.mpa-auth-wrap {
    max-width: 400px;
    margin: 40px auto;
    padding: 24px;
}

.mpa-tabs {
    display: flex;
    gap: 0;
    margin-bottom: 16px;
    border: 1px solid #ddd;
    border-radius: 4px;
    overflow: hidden;
}

.mpa-tab {
    flex: 1;
    padding: 10px;
    border: none;
    background: #f5f5f5;
    cursor: pointer;
    font-size: 14px;
    color: #555;
    transition: background 0.2s;
}

.mpa-tab.active {
    background: #1D9E75;
    color: #fff;
    font-weight: 500;
}

.mpa-panel {
    display: none;
}

.mpa-panel.active {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.mpa-panel input {
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    width: 100%;
    box-sizing: border-box;
}

.mpa-panel input:focus {
    outline: none;
    border-color: #1D9E75;
}

.mpa-panel > button {
    padding: 11px;
    background: #1D9E75;
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
}

.mpa-panel > button:hover {
    background: #178a65;
}

.mpa-nickname-wrap {
    display: flex;
    gap: 8px;
    align-items: center;
}

.mpa-nickname-wrap input {
    flex: 1;
}

#mpa-check-nickname {
    padding: 10px 12px;
    background: #fff;
    color: #1D9E75;
    border: 1px solid #1D9E75;
    border-radius: 4px;
    font-size: 13px;
    cursor: pointer;
    white-space: nowrap;
    flex-shrink: 0;
}

#mpa-check-nickname:hover {
    background: #f0fdf8;
}

.mpa-social-btns {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 16px;
}

.mpa-btn-kakao,
.mpa-btn-naver,
.mpa-btn-google {
    display: block;
    padding: 11px;
    text-align: center;
    border-radius: 4px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
}

.mpa-btn-kakao {
    background: #FEE500;
    color: #191919;
}

.mpa-btn-naver {
    background: #03C75A;
    color: #fff;
}

.mpa-btn-google {
    background: #fff;
    color: #333;
    border: 1px solid #ddd;
}

.mpa-btn-kakao:hover { background: #f0d800; }
.mpa-btn-naver:hover { background: #02b350; }
.mpa-btn-google:hover { background: #f8f8f8; }

.mpa-divider {
    text-align: center;
    margin: 4px 0 16px;
    color: #bbb;
    font-size: 12px;
    position: relative;
}

.mpa-divider::before,
.mpa-divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 42%;
    height: 1px;
    background: #eee;
}

.mpa-divider::before { left: 0; }
.mpa-divider::after { right: 0; }

.mpa-error-msg {
    padding: 10px 12px;
    background: #fff0f0;
    color: #c00;
    border-radius: 4px;
    font-size: 13px;
    margin-bottom: 12px;
    border: 1px solid #fcc;
}

.mpa-msg {
    font-size: 13px;
    min-height: 18px;
}

.mpa-msg.success { color: #1D9E75; }
.mpa-msg.error { color: #c00; }