-radius:12px;display:flex;flex-direction:column;gap:12px;padding:16px}.rtc-pace__head{align-items:center;display:flex;gap:8px;justify-content:space-between}.rtc-pace__head h3{font-size:14px;margin:0}.rtc-pace__value{color:var(--rtc-accent-ink);font-size:14px;font-variant-numeric:tabular-nums;font-weight:750;white-space:nowrap}.rtc-slider{-webkit-appearance:none;appearance:none;background:transparent;height:32px;margin:0;width:100%}.rtc-slider::-webkit-slider-runnable-track{background:var(--rtc-accent-soft);border-radius:999px;height:6px}.rtc-slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;background:var(--rtc-accent);border:2px solid #fff;border-radius:50%;box-shadow:0 1px 4px #0f172a40;cursor:pointer;height:20px;margin-top:-7px;width:20px}.rtc-slider::-moz-range-track{background:var(--rtc-accent-soft);border-radius:999px;height:6px}.rtc-slider::-moz-range-thumb{background:var(--rtc-accent);border:2px solid #fff;border-radius:50%;box-shadow:0 1px 4px #0f172a40;cursor:pointer;height:20px;width:20px}.rtc-slider:focus-visible{outline:3px solid var(--rtc-focus);outline-offset:2px}.rtc-scale{color:var(--rtc-muted);display:flex;font-size:11px;justify-content:space-between}.rtc-presets{display:flex;gap:8px}.rtc-preset{background:var(--rtc-panel);border:1px solid var(--rtc-line);border-radius:10px;color:var(--rtc-muted);cursor:pointer;flex:1;font:inherit;font-size:12.5px;font-weight:650;min-height:38px;padding:7px 10px;transition:background-color .15s ease,border-color .15s ease,color .15s ease}.rtc-preset:hover{border-color:var(--rtc-accent);color:var(--rtc-accent-ink)}.rtc-preset.is-active{background:var(--rtc-accent-soft);border-color:var(--rtc-accent);color:var(--rtc-accent-ink)}.rtc-preset:focus-visible{outline:3px solid var(--rtc-focus);outline-offset:2px}.rtc-note{color:var(--rtc-muted);display:flex;font-size:12.5px;gap:8px;line-height:1.5;margin:0}.rtc-note .rtc-icon{color:var(--rtc-accent);flex-shrink:0;margin-top:1px}.rtc-full-page-button .rtc-icon{width:15px;height:15px}.rtc-tool.is-fullscreen{border-radius:0;min-height:100vh;overflow:auto;position:fixed;inset:0;z-index:1080}.rtc-tool.is-fullscreen .rtc-workspace{min-height:calc(100vh - 120px)}.rtc-page-locked{overflow:hidden}[data-bs-theme=dark] .rtc-tool{--rtc-ink: #e6e9f2;--rtc-paper: #141824;--rtc-panel: #1b2130;--rtc-line: rgba(148, 163, 184, .18);--rtc-muted: #9aa3b5;--rtc-accent: #818cf8;--rtc-accent-soft: #262a44;--rtc-accent-ink: #c7d2fe;--rtc-focus: #a5b4fc;box-shadow:0 1px 2px #0000004d,0 12px 32px #00000059}[data-bs-theme=dark] .rtc-tool__intro{background:#171c2a}[data-bs-theme=dark] .rtc-textarea{background:#141824}[data-bs-theme=dark] .rtc-hero{background:linear-gradient(135deg,#4338ca,#6d28d9)}[data-bs-theme=dark] .rtc-preset{background:#1b2130}@media(max-width:991.98px){.rtc-workspace{grid-template-columns:minmax(0,50fr) minmax(0,50fr)}.rtc-textarea{height:280px}}@media(max-width:767.98px){.rtc-workspace{grid-template-columns:1fr}.rtc-editor{border-right:0;border-bottom:1px solid var(--rtc-line)}.rtc-editor,.rtc-results{padding:18px}.rtc-textarea{height:240px}.rtc-tool__intro{flex-direction:column;padding:18px}.rtc-tool__intro h2{font-size:19px}}@media(max-width:400px){.rtc-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.rtc-stat{padding:10px 8px}.rtc-stat__value{font-size:17px}.rtc-hero__value{font-size:27px}}@media(prefers-reduced-motion:reduce){.rtc-tool *{scroll-behavior:auto!important;transition:none!important}}