* { box-sizing: border-box; }
body {
    font-family: -apple-system, system-ui, sans-serif;
    background: #f5f5f7;
    color: #1d1d1f;
    margin: 0;
    padding: 20px;
}
.container {
    max-width: 760px;
    margin: 0 auto;
    background: #fff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}
h1 { margin-top: 0; }
h2 { margin-top: 32px; border-top: 1px solid #eee; padding-top: 24px; }
.model { color: #666; font-size: 14px; }
code { background: #f0f0f2; padding: 2px 6px; border-radius: 4px; font-size: 13px; }

.upload-box {
    display: block;
    border: 2px dashed #c7c7cc;
    border-radius: 10px;
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    margin-bottom: 16px;
}
.upload-box:hover { border-color: #007aff; background: #f9f9fb; }
.upload-box strong { display: block; font-size: 16px; margin-bottom: 8px; }
.upload-box span { color: #888; font-size: 14px; }
.upload-box input[type=file] { display: none; }

button {
    background: #007aff;
    color: #fff;
    border: 0;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    width: 100%;
}
button:hover { background: #0062cc; }

.results, .errors { list-style: none; padding: 0; }
.results li, .errors li {
    padding: 10px 14px;
    margin-bottom: 6px;
    border-radius: 6px;
    background: #f5f5f7;
    font-size: 14px;
}
.results li.ok { background: #e8f5e9; }
.results li.fail { background: #ffebee; }
.errors li { background: #fff3e0; }
a { color: #007aff; text-decoration: none; }
a:hover { text-decoration: underline; }