@font-face{font-family:Cairo;src:url(/fonts/Cairo-Arabic-300.woff2)format("woff2");font-weight:300;font-style:normal;font-display:swap;unicode-range:U+6??,U+750-77F,U+8A0-8FF,U+FB50-FDFF,U+FE70-FEFF,U+660-669}@font-face{font-family:Cairo;src:url(/fonts/Cairo-Arabic-400.woff2)format("woff2");font-weight:400;font-style:normal;font-display:swap;unicode-range:U+6??,U+750-77F,U+8A0-8FF,U+FB50-FDFF,U+FE70-FEFF,U+660-669}@font-face{font-family:Cairo;src:url(/fonts/Cairo-Arabic-500.woff2)format("woff2");font-weight:500;font-style:normal;font-display:swap;unicode-range:U+6??,U+750-77F,U+8A0-8FF,U+FB50-FDFF,U+FE70-FEFF,U+660-669}@font-face{font-family:Cairo;src:url(/fonts/Cairo-Arabic-700.woff2)format("woff2");font-weight:700;font-style:normal;font-display:swap;unicode-range:U+6??,U+750-77F,U+8A0-8FF,U+FB50-FDFF,U+FE70-FEFF,U+660-669}@font-face{font-family:Noto Sans Arabic;src:url(/fonts/NotoSansArabic-Regular.woff2)format("woff2");font-weight:400;font-style:normal;font-display:swap;unicode-range:U+6??,U+750-77F,U+8A0-8FF,U+FB50-FDFF,U+FE70-FEFF,U+660-669}@font-face{font-family:Noto Sans Arabic;src:url(/fonts/NotoSansArabic-Bold.woff2)format("woff2");font-weight:700;font-style:normal;font-display:swap;unicode-range:U+6??,U+750-77F,U+8A0-8FF,U+FB50-FDFF,U+FE70-FEFF,U+660-669}:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;--brand-500:#1668d6;--brand-600:#1257b4;--brand-400:#3f8bee;--brand-050:#eaf2fd;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:24px;--space-6:32px;--space-7:48px;--space-8:72px;--font-sans:ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;--font-arabic:"Cairo", "Noto Sans Arabic", ui-sans-serif, system-ui, "SF Arabic", "Segoe UI", "Geeza Pro", Tahoma, sans-serif;--font-mono:ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;--page:#fff;--surface:#fff;--surface-raised:#f6f8fb;--border:#dfe4ec;--border-strong:#c3ccda;--text:#121820;--text-muted:#5a6675;--accent:var(--brand-600);--accent-contrast:#fff;--danger:#b3261e;--danger-contrast:#fff;--warning:#8a5300;--success:#17603a;--shadow:0 1px 2px #1218200f, 0 8px 24px #1218200f}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}:root:not([data-theme=light]){--page:#0d1117;--surface:#141a22;--surface-raised:#1b222c;--border:#262f3b;--border-strong:#3a4553;--text:#e8edf4;--text-muted:#9aa7b8;--accent:var(--brand-400);--accent-contrast:#06101c;--danger:#ff8d85;--danger-contrast:#2b0603;--warning:#f0b95c;--success:#6ee7a8;--shadow:0 1px 2px #0006, 0 8px 24px #00000059}}:root[data-theme=dark]{--page:#0d1117;--surface:#141a22;--surface-raised:#1b222c;--border:#262f3b;--border-strong:#3a4553;--text:#e8edf4;--text-muted:#9aa7b8;--accent:var(--brand-400);--accent-contrast:#06101c;--danger:#ff8d85;--danger-contrast:#2b0603;--warning:#f0b95c;--success:#6ee7a8;--shadow:0 1px 2px #0006, 0 8px 24px #00000059}*{box-sizing:border-box}html,body{background:var(--page);color:var(--text);font-family:var(--font-sans);-webkit-text-size-adjust:100%;margin:0;padding:0;font-size:16px;line-height:1.6}html[dir=rtl] body{font-family:var(--font-arabic)}html[lang=ar]{font-synthesis-weight:none}html[lang=ar] h1,html[lang=ar] h2,html[lang=ar] h3,html[lang=ar] strong,html[lang=ar] b,html[lang=ar] .button,html[lang=ar] .field>span,html[lang=ar] table.grid th{font-weight:500}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.001ms!important;animation-duration:.001ms!important}}a{color:var(--accent);text-underline-offset:3px}:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:var(--radius-sm)}.skip-link{inset-inline-start:-9999px;background:var(--surface);color:var(--text);padding:var(--space-3) var(--space-4);z-index:100;position:absolute;top:0}.skip-link:focus{inset-inline-start:0}.shell{max-width:1120px;padding-inline:var(--space-5);margin-inline:auto}.stack>*+*{margin-block-start:var(--space-4)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:var(--space-5)}.muted{color:var(--text-muted)}.tiny{font-size:.8125rem;line-height:1.5}.button{align-items:center;gap:var(--space-2);border-radius:var(--radius-md);padding:10px var(--space-5);font:inherit;cursor:pointer;background:var(--accent);color:var(--accent-contrast);border:1px solid #0000;font-weight:600;text-decoration:none;transition:filter .12s;display:inline-flex}.button:hover{filter:brightness(1.08)}.button[disabled]{opacity:.55;cursor:not-allowed}.button.secondary{color:var(--text);border-color:var(--border-strong);background:0 0}.field{display:block}.field>span{margin-block-end:var(--space-2);font-size:.9375rem;font-weight:600;display:block}.field input,.field select{width:100%;padding:10px var(--space-3);border:1px solid var(--border-strong);border-radius:var(--radius-md);background:var(--surface);color:var(--text);font:inherit}.button.danger{background:var(--danger);color:var(--danger-contrast)}.button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.button.danger:focus-visible{outline-color:var(--danger)}.deletion-flow h2{margin-block:0}.deletion-flow h2:focus{outline:none}.deletion-actions{align-items:center;gap:var(--space-3);flex-wrap:wrap;display:flex}.deletion-account{margin:0}.deletion-account dt{font-weight:600}.deletion-account dd{margin:var(--space-1) 0 0;overflow-wrap:anywhere}.deletion-dialog{max-width:min(32rem, calc(100vw - 2 * var(--space-4)));border:1px solid var(--border-strong);border-radius:var(--radius-lg);padding:var(--space-6);background:var(--surface-raised);color:var(--text)}.deletion-dialog::backdrop{background:#0000008c}.deletion-dialog h2{margin-block-start:0}.notice{border:1px solid var(--border);border-inline-start:4px solid var(--accent);border-radius:var(--radius-md);padding:var(--space-4);background:var(--surface-raised)}.notice.danger{border-inline-start-color:var(--danger)}.notice.warning{border-inline-start-color:var(--warning)}table.grid{border-collapse:collapse;width:100%;font-size:.9375rem}table.grid th,table.grid td{text-align:start;padding:var(--space-3);border-block-end:1px solid var(--border);vertical-align:top}table.grid thead th{text-transform:uppercase;letter-spacing:.04em;color:var(--text-muted);font-size:.8125rem}table.grid tbody th{color:var(--text);font-weight:600}.pill{padding:2px var(--space-2);border:1px solid var(--border-strong);color:var(--text-muted);border-radius:999px;font-size:.75rem;font-weight:600;display:inline-block}.pill.ok{color:var(--success);border-color:currentColor}.pill.warn{color:var(--warning);border-color:currentColor}.pill.bad{color:var(--danger);border-color:currentColor}.pill.muted-pill{color:var(--text-faint,var(--text-muted));border-style:dashed;font-weight:500}.table-scroll{scrollbar-gutter:stable;overflow-x:auto}.table-scroll table.grid{min-inline-size:100%}.tabs{gap:var(--space-4);border-block-end:1px solid var(--border);margin-block-end:var(--space-4);display:flex}.tab{appearance:none;border:0;padding:var(--space-3) var(--space-1);font:inherit;color:var(--text-muted);cursor:pointer;align-items:center;gap:var(--space-2);background:0 0;border-block-end:2px solid #0000;margin-block-end:-1px;font-weight:600;display:flex}.tab:hover{color:var(--text)}.tab[aria-selected=true]{color:var(--accent);border-block-end-color:var(--accent)}.tab:focus-visible{outline:2px solid var(--accent);outline-offset:-2px;border-radius:4px 4px 0 0}.tab-count{padding:1px var(--space-2);background:var(--bg);border:1px solid var(--border);color:var(--text-muted);text-align:center;border-radius:999px;min-inline-size:1.75rem;font-size:.75rem;font-weight:500}.tab[aria-selected=true] .tab-count{color:var(--accent);border-color:currentColor}.linkish{font:inherit;color:var(--accent,currentColor);text-underline-offset:2px;cursor:pointer;text-align:start;background:0 0;border:0;padding:0;text-decoration:underline}.linkish:hover{text-decoration-thickness:2px}.linkish:focus-visible{outline:2px solid var(--accent,currentColor);outline-offset:2px;border-radius:2px}.grid-cards{gap:var(--space-4);grid-template-columns:repeat(auto-fit,minmax(240px,1fr));display:grid}code{font-family:var(--font-mono);background:var(--surface-raised);border-radius:var(--radius-sm);padding:1px 5px;font-size:.875em}:root{--rail-bg:#141b27;--rail-ink:#aab6c8;--rail-ink-strong:#fff;--rail-active:#1f2b3d;--page-tint:#f4f6fa}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--rail-bg:#0a0e15;--rail-active:#161f2c;--page-tint:#0b1016}}:root[data-theme=dark]{--rail-bg:#0a0e15;--rail-active:#161f2c;--page-tint:#0b1016}.console{background:var(--page-tint);grid-template-columns:248px 1fr;min-height:100vh;display:grid}@media (max-width:880px){.console{grid-template-columns:1fr}.console-rail{height:auto!important;position:static!important}.rail-nav{flex-wrap:wrap;flex-direction:row!important}}.console-rail{background:var(--rail-bg);color:var(--rail-ink);padding:var(--space-5) var(--space-4);gap:var(--space-6);flex-direction:column;height:100vh;display:flex;position:sticky;top:0}.rail-brand{align-items:center;gap:var(--space-3);color:var(--rail-ink-strong);font-weight:700;text-decoration:none;display:flex}.rail-nav{flex-direction:column;gap:2px;display:flex}.rail-link{align-items:center;gap:var(--space-3);padding:10px var(--space-3);border-radius:var(--radius-md);color:var(--rail-ink);font-size:.9375rem;font-weight:500;text-decoration:none;transition:background .12s,color .12s;display:flex}.rail-link:hover{background:var(--rail-active);color:var(--rail-ink-strong)}.rail-link[aria-current=page]{background:var(--rail-active);color:var(--rail-ink-strong);font-weight:600}.rail-link[aria-current=page]:before{content:"";background:var(--brand-400);block-size:18px;inline-size:3px;border-radius:2px;margin-inline-start:calc(var(--space-3) * -1);margin-inline-end:calc(var(--space-3) - 3px)}.rail-foot{color:var(--rail-ink);opacity:.7;margin-block-start:auto;font-size:.75rem;line-height:1.5}.console-main{flex-direction:column;min-width:0;display:flex}.console-topbar{align-items:center;gap:var(--space-4);padding:var(--space-4) var(--space-6);background:var(--surface);border-block-end:1px solid var(--border);z-index:10;flex-wrap:wrap;display:flex;position:sticky;top:0}.console-body{padding:var(--space-6);gap:var(--space-6);flex-direction:column;width:100%;max-width:1280px;display:flex}.identity-chip{align-items:center;gap:var(--space-2);padding:4px 4px 4px var(--space-3);border:1px solid var(--border);border-radius:999px;font-size:.8125rem;display:inline-flex}.identity-chip .role{background:var(--brand-050);color:var(--brand-600);padding:2px var(--space-2);border-radius:999px;font-size:.75rem;font-weight:600}:root[data-theme=dark] .identity-chip .role,:root:not([data-theme=light]) .identity-chip .role{background:var(--rail-active);color:var(--brand-400)}.kpi-row{gap:var(--space-4);grid-template-columns:repeat(auto-fit,minmax(210px,1fr));display:grid}.kpi{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:var(--space-5);gap:var(--space-1);flex-direction:column;display:flex}.kpi-label{color:var(--text-muted);font-size:.8125rem;font-weight:600}.kpi-value{font-variant-numeric:tabular-nums;font-size:2rem;font-weight:700;line-height:1.15}.kpi-foot{color:var(--text-muted);font-size:.75rem}.metric-group>h2{margin-block:0 var(--space-3);font-size:1rem}.metric{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:var(--space-4)}.metric-label{color:var(--text-muted);margin:0;font-size:.8125rem;font-weight:600}.metric-value{font-variant-numeric:tabular-nums;margin:var(--space-1) 0 0;font-size:1.5rem;font-weight:700}.metric details{margin-block-start:var(--space-2)}.metric details>summary{color:var(--text-muted);cursor:pointer;font-size:.75rem}.voice-center{gap:var(--space-5);max-inline-size:88rem;display:grid}.voice-center-header,.voice-line{justify-content:space-between;align-items:center;gap:var(--space-3);display:flex}.voice-center-header{flex-wrap:wrap;align-items:flex-start}.voice-center-header h1{margin:0}.voice-center-header p{margin-block:var(--space-1) 0}.voice-eyebrow{letter-spacing:.1em;font-weight:700}.voice-tabs{gap:var(--space-1);border-block-end:1px solid var(--border);display:flex;overflow-x:auto}.voice-tab{appearance:none;border:0;color:var(--text-muted);padding:var(--space-3);font:inherit;cursor:pointer;background:0 0;border-block-end:2px solid #0000;flex:none;font-weight:600}.voice-tab:hover,.voice-tab.active{color:var(--text)}.voice-tab.active{border-block-end-color:var(--accent)}.voice-stack{gap:var(--space-4);display:grid}.voice-metrics{gap:var(--space-3);grid-template-columns:repeat(auto-fit,minmax(10rem,1fr));display:grid}.voice-metric{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:var(--space-4);gap:var(--space-2);min-width:0;display:grid}.voice-metric strong{overflow-wrap:anywhere;font-size:clamp(1.1rem,2vw,1.7rem);line-height:1.15}.voice-metric.warn{border-color:var(--accent)}.voice-split,.voice-profile-grid{gap:var(--space-4);grid-template-columns:repeat(auto-fit,minmax(min(100%,25rem),1fr));display:grid}.voice-center .card h2{margin-block:0 var(--space-4);font-size:1.12rem}.voice-center .card h3{margin-block:var(--space-5) var(--space-3);font-size:.95rem}.voice-profile-list,.voice-concepts,.voice-variants{gap:var(--space-3);display:grid}.voice-line{flex-wrap:wrap}.voice-line>strong{overflow-wrap:anywhere}.voice-facts{gap:var(--space-2);margin:0;display:grid}.voice-facts>div{justify-content:space-between;gap:var(--space-3);display:flex}.voice-facts dt{color:var(--text-muted)}.voice-facts dd{overflow-wrap:anywhere;text-align:end;margin:0}.voice-concepts>details{border-block-start:1px solid var(--border);padding-block:var(--space-3)}.voice-concepts summary{cursor:pointer;justify-content:space-between;gap:var(--space-3);flex-wrap:wrap;display:flex}.voice-variants{grid-template-columns:repeat(auto-fit,minmax(min(100%,17rem),1fr))}.voice-variant{border:1px solid var(--border);border-radius:var(--radius-md);padding:var(--space-3)}.voice-variant label{gap:var(--space-1);flex:1;min-width:0;display:grid}.voice-variant input,.voice-variant select,.voice-center select{min-height:2.5rem;max-inline-size:100%}.voice-variant input{width:100%}.voice-status{border:1px solid var(--border);white-space:nowrap;border-radius:999px;padding:.2rem .55rem;font-size:.75rem;font-weight:700;display:inline-block}.voice-status.active,.voice-status.ready,.voice-status.passed{color:#398b68;border-color:#398b68}.voice-status.failed,.voice-status.dead,.voice-status.no_qualified_voice{color:#b84949;border-color:#b84949}.voice-center .grid th,.voice-center .grid td{padding:var(--space-3);text-align:start;white-space:nowrap}.voice-audio{align-items:center;gap:var(--space-2);display:flex}.voice-audio audio{max-inline-size:min(100%,28rem)}.voice-profile-grid audio{max-inline-size:11rem}.voice-filters{gap:var(--space-3);flex-wrap:wrap;margin-block-end:var(--space-4);display:flex}.voice-filter{gap:var(--space-1);min-inline-size:8rem;color:var(--text-muted);font-size:.8125rem;display:grid}.voice-filter input,.voice-filter select{min-height:2.5rem;max-inline-size:11rem}.voice-tts-controls{gap:var(--space-4);grid-template-columns:repeat(auto-fit,minmax(min(100%,20rem),1fr));display:grid}.voice-tts-controls .voice-filter{min-inline-size:0}.voice-tts-controls select{inline-size:100%;max-inline-size:100%;padding:10px var(--space-3);border:1px solid var(--border-strong);border-radius:var(--radius-md);background:var(--surface);color:var(--text);font:inherit}.voice-tts-controls .tiny{overflow-wrap:anywhere}.voice-tts-actions{justify-content:flex-start}.voice-pages{justify-content:flex-end;margin-block-start:var(--space-4)}@media (max-width:640px){.voice-center-header{gap:var(--space-2)}.voice-line{align-items:flex-start}.voice-profile-grid audio{max-inline-size:100%}}.metric details>p{color:var(--text-muted);margin-block:var(--space-2) 0;font-size:.75rem}.chart-card{--series-1:#2a78d6;--series-2:#eb6834;--chart-surface:var(--surface);--chart-grid:var(--border)}@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .chart-card{--series-1:#3987e5;--series-2:#d95926}}:root[data-theme=dark] .chart-card{--series-1:#3987e5;--series-2:#d95926}.chart-head{justify-content:space-between;align-items:start;gap:var(--space-3);margin-block-end:var(--space-3);display:flex}.chart-title{margin:0;font-size:.9375rem}.chart-note{margin:var(--space-1) 0 0}.chart-table-toggle{border:1px solid var(--border-strong);border-radius:var(--radius-sm);color:var(--text-muted);padding:3px var(--space-2);cursor:pointer;font:inherit;white-space:nowrap;background:0 0;font-size:.75rem}.chart-plot{position:relative}.chart{touch-action:none;block-size:auto;inline-size:100%;display:block}.chart-grid{stroke:var(--chart-grid);stroke-width:1px}.chart-axis{fill:var(--text-muted);font-variant-numeric:tabular-nums;font-size:10px}.chart-line{fill:none;stroke-width:2px;stroke-linejoin:round;stroke-linecap:round}.chart-area{stroke:none;opacity:.1}.chart-crosshair{stroke:var(--text-muted);stroke-width:1px;opacity:.45}.chart-dot{stroke:var(--chart-surface);stroke-width:2px}.chart-series-1 .chart-line,.chart-series-1 .chart-dot{stroke:var(--series-1)}.chart-series-1 .chart-area,.chart-series-1 .chart-dot{fill:var(--series-1)}.chart-series-2 .chart-line,.chart-series-2 .chart-dot{stroke:var(--series-2)}.chart-series-2 .chart-area,.chart-series-2 .chart-dot{fill:var(--series-2)}.chart-tooltip{background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--radius-md);box-shadow:var(--shadow);padding:var(--space-2) var(--space-3);white-space:nowrap;pointer-events:none;font-variant-numeric:tabular-nums;font-size:.8125rem;position:absolute;top:0;transform:translate(-50%)}.chart-pair{gap:var(--space-4);grid-template-columns:repeat(auto-fit,minmax(320px,1fr));display:grid}.prose-section>*{margin-block:0}.prose-section>*+*{margin-block-start:var(--space-2)}.prose-section>h2{font-size:1.125rem}.prose-section ul,.prose-section ol{padding-inline-start:var(--space-6)}.prose-section li+li{margin-block-start:var(--space-1)}.prose-page h2{margin-block:var(--space-6) 0;font-size:1.375rem}.prose-page h3{margin-block:var(--space-5) 0;font-size:1.125rem}.prose-page ul,.prose-page ol{padding-inline-start:var(--space-5)}.prose-page li+li{margin-block-start:var(--space-2)}.lead{color:var(--text-muted);margin:0;font-size:1.125rem}.example q{font-style:normal}.breadcrumb ol{align-items:center;gap:0 var(--space-2);flex-wrap:wrap;margin:0;padding:0;list-style:none;display:flex}.breadcrumb 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a[hreflang]{align-items:center;padding-inline:4px;display:inline-flex}.site-nav{column-gap:var(--space-4);flex-wrap:wrap;margin-inline-start:auto;display:flex}.site-controls{gap:var(--space-3);align-items:center;display:flex}@media (max-width:640px){.site-header{position:static}.site-header .shell{row-gap:0}.site-controls{order:2;margin-inline-start:auto}.site-nav{column-gap:var(--space-3);order:3;inline-size:100%;margin-inline-start:0}}[dir=rtl] .family-sep{display:inline-block;transform:scaleX(-1)}.learning-header{justify-content:space-between;align-items:center;gap:var(--space-3);flex-wrap:wrap;display:flex}.learning-actions{min-width:12rem}.learning-actions .button{margin-block-end:var(--space-2);margin-inline-end:var(--space-2)}#learning-main table.grid{min-inline-size:60rem}#learning-main table.grid 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