* {
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background: #f5f6f8;
    margin: 0;
    padding: 20px;
    color: #222;
}

/* kontener */
.container {
    max-width: 600px;
    margin: auto;
    background: white;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

/* nagłówki */
h2 {
    font-size: 22px;
    margin-top: 0;
}

h3 {
    margin-top: 25px;
    font-size: 18px;
}

/* inputy */
input[type="text"],
input[type="file"] {
    width: 100%;
    padding: 14px;
    margin-top: 10px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
}

/* przyciski */
button {
    width: 100%;
    padding: 14px;
    margin-top: 10px;
    background: #2d6cdf;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
}

button:hover {
    background: #1f57c2;
}

/* wynik */
#searchResult,
#importMsg {
    margin-top: 15px;
    font-size: 16px;
    line-height: 1.5;
}

/* statusy */
.success {
    color: #1a7f37;
    font-weight: bold;
}

.error {
    color: #d93025;
    font-weight: bold;
}

/* mobile tweaks */
@media (max-width: 600px) {
    body {
        padding: 10px;
    }

    .container {
        padding: 15px;
        border-radius: 10px;
    }

    h2 {
        font-size: 18px;
    }

    button {
        font-size: 15px;
        padding: 12px;
    }

    input {
        font-size: 15px;
        padding: 12px;
    }
}