.mc-cdkey-box {
    max-width: 480px;
    margin: 20px auto;
    padding: 24px;
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, .06);
    font-size: 15px;
    color: #1f2937;
}

.mc-cdkey-box h3 {
    margin: 0 0 16px;
    font-size: 18px;
    text-align: center;
}

.mc-cdkey-field {
    margin-bottom: 14px;
}

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

.mc-cdkey-hint {
    font-weight: 400;
    font-size: 12.5px;
    color: #8b93a1;
}

/* 在线玩家选择器 */
.mc-cdkey-players {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    min-height: 48px;
    padding: 8px;
    border: 1px dashed #d1d5db;
    border-radius: 8px;
}

.mc-cdkey-players-tip {
    width: 100%;
    padding: 6px 4px;
    text-align: center;
    color: #8b93a1;
    font-size: 13.5px;
    line-height: 1.6;
}

.mc-cdkey-player {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 4px 12px 4px 4px;
    background: #f5f6fa;
    border: 1.5px solid #e5e7eb;
    border-radius: 999px;
    cursor: pointer;
    font-size: 14px;
    color: #1f2937;
    transition: .15s;
}

.mc-cdkey-player img {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: #e5e7eb;
    image-rendering: pixelated;
}

.mc-cdkey-player:hover {
    border-color: #2563eb;
    color: #2563eb;
}

.mc-cdkey-player.on {
    border-color: #2563eb;
    background: rgba(37, 99, 235, .1);
    color: #1d4ed8;
    font-weight: 600;
}

.mc-cdkey-field input {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    box-sizing: border-box;
    font-size: 15px;
    font-family: Consolas, Monaco, monospace;
}

.mc-cdkey-field input:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 2px rgba(37, 99, 235, .15);
}

.mc-cdkey-btn {
    width: 100%;
    padding: 13px;
    background: linear-gradient(92deg, #f97316 0%, #ea580c 100%);
    color: #fff;
    border: 0;
    border-radius: 999px;
    cursor: pointer;
    font-size: 15px;
    font-weight: 600;
    box-shadow: 0 12px 30px rgba(234, 88, 12, .35);
    transition: transform .25s, box-shadow .25s;
}

.mc-cdkey-btn:hover {
    background: linear-gradient(92deg, #fb923c 0%, #dc2626 100%);
    transform: translateY(-2px);
    box-shadow: 0 16px 40px rgba(249, 115, 22, .42);
}

.mc-cdkey-btn:disabled {
    opacity: .6;
    cursor: wait;
}

.mc-cdkey-msg {
    margin-top: 14px;
    padding: 10px 12px;
    border-radius: 6px;
    line-height: 1.5;
}

.mc-cdkey-msg.ok {
    background: #ecfdf5;
    color: #047857;
    border: 1px solid #a7f3d0;
}

.mc-cdkey-msg.err {
    background: #fef2f2;
    color: #b91c1c;
    border: 1px solid #fecaca;
}