.mtr-wrap { max-width: 760px; margin: 0 auto; display: grid; gap: 1rem; }
.mtr-form { display: grid; gap: .6rem; border: 1px solid #ddd; border-radius: 8px; padding: 1rem; }
.mtr-form input, .mtr-form select, .mtr-form textarea { padding: .5rem; }
.mtr-form button { padding: .6rem 1rem; cursor: pointer; }
.mtr-docs { border: 1px solid #ddd; border-radius: 8px; padding: 1rem; }
.mtr-doclist { margin: .25rem 0 0; padding-left: 1.1rem; }
.mtr-msg { padding: .6rem .8rem; border-radius: 6px; }
.mtr-ok { color: #0a0; background: #f0fff0; border: 1px solid #cfe8cf; }
.mtr-error { color: #a00; background: #fff0f0; border: 1px solid #e8cfcf; }