:root{--bg: #f7f8fa;--surface: #ffffff;--text: #15181d;--muted: #555d6b;--border: #d5dae2;--accent: #1d4ed8;--accent-text: #ffffff;--accent-soft: #e6edff;--warn: #8a5300;--warn-soft: #fff4e0;--error: #b42318;--error-soft: #fdecea;--focus: #1d4ed8;--radius: 12px;color-scheme:light}@media(prefers-color-scheme:dark){:root{--bg: #0f1216;--surface: #181c22;--text: #e8ebf0;--muted: #a3abb8;--border: #2d333d;--accent: #7aa2ff;--accent-text: #0b1020;--accent-soft: #1b2540;--warn: #f5c26b;--warn-soft: #2e2412;--error: #ff8a80;--error-soft: #3a1714;--focus: #9db8ff;color-scheme:dark}}*,*:before,*:after{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}:focus-visible{outline:3px solid var(--focus);outline-offset:2px}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:16px;background:var(--surface);padding:8px 12px;border-radius:8px}.top,main,.foot{max-width:760px;margin:0 auto;padding:0 16px}.top{display:flex;justify-content:space-between;align-items:center;padding-top:16px;padding-bottom:16px}.brand{font-weight:700}.top nav{display:flex;gap:4px}.top nav a{color:var(--muted);text-decoration:none;padding:6px 10px;border-radius:8px;min-width:44px;text-align:center}.top nav a[aria-current]{color:var(--text);background:var(--surface);font-weight:600}h1{font-size:clamp(1.7rem,4vw,2.4rem);line-height:1.2;margin:24px 0 12px}.lead{color:var(--muted);font-size:1.1rem;margin:0 0 28px}.tool{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px}.drop{display:flex;flex-direction:column;align-items:center;gap:6px;padding:40px 16px;border:2px dashed var(--border);border-radius:var(--radius);cursor:pointer;text-align:center;transition:border-color .15s,background .15s}.drop:hover,.drop.over{border-color:var(--accent);background:var(--accent-soft)}.drop:focus-within{outline:3px solid var(--focus);outline-offset:2px}.drop-icon{color:var(--accent)}.drop-title{font-weight:600;font-size:1.1rem}.drop-hint,.privacy{color:var(--muted);font-size:.95rem}.privacy{margin:12px 0 0;text-align:center}.progress{display:grid;gap:8px;margin-top:20px}.progress progress{width:100%;height:10px;accent-color:var(--accent)}.error{margin:20px 0 0;padding:12px 14px;border-radius:8px;color:var(--error);background:var(--error-soft)}.result{margin-top:20px}.result:focus{outline:none}.result h2{margin:0 0 12px}.report{display:grid;grid-template-columns:max-content 1fr;gap:4px 16px;margin:0 0 16px}.report dt{color:var(--muted)}.report dd{margin:0;overflow-wrap:anywhere}.warnings{list-style:none;padding:0;margin:0 0 16px;display:grid;gap:8px}.warnings li{padding:10px 14px;border-radius:8px;color:var(--warn);background:var(--warn-soft)}.warnings:empty{display:none}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:16px}.button{display:inline-flex;align-items:center;min-height:44px;padding:0 18px;border-radius:10px;border:1px solid var(--border);background:var(--surface);color:var(--text);font:inherit;font-weight:600;text-decoration:none;cursor:pointer}.button.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-text)}video{width:100%;border-radius:8px;background:#000}.info h2{margin:40px 0 8px}.info details{border-bottom:1px solid var(--border);padding:10px 0}.info summary{cursor:pointer;font-weight:600}.foot{color:var(--muted);font-size:.9rem;padding-top:32px;padding-bottom:32px}@media(max-width:480px){.report{grid-template-columns:1fr}.report dd{margin-bottom:8px}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}.options{margin-top:16px;border-top:1px solid var(--border);padding-top:12px}.options summary{cursor:pointer;font-weight:600;min-height:44px;display:flex;align-items:center}.field{display:grid;gap:6px;margin:12px 0}.field label{font-weight:600}.field select,.field input[type=number]{font:inherit;color:var(--text);background:var(--bg);border:1px solid var(--border);border-radius:8px;min-height:44px;padding:0 10px;max-width:100%}.field input[type=number]{width:10rem}.field input[type=file]{font:inherit;max-width:100%}.row{display:flex;flex-wrap:wrap;align-items:center;gap:8px}.hint{margin:0;color:var(--muted);font-size:.9rem}.checks{display:grid;gap:4px}.checks label{display:flex;align-items:center;gap:10px;min-height:44px;cursor:pointer}.checks input{width:20px;height:20px;accent-color:var(--accent)}.button.small{min-height:36px;padding:0 12px;font-size:.9rem}.error p{margin:0 0 10px}[hidden]{display:none!important}.foot a{color:var(--accent)}