body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f5f7fb;
    color: #1f2937;
}

h1, h2, h3 {
    margin-top: 0;
}

p {
    line-height: 1.6;
}

.btn {
    display: inline-block;
    padding: 12px 18px;
    border-radius: 10px;
    text-decoration: none;
    border: none;
    cursor: pointer;
    background: #0f62fe;
    color: #fff;
}

.btn-outline {
    background: transparent;
    border: 1px solid #0f62fe;
    color: #0f62fe;
}

.field {
    margin-bottom: 16px;
}

.field label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
}

.field input,
.field textarea,
.field select {
    width: 100%;
    padding: 12px;
    border: 1px solid #d1d5db;
    border-radius: 10px;
    box-sizing: border-box;
}

.flash {
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 16px;
}

.flash-success { background: #dcfce7; }
.flash-error { background: #fee2e2; }
.flash-info { background: #dbeafe; }