:root{--color-primary: #1d64fd;--color-primary-light: #f9faee;--color-accent: #1dbefd;--color-text: #222;--color-text-muted: #555;--color-border: #ccc;--color-bg: #fff;--space-xs: .4rem;--space-sm: .75rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem}*,*:before,*:after{box-sizing:border-box}body{margin:0;font-family:system-ui,sans-serif;font-size:1rem;color:var(--color-text);background:var(--color-bg)}button{padding:var(--space-xs) var(--space-md);border:1px solid var(--color-border);cursor:pointer;background:var(--color-bg);color:var(--color-text);font-size:1rem;border-radius:.5rem}button.primary{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}button:hover{filter:brightness(.92)}.panel{padding:var(--space-lg);border:1px solid var(--color-border)}.container{padding:var(--space-lg);max-width:960px;margin-inline:auto;--border: 1px solid lightgray;--border-radius: 2em;display:flex;justify-content:center}input[type=range]{width:100%;min-width:200px;margin-bottom:var(--space-sm)}.top-nav.svelte-42muaf{display:flex;align-items:center;justify-content:space-between;padding:var(--space-sm) var(--space-lg);border-bottom:1px solid var(--color-border);background:var(--color-bg)}.nav-brand.svelte-42muaf{font-weight:700;font-size:1.1rem;letter-spacing:.1em;color:var(--color-primary)}.brand-btn.svelte-42muaf{background:none;border:none;padding:0;cursor:pointer;font:inherit;font-weight:700;font-size:1.1rem;letter-spacing:.1em;color:var(--color-primary)}.nav-actions.svelte-42muaf{display:flex;align-items:center;gap:var(--space-md)}.calibrate-btn.svelte-42muaf{font-size:.9rem}.icon-btn.svelte-42muaf{display:flex;align-items:center;justify-content:center;padding:4px 6px;background:none;border:1px solid var(--color-border);cursor:pointer;border-radius:.5rem;color:var(--color-text);line-height:0}.icon-btn.active.svelte-42muaf,.calibrate-btn.active.svelte-42muaf{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.test-select.svelte-42muaf{font-size:.9rem;padding:var(--space-xs) var(--space-sm);border:1px solid var(--color-border);border-radius:.5rem;background:var(--color-bg);color:var(--color-text);cursor:pointer}.lang-switcher.svelte-42muaf{display:flex;gap:var(--space-sm)}.lang-switcher.svelte-42muaf button:where(.svelte-42muaf){padding:2px;border:2px solid transparent;background:none;cursor:pointer;line-height:0;opacity:.5}.lang-switcher.svelte-42muaf button.active:where(.svelte-42muaf){border-color:var(--color-primary);opacity:1}.lang-switcher.svelte-42muaf button:where(.svelte-42muaf):hover{opacity:1;filter:none}.lang-switcher.svelte-42muaf svg:where(.svelte-42muaf){display:block}.zoom-warning.svelte-zv5ew4{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-lg);background:#fff3cd;color:#7d5a00;border-bottom:1px solid #f0c040;font-size:.875rem}.zoom-warning.svelte-zv5ew4 svg:where(.svelte-zv5ew4){flex-shrink:0}