* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: #f5f7fb;
    color: #222;
}

input, select, textarea, button {
    font: inherit;
}

input, select, textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #cfd7e6;
    border-radius: 8px;
    background: #fff;
}

input:focus, select:focus, textarea:focus {
    outline: 2px solid #2d6cdf;
    outline-offset: 1px;
}

textarea {
    resize: vertical;
}

.hidden {
    display: none !important;
}

.muted {
    color: #666;
}

.small {
    font-size: 13px;
}

.empty-card {
    text-align: center;
    color: #666;
}