app/static/css/style.css

@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;700&display=swap');

body {
    font-family: 'Roboto', Arial, sans-serif;
    background: #f4f6fa;
    margin: 0;
    padding: 0;
}
.header {
    background: linear-gradient(90deg, #003366 60%, #e30613 100%);
    color: #fff;
    padding: 24px 0 12px 0;
    text-align: center;
    box-shadow: 0 2px 8px #00336622;
}
.logo {
    max-width: 180px;
    margin-bottom: 10px;
}
@media (max-width: 600px) {
    .logo {
        max-width: 90px !important;
        right: 10px !important;
        top: 10px !important;
    }
    .header h2 { font-size: 1.1em; }
}
.container {
    max-width: 950px;
    margin: 40px auto 0 auto;
    background: #fff;
    padding: 32px 32px 24px 32px;
    border-radius: 12px;
    box-shadow: 0 4px 24px #00336622;
}
h2, h3, h4 {
    color: #003366;
    margin-top: 0;
}
form {
    margin-bottom: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
}
input[type="file"] {
    margin-bottom: 16px;
    font-size: 16px;
}
button {
    background: #e30613;
    color: #fff;
    border: none;
    padding: 12px 32px;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.2s;
    margin-bottom: 10px;
}
button:hover {
    background: #003366;
}
.error {
    color: #e30613;
    margin-bottom: 16px;
    font-weight: 700;
}
.images-row {
    display: flex;
    gap: 32px;
    margin-bottom: 24px;
    justify-content: center;
    flex-wrap: wrap;
}
.result-img {
    max-width: 260px;
    border: 2px solid #e30613;
    border-radius: 8px;
    box-shadow: 0 2px 8px #00336622;
    margin-bottom: 8px;
}
.result-label {
    text-align: center;
    font-weight: 700;
    color: #003366;
    margin-bottom: 8px;
}
.download-btn {
    display: inline-block;
    background: #003366;
    color: #fff;
    padding: 8px 18px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 700;
    margin-right: 10px;
    margin-bottom: 10px;
    transition: background 0.2s;
}
.download-btn:hover {
    background: #e30613;
}
pre.json-output {
    background: #f0f0f0;
    padding: 16px;
    border-radius: 6px;
    font-size: 15px;
    overflow-x: auto;
    color: #222;
    margin-bottom: 12px;
    box-shadow: 0 1px 4px #00336611;
}
.copy-btn {
    background: #e30613;
    color: #fff;
    border: none;
    border-radius: 4px;
    padding: 6px 14px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    margin-bottom: 10px;
    float: right;
}
.copy-btn:hover {
    background: #003366;
}
.footer {
    text-align: center;
    color: #888;
    font-size: 15px;
    margin: 40px 0 10px 0;
}
@media (max-width: 900px) {
    .container { padding: 16px; }
    .images-row { gap: 12px; }
    .result-img { max-width: 98vw; }
}