:root{--color-bg: #f6f7f8;--color-surface: #ffffff;--color-surface-muted: #f1f2f4;--color-surface-hover: #ebedf0;--color-border: #e3e5e9;--color-border-strong: #cfd3da;--color-overlay: rgb(15 17 20 / .45);--color-segment-selected: #ffffff;--color-text: #17181b;--color-text-secondary: #4f535b;--color-text-tertiary: #62666f;--color-text-on-accent: #ffffff;--color-text-on-danger: #ffffff;--color-accent: #0f766e;--color-accent-hover: #115e59;--color-accent-soft: #e5f3f1;--color-accent-text: #0f766e;--color-focus: #0d9488;--color-success: #15803d;--color-success-soft: #e7f5eb;--color-warning: #a15c07;--color-warning-soft: #fcf2e3;--color-danger: #dc2626;--color-danger-hover: #b91c1c;--color-danger-soft: #fdeceb;--color-danger-text: #b91c1c;--color-info: #1d4ed8;--color-info-soft: #e8effd;--color-stage: #1b1c1f;--color-tile: #2a2b30;--color-tile-text: #f4f4f5;--color-tile-text-secondary: #b4b5bc;--font-sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica 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360px;--content-max: 1120px;color-scheme:light}:root[data-theme=dark]{--color-bg: #0e0f11;--color-surface: #16171a;--color-surface-muted: #1d1e22;--color-surface-hover: #25262b;--color-border: #2a2c31;--color-border-strong: #3a3c43;--color-overlay: rgb(0 0 0 / .6);--color-segment-selected: #2e3037;--color-text: #f2f3f5;--color-text-secondary: #b3b6bd;--color-text-tertiary: #8b8f98;--color-text-on-accent: #042f2e;--color-accent: #2dd4bf;--color-accent-hover: #5eead4;--color-accent-soft: rgb(45 212 191 / .12);--color-accent-text: #5eead4;--color-focus: #5eead4;--color-success: #4ade80;--color-success-soft: rgb(74 222 128 / .12);--color-warning: #fbbf24;--color-warning-soft: rgb(251 191 36 / .12);--color-danger: #dc2626;--color-danger-hover: #ef4444;--color-danger-soft: rgb(248 113 113 / .12);--color-danger-text: #f87171;--color-info: #93c5fd;--color-info-soft: rgb(147 197 253 / .12);--color-stage: #0a0a0c;--color-tile: #1e1f23;--shadow-sm: 0 1px 2px rgb(0 0 0 / .3);--shadow-md: 0 1px 3px rgb(0 0 0 / .3), 0 4px 12px rgb(0 0 0 / .25);--shadow-lg: 0 12px 32px rgb(0 0 0 / .5);color-scheme:dark}*,*:before,*:after{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--color-bg);color:var(--color-text);font-family:var(--font-sans);font-size:var(--text-base);line-height:var(--leading-normal);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}h1,h2,h3,h4,p,ul,ol,dl,dd,figure{margin:0}h1,h2,h3,h4{font-weight:var(--weight-semibold);line-height:var(--leading-tight);letter-spacing:-.01em}ul,ol{padding:0}a{color:var(--color-accent-text);text-decoration:none}a:hover{text-decoration:underline}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed}img,video,svg{display:block;max-width:100%}:focus-visible{outline:2px solid 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var(--ease)}.chip-toggle:hover{border-color:var(--color-text-tertiary);color:var(--color-text)}.chip-toggle[aria-pressed=true]{border-color:var(--color-accent);background:var(--color-accent-soft);color:var(--color-accent-text)}.alert{display:flex;align-items:flex-start;gap:var(--space-2);padding:10px var(--space-3);border-radius:var(--radius-md);background:var(--color-surface-muted);color:var(--color-text);font-size:var(--text-sm)}.alert svg{flex:none;margin-top:1px}.alert--danger{background:var(--color-danger-soft);color:var(--color-danger-text)}.alert--warning{background:var(--color-warning-soft);color:var(--color-warning)}.alert--info{background:var(--color-info-soft);color:var(--color-info)}.alert--success{background:var(--color-success-soft);color:var(--color-success)}.alert-body{min-width:0;flex:1}.card{border:1px solid 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var(--ease)}.drawer-header{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3);min-height:var(--header-height);padding:0 var(--space-3) 0 var(--space-5);border-bottom:1px solid var(--color-border)}.drawer-title{font-size:var(--text-md)}.drawer-body{flex:1;overflow-y:auto;padding:var(--space-5)}.drawer-section+.drawer-section{margin-top:var(--space-6);padding-top:var(--space-6);border-top:1px solid var(--color-border)}.drawer-section-header{margin-bottom:var(--space-4)}.drawer-section-body{display:grid;gap:var(--space-4)}@keyframes fade-in{0%{opacity:0}}@keyframes drawer-in{0%{transform:translate(16px);opacity:0}}.tabs{display:flex;gap:var(--space-1);overflow-x:auto;scrollbar-width:none}.tabs::-webkit-scrollbar{display:none}.tab{position:relative;display:inline-flex;align-items:center;gap:6px;flex:none;height:40px;padding:0 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minmax(0,1fr);align-items:end;gap:var(--space-3)}.test-languages-arrow{margin-bottom:12px;color:var(--color-text-tertiary)}.test-transcripts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--space-3)}.test-transcript{display:grid;align-content:start;gap:var(--space-1);min-height:120px;max-height:240px;overflow-y:auto;padding:var(--space-3);border-radius:var(--radius-md);background:var(--color-surface-muted)}.test-transcript-label{color:var(--color-text-tertiary);font-size:var(--text-xs);font-weight:var(--weight-semibold)}.test-transcript .is-partial{color:var(--color-text-secondary)}.mic-level-meter{display:flex;align-items:center;gap:var(--space-3)}.mic-level-bars{display:grid;flex:1;grid-template-columns:repeat(20,minmax(0,1fr));gap:3px;height:24px}.mic-bar{border-radius:2px;background:var(--color-surface-muted);transition:background-color 80ms linear}.mic-bar-low,.mic-bar-mid{background:var(--color-accent)}.mic-bar-high{background:var(--color-warning)}.mic-bar-peak{background:var(--color-text-secondary)}.mic-level-db{width:56px;color:var(--color-text-tertiary);font-family:var(--font-mono);font-size:var(--text-xs);text-align:right}@media (max-width: 900px){.test-grid{grid-template-columns:minmax(0,1fr)}}@media (max-width: 480px){.page{padding:var(--space-4) var(--space-4) var(--space-10)}.test-transcripts,.test-languages{grid-template-columns:minmax(0,1fr)}.test-languages-arrow{display:none}}.auth-page{display:flex;flex-direction:column;min-height:100vh}.auth-main{display:grid;flex:1;place-items:center;padding:var(--space-6) var(--space-4) var(--space-12)}.auth-card{width:min(420px,100%)}.auth-card .card-body{display:grid;gap:var(--space-4)}.auth-checking,.google-signin-loading{display:inline-flex;align-items:center;gap:var(--space-2);color:var(--color-text-tertiary);font-size:var(--text-sm)}.auth-footnote{color:var(--color-text-tertiary);font-size:var(--text-xs)}.google-signin{display:grid;gap:var(--space-2);min-height:44px}.google-signin-button{display:flex;justify-content:center;width:100%;overflow:hidden}.link-button{padding:0;border:0;background:none;color:var(--color-accent-text);font:inherit;text-decoration:underline;cursor:pointer}.user-menu{position:relative}.user-menu-trigger{display:inline-grid;padding:2px;border:1px solid transparent;border-radius:var(--radius-full);background:none;cursor:pointer}.user-menu-trigger:hover{border-color:var(--color-border-strong)}.user-menu-trigger:focus-visible{outline:2px solid var(--color-focus);outline-offset:2px}.user-avatar{display:inline-grid;place-items:center;border-radius:var(--radius-full);background:var(--color-accent-soft);color:var(--color-accent-text);font-size:var(--text-xs);font-weight:600;object-fit:cover}.user-menu-popover{position:absolute;top:calc(100% + var(--space-2));right:0;z-index:40;display:grid;gap:var(--space-2);width:min(280px,calc(100vw - var(--space-8)));padding:var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-surface);box-shadow:var(--shadow-lg)}.user-menu-identity{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-1) var(--space-1) var(--space-3);border-bottom:1px solid var(--color-border)}.user-menu-text{display:grid;min-width:0}.user-menu-name{overflow:hidden;color:var(--color-text);font-weight:600;text-overflow:ellipsis;white-space:nowrap}.user-menu-email{overflow:hidden;color:var(--color-text-tertiary);font-size:var(--text-sm);text-overflow:ellipsis;white-space:nowrap}.user-menu-item{display:flex;align-items:center;gap:var(--space-2);width:100%;padding:var(--space-2);border:0;border-radius:var(--radius-md);background:none;color:var(--color-text);font:inherit;text-align:left;cursor:pointer}.user-menu-item:hover,.user-menu-item:focus-visible{background:var(--color-surface-hover);outline:none}.user-menu-item:disabled{color:var(--color-text-tertiary);cursor:default}.nav-actions{display:flex;align-items:center;gap:var(--space-3)}